What is the tooth surface strength and bending strength of the gear, and how to choose?

What is the tooth surface strength and bending strength of the gear, and how to choose?

XNUMX. Tooth surface strength of the gear:

Tooth surface strength is the anti-friction strength of meshed gear teeth in repeated contact.

XNUMX. Bending strength of gears:

Bending strength is the strength of the gear teeth that transmit power against the gear teeth from breaking due to the bending force.

XNUMX. Comprehensive selection:

The calculation according to the bending strength of the tooth surface ensures that the gear teeth will not bend, and the calculation according to the contact strength of the tooth surface guarantees thatgearNo pitting on the tooth surface occurs.

For this reason, the strength of the gear should generally be considered from both the bending and the strength of the tooth surface.

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