图 上酒短大峰 色h人A口 LECTURE 15 ME371/ME337 DESIGN AND MANUFACTURING Bearings Covered in Cha11 Mechanical Engineering Design SHAN 国上清通大学 Lectures Power/Energy Conversion (Electrical Motors) Power/Energy Transmission (Gears,Cam,Linkage Belt Drives, Power Screws) Joints Transmission (Fasteners, Support Connectors) (Bearings) Structural Support (Frames) Tools Statics,Dynamics, Stress Analysis,etc. 1
1 Bearings LECTURE 15 ME371/ME337 DESIGN AND MANUFACTURING Covered in Cha11 Mechanical Engineering Design Lectures Power/Energy Conversion (Electrical Motors) Transmission Support (Bearings) Joints (Fasteners, Connectors) Structural Support (Frames) Tools Statics, Dynamics, Stress Analysis, etc. Power/Energy Transmission (Gears, Cam, Linkage, Belt Drives, Power Screws)
上酒短大峰 Outline ▣Introduction ▣Rolling bearing Types ▣Bearing Life ▣Bearing Design 国 上酒文通大学 Why Bearings Bearing is defined by Webster's to be"a support or supporting part'” In machine design,a bearing is a component that allows for relative motion between two bodies ▣Bearings are for:: reduce friction >carry load >guide of moving parts Rotary Encoder ☒I AC Brushless Motor Flexible Coupling Rearing Housing Ballscrew Ballnut Support Bearings 2
2 Introduction Rolling bearing Types Bearing Life Bearing Design Outline Why Bearings Bearing is defined by Webster’s to be “a support or supporting part” In machine design, a bearing is a component that allows for relative motion between two bodies Bearings are for: reduce friction carry load guide of moving parts
图 上海久通大学 Bearings Applications Bearing Bearing 图 上泽充道大学 Principles of Operation 口Rolling Friction(Rolling Contact Bearing滚动轴承) Roller/ball (滚子球) Outer Ring(外圆) Lubrication (润滑剂) ~Inner Ring(内圜) 3
3 Bearings Applications Bearing Bearing Principles of Operation Rolling Friction (Rolling Contact Bearing 滚动轴承) Roller/ball （滚子/球） Lubrication （润滑剂） Outer Ring（外圈） Inner Ring（内圈）
公 上海久通大学 Principles of Operation 口Sliding Friction(Sleeve Bearing滑动轴承) Hydrodynamic lift is Sleeve(轴承座) generated by fluid being dragged into gap by viscous shear Lubrication Circumferential pressure profile Bushing(轴瓦) 圈上充通大学 History 4
4 Principles of Operation Sliding Friction (Sleeve Bearing 滑动轴承) Sleeve（轴承座） Lubrication Circumferential pressure profile Hydrodynamic lift is generated by fluid being dragged into gap by viscous shear Bushing（轴瓦） History
图 上海久通大学 Development of the Bearing 3500B.C. 1794A.D. 1869 700B.C 40A.D. CARB 1995 图上涤夫廷大学 Outline ▣Introduction 口Rolling Bearing Types ▣Bearing Life ▣Bearing Design 5
5 Development of the Bearing 700 B.C. 3500 B.C. 40 A.D. 1794 A.D. 1869 1995 Introduction Rolling Bearing Types Bearing Life Bearing Design Outline