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Ganesh Munge

Friction force estimation

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Dear All,

@Prakash Pagadala

in attached image

green- housing

yellow - shaft

blue- ball


ball makes a contact with shaft at 2 points and with housing at 2 points.

at every contact there is an interference of 3 microns.

housing is fixed and shaft is allowed to translate axially.


i tried contact with static coefficient of friction and and clearance value but still groove surface of shaft and housing is penetrating the ball and vice versa.

can anyone suggest how can i work on this??



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