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ovality

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rmsr

rmsr

Aerospace
Joined
Oct 4, 2003
Messages
3
Location
IN
Hi,
i am working in kellenberger external cylindrical grinding
m/c, i grind valve parts which is very precise.

i face ovality problem(using expansion mandrels) as the wall thickness is about 5-8mm, does any of u faced this,
please share ur ideas..
 
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Are your mandrels being over-applied or tightened?
 
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dear ornerynorsk,

we apply minimum pressure as well as we tried other type of clamping too, still we r getting ovality of .001 to .002 mm

ragavan
 
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Have you tried to use an hydraulic arbor?
 
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