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52077
Oval diameter on centerless grinding
May 4, 2009
We are one of the main supplier for automotive 2-4 wheels and
industrial rubber part. we are producing for millions of rubber
bushing each month. actually we are using centerless grinding machine
to fix the outer diameter of rubber bush. in fact we have great
number of NG products of oval diameters. the output of our centerless
machine producing products with a size of runout of diameter from
both sides approx 0.03 mm. if a side direction measured 25.008, on
the other direction measured 25.048 with the direction of X to Y. on
the same case, mismatch of dimension on one end side diamater and
another end side diameter of the busing also occured in all of NG
products. what happen with my grinding machine?
my team already decreasing the machine speed with reducing the slope
of horizontal setting and RPM. but the oval diameters still occured.
if it possible with specify the base rail reducing the oval
diameter?
please give the solutions..
regards

Dino Agung Adha
Engineer - Bogor, Indonesia

May 12, 2009
Hi, Dino. This question seems to be more about machining than
about this site's focus, metal finishing. But we'll see if anyone can
help. Good luck.
Regards,
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Ted Mooney, P.E.
finishing.com
Brick, New Jersey
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