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 161
, nearly, for the width of space on the bottom, or thewidth of the tool for cutting the thread, etc., for a worm of% circular pitch, The dimensions of any worm thread can be found in thesame manner. In cutting the teeth of worm wheels they should first bedriven on an arbor, and the table set over… … THE MACHINIST AND TOOl, MAKERS INSTRUCTOR. 157 the thread of the worm, and placing the worm wheel directlyunder the center of the cutter, raise the wheel up into thecutter sufficiently to cut it two-thirds or more of the wholedepth, depending upon the size and shape of cutter, and alsowhether the…
Machinery
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