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motor balancing ?

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Old Dec 21, 2004 | 02:17 AM
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ssvincels1's Avatar
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Default motor balancing ?

i work at a turbomachinery repair shop and we balance some of the smaller pinion gears we get, down to .003 grams.

what do car motors get balanced too?
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Old Dec 21, 2004 | 02:48 AM
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HMM restate your question.

I am going to take a stab at it though.
You balcanes the bottom end aka crank pistons and rods. so they do not vibrate them selves to pieces.
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Old Dec 21, 2004 | 03:20 AM
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My balancer did the rotating assembly to + or - 2 grams. That's pretty good for me i think.
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Old Dec 21, 2004 | 08:32 AM
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anything that rotates should be balanced.
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Old Dec 21, 2004 | 10:37 AM
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I think he means what kind of spec do machine shops try and balance to... I think a gram or two is pretty good. I dont think you need to get it anywhere near as accurate as hundredths or thousandths of a gram. 7K rpm is nothing compared to the 100K+ RPM in turbos.
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