double helical gears
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Customized double helical gears herringbone from professional manufacturers
1.A combination of left and right helical gears with the same helix angle is called a double helical gear, which transmits rotational motion between parallel axes. 2.Double helical gears and herringbone gears are the same type of gear, but those with grooves between the left and right helical teeth are called double helical gears, those without grooves
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