Bearing
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This document discusses different types of basic bearings, including friction bearings, fluid coated bearings, and rolling bearings. It also explains how to select a suitable bearing by calculating dynamic and life load ratios. The types of basic bearings are described as plain/friction bearings, fluid bearings, and rolling element bearings.
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Bearings
The document discusses bearings, which are machine elements that support moving parts while allowing relative motion and transmitting loads. There are two main types: plain bearings, which use sliding contact, and antifriction bearings, which use rolling contact like balls or rollers to reduce friction. Key factors in bearing design include load type (radial or thrust), materials, lubrication method, tolerances, and life expectancy. Bearings must be designed to prevent overheating by sufficiently generating and dissipating heat from friction during use.
Bearing
1. Bearings are components that allow parts in a machine to move smoothly against each other. There are two main types: sliding bearings which use lubrication between sliding surfaces, and rolling element bearings which use balls or rollers to minimize friction.
2. Thrust bearings are a type of rolling element bearing designed to support high axial loads on a shaft. Common varieties include ball, roller, and tapered roller thrust bearings.
3. Bushings are plain bearings that can be inserted into a housing to provide a bearing surface, and come in solid, split, or clenched designs to accommodate rotation.
ppt on journal bearing by ajay sharma
This document summarizes information about journal bearings. It defines a journal bearing as a block of cast iron with a hole for supporting a rotating shaft. It describes how lubricating oil is fed into the bearing and dragged by the shaft, creating hydrodynamic lift and resisting shaft motion. There are three types of journal bearings: dry, hydrodynamic, and hydrostatic. The document discusses the pressure distribution in a journal bearing due to the flow of viscous fluid in a converging channel, and defines the eccentricity ratio as the ratio of eccentricity to radial clearance. It concludes with discussing the study of bearing functions and types, and viewing the pressure distribution curve of a journal bearing.
Bearings and lubrication
This document discusses bearings and lubrication. It describes the main functions of bearings as supporting rotating shafts to transmit power and reduce friction. There are two main types of bearings: rolling contact bearings, which transfer load through rolling elements like balls and rollers; and journal or sleeve bearings, which transfer load through a thin film of lubricant. Key considerations in bearing selection include life, speed, load type, and accuracy requirements. Common bearing types are described like ball, roller, tapered, and thrust bearings. Proper lubrication and factors like bearing load and speed determine bearing life.
Rolling contact bearings and design procedure
this slide will give you idea about the rolling contact bearing , its types application areas and also you will learn how to design rolling contact bearing ,
comparison between the rolling contact and sliding contact bearing , advantage and disadvantages.
Bearings and its assembly
Bearings are selected based on bearing life and reliability, speed, space limitations, accuracy, and load characteristics. The main types of bearings include ball bearings, roller bearings, thrust bearings, and linear bearings. Key factors in selecting the right bearing include radial load capacity, thrust load capacity, misalignment tolerance, and application-specific requirements. Proper bearing selection depends on understanding the bearing design and ratings.
Design and solved problems for rolling contant bearing
This document provides an introduction to bearings and bearing design. It defines bearings and their purpose of supporting moving machine elements while allowing relative motion. Bearings are classified based on the direction of load and type of contact. Rolling contact bearings like ball and roller bearings are introduced, which have lower friction than sliding contact bearings. The document outlines the main parts of a ball bearing and provides steps for selecting an appropriate bearing for an application involving a 40mm shaft with 5000N of radial load and 3000N of thrust load operating at 400rpm. Through calculations, ball bearing SKF No. 6308 is determined to meet the load requirements.
Bearing and Sliding contact bearings
This document provides information on bearings, including their history, classification, materials used, lubrication types, and design procedures. It discusses how bearings are designed to reduce friction, carry loads, and guide moving parts. The key types are described as radial or thrust bearings, and sliding or rolling contact bearings. Common materials include babbitt metals, bronzes, cast iron, silver, and non-metallic options. Design of journal bearings involves calculating parameters like load capacity, pressure, clearance, heat generation and dissipation. An example at the end illustrates the full design process.
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Bearings
The document discusses bearings, which are machine elements that support moving parts while allowing relative motion and transmitting loads. There are two main types: plain bearings, which use sliding contact, and antifriction bearings, which use rolling contact like balls or rollers to reduce friction. Key factors in bearing design include load type (radial or thrust), materials, lubrication method, tolerances, and life expectancy. Bearings must be designed to prevent overheating by sufficiently generating and dissipating heat from friction during use.
