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What material are worm and worm wheel made of?

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What material are worm and worm wheel made of?

Release date:2019-09-19 09:05 source:Original click:

 
What material are worm and worm wheel made of? Why?
 The material combination of worm gear pair requires excellent friction reduction and strength. In the important transmission with high sliding speed (12-25m/s), the worm gear material is usually cast tin bronze ZQSn10-1 and ZQSn6-6-3, while cast aluminium iron bronze ZQAl9-4 and ZQAl10-3-1.5 have poor anti-gluing ability, so they are not suitable for situations with sliding speed greater than 6m/s. Gray iron from HT15-33 to HT20-40 can be used in transmission with lower sliding speed (less than 2m/s).

  Worm material is mainly carbon steel or alloy steel. 12CrNi3A, 18CrMnTi, 20CrMnTi, 20Cr, 20CrV, etc. (Carburizing and quenching to HRC58-63), A6, 40, 45, 40Cr and 40CrNi, etc. (Hardening to HRC45-55)

 

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