The document discusses different types of section views used in engineering drawings to reveal internal features of objects. It describes various section techniques including full sections, half sections, offset sections, broken-out sections, revolved sections, and removed sections. It provides examples and conventions for each type of section view, such as using a center line to separate sectioned and unsectioned parts in a half section. The document also covers topics like cutting plane lines, section lining, and bearing types.
This document provides a summary of key geometric elements and methods for geometric construction, including:
- Points, lines, angles, and their properties
- Methods for constructing triangles, circles, ellipses, parabolas, and determining foci of conic sections
- Techniques like parallelism, perpendicularity, bisection, and transferring geometric shapes and figures
The document covers essential geometric concepts and various construction techniques in technical drawing.
This document discusses the development of surfaces for various geometric shapes used in engineering. It provides instruction on how to construct parallel line and radial line developments of prisms, cylinders, pyramids and cones. It also covers how to construct developments of transition pieces using triangulation. The document contains 35 figures illustrating examples of developments for shapes including prisms, cylinders, pyramids, cones and various transition pieces.
The document discusses the development of surfaces, which is the process of laying out the entire surface of a 3D object onto a 2D plane. It describes various methods for developing different types of surfaces and solids, including parallel line development for prisms and cylinders, radial line development for cones and pyramids, and triangulation for more complex shapes. It then provides examples of developing specific objects like prisms, cylinders, pyramids, and cones.
The document classifies and describes various 3D solids. It divides solids into two groups - Group A solids have bases and tops of the same shape, while Group B solids have a pointed top called an apex. It then lists and describes specific solids in each group such as prisms, pyramids, cylinders and cones. The document also provides details on dimensional parameters, sections of solids, and steps to solve problems involving the projection of solids.
The document discusses auxiliary views in technical drawings. It begins by defining auxiliary views as orthographic projections of angled surfaces that appear foreshortened in standard multi-view drawings. It then explains that auxiliary views are used to show the true size and shape of angled surfaces. The document provides steps for creating auxiliary views, including determining the dimension to show, drawing construction lines, and projecting points perpendicular from the reference view. It distinguishes between primary, secondary, partial, and half auxiliary views.
Sections are used to show interior details of objects clearly. A cutting plane line indicates where the object was cut to create the section view, and cross hatching shows cut surfaces. There are different types of section views like full, offset, half, broken-out, revolved, and removed sections. Revolved sections rotate a cross section to show features that vary, while removed sections separate the section view from the main view when space is limited.
This document provides a summary of key geometric elements and methods for geometric construction, including:
- Points, lines, angles, and their properties
- Methods for constructing triangles, circles, ellipses, parabolas, and determining foci of conic sections
- Techniques like parallelism, perpendicularity, bisection, and transferring geometric shapes and figures
The document covers essential geometric concepts and various construction techniques in technical drawing.
This document discusses the development of surfaces for various geometric shapes used in engineering. It provides instruction on how to construct parallel line and radial line developments of prisms, cylinders, pyramids and cones. It also covers how to construct developments of transition pieces using triangulation. The document contains 35 figures illustrating examples of developments for shapes including prisms, cylinders, pyramids, cones and various transition pieces.
The document discusses the development of surfaces, which is the process of laying out the entire surface of a 3D object onto a 2D plane. It describes various methods for developing different types of surfaces and solids, including parallel line development for prisms and cylinders, radial line development for cones and pyramids, and triangulation for more complex shapes. It then provides examples of developing specific objects like prisms, cylinders, pyramids, and cones.
The document classifies and describes various 3D solids. It divides solids into two groups - Group A solids have bases and tops of the same shape, while Group B solids have a pointed top called an apex. It then lists and describes specific solids in each group such as prisms, pyramids, cylinders and cones. The document also provides details on dimensional parameters, sections of solids, and steps to solve problems involving the projection of solids.
The document discusses auxiliary views in technical drawings. It begins by defining auxiliary views as orthographic projections of angled surfaces that appear foreshortened in standard multi-view drawings. It then explains that auxiliary views are used to show the true size and shape of angled surfaces. The document provides steps for creating auxiliary views, including determining the dimension to show, drawing construction lines, and projecting points perpendicular from the reference view. It distinguishes between primary, secondary, partial, and half auxiliary views.
Sections are used to show interior details of objects clearly. A cutting plane line indicates where the object was cut to create the section view, and cross hatching shows cut surfaces. There are different types of section views like full, offset, half, broken-out, revolved, and removed sections. Revolved sections rotate a cross section to show features that vary, while removed sections separate the section view from the main view when space is limited.
The document provides an overview of topics related to engineering graphics and orthographic projections. It contains 14 sections that cover various concepts such as scales, engineering curves, loci of points, orthographic projections, projections of points and lines, projections of planes and solids, sections and developments, intersections of surfaces, and isometric projections. For each section, it lists the subtopics that will be covered along with brief explanations and examples. The document serves as a table of contents or syllabus for an engineering graphics course, outlining the key concepts and methods that will be taught.
This document provides information about isometric drawings and projections. It begins by explaining that 3D drawings can be drawn in various ways, including isometrically where the three axes are equally inclined at 120 degrees. It then discusses the construction of isometric scales and various techniques for drawing isometric views of plane figures, solids, and assemblies of objects. Examples are provided to illustrate how to draw isometric views when given orthographic projections of an object. The purpose of isometric drawings is to show the overall size, shape, and appearance of an object prior to production.
introduction of engineering graphics ,projection of points,lines,planes,solids,section of solids,development of surfaces,isometric projection,perspective projection
This lecture contains the detail of isometric projections of an object. This will improve your skills to draw isometric views which is the major part of engineering drawings.
