Miter gears are a single kind of bevel gears where in fact the two rotational axes intersect. When speaking of narrow definition of bevel gears with capability to increase or decrease speed, miter gears do not have that ability due to the pair’s same amount of tooth. Their purpose is bound to the modification in transmission direction. Because they are a type of bevel gears, the basic characteristic of bevel gears can be found such as for miter gear china example presence of gear kinds of straight cut, spiral cut and types.

Also, since the shafts can be set to any kind of angle, generally there are miter gears with non-90 degree (non-perpendicular) angle called angular miter gears. Ever-power is usually capable of generating angular miter gears with shaft angles in the number of 45 to 120 degrees.

Because a pair of straight tooth miter gears gets the same quantity of teeth, with the exception of minor differences such as collection screw holes and key ways, the same two gears can mate with each other. However, regarding spiral miter gears, even when the number of teeth will be the same, the twisting directions will vary. Therefore, the same gear can’t be meshed together, in fact it is necessary to pair the proper and left handed pairs.

Bevel gears are classified in various types according to geometry:
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Direct bevel gears have conical pitch surface area and teeth are direct and tapering towards apex.