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VEX Transmissions使变速器.ppt


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文档列表 文档介绍
Gears & VEX
Agenda
Essential Terminology
Gear Types
Gearing Up/Gearing Down
Direction
Gear Ratios
Example
Application: Sumo-petition
gear testing apparatus
Essential Terminology
Driver – gear attached to a motor
Follower – gear doing useful work
Idler – gear between the driver and follower
Gear Train – a row of gears
Geared Up – the follower moves faster than the driver
Geared Down – the follower moves slower than the pound gears – a gear train with multiple gears on one axle
Do you get it?
Which gear is the driver (A or B)?
Which gear is the follower (A or B)?
A
B
motor
Do you get it?
Which gear is the driver (A or B)? → A
Which gear is the follower (A or B)? → B
A
B
motor
Do you get it?
Which gear is the follower (A, B, or C)?
Which gear is the driver (A, B, or C)?
Which gear is the idler (A, B, or C)?
A
B
C
motor
wheel
Do you get it?
Which gear is the follower (A, B, or C)? → C
Which gear is the driver (A, B, or C)? → A
Which gear is the idler (A, B, or C)? → B
A
B
C
motor
wheel
Gear Types
spur gears
differential
bevel gears
rack & pinion
worm gear
Spur Gears
84 tooth
60 tooth
36 tooth
24 tooth
12 tooth
Worm Gears
worm gear
Worm gears allow axles at right angles to transfer rotational motion.

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文档信息
  • 页数42
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  • 上传人54156456
  • 文件大小8.88 MB
  • 时间2018-08-10