Thomas, Hugh Kerr · New York : McGraw-Hill Book Co. · leaf 67
<1—) d 54 WORM GEARS Worm: Number of threads 5 Pitch diameter 3.25 in. Pitch circumference 10.21 in. Length of worm 5 in. Lead 5. 9375 in. Lead angle 30° 11 Thread angle 60° Length of thread per rev 11.812 in. Rubbing speed 18.5 /. p. s. Worm Wheel: No. of teeth 39 Pitch diameter 14.75 in. Pitch… … A EI A EI LHD
Gearing, Worm
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