The document discusses sectional views in engineering drawings. Sectional views reveal the internal features of an object by imagining a cutting plane passes through it. There are different types of section views such as full section, half section, and broken-out section views. Section lines are used to indicate the cut surfaces and come in standard patterns for different materials. Dimensioning rules are similar to normal views but use one-sided dimension lines for half sections. Aligned sections rotate features about an axis so internal geometry is clearer.
1. The document discusses sectioning of solids by cutting planes to understand internal details. It defines types of cutting planes like auxiliary inclined plane (AIP) and auxiliary vertical plane (AVP).
2. An AIP appears as a straight line in the front view and always cuts the front view of a solid. An AVP appears as a straight line in the top view and always cuts the top view of a solid.
3. After launching a section plane in the front or top view, the part towards the observer is assumed to be removed, with the smaller part removed if possible.
Unit 8-cams, Kinematics of machines of VTU Syllabus prepared by Hareesha N Gowda, Asst. Prof, Dayananda Sagar College of Engg, Blore. Please write to hareeshang@gmail.com for suggestions and criticisms.
This document discusses the development of surfaces, which involves unfolding solid objects onto a flat plane. It describes several methods for developing different types of surfaces and solids, including parallel line development for prisms and cylinders, radial line development for cones and pyramids, and triangulation and approximate methods. It provides examples of developing cubes, prisms, pyramids, cones, and truncated solids. Developments allow sheet metal or other surfaces to be cut and folded into desired 3D shapes.
The document discusses different types of section views in technical drawings. It describes the basic components of a section view including the cutting plane line and section lining. Six main kinds of section views are covered: full section, offset section, half section, broken-out section, revolved section, and removed section. Guidelines are provided for the proper use of section lining and placement of different section views. Dimensioning of section views follows standard rules, with dimensions only using one arrowhead when in a half-section view.
The document provides information on multi-view drawings and orthographic projection. It discusses how multi-view drawings use orthographic projection to show the front, rear, top, bottom, right and left views of an object arranged in a standard order. First or third angle projection can be used, where the layout of views differs depending on the projection system used. Guidelines are provided for selecting views and how objects may require one, two, or three views depending on their complexity. The document also covers topics such as projecting planer and non-planer surfaces, intersections, center lines, and hidden line practices.
This chapter discusses different types of section views used to show the internal structure of objects. It covers basic section types like full sections, half sections, and offset sections. More advanced topics include aligned sections to show angled features, and conventions for revolved sections. The chapter concludes with exercises to practice creating different section views from multiview drawings.
This document provides an overview of engineering drawing topics including:
- Drawing instruments such as pencils, rulers, set squares, protractors, and compasses.
- Types of lines, lettering, dimensioning, and scales used in drawings.
- Plane geometry, conic sections, projections, sections of solids, and development of surfaces.
- Standards for drawings including title blocks with information like scales, dates, and part numbers.
- Methods of dimensioning including types of dimensions, arrangement of dimensions, and principles.
Section of solids, Computer Aided Machine Drawing (CAMD) of VTU Syllabus prepared by Hareesha N Gowda, Asst. Prof, Dayananda Sagar College of Engg, Blore. Please write to hareeshang@gmail.com for suggestions and criticisms.
This document discusses different dimensioning systems used in engineering drawings including aligned, unidirectional, chain, parallel, and combined systems. It describes the key aspects of each system such as placement of dimensions, leaders, arrowheads, and extension lines. Dimensioning techniques for various geometric features like holes, arcs, and circles are also covered along with examples of front and side views showing the aligned and unidirectional systems.
6- orthographic of Graphic and geometric graphics engineering.Abo Talak Al-wayli
This document discusses orthographic reading, which is the process of recognizing an object's shape by interpreting orthographic views. It provides definitions and examples of analyzing objects by decomposing them into solid geometric primitives or reading surfaces based on given orthographic views. The key steps involve choosing a viewing direction, identifying primitives/surfaces in each view, and combining components based on their positions and relationships across views.
The document discusses view selection and orthographic projection in technical drawing. It provides guidelines for selecting views, including orienting the object and choosing the front view first before selecting adjacent views. It also covers primary auxiliary views, projection systems, basic dimensioning, and additional examples of view selection for different types of objects. The overall goal is to represent an object's true shape and size using the minimum number of views.
The document discusses the concept of curves of intersection that occur when two solids penetrate or intersect each other. It provides the following key points:
- When two solids intersect, their surfaces meet at a common curve called the curve of intersection. This curve remains common to both solids.
- Curves of intersection show the exact and maximum surface contact between two intersecting solids. They are important when objects need to be joined together with strong, leak-proof joints.
- Several examples of actual intersecting objects from industry are shown, with their curves of intersection indicated.
- Step-by-step solutions are provided for generating curves of intersection between various geometric solids, including cylinders, pr
1. The document discusses the intersection of surfaces between different solids, providing examples of cylinders intersecting cylinders, prisms intersecting cylinders, cones intersecting cylinders, and other combinations.
2. It presents the common construction method for drawing the intersections, which involves drawing the three views of one solid standing on the horizontal plane and the other penetrating horizontally. Points of intersection are marked and projections drawn to show the curve of intersection.
3. Eight example problems are given showing the specific solids and their dimensions, and asking the reader to draw the projections and curve of intersection. Diagrams illustrate the example problems.
This document discusses sections and developments of solids. It begins by defining sectioning a solid as cutting it with an imaginary cutting plane to understand its internal details. Two common section planes are described. Developments of solids are defined as unfolding the hollow object to show its unfolded sheet shape. Engineering applications of developments in sheet metal industries are provided. The document then discusses important terms in sectioning and provides illustrations. It explains developments of different solids and includes nine problems demonstrating sections and developments of prisms, cones, and frustums with step-by-step solutions.