Bearing
1. Bearings are components that allow parts in a machine to move smoothly against each other. There are two main types: sliding bearings which use lubrication between sliding surfaces, and rolling element bearings which use balls or rollers to minimize friction.
2. Thrust bearings are a type of rolling element bearing designed to support high axial loads on a shaft. Common varieties include ball, roller, and tapered roller thrust bearings.
3. Bushings are plain bearings that can be inserted into a housing to provide a bearing surface, and come in solid, split, or clenched designs to accommodate rotation.
ppt on journal bearing by ajay sharma
This document summarizes information about journal bearings. It defines a journal bearing as a block of cast iron with a hole for supporting a rotating shaft. It describes how lubricating oil is fed into the bearing and dragged by the shaft, creating hydrodynamic lift and resisting shaft motion. There are three types of journal bearings: dry, hydrodynamic, and hydrostatic. The document discusses the pressure distribution in a journal bearing due to the flow of viscous fluid in a converging channel, and defines the eccentricity ratio as the ratio of eccentricity to radial clearance. It concludes with discussing the study of bearing functions and types, and viewing the pressure distribution curve of a journal bearing.
Bearings and lubrication
This document discusses bearings and lubrication. It describes the main functions of bearings as supporting rotating shafts to transmit power and reduce friction. There are two main types of bearings: rolling contact bearings, which transfer load through rolling elements like balls and rollers; and journal or sleeve bearings, which transfer load through a thin film of lubricant. Key considerations in bearing selection include life, speed, load type, and accuracy requirements. Common bearing types are described like ball, roller, tapered, and thrust bearings. Proper lubrication and factors like bearing load and speed determine bearing life.
Rolling contact bearings and design procedure
this slide will give you idea about the rolling contact bearing , its types application areas and also you will learn how to design rolling contact bearing ,
comparison between the rolling contact and sliding contact bearing , advantage and disadvantages.
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Bearings are selected based on bearing life and reliability, speed, space limitations, accuracy, and load characteristics. The main types of bearings include ball bearings, roller bearings, thrust bearings, and linear bearings. Key factors in selecting the right bearing include radial load capacity, thrust load capacity, misalignment tolerance, and application-specific requirements. Proper bearing selection depends on understanding the bearing design and ratings.
Design and solved problems for rolling contant bearing
This document provides an introduction to bearings and bearing design. It defines bearings and their purpose of supporting moving machine elements while allowing relative motion. Bearings are classified based on the direction of load and type of contact. Rolling contact bearings like ball and roller bearings are introduced, which have lower friction than sliding contact bearings. The document outlines the main parts of a ball bearing and provides steps for selecting an appropriate bearing for an application involving a 40mm shaft with 5000N of radial load and 3000N of thrust load operating at 400rpm. Through calculations, ball bearing SKF No. 6308 is determined to meet the load requirements.
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This document provides information on bearings, including their history, classification, materials used, lubrication types, and design procedures. It discusses how bearings are designed to reduce friction, carry loads, and guide moving parts. The key types are described as radial or thrust bearings, and sliding or rolling contact bearings. Common materials include babbitt metals, bronzes, cast iron, silver, and non-metallic options. Design of journal bearings involves calculating parameters like load capacity, pressure, clearance, heat generation and dissipation. An example at the end illustrates the full design process.
Bearing DESIGN
A bearing is a machine element that supports another moving element, known as a journal, and allows relative motion between their surfaces while carrying loads. There are two main types of bearings: sliding contact bearings and rolling contact bearings. Sliding contact bearings include journal or sleeve bearings, which support radial loads and come in full or partial designs. Rolling contact bearings use balls or rollers between surfaces to reduce friction. Key considerations in bearing design include load capacity, friction, lubrication, and heat dissipation.
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Rolling contact Bearing
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2. Common types of springs include helical springs, leaf springs, and disc or Belleville springs. Helical springs can be open or closed coils for compression and tension. Leaf springs use stacked plates, while disc springs use stacked conical discs.
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3. Bearings are classified by the direction of load (radial or thrust) and the type of contact (sliding or rolling). Sliding contact bearings use layers of materials like babbit metal, bronze, cast iron, or non-metallic alternatives between surfaces.
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This document provides an introduction to sliding contact bearings. It discusses the basic functions and applications of bearings, and classifications of bearings based on load direction and contact type. Specifically, it covers radial and thrust bearings, and sliding and rolling contact bearings. It describes the components, operation, and types of sliding contact or plain bearings, including journal, slipper, and thrust bearings. Key terms related to hydrodynamic journal bearings like diametral clearance are also defined.
