Machine tools
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The document discusses several types of machine tools used in manufacturing. The lathe is used to make round parts like shafts and bushings. The vertical milling machine mills flat surfaces and grooves and can cut keyways or flats on shafts. The horizontal milling machine has been replaced by the vertical milling machine but can also produce gears. The drill press drills holes while the radial arm drill press drills large workpieces. The surface grinder provides extremely precise flat surfaces within 0.0001 inches. CNC machines are computer-controlled and faster than manual machines. The turning center is a CNC lathe while the machining center is a CNC milling machine.
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The document discusses lathe machines, including their history, construction, types, and operations. It defines a lathe as a machine tool used to cut or shape cylindrical workpieces. The key parts of a lathe are described, such as the headstock, tailstock, apron, and bed ways. Various types of lathes are examined, including center lathes, turret lathes, capstan lathes, tracer lathes, automatic lathes, and CNC lathes. Common lathe operations like turning, facing, boring, drilling, threading, and knurling are also explained.
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This document provides an overview of various machining processes including turning, drilling, and milling. It describes the key operations for each process and common machine tools used. Turning operations like facing and threading are performed on lathes. Drilling and related operations like reaming and tapping are usually done on drill presses. Milling can be classified as peripheral or face milling and is commonly done on knee-and-column or bed type milling machines. The document outlines the basic mechanics and applications of various machining techniques.
Machining
1. The document describes various common machining processes including lathe operations like turning, taper turning, and thread cutting.
2. Milling operations including plain milling, face milling, and side milling are discussed as well as other processes like drilling, planning, shaping, and grinding.
3. Numerical control and computer numerical control are covered as methods to control machine tools using programmed instructions.
Machining Processes
1. There are several types of lathes used in manufacturing including speed lathes, turret lathes, and numerical control turning centers.
2. Turret lathes have eleven tooling stations that allow for rough simultaneous cuts of metal and are economical for medium production lots.
3. Quick-change tool holders are used on lathes to reduce tool changing time which can constitute 50% of the total cycle time for jobs with repeated operations.
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Milling is a machining process that uses a rotating cutter to remove material from a workpiece through the cutting action of multiple cutting edges. There are two main types of milling: peripheral milling and face milling. Peripheral milling involves rotating the cutter parallel to the workpiece surface, while face milling generates a surface perpendicular to the cutter axis. Milling operations can produce flat, contoured, or irregular surfaces and complex shapes through techniques like slab milling, slotting, side milling, straddle milling, form milling, up milling, down milling, end milling, pocket milling, and profile milling.
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Shaper – Types of operations. Drilling, reaming, boring, Tapping. Milling operations-types of milling cutter. Gear cutting – forming and generation principle and construction of gear milling ,hobbing and gear shaping processes –finishing of gears.
unit 2 millingmachine ppt.pptx
Milling machines use a rotating multipoint cutter to remove material from a workpiece through feeding in various ways. There are several types of milling machines but the most common is the vertical knee-type mill which allows movement of the workpiece in multiple axes. Milling operations include plain milling for flat surfaces, face milling for perpendicular surfaces, and slot milling or angular milling for complex shapes. Milling provides fast metal removal for complex geometries through cutters that can cut on sides, ends, and faces.
Drilling and boring
The document discusses drilling and boring machines. It describes how drilling machines are used to produce circular holes in workpieces using rotating cutters called drills. Different types of drilling machines are described, including portable drilling machines, sensitive bench drilling machines, upright drilling machines, radial drilling machines, gang drilling machines, turret drilling machines, and deep hole drilling machines. The document also covers topics such as tool nomenclature, drilling operations, tool holding devices, work holding devices, drill types, and reaming.
Milling machine(husain)
The document describes milling machine operations. It defines milling, the main components of milling machines, and different types of milling machines including horizontal, vertical, and speciality machines. It also explains various milling techniques such as plain milling, face milling, end milling, and gang milling. Key parts of milling machines like the spindle, table, and arbor are identified. Methods like up milling and down milling are compared.
Lecture 1 introduction of machine shop
This document provides information about various machine shop machines and their functions. It introduces lathes, milling machines, shaper machines, planer machines, and drilling machines. It describes that a lathe rotates a workpiece to cut, shape, and form symmetrical objects. A milling machine uses rotating cutters to remove material. A shaper machine uses a reciprocating ram and single-point cutting tool. A planer machine has a moving workpiece and stationary cutting tool. Drilling machines cut holes using a drilling tool attached to a spindle.
Production Technology (Unit V).ppt......
The document discusses different types of boring machines and their components and functions. It describes boring as enlarging pre-existing holes using a single-point cutting tool. The main types covered are horizontal, vertical, and jig boring machines. Horizontal boring machines can be table, floor, or planer types, and have components like beds, columns, heads, saddles and tables. Vertical boring machines also have beds, tables, housings, rails, and tool heads. Jig borers provide high precision for drilling, boring, and reaming. The document also defines boring tools, bars, and heads.
Boring machine & its types by Engr.Umair raza
This document discusses boring machines and their operation. It describes the evolution of drilling machines and lists the key parts of a drilling machine. It then focuses on different types of boring machines like horizontal, vertical, and precision boring machines. For each type, it provides details on their parts and working. It also discusses boring tools and holders that are used for different boring operations. The goal is to introduce the reader to various boring machine types and their functions.
