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Measurement makes part shaking


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Hi
It shakes while its measured its one of our biggest parts on our duramax
its shaking about 1~1.5 mm while measuring, moustly while its in directions betwen X- and Y- or X+ and Y+
Its very fast like percussion drill

We have some old programs made with navigator and its now unavailable option here (whatever it is) so we allways saving programs with erarsing Navigator datas.

is it a machine program or is it may be changed by program ?
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Just some wild guesses...

First make sure the CMM base is sitting on the floor without rocking. Preferably it should be bolted down.

Then make sure the base and CMM do not rock.

A possible option is to qualify the stylus with Probing Dynamic at 50% and see if that helps.
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I had a part do that once. The part was about 3.5" tall and the width was very narrow. I ended up having to put it on a magnetic chuck.
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You may want to check the speed for all the features and probably have to slow down the speed. When "saving programs with erasing Navigator datas" doesn't seem to properly change the speed automatically. Also, check your set up to make sure it's securely fixtured. Hope this helps!
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Thank you for replies
The machine is not bolted to flor
i cleaned under fixture and granite it was many chips there and its not perfect but its not bad now
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