Practical mechanical drawing and machine design self taught .. (1907)
Westinghouse, Charles. [from old catalog] · Chicago, F. J. Drake & co. · leaf 122
tch of the teethof the gear. Example: What should be the working depthof a tooth of 4 diametral pitch? HORSEPOWER OP GEARS 119 Answer: From Formula 5, 2 divided by 4 gives0.5 or one-half an inch as the working depth ofthe tooth. Example: How many teeth are there in a gearof 7 inches pitch diameter… … Fig. 204—Rack with Straight Face Involute Teeth. Answer: By Formula 7 the thickness of thetooth at the pitch line is 1.571 divided by thediametral pitch, then 1.571-^8 gives 0.196 inchesas the thickness of the tooth. Example: What should be the correct clearanceat the bottom of a tooth of 3…
Mechanical drawing · Machine design
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