Helical Gear is a kind of helical gears, only two axes parallel, is called oblique teeth.
It has the following advantages:
(1) The number of teeth in contact with transmission is more, and the transmission uniformity noise is smaller.
(2) can transfer a larger power.
(3) can be used for two axes of parallel or two axes to any angle without intersection. Therefore, helical gears are widely used, especially in helical gears. In modern high-speed transmission by the impact of large transmission and high horsepower transmission, such as the direct transmission of motor, diesel gear transmission, etc. to be used in helical cylindrical gears, machine tool in the vertical milling head also used in the helical cylindrical gear transmission.
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