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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A double-reduction helical gear train has in the normal plane 4 and 5.5Â mm moduli for the high- and low-speed gears, respectively (Figure P12.13). The helix angles are different for these gear sets. Find
a. The total speed reduction produced by the four gears and the helix angle of the low-speed gears
b. The helix angle, for the case in which the low-speed gears are replaced by 20- and 32-tooth gears of the same modulus
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 Figure P12.13
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