Boring machine
This document discusses various types of boring machines and their uses. It describes horizontal and vertical boring machines, floor type boring machines, turret type boring machines, and precision jig boring machines. It also discusses boring bars and tool holders, including adjustable, damped, and line boring bars as well as boring and facing heads. Jig boring machines resemble vertical milling machines and are designed for accuracy through rigidity and precise measurement capabilities.
boring mc.pptx
This document discusses different types of boring machines and their components. It describes horizontal boring machines, vertical boring machines, precision boring machines, and jig boring machines. It explains that horizontal boring machines can perform operations like boring, reaming, turning, threading, facing, milling and grooving. Vertical boring machines are used for heavy components and can also do drilling, reaming, threading, facing and grooving. Jig boring machines resemble vertical milling machines and are designed for accuracy through rigidity and precise measurement. The document also covers boring tool holders and different types of adjustable boring bars.
MANUFACTURING PROCESS-II
The document discusses various machining operations like shaper operations, drilling, boring, milling and gear cutting. It describes the working, parts, types, specifications and operations of shaper, drilling machine, boring machine and milling machine. It also explains gear generation processes like gear shaping, planning and hobbing as well as gear finishing processes like shaving, rolling, burnishing, lapping and honing.
SHAPERS
The document discusses various machining operations like shaper operations, drilling, boring, milling and gear cutting. It describes the working, parts, types, specifications and operations of shaper, drilling machine, boring machine and milling machine. It also explains gear generation processes like gear shaping, planning and hobbing as well as gear finishing processes like shaving, rolling, burnishing, lapping and honing.
Unit 3A2 - Drillling and related operations
Mechbytes coverage of Drilling, Drilling Machines, Work and tool holding in drill machines, types of drill machines etc
Drilling Machine Presentation
Definition of Drilling
Types of Drill Machine
Drill Bits Types
Cutting Analysis
Twist Drill Nomenclature ...e.t.c.
Drilling machine
This document discusses different types of drilling machines and their operation. It describes bench drilling machines, radial drilling machines, gang drilling machines, and multiple spindle drilling machines. It explains the basic workings of drilling machines and some common drilling operations like reaming, boring, counterboring, countersinking, spot facing and tapping. Safety precautions for operating drilling machines are also outlined.
boring machine class by polayya
Horizontal and vertical boring machines are types of machines used for boring holes in workpieces. Horizontal boring machines support the workpiece on a stationary table while the tool revolves horizontally. Vertical boring machines rotate the workpiece on a horizontal table about a vertical axis while the tool remains stationary. Jig boring machines are precision boring machines that resemble vertical milling machines. They are used to machine surfaces and bore holes accurately using single-point cutting tools. Jig boring machines can measure positions very precisely using systems like precision lead screws, scale and microscope systems, or electro-magnetic systems.
Milling and gear cutting machines
Milling operations-types of milling cutter. Gear cutting – forming and generation principle and construction of gear milling, hobbing and gear shaping processes –finishing of gears.
Report it
This document provides details about Praveen Kumar Upadhyay's 4-week industrial training report at the Mechanical Workshop of the North Eastern Railways in Gorakhpur. It describes the various production shops in the workshop, including the machine shop with various lathe, milling, drilling and other machines. Other shops described are the smithy, carriage component shop, heat treatment shop, and others. The workshop was established in 1903 and currently undertakes overhaul of 180 coaches per month. It has over 5000 employees across its 29.8 hectare facility.
Types of grinding machines
There are four main types of grinding machines: surface grinding machines, cylindrical grinding machines, internal grinding machines, and tool and cutter grinding machines. Surface grinding machines are classified by spindle orientation and table movement. Cylindrical grinding machines include plain, universal, and centerless types. Internal grinding machines include chucking, planetary, and centerless types. Tool and cutter grinding machines are used to manufacture or resharpen tools and cutters.
Machining Processes
Basic Introduction of Machining processes.
Disclaimer: I don't own any of the contents in the slides.
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Machine tools
- 2. The Lathe The lathe is used to make round parts, such as shafts and bushings. The lathe can also make more complicated parts if the right operations are used.
- 3. The Vertical Milling Machine The milling machine makes flat surfaces and mills grooves; by clamping a round work piece in a v-block, keyways or flats can cut on shafts. With a rotary table this machine can also mill circular grooves and slots.
- 4. The Horizontal Milling Machine The horizontal milling machine has been largely replaced with the vertical milling machine. Like the vertical mill, the horizontal mill can machine flat surfaces and grooves but with a dividing head it can also produce gears.
- 5. Upright Drill Press The Upright drill press, as the name implies, drills holes. This type of drill press also has automatic feed which makes drilling deep holes much easier.
- 6. Radial Arm Drill Press The radial arm drill press is used to drill holes in work pieces too large to fit on a upright drill press. On this machine the head unit slides on the arm, this allows the machine to drill multiple holes without moving the work piece.
- 7. If you need a highly accurate, extremely flat surface, the surface grinder is the tool you need. With this machine tolerances within one ten-thousandth (0.0001) of an inch are possible. Surface Grinder
- 8. CNC (Computer Numerical Control) CNC machines are computer controlled machine tools, and are generally much faster than their manual counter parts.
- 9. Turning Center A turning center is a CNC lathe. These machines have a automatic tool changer which speeds up machining times tremendously. Parts produced by these machines usually only take a few seconds to produce, but larger parts may take a couple hours to finish.
- 10. Machining Center What the Turning center is to the lathe what the machining center is to the milling machine. From turbines to engine blocks CNC mills can produce some very complex parts. With their automatic tool changers they are much faster than manual milling machines.