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WHAT IS HELICAL GEAR ?

By Admin on

Helical  Gear

Helical gears have their teeth inclined to the axis of the shafts in the form of a helix, hence the name helical gears.


 These gears are usually thought of as high speed gears. Helical gears can take higher loads than similarly sized spur gears. The motion of helical gears is smoother and quieter than the motion of spur gears.


 Single helical gears impose both radial loads and thrust loads on their bearings and so require the use of thrust bearings. The angle of the helix on both the gear and the must be same in magnitude but opposite in direction, i.e., a right hand pinion meshes with a left hand gear


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