Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 384
when it makes one revolution it will raise L a distance Sub- n stituting this value for the distance L moves, in formula (12), andsubstituting for distance F moves, the quantity 2 tt R, we get 340 MEC^IIANISM. 38 ZTT K Therefore, F n 2 77 K L~ 2 77 U •2 77 /.R K (13) Tf the worm is double-threaded,… … For example, a single-threaded worm makes IHO revolutionsper minute and the worm wheel has 30 teeth, how many feet perminute will a weight be raised if the cylinder on the shaft of theworm wheel is 12 inches in diameter? For each revolution of the worm wheel the worm must make80 revolutions, hence…
Mechanical engineering -- Dictionaries
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