Chapter 13-Part 1-Student.pdf

Helix angle herringbone gear herringbone gears are

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Helix angle
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Herringbone gear Herringbone gears are used to cancel the trust load on the shaft.
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Bevel Gears Have teeth on conical surface. Transmitting motion between intersecting shafts.
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Spiral Bevel Gear Straight Bevel Gear Bevel Gears
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Worm Gears They are used when the speed ratio of the two shafts are quite high.
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Rack and Pinion The rack can be considered as a spur gear with infinite pitch radius. The gear rotates and the rack has axial movement.
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Planetary Gears They are used in Automatic transmission. They can have multiple inputs.
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