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Chatter on Hass machine


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Hi Everyone . I'm having a problem with chatter on hass machine using all my tools . It just started yesterday .

It real shows up when your face milling not so much when your surfacing . I checked for backlash on X and Y and it's .001 .

So I'm thinking it may be the drawbar ? The machine is a Vf 1  .... 2004 . It's not the tool because I switched  tools with other

machine and still have the problem .  Thanks for any help .

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7 hours ago, KMartin said:

You can move the the tool .015 buy hand when clamped in spindle .

Any help on a fix . Up not down .

Just the tool or does the spindle face move as well. I ask because my experience with HAAS was that when the Z axis guides/ways get some wear the head droops and you get chatter when face milling, especially in Y+ direction.

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Thanks for the help everyone . we removed the spindle and pressed the top bushing to take

out the play in spindle .We have reinstalled the spindle but the belts back on .

Now I need to orientate spindle for tool change  . Any help would be appreciated .

Thanks  

 

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