Helical Gears - University of Babylon
2018-7-4u2002·u2002helical gears are frequently used for the transmission of relatively small loads, such as distributor and speedometer drives of automobiles. The helix can slope in either the upward or downward direction. The terms right-hand (RH) and left-hand (LH) helical gears are used to distinguish between the two types, as indicated in the figure. Fig.(1)
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