Handbook of Machine Design P43

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Handbook of Machine Design P43

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GLOSSARY OF SYMBOLS bG C d d0 dR D Db D0 D1 / hk ht L mG m0 mp nw nG Dedendum of gear teeth Center distance Worm pitch diameter Outside diameter of worm Root diameter of worm Pitch diameter of gear in central plane Base circle diameter Outside diameter of gear Throat diameter of gear Length of flat on outside diameter of worm Working depth of tooth Whole depth of tooth Lead of worm Gear ratio = NGINW Module, millimeters of pitch diameter per tooth (SI use) Number of teeth in contact Rotational speed of worm, r/min Rotational speed...

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