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This document discusses bearings and their functions. It describes how bearings support rotating shafts and reduce friction to allow for smooth rotation. There are two main types of bearings - plain/slider bearings which have a large contact area and high friction, and rolling/ball bearings which have less contact area and lower rolling friction. Ball and roller bearings are further described as having races, balls/rollers, and a cage that separates the balls to reduce friction. Common ball and roller bearing types and their applications are also outlined.
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Bearing DESIGN
A bearing is a machine element that supports another moving element, known as a journal, and allows relative motion between their surfaces while carrying loads. There are two main types of bearings: sliding contact bearings and rolling contact bearings. Sliding contact bearings include journal or sleeve bearings, which support radial loads and come in full or partial designs. Rolling contact bearings use balls or rollers between surfaces to reduce friction. Key considerations in bearing design include load capacity, friction, lubrication, and heat dissipation.
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Rolling contact Bearing
Here you can find rolling contact bearing introduction. also fow to define life of bearing L10 or L50 and designation of rolling contact bearing.
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The document discusses different types of rolling contact bearings used for various load applications. Ball bearings are used for low and medium radial loads, while roller bearings are used for heavy loads and large shaft diameters. Bearing selection depends on factors like the load type (radial, thrust), load magnitude (light, medium, heavy), and other application requirements. Common bearing designations indicate bore size and features. Static load ratings specify the maximum permissible static radial or thrust loads for a bearing based on allowable deformation criteria. Bearing life refers to the number of revolutions or hours a bearing can operate before fatigue failure occurs in 90% of a group of identical bearings.
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Revised ppt for Design of energy storing elements and engine componentsxx
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1. Springs are elastic bodies that store mechanical energy. They are used to exert force, provide flexibility, and absorb energy.
2. Common types of springs include helical springs, leaf springs, and disc or Belleville springs. Helical springs can be open or closed coils for compression and tension. Leaf springs use stacked plates, while disc springs use stacked conical discs.
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2. Applications include concrete mixers, turbines, motors, and engine crankshafts. Advantages are simple design, compact size, low cost, and good shock resistance, while disadvantages include higher friction losses and need for good lubrication.
3. Bearings are classified by the direction of load (radial or thrust) and the type of contact (sliding or rolling). Sliding contact bearings use layers of materials like babbit metal, bronze, cast iron, or non-metallic alternatives between surfaces.
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This video tells us about bearing and bearing classification. attention paid on rolling contact bearing also.
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The document discusses the selection and use of bearings. It describes the functions of bearings as supporting loads on shafts and locating the shaft position. It outlines types of bearings as sliding contact or rolling contact. Rolling contact bearings include ball bearings and roller bearings. When selecting a bearing, factors to consider include load type (radial, thrust, or combined), load capacity, dimensions, intended use conditions, and desired service life. Installation of ball bearings requires proper shaft and housing design, lubrication provision, and sealing.
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This document provides an introduction to sliding contact bearings. It discusses the basic functions and applications of bearings, and classifications of bearings based on load direction and contact type. Specifically, it covers radial and thrust bearings, and sliding and rolling contact bearings. It describes the components, operation, and types of sliding contact or plain bearings, including journal, slipper, and thrust bearings. Key terms related to hydrodynamic journal bearings like diametral clearance are also defined.
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This document provides information about the design procedure for sliding contact bearings. It defines key terms used in hydrodynamic journal bearings such as diametral clearance, radial clearance, eccentricity, minimum oil film thickness, and short/long bearings. It discusses bearing characteristic number and bearing modulus, and how they relate to the coefficient of friction. Equations are provided for critical pressure, heat generated in bearings, and heat dissipated by bearings. The design procedure involves selecting bearing dimensions, material properties, operating parameters, and verifying thermal equilibrium conditions.
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This document discusses different types of bearings used in mechanical engineering. It describes bearings as machine components that support another element and allow relative motion while carrying a load. There are two main types - sliding contact bearings and rolling contact bearings. Rolling contact bearings, also called anti-friction bearings, use balls or rollers between elements and have lower coefficients of friction than sliding contact bearings. The document further details types of rolling contact bearings like ball bearings, roller bearings, and their construction and applications.
