Because of the tooth thickness of the dedendum is larger than that of the common involute gear and the Pitchs do not contact each other, the beam strength and surface strength of tooth are increased.
由于该齿轮的齿根厚度比普通渐开线齿轮的齿根厚，并且节点附近不相接触，因此，其轮齿弯曲强度和接触强度都提高。
On the base of principle of involute gear and its property, the formation of tooth surface are introduced.
根据渐开线齿轮的原理和渐开线的基本性质，介绍渐开线齿轮齿廓的形成。
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