Theory of Machines

Backlash

The gap between the non-drive face of the pinion tooth and the…

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August 2, 2021

Length of Arc of Contact

Arc of contact is the path traced by a point on the…

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August 2, 2021

Length of Path of Contact

Consider a pinion driving wheel as shown in figure. When the pinion…

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August 2, 2021

Systems of Gear Teeth

The following four systems of gear teeth are commonly used in practice:…

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August 2, 2021

Forms of Teeth

Involute Profile The following examples are involute spur gears. We use the…

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August 2, 2021

Conjugate Profiles

To obtain the expected velocity ratio of two tooth profiles, the normal line of…

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August 2, 2021

Constant Velocity Ratio

For a constant velocity ratio, the position of P should remain unchanged. In this…

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August 2, 2021

Gear-Tooth Action

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August 2, 2021

Terms Used in Gears

Fig. 4.2. Spur Gear and Pinion pair Terms used in Gear Addendum: The…

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August 2, 2021

Neither parallel nor intersecting shafts

Helical gears may be used to mesh two shaftsthat are not parallel,…

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August 2, 2021