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The document discusses different types of bearings used in machines and their functions. It describes sliding contact bearings like hydrodynamic and hydrostatic bearings, and rolling contact bearings like ball and roller bearings. The key types of rolling contact bearings are explained as journal/sleeve bearings, thrust bearings, and guide bearings based on the direction of load and motion. Common applications of rolling contact bearings and their advantages are also summarized.
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The seminar presented an overview of rolling contact bearings. It discussed the types of bearings including rolling contact bearings and journal bearings. For rolling contact bearings, it covered the construction consisting of inner race, outer race, rolling elements, and cage. It classified rolling element bearings into ball bearings and roller bearings. It discussed concepts like bearing life, load ratings, advantages like low friction and disadvantages like finite life. The seminar provided an introduction to rolling element bearings.
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Rolling contact bearings are called antifriction bearings because they have lower friction than sliding contact bearings. The document discusses the advantages and types of rolling contact bearings, including ball bearings and different types of roller bearings. It also covers standard dimensions, load ratings, reliability, materials used, and lubrication of ball and roller bearings.
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A suspension system or shock absorber is a mechanical device designed to smooth out or damp shock
impulse, and dissipate kinetic energy. The shock absorbers duty is to absorb or dissipate energy. In a
vehicle, it reduces the effect of travelling over rough ground, leading to improved ride quality, and increase in
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is very important. In this project a shock absorber is designed and a 3D model is created using CATIA V5. The
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impulse, and dissipate kinetic energy. The shock absorbers duty is to absorb or dissipate energy. In a
vehicle, it reduces the effect of travelling over rough ground, leading to improved ride quality, and increase in
comfort due to substantially reduced amplitude of disturbances. The design of spring in suspension system
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Here are the key steps to solve this bearing life problem:
1. Given: Load (P) = 3000 KN, Load life (Lh) = 30000 h, Speed (n) = 600 rpm, Bore diameter (d) = 40 mm
2. Convert speed to rpm: n = 600 rpm
3. Use bearing life equation:
L = 60nLh/106
L = 60 * 600 * 30000/106 = 1080 million revolutions
4. Use bearing load life capacity equation:
C = P(L10)1/3
C = 3000 * (1080)1/3 = 30779.57 N
So the bearing life is 1080 million revolutions
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Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
(𝐓𝐋𝐄 𝟏𝟎𝟎) (𝐋𝐞𝐬𝐬𝐨𝐧 𝟏)-𝐏𝐫𝐞𝐥𝐢𝐦𝐬
𝐃𝐢𝐬𝐜𝐮𝐬𝐬 𝐭𝐡𝐞 𝐄𝐏𝐏 𝐂𝐮𝐫𝐫𝐢𝐜𝐮𝐥𝐮𝐦 𝐢𝐧 𝐭𝐡𝐞 𝐏𝐡𝐢𝐥𝐢𝐩𝐩𝐢𝐧𝐞𝐬:
- Understand the goals and objectives of the Edukasyong Pantahanan at Pangkabuhayan (EPP) curriculum, recognizing its importance in fostering practical life skills and values among students. Students will also be able to identify the key components and subjects covered, such as agriculture, home economics, industrial arts, and information and communication technology.
𝐄𝐱𝐩𝐥𝐚𝐢𝐧 𝐭𝐡𝐞 𝐍𝐚𝐭𝐮𝐫𝐞 𝐚𝐧𝐝 𝐒𝐜𝐨𝐩𝐞 𝐨𝐟 𝐚𝐧 𝐄𝐧𝐭𝐫𝐞𝐩𝐫𝐞𝐧𝐞𝐮𝐫:
-Define entrepreneurship, distinguishing it from general business activities by emphasizing its focus on innovation, risk-taking, and value creation. Students will describe the characteristics and traits of successful entrepreneurs, including their roles and responsibilities, and discuss the broader economic and social impacts of entrepreneurial activities on both local and global scales.
How to deliver Powerpoint Presentations.pptx
"How to make and deliver dynamic presentations by making it more interactive to captivate your audience attention"
Mule event processing models | MuleSoft Mysore Meetup #47
Mule event processing models | MuleSoft Mysore Meetup #47
Event Link:- https://meetups.mulesoft.com/events/details/mulesoft-mysore-presents-mule-event-processing-models/
Agenda
● What is event processing in MuleSoft?
