The machinist and tool maker's instructor, containing an easy method of calculating and laying out difficult work in the machine shop .. (1896)
Genung, Edward. [from old catalog] · New York [Press of J. B. Savage, Cleveland] · leaf 158
h, we multiply% or .375 by 84, and we have 31.5 inches for the circumference,which, divided by 3.1416 = 10.0267 inches for the diameter onthe pitch line, as shown at K; we find the working depth for% pitch to be .238, and one-half of this or .119 added toeach side will make the worm wheel 10.265… … 154 THE MACHINIST AND TOOL MAKERS INSTRUCTOR. WORMS AND WORM WHEELS. a W THICK- WIDTH CIRCU « z DIAME- NESS OF WORKING WHOLE OF WIDTH OF LAK a S TRAL TOOTH ON DEPTH OF DEPTH OF THREAD THREAD PITCH. PITCH. PITCHLINE. TOOTH. TOOTH. TOOL ATEND. AT TOP. 8 J6 1.0472 1.5000 1.9098 2.0598 .9285 1.0061 m…
Machinery
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