The document discusses isometric projection, which is a method for visually representing three-dimensional objects in two dimensions in technical drawings. It defines key terms like isometric axes and lines. The steps for constructing an isometric projection are outlined, including defining the axes and adding details to blocks. Various types of objects that can be drawn using isometric projection are described, such as those with normal, oblique, or curved surfaces. Circles are approximated as ellipses, while curved lines use a series of offset points.
The document discusses rivets and riveted joints. It defines a rivet as a permanent mechanical fastener used to join two plates together through a riveting process where mechanical force is applied to deform the rivet tail and hold the plates securely. The document describes different types of riveted joints including lap joints with single, double or zig-zag rows of rivets and butt joints that join plate ends together using one or two cover plates.
The document discusses threads and fasteners, which are topics covered in an Engineering Drawing and Graphics course. It defines threads as helical structures that convert rotational to linear movement, and describes common fasteners like bolts, nuts, screws and keys. The document provides details on thread features, types of threads and how to draw threads and threaded fasteners using straight lines. It also outlines the course syllabus which includes orthographic projections, sections, surface developments, isometric drawings and detail drawings of machine parts.
The document provides an overview of topics related to engineering graphics and orthographic projections. It contains 14 sections that cover various concepts such as scales, engineering curves, loci of points, orthographic projections, projections of points and lines, projections of planes and solids, sections and developments, intersections of surfaces, and isometric projections. For each section, it lists the subtopics that will be covered along with brief explanations and examples. The document serves as a table of contents or syllabus for an engineering graphics course, outlining the key concepts and methods that will be taught.
This document provides information about isometric drawings and projections. It begins by explaining that 3D drawings can be drawn in various ways, including isometrically where the three axes are equally inclined at 120 degrees. It then discusses the construction of isometric scales and various techniques for drawing isometric views of plane figures, solids, and assemblies of objects. Examples are provided to illustrate how to draw isometric views when given orthographic projections of an object. The purpose of isometric drawings is to show the overall size, shape, and appearance of an object prior to production.
introduction of engineering graphics ,projection of points,lines,planes,solids,section of solids,development of surfaces,isometric projection,perspective projection
This lecture contains the detail of isometric projections of an object. This will improve your skills to draw isometric views which is the major part of engineering drawings.
The document discusses sectional views in engineering drawings. Sectional views reveal the internal features of an object by imagining a cutting plane passes through it. There are different types of section views such as full section, half section, and broken-out section views. Section lines are used to indicate the cut surfaces and come in standard patterns for different materials. Dimensioning rules are similar to normal views but use one-sided dimension lines for half sections. Aligned sections rotate features about an axis so internal geometry is clearer.
1. The document discusses sectioning of solids by cutting planes to understand internal details. It defines types of cutting planes like auxiliary inclined plane (AIP) and auxiliary vertical plane (AVP).
2. An AIP appears as a straight line in the front view and always cuts the front view of a solid. An AVP appears as a straight line in the top view and always cuts the top view of a solid.
3. After launching a section plane in the front or top view, the part towards the observer is assumed to be removed, with the smaller part removed if possible.
Unit 8-cams, Kinematics of machines of VTU Syllabus prepared by Hareesha N Gowda, Asst. Prof, Dayananda Sagar College of Engg, Blore. Please write to hareeshang@gmail.com for suggestions and criticisms.
This document discusses the development of surfaces, which involves unfolding solid objects onto a flat plane. It describes several methods for developing different types of surfaces and solids, including parallel line development for prisms and cylinders, radial line development for cones and pyramids, and triangulation and approximate methods. It provides examples of developing cubes, prisms, pyramids, cones, and truncated solids. Developments allow sheet metal or other surfaces to be cut and folded into desired 3D shapes.
The document discusses different types of section views in technical drawings. It describes the basic components of a section view including the cutting plane line and section lining. Six main kinds of section views are covered: full section, offset section, half section, broken-out section, revolved section, and removed section. Guidelines are provided for the proper use of section lining and placement of different section views. Dimensioning of section views follows standard rules, with dimensions only using one arrowhead when in a half-section view.
The document provides information on multi-view drawings and orthographic projection. It discusses how multi-view drawings use orthographic projection to show the front, rear, top, bottom, right and left views of an object arranged in a standard order. First or third angle projection can be used, where the layout of views differs depending on the projection system used. Guidelines are provided for selecting views and how objects may require one, two, or three views depending on their complexity. The document also covers topics such as projecting planer and non-planer surfaces, intersections, center lines, and hidden line practices.
This chapter discusses different types of section views used to show the internal structure of objects. It covers basic section types like full sections, half sections, and offset sections. More advanced topics include aligned sections to show angled features, and conventions for revolved sections. The chapter concludes with exercises to practice creating different section views from multiview drawings.
This document provides an overview of engineering drawing topics including:
- Drawing instruments such as pencils, rulers, set squares, protractors, and compasses.
- Types of lines, lettering, dimensioning, and scales used in drawings.
- Plane geometry, conic sections, projections, sections of solids, and development of surfaces.
- Standards for drawings including title blocks with information like scales, dates, and part numbers.
- Methods of dimensioning including types of dimensions, arrangement of dimensions, and principles.
Section of solids, Computer Aided Machine Drawing (CAMD) of VTU Syllabus prepared by Hareesha N Gowda, Asst. Prof, Dayananda Sagar College of Engg, Blore. Please write to hareeshang@gmail.com for suggestions and criticisms.
This document discusses different dimensioning systems used in engineering drawings including aligned, unidirectional, chain, parallel, and combined systems. It describes the key aspects of each system such as placement of dimensions, leaders, arrowheads, and extension lines. Dimensioning techniques for various geometric features like holes, arcs, and circles are also covered along with examples of front and side views showing the aligned and unidirectional systems.