● Types of event processing models in Mule 4
● Distinction between the reactive, parallel, blocking & non-blocking processing
For Upcoming Meetups Join Mysore Meetup Group - https://meetups.mulesoft.com/mysore/YouTube:- youtube.com/@mulesoftmysore
Mysore WhatsApp group:- https://chat.whatsapp.com/EhqtHtCC75vCAX7gaO842N
Speaker:-
Shivani Yasaswi - https://www.linkedin.com/in/shivaniyasaswi/
Organizers:-
Shubham Chaurasia - https://www.linkedin.com/in/shubhamchaurasia1/
Giridhar Meka - https://www.linkedin.com/in/giridharmeka
Priya Shaw - https://www.linkedin.com/in/priya-shaw
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...Nguyen Thanh Tu Collection
https://app.box.com/s/tacvl9ekroe9hqupdnjruiypvm9rdaneTemple of Asclepius in Thrace. Excavation results
The temple and the sanctuary around were dedicated to Asklepios Zmidrenus. This name has been known since 1875 when an inscription dedicated to him was discovered in Rome. The inscription is dated in 227 AD and was left by soldiers originating from the city of Philippopolis (modern Plovdiv).
RHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem students
Physical pharmaceutics notes for B.pharm students
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
Constructing Your Course Container for Effective Communication
Communicating effectively and consistently with students can help them feel at ease during their learning experience and provide the instructor with a communication trail to track the course's progress. This workshop will take you through constructing an engaging course container to facilitate effective communication.
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...
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IGCSE Biology Chapter 14- Reproduction in Plants.pdf
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Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
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Mule event processing models | MuleSoft Mysore Meetup #47
Mule event processing models | MuleSoft Mysore Meetup #47
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
RHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem students
RHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem students
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
Constructing Your Course Container for Effective Communication
Constructing Your Course Container for Effective Communication
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...
Bearing
- 1. This topic explains the types of basic bearing such as friction bearing, fluid coated bearing, rolling bearing. This topic also explains the method of selecting suitable bearing based on calculation of dynamic and life load ratio. By: M. Hamdi Bin Khosran JKM, PMM 1
- 2. žA bearing is any of various machine elements that constrain the relative motion between two or more parts to only the desired type of motion. This is typically to allow and promote free rotation around a fixed axis or free linear movement; it may also be to prevent any motion, such as by controlling the vectors of normal forces. Bearings may be classified broadly according to the motions they allow and according to their principle of operation, as well as by the directions of applied loads they can handle. By: M. Hamdi Bin Khosran JKM, PMM 2
- 3. ž A plain bearing, also known as a plane bearing[1] or a friction bearing is the simplest type of bearing, comprising just a bearing surface and no rolling elements. ž Therefore the journal (i.e., the part of the shaft in contact with the bearing) slides over the bearing surface. ž The simplest example of a plain bearing is a shaft rotating in a hole. A simple linear bearing can be a pair of flat surfaces designed to allow motion; e.g., a drawer and the slides it rests on or the ways on the bed of a lathe. ž Plain bearings, in general, are the least expensive type of bearing. They are also compact and lightweight, and they have a high load-carrying capacity. By: M. Hamdi Bin Khosran JKM, PMM 3
- 4. By: M. Hamdi Bin Khosran JKM, PMM 4
- 5. By: M. Hamdi Bin Khosran JKM, PMM 5
- 6. By: M. Hamdi Bin Khosran JKM, PMM 6
- 7. žA rolling-element bearing, also known as a rolling bearing, is a bearing which carries a load by placing round elements between the two pieces. The relative motion of the pieces causes the round elements to roll with very little rolling resistance and with little sliding. By: M. Hamdi Bin Khosran JKM, PMM 7
- 8. By: M. Hamdi Bin Khosran JKM, PMM 8
- 9. By: M. Hamdi Bin Khosran JKM, PMM 9
- 10. ž Fluid bearings are bearings which support the bearing's loads solely on a thin layer of liquid or gas. ž They can be broadly classified as fluid dynamic bearings or hydrostatic bearings. ¡ Hydrostatic bearings are externally pressurized fluid bearings, where the fluid is usually oil, water or air, and the pressurization is done by a pump. Hydrodynamic bearings rely on the high speed of the journal self- pressurizing the fluid in a wedge between the faces. ¡ Fluid bearings are frequently used in high load, high speed or high precision applications where ordinary ball bearings have short life or high noise and vibration. They are also used increasingly to reduce cost. For example, hard disk drive motor fluid bearings are both quieter and cheaper than the ball bearings they replace. By: M. Hamdi Bin Khosran JKM, PMM 10
- 11. By: M. Hamdi Bin Khosran JKM, PMM 11
- 12. By: M. Hamdi Bin Khosran JKM, PMM 12