![]() The helix angle of single helical gears usually ranges from 20 to 35 degrees. There is sliding contact between the teeth. The tooth engagement of it is very good and offers a good grip. ![]() In the helical gear, the shaft axis is parallel to each other helical gears. Source – Arthur Clarke at English Wikipedia, Public domain, via Wikimedia Commons It is quite similar to the spur gear however its teeth are inclined to the axis of the rotation and the inclination is denoted by □ called the helix angle. The next type of gear is the helical gear. Applications of the spur gear.Īpplications of spur gear include washing machines, dial indicator, construction vehicles, watches, geared motors, Parkinson gear tester, blenders, conveyor systems, 3d printers, etc. At high speeds, spur gears are noisier.Over long distances, spur gears cannot be used to transmit power.Spur gears cannot be used for non-parallel shafts.Spur gears are mostly used to transmit large amounts of power.Spur gears provide a constant velocity ratio.Spur gears are comparatively easy to design.Spur gears are economical to manufacture.Whenever someone says the word “gear”, the spur gear would be the first one that comes to mind. Don’t believe it? try asking your family members or friends to describe a gear and see it yourself.
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