6- orthographic of Graphic and geometric graphics engineering.Abo Talak Al-wayli
This document discusses orthographic reading, which is the process of recognizing an object's shape by interpreting orthographic views. It provides definitions and examples of analyzing objects by decomposing them into solid geometric primitives or reading surfaces based on given orthographic views. The key steps involve choosing a viewing direction, identifying primitives/surfaces in each view, and combining components based on their positions and relationships across views.
The document discusses view selection and orthographic projection in technical drawing. It provides guidelines for selecting views, including orienting the object and choosing the front view first before selecting adjacent views. It also covers primary auxiliary views, projection systems, basic dimensioning, and additional examples of view selection for different types of objects. The overall goal is to represent an object's true shape and size using the minimum number of views.
The document discusses the concept of curves of intersection that occur when two solids penetrate or intersect each other. It provides the following key points:
- When two solids intersect, their surfaces meet at a common curve called the curve of intersection. This curve remains common to both solids.
- Curves of intersection show the exact and maximum surface contact between two intersecting solids. They are important when objects need to be joined together with strong, leak-proof joints.
- Several examples of actual intersecting objects from industry are shown, with their curves of intersection indicated.
- Step-by-step solutions are provided for generating curves of intersection between various geometric solids, including cylinders, pr
1. The document discusses the intersection of surfaces between different solids, providing examples of cylinders intersecting cylinders, prisms intersecting cylinders, cones intersecting cylinders, and other combinations.
2. It presents the common construction method for drawing the intersections, which involves drawing the three views of one solid standing on the horizontal plane and the other penetrating horizontally. Points of intersection are marked and projections drawn to show the curve of intersection.
3. Eight example problems are given showing the specific solids and their dimensions, and asking the reader to draw the projections and curve of intersection. Diagrams illustrate the example problems.
This document discusses sections and developments of solids. It begins by defining sectioning a solid as cutting it with an imaginary cutting plane to understand its internal details. Two common section planes are described. Developments of solids are defined as unfolding the hollow object to show its unfolded sheet shape. Engineering applications of developments in sheet metal industries are provided. The document then discusses important terms in sectioning and provides illustrations. It explains developments of different solids and includes nine problems demonstrating sections and developments of prisms, cones, and frustums with step-by-step solutions.
The document discusses isometric projection, which is a method for visually representing three-dimensional objects in two dimensions in technical drawings. It defines key terms like isometric axes and lines. The steps for constructing an isometric projection are outlined, including defining the axes and adding details to blocks. Various types of objects that can be drawn using isometric projection are described, such as those with normal, oblique, or curved surfaces. Circles are approximated as ellipses, while curved lines use a series of offset points.
The document discusses rivets and riveted joints. It defines a rivet as a permanent mechanical fastener used to join two plates together through a riveting process where mechanical force is applied to deform the rivet tail and hold the plates securely. The document describes different types of riveted joints including lap joints with single, double or zig-zag rows of rivets and butt joints that join plate ends together using one or two cover plates.
The document discusses threads and fasteners, which are topics covered in an Engineering Drawing and Graphics course. It defines threads as helical structures that convert rotational to linear movement, and describes common fasteners like bolts, nuts, screws and keys. The document provides details on thread features, types of threads and how to draw threads and threaded fasteners using straight lines. It also outlines the course syllabus which includes orthographic projections, sections, surface developments, isometric drawings and detail drawings of machine parts.
The document discusses engineering drawing standards and conventions. It describes common international standards for dimensioning drawings, such as ANSI in the US and ISO for metric drawings. It also covers sheet layout standards, with ASME recommending standards for US customary drawings and ISO for metric sheets. Margins on metric sheets are more uniform than on US customary sheets. The document is intended for an Engineering Drawing and Graphics course for first year mechanical engineering students.
IRJET- Transient Dynamic Analysis and Optimization of a Piston in an Automobi...IRJET Journal
This document summarizes a study that performed transient dynamic analysis and optimization of a piston in an automobile engine. The study used finite element analysis software to create a 3D model of the piston, apply appropriate loads and boundary conditions, and analyze stresses, natural frequencies, mode shapes, and transient dynamic response. The analysis found the maximum stresses on the piston to be 280 MPa under static loading. Modal analysis determined the first three natural frequencies. Transient dynamic analysis calculated a maximum dynamic displacement of 1.66 mm with a dynamic amplification factor of 1.3 under loading over 4.9 milliseconds. Finally, optimization was performed to reduce piston weight and size without affecting its characteristics or increasing stresses beyond safe limits.
A Study on Damage Tolerance Evaluation of the Vertical Tail with the Z stiffe...IRJET Journal
This document discusses damage tolerance evaluation of the vertical tail with a stiffened panel on a transport aircraft. It begins with an introduction to aircraft structures and importance of vertical tails. Then it describes the stiffened panel that will be analyzed which makes up part of the vertical tail. Finite element analysis is performed to identify stress concentrations on the panel. A crack is initiated at the location of maximum stress and crack growth analysis is performed to evaluate the panel's damage tolerance capabilities. Stress intensity factors at the crack tip are calculated using the modified virtual crack closure integral method and compared to fracture toughness to assess crack growth.
IRJET- Particle Swarm Intelligence based Dynamics Economic Dispatch with Dail...IRJET Journal
This document presents a structural and modal analysis of the wing of a subsonic aircraft using ANSYS Workbench. The study analyzes the wing structure made of two materials, aluminum alloy and titanium alloy, under a pressure load of 500 Pa to determine which is best suited. A 3D model of the wing is created based on the NACA 4412 airfoil dimensions and meshed. Boundary conditions fixing one end and applying pressure are applied. For each material, the total deformation, equivalent stress, maximum principle stress, and equivalent strain are determined from the static structural analysis and compared to select the best material for withstanding the loads in wing design.
