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 182
cutter where the teeth can have no side clear-ance from the work. The setting for these cuts must also be made beforeswinging the spiral bed to the angle of the spiral. THE UNIVERSAL MILLING MACHINE—Continued. (by the author ) From the preceding method of obtaining spirals as prac-ticed by the… … 178 THE MACHINIST AND TOOL MAKERS INSTRUCTOR. another style of the Universal Milling Machine, a portion ofthe index head only being shown. The feed screw A has twothreads per inch, but there is a pair of bevel gears as shownat F G that drive the change gears, and F is twice as largeas G; these…
Machinery
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