Theory of Machines: Unit II: Gears and Gear Trains
gear tooth failure
Gears and Gear Trains - Theory of Machines
The two modes of gear tooth failure are:
GEAR TOOTH FAILURE The two modes of gear tooth failure are: 1. Tooth breakage, and 2. Tooth wear (or surface deterioration). (a) Abrasion, (b) Pitting, and (c) Scaring or seizure. Example 4.1 A toothed wheel has 112 teeth. Its module is 2 mm. Find the circular pitch, pitch diameter and the diametral pitch. Given data: T = 112; m = 2 mm Solution: (i) Pitch diameter (D): We know that, (ii) Circular pitch (pc): (iii) Diametral pitch (pd): Example 4.2 Two mating spur gears have 74 and 36 teeth. Their common module is 5 mm. Determine the centre to centre distance between the gears axis. Given data: TA = 74; TB = 36; m = 5 mm Solution:
Theory of Machines: Unit II: Gears and Gear Trains : Tag: : Gears and Gear Trains - Theory of Machines - gear tooth failure
Theory of Machines: Unit II: Gears and Gear Trains
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Theory of Machines
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