The document discusses Computer Aided Machining (CAM) and CNC milling. It provides information on:
- The MAZAKTROL MATRIX NEXUS 410A-II Vertical Machining Centre machine, including its dimensions and specifications.
- The machine axes and coordinates system, including the three mutually perpendicular axes of X, Y, and Z.
- The basics of milling, including that it involves a rotating cutting tool that removes metal in programmed movements.
- The relationship between the machine coordinates system (MCS) and workpiece coordinates system (WCS), which defines the position of the workpiece for machining.
- Various tutorials and examples that explain concepts like cutter compensation,
Iaetsd study and experimental analysis of linear and non linear behaviour ofIaetsd Iaetsd
The document describes an experimental study on the linear and non-linear behavior of pipe bends with ovality. Various pipe bend schedules including SCH 40 long radius, SCH 40 short radius, and SCH 80 short radius bends were tested under in-plane and out-of-plane bending moments both with and without internal pressure. Displacement and percentage change in ovality were measured in the intrados, crown, and extrados regions. The displacement in the intrados and extrados increased linearly with load. Allowable limit loads and ovality are suggested to avoid pipe rejection due to insufficient wall thickness. Mathematical and software results were compared to experimental results to optimize output.
Standard convention using SP – 46 (1988)-Materials C.I., M.S, Brass, Bronze, Aluminum, wood, Glass, Concrete and Rubber-Long and short break in pipe, rod and shaft.- Various sections- Half, removed,-Standard convention of Knurling, splined shafts, and chain wheels-Springs with square and flat ends, Gears, sprocket wheel-Countersunk &counter bore
UNTII: THREADED FASTENERS 12Hrs
Screw thread terminology-Conventional representation of External threads and internal threads-Draw the top and front view of hexagonal headed bolt with nut across flat and corner-Draw -square headed bolt across corner and flat-cylindrical headed bolt-Eye bolt-Locking devices-Draw the views of for standard dimensions-lock nut-castle nut-Studs-Tap bolt-Machine screws-washers-Keys-sunk key-Gib head key.(For a given standard diameter with proportions)
UNITIII: RIVETED JOINTS 12Hrs
Rivets-types-Types of riveted joints-Draw the sectional front view and top view of-single riveted lap joint, double riveted lap joint with chain riveting and zigzag riveting. Draw the sectional front view and top view of-single riveted butt joint with single and double cover plate - double riveted butt joint with chain riveting and zigzag riveting with double cover plate.
UNIT IV:LIMITS, FITS AND TOLERANCES 06Hrs
Concept of limits, fits & allowances--Introduction to ISO system of tolerance,-dimensional tolerances-Draw the working drawing plain step turned shaft of varying diameter, indicate the dimensional tolerances
UNIT V: PRODUCTION DRAWINGS 06Hr
Surface roughness-Indication of machining-symbol showing direction of lay, roughness grades, machining allowances, Machining symbols used in industry
(Suggested Practice:Disassembling of any Physical model having not less than five parts, sketch the minimum views required for each component, measure all the required dimensions of each component.)
UNIT VI: DETAILS TO ASSEMBLY 38Hrs
Introduction to the unit assembly drawing, steps involved in preparing assembly drawing from Details-Sequence in assembly-Preparation of details and Assembly of parts with Sectional views of- Socket and Spigot joint Cotter Joint-- Knuckle joint- Protected Flanged coupling- Universal coupling-Plummer Block and Screw Jack (Front, side and top views)
This document contains machine drawing questions and answers about topics like first angle projections, material conventions, applications of universal couplings, cutting plane designation, and machine elements that should not be hatched. It also includes instructions to assemble the parts of a screw jack, and draw half sectional and side views with complete dimensions, as well as making a parts list and bill of materials.
Two Dimensional Crack Analysis of AL7075-7651 Under Various Tensile LoadIRJET Journal
This document analyzes two-dimensional crack propagation in an AL7075-7651 alloy under various tensile loads. It summarizes the modeling and analysis of a through crack in a plate with two holes. The stress intensity factor and beta function are calculated for different crack lengths and locations emanating from one of the holes. The stress intensity factor increases non-linearly with crack length and varies based on crack position. Understanding how the stress intensity factor changes with crack parameters can provide insights into failure behavior under tensile loading conditions.
This document provides an overview of aircraft structural components and maintenance procedures. It describes the materials used in aircraft construction such as aluminum alloys, composite materials, and protection methods. Specific details are given for the Airbus A318 structure, including differences from other Airbus single-aisle aircraft models. Zoning and numbering of aircraft structural sections are also outlined. However, the document states it is for training purposes only and not to be used as a reference.
Here are the pros and cons of the two approaches:
Student A (mill steps first):
Pros: No risk of cutter hitting the holes during milling operation.
Cons: Drilling operation after milling may not be accurate due to possible deformation from milling. Chips from milling can enter holes and cause damage.
Student B (drill holes first):
Pros: Drilling operation will be more accurate as stock is intact. No risk of cutter or chips entering holes.
Cons: During milling, there is a risk of cutter hitting the holes if not planned properly. More careful machining is required.
Overall, Student B's approach of drilling holes first followed by
This document summarizes a study that uses finite element analysis and Monte Carlo simulation to analyze the bending stress of hollow circular composite beams under random loading conditions. The study varies design parameters like beam length, radius, ply angles, elastic modulus, and force randomly within defined ranges. It analyzes the relationship between maximum bending stress and each parameter. Random optimization is then performed to determine a set of parameters that minimize bending stress. The best optimized set is proposed to reduce bending stress under different loading conditions.
