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Cyclopedia of textile work : a general reference library on cotton, woolen and worsted yarn manufacture, weaving, designing, chemistry and dyeing, finishing, knitting, and allied subjects (1907)

Chicago : American Technical Society · leaf 187

An illustration from Cyclopedia of textile work : a general reference library on cotton, woolen and worsted yarn manufacture, weaving, designing, chemistry and dyeing, finishing, knitting, and allied subjects, 1907, leaf 187
mply a continuation of the motion sliown on P^ig. 100. A worm, is a spiral thread gear, and resembles a spiral ridge cut aj'ound a shaft. A worm gear, is almost like a spur gear, or what is commonly called an ordinary gear ; but the teeth are set slightly on an angle, so as to mesh more perfectly… … Fig. 101. Jfegative Takc-Up Motion. When calculating the speed of a train of gears, which re- ceives motion from a worm, the worm is reckoned as one, that is a one tooth gear. A double worm would be counted as two. Example. 15 X 30 X 62 X 62 _ _ 30 X~ rx~i2X 26 X 15" = '2X2 = 24 Picks. E is the…

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