Gordon England Surface Engineering Forum



Tin & lead based babbitt

Posted by Raghav (210.211.194.144) on 18:21:46 20/04/05

Dear Gordon,

I would be thankful if you could help me with an application of babbitting on mill counter shaft bearings. On these bearings presently lead based babbitting is done through pouring process. We are looking at going with a tin based babbitt instead. With the lead based babbitt the oil film temperature is around 65 deg C, if we go with a tin based babbitt would there be a change in the temperature of the oil film ? What is the kind of change that could occur ?

Also if the temperature of the oil film is to be reduced - would a layer of copper after bond coat help in reducing the temperature ? If yes how much coat of copper can be given & what would be the effect on bonding ? (Bondarc-copper- Tin based Babbitt)

Thanks in Advance,
Regards,

Raghav Bagri


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