PROBABILISTIC DESIGN AND RANDOM OPTIMIZATION OF HOLLOW CIRCULAR COMPOSITE STR...IAEME Publication
This study represents simulation of hollow circular composite beam by using Monte Carlo method i.e. direct sampling. A three dimensional transient analysis of large displacement type has been carried out. Finite element analysis of hollow circular composite structure has been carried out and uncertainty in bending stress is analyzed. More over optimization of selected design variables has been carried out by using random optimization method.
This document provides an overview of the course content for Manufacturing Technology - II. It includes 5 units that cover topics such as the theory of metal cutting, turning machines, shaping and milling machines, abrasive processes and broaching, and CNC machining. The course aims to help students understand standard machine tools and basic CNC programming concepts. It describes key aspects of metal cutting like chip formation, cutting forces, tool geometry, and machining processes for turning, milling, grinding and broaching. CNC machining fundamentals and programming are also summarized. The course objectives are to provide knowledge of various manufacturing processes and introduce CNC programming fundamentals.
The document discusses various machine drawing conventions including scale, which is the ratio of dimensions on a drawing to the actual object; sectioning, where cutting planes are used to show internal details and designated with capital letters; and different line types used for graphical representation in technical drawings. Specific machine elements like ribs and shafts are not cut or hatched in longitudinal sections.
The document studies the fatigue crack growth behavior of an aluminum alloy specimen with a notch. Finite element analysis is used to simulate a fatigue crack growth test on an arc-shaped aluminum specimen with a notch. The simulation results agree well with experimental fatigue crack growth test results. Both show that the crack propagation depends on the stress intensity range, with the crack growing faster at higher stress intensity values approaching the material's critical stress intensity value.
The document discusses lettering techniques for technical drawings. It describes the essential features of lettering as being legibility, uniformity, and suitability for reproduction processes. Letters should be clearly distinguishable from each other to avoid confusion. Guidelines are provided for letter dimensions and types, including that vertical capital letters are preferred for technical work. Basic drawing strokes and their directions in lettering are identified. The document also briefly discusses drawing scales for representing actual object sizes on paper.
The document discusses different types of lines used in graphical representations, including their thicknesses and purposes. It provides details on the order of priority when lines coincide and recommendations for invisible line technique and axis representation. Leader lines are described as referring to features, with specifications on how they should terminate depending on where they end. Examples of machine drawings are also listed.
A normal surface is parallel to the plane of projection and appears at true size. An inclined surface is perpendicular to one plane of projection but inclined to adjacent planes. An oblique surface is tipped to all principal planes of projection and does not appear at true size in any standard view.
The document contains lecture materials from a Mechanical Engineering course on engineering drawing and graphics. It covers topics such as orthographic projections, sectioning, surface development, isometric projections, sketching, and computer aided drawing. Diagrams and examples are provided to demonstrate principles of technical drawing, including multi-view drawings of objects, dimensioning, and developing working drawings of machine parts.
The document contains drawings and problems from an Engineering Drawing and Graphics course. It includes drawings of ellipses using different methods, helices on cylinders and cones, involutes, parabolas, spirals, and a handwheel. It also provides the syllabus for the course which covers topics like orthographic projections, sections, surface development, isometric projections, freehand sketching, and computer aided drafting.
The document discusses various topics in engineering drawing and graphics. It covers line types, order of priority for coinciding lines, termination of leader lines, lettering techniques including types and dimensions of letters, drawing scales including reduced and enlarged scales, and an overview of the syllabus which includes topics like orthographic projections, sections, surface development, isometric projections, sketching, and computer aided drawing.
This document outlines the tools and materials needed for an engineering drawing and graphics course at Mehran University of Engineering and Technology. It describes 12 essential items for drafting: pencils in various grades, a T-square, set squares, protractor, scale, instrument box containing compasses and dividers, French curves, drawing sheets, drawing board, board clips/tape, erasers/eraser shield, and templates. Pencils, T-squares, set squares, protractors and scales are introduced as the basic equipment for creating accurate technical drawings. Compasses, dividers and French curves are included in the instrument box for drawing circles, angles and curves. The drawing surface, clips and eras
Software Engineering and Project Management - Introduction, Modeling Concepts...Prakhyath Rai
Introduction, Modeling Concepts and Class Modeling: What is Object orientation? What is OO development? OO Themes; Evidence for usefulness of OO development; OO modeling history. Modeling
as Design technique: Modeling, abstraction, The Three models. Class Modeling: Object and Class Concept, Link and associations concepts, Generalization and Inheritance, A sample class model, Navigation of class models, and UML diagrams
Building the Analysis Models: Requirement Analysis, Analysis Model Approaches, Data modeling Concepts, Object Oriented Analysis, Scenario-Based Modeling, Flow-Oriented Modeling, class Based Modeling, Creating a Behavioral Model.
Null Bangalore | Pentesters Approach to AWS IAMDivyanshu
#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
Discover the latest insights on Data Driven Maintenance with our comprehensive webinar presentation. Learn about traditional maintenance challenges, the right approach to utilizing data, and the benefits of adopting a Data Driven Maintenance strategy. Explore real-world examples, industry best practices, and innovative solutions like FMECA and the D3M model. This presentation, led by expert Jules Oudmans, is essential for asset owners looking to optimize their maintenance processes and leverage digital technologies for improved efficiency and performance. Download now to stay ahead in the evolving maintenance landscape.
Supermarket Management System Project Report.pdfKamal Acharya
Supermarket management is a stand-alone J2EE using Eclipse Juno program.
This project contains all the necessary required information about maintaining
the supermarket billing system.
The core idea of this project to minimize the paper work and centralize the
data. Here all the communication is taken in secure manner. That is, in this
application the information will be stored in client itself. For further security the
data base is stored in the back-end oracle and so no intruders can access it.
