Rogers' drawing and design; an educational treatise relating to linear drawing; machine design; working drawings; transmission methods; steam, electrical and metal working machines and parts; lathes; boiler and parts; instruments and their use; tables, etc (1913)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 274
f the worm is increased andapproaches the diameter of the wheel and when theworm is given a multiple thread and the number ofteeth in the worm wheel is comparatively low, thenboth worm and worm wheel take the shape of spiralgears. To add strength to spur gears, the rim is madewider than the teeth,… … Fig. 440. Fig. UL Fig. 442. 300 ROGERS DRAWING AND DESIGN. shrouded to the pitch on both sides; but when oneis very much larger than the other, it is usual toshroud the smaller only. For light spur gears the rim is generally made asshown in Fig. 449. The section shown in Fig. 450shows the rim of a…
Mechanical drawing · Machine design
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