haas mini mill small vibration

R

Rick @G Machine

Plastic

Joined

Aug 16, 2007

Location

Wi

• Sep 13, 2007

• #1

It is a 2002 with less than 400 hours. When I set it up i some times notice the x y z load starts jumping around a bit maybe 5% or so. It will sit just fine but if you do a tool change the z will start to act up. If you pull on the vice or tighten a clamp the x and y will start up. For now i have been going to manual jog move the axis that is acting up a few thou and it stops. It acts like its