Open Channel Flow: fluid flow with a free surfaceIndrajeet sahu
Open Channel Flow: This topic focuses on fluid flow with a free surface, such as in rivers, canals, and drainage ditches. Key concepts include the classification of flow types (steady vs. unsteady, uniform vs. non-uniform), hydraulic radius, flow resistance, Manning's equation, critical flow conditions, and energy and momentum principles. It also covers flow measurement techniques, gradually varied flow analysis, and the design of open channels. Understanding these principles is vital for effective water resource management and engineering applications.
Software Engineering and Project Management - Software Testing + Agile Method...Prakhyath Rai
Software Testing: A Strategic Approach to Software Testing, Strategic Issues, Test Strategies for Conventional Software, Test Strategies for Object -Oriented Software, Validation Testing, System Testing, The Art of Debugging.
Agile Methodology: Before Agile – Waterfall, Agile Development.
Height and depth gauge linear metrology.pdfq30122000
Height gauges may also be used to measure the height of an object by using the underside of the scriber as the datum. The datum may be permanently fixed or the height gauge may have provision to adjust the scale, this is done by sliding the scale vertically along the body of the height gauge by turning a fine feed screw at the top of the gauge; then with the scriber set to the same level as the base, the scale can be matched to it. This adjustment allows different scribers or probes to be used, as well as adjusting for any errors in a damaged or resharpened probe.
Mechatronics is a multidisciplinary field that refers to the skill sets needed in the contemporary, advanced automated manufacturing industry. At the intersection of mechanics, electronics, and computing, mechatronics specialists create simpler, smarter systems. Mechatronics is an essential foundation for the expected growth in automation and manufacturing.
Mechatronics deals with robotics, control systems, and electro-mechanical systems.
Optimizing Gradle Builds - Gradle DPE Tour Berlin 2024Sinan KOZAK
Sinan from the Delivery Hero mobile infrastructure engineering team shares a deep dive into performance acceleration with Gradle build cache optimizations. Sinan shares their journey into solving complex build-cache problems that affect Gradle builds. By understanding the challenges and solutions found in our journey, we aim to demonstrate the possibilities for faster builds. The case study reveals how overlapping outputs and cache misconfigurations led to significant increases in build times, especially as the project scaled up with numerous modules using Paparazzi tests. The journey from diagnosing to defeating cache issues offers invaluable lessons on maintaining cache integrity without sacrificing functionality.
Home security is of paramount importance in today's world, where we rely more on technology, home
security is crucial. Using technology to make homes safer and easier to control from anywhere is
important. Home security is important for the occupant’s safety. In this paper, we came up with a low cost,
AI based model home security system. The system has a user-friendly interface, allowing users to start
model training and face detection with simple keyboard commands. Our goal is to introduce an innovative
home security system using facial recognition technology. Unlike traditional systems, this system trains
and saves images of friends and family members. The system scans this folder to recognize familiar faces
and provides real-time monitoring. If an unfamiliar face is detected, it promptly sends an email alert,
ensuring a proactive response to potential security threats.
1. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
ENGINEERING DRAWING
&
GRAPHICS
2. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Given
Finish
No
Internal features
make a view
difficult to read
or dimension?
Orthographic
projection
principle
Yes
Section
technique
Orthographic
projection
principle
3. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Purpose
s
Clarify an internal feature.
Facilitate dimensioning.
Example
Regular
view
Section
view
4. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Cutting plane
Cutting plane is an imaginary plane that cuts through the object.
Location and direction of a cutting plane depend on a hidden feature that is
needed to be revealed.
A section view is obtained by viewing the object after removed the cover up
part in the direction normal to the cutting plane.
Cutting
plane
Example
Section view
5. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Cutting plane line
In an orthographic view, a cutting plane is presented as a “cutting plane line, CPL” and
is drawn in either of an adjacent view of the section view.
Given Direction 1 Direction 2 Direction 3
Section
view
CPL
CPL
Section
view
Section
view
6. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Viewing
direction
Cutting plane line : Line styles
The cutting plane line is presented by a chain line here.
Begin and end the line with a short visible line.
When the line changes its direction, draw a short visible line at that corner.
Draw an arrow at about the mid-length of a short visible line, the arrow
head is pointed toward to this line in a viewing direction.
Examples
1
2
3
7. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Do you find something wrong in the following cutting plane lines?
3
1
Yes
No Wrong!
(The arrow on the right side
should be pointed downward)
Yes
No Wrong!
(The arrow head have to
touch the short visible line)
Yes
No Wrong!
(Because the cutting plane line used
is not a chain line )
2
8. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Change the following incorrect cutting plane line style to that previously
suggested.
11 22
9. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Section lining : Purpose
Section lines or cross-hatch lines are added to a section view to
indicate surface that are cut by a cutting plane.
Examples
Section view
without section lines Section view
with section lines
Visible surfaces and edges behind the cutting plane are drawn in a section view.
10. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
The section lines are different for each type of material.
Cast iron,
Malleable iron Steel
Concrete
Sand Wood
Practically, the cast iron symbol is used most often for any
materials.
Section lining : Symbol
Examples
11. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
The spacing between lines may vary from 1.5 mm for small
sectioned areas to 3 mm for large sectioned areas.
Poor practices
Section lining :
Too dense Too coarse
Uneven spacing Uneven orientation
Examples
12. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
It should not run parallel or
perpendicular to contour of the view.
Section lining :
Poor practices
Examples
13. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Class activity
Which one is a good practice in section lining?
11 22
14. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Kind of sections
1. Full section
2. Offset section
3. Half section
4. Broken-out section
5. Revolved section (aligned section)
6. Removed section (detailed section)
15. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Conventional practice:
Hidden lines are usually omitted within the section lined area.
Example
Hidden lines
are omitted.
Hidden lines
present.
16. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Full section : Concept & example
A section view is made by passing the straight
cutting plane completely through the part.
Example
17. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
A closer look
18. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Offset section : Concept & example
A section view is made by passing the bended cutting plane completely through the
part.Example
Edge views of
the cutting plane
are omitted
19. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Half section : Concept & example
A section view is made by passing the cutting plane
halfway through an object and remove a quarter of it.
Example
20. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Half section :
A center line is used for separating the sectioned half from the
unsectioned half of the view.
Hidden line is omitted in unsectioned half of the view.
21. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
A section view is made by passing
the cutting plane normal to the
viewing direction and removing the
portion of an object in front of it.
Broken-out section :
Example
The sectioned and unsectioned
portions are separated by
a break line.
Cutting plane line is not
necessary.
Break line is freehand drawn
as a thin continuous line.
Conventional practices
22. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Revolved section:
A section view is made by revolving the cross-section view 90o
about a cutting plane line and drawn on the orthographic view.
Example
a
a
b
b
23. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
1. Superimposed to orthographic view.
SuperimposedBreak
2. Break from orthographic view.
Revolved section :
Placement of a cross-section view
24. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Revolved section :
25. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER6. Removed section
Removed section is created with the same concept as a
revolved section. But, the cross-section view
is shown outside the view.
Removed section : Concept
26. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Example : Revolved vs. removed
sections.
Revolved section
Removed section
Removed section :
Comparison with a revolved section
27. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Summary
An engineer has several choices of section techniques to reveal an internal
feature of an object.
Object having a symmetry, an appropriate choice is such as full section or
half section.
Object having several features that do not locate in-line among each other,
an offset section may be a good choice.
Broken-out section is usually used when an engineer need to reveal a local
detail of each feature.
Revolved and removed section views are efficient when an engineer need
to reveal only a cross section shape of an object.
29. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
BEARING:
Rotating shafts, which transmit motion and power, need to be supported
on bearings.
A bearing is a machine element which support another moving machine
element (shaft).
It permits a relative motion between the contact surfaces of the members,
while carrying the load.
Oil is used minimize the frictional resistance and wear.
The portion of the shaft supported by the bearing is called journal.
Types
(a) Rolling contact bearings, and
(b) Sliding contact bearings.
30. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
ROLLING CONTACT BEARINGS:
BALL, PIN, CYLINDER ARE USED.
31. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
SLIDING CONTACT BEARINGS:
1- BUSHED BEARING:
Journal or plain bearings consist of a
shaft or journal which rotates freely
in a supporting metal sleeve or shell.
There are no rolling elements in
these bearings.
A bushed bearing, is a solid bearing in
which a bush of brass or gun metal is
provided.
The outside of the bush is a driving fit
in the hole of the casting whereas the
inside is a running fit for the shaft.
32. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
SLIDING CONTACT BEARINGS:
1- BUSHED BEARING:
When the bush gets worn out,
it can be easily replaced.
In small bearings, the frictional
force itself holds the bush in
position, but for shafts
transmitting high power, grub
screws are used for the
prevention of rotation and
sliding of the bush.
33. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
SLIDING CONTACT BEARINGS:
When the bush
gets worn out, it
can be easily
replaced.
Bush material is
brass, gun metal,
steel etc.
34. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Question#1. The isometric view of a Bushed Bearing is shown below. Draw
the following views to scale 1:1.
a. Sectional front view.
b. Side view as viewed from left.
c. Top view.
TO SUBMIT
35. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
The isometric view of a Bushed Bearing is shown below. Draw the
following views to scale 1:1.
(a). Sectional front view.
(b)Side view as viewed from left.
(c). Top view.
SOLUTION # 1.
TO SUBMIT
36. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
QUESTION # 2.The isometric view of a Bushed Bearing is shown below.
Draw the following views to scale 1:1.
a. Sectional front view.
b. Top view.
37. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
Bushed Bearing:
SOLUTION # 2.
38. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
SLIDING CONTACT BEARINGS:
2- OPENED BEARING:
This bearing consists of a 'U' shaped cast iron body with the similar shaped
collared brass, bronze or gun metal bush.
This bearing is useful for shafts rotating at slow speeds.
39. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
SLIDING CONTACT BEARINGS:
2- OPENED BEARING:
The figure shows the details of
an 'Open bearing'.
Draw the following views to
scale 1:1.
a. Front view,
b. Top view.
c. Side view as viewed from left.
TO SUBMIT
40. MEHRAN UNIVERSITY
OF ENGINEERING & TECHNOLOGY, JAMSHORO
B.E MECHANICAL ENGINEERING
BATCH-F16, 1ST
YEAR,1ST
SEMESTER
SYLLABUS
• Introduction & Basics: Introduction to graphic language, Essential drawing
instruments and their correct use. Line types and lettering. Basic drafting techniques
and standards. Curves used in engineering.
• Orthographic Projections:
• Orthographic multi view projection of some simple and composite solids.
• Sections: Sectioning and projection of auxiliary views.
• Surface Development: Surface development of simple solids such as cylinder, cone,
prism and pyramid, surface development of intersecting solids.
• Isometric Projections: Isometric projection / drawings of piping.
• Freehand/Sketching : Sketching and basic rules of sketching.
• Detail, assembly and Working Drawings: Preparing detail, assembly and working
drawings of various machine and engine parts such as, keys, cotters, foundation bolts,
screws, pulleys, couplings, bearings riveted joints and nut and bolts. Fundamentals of
geometric dimensioning and tolerancing.
• Computer Aided Drawing: Computer aided drafting (CAD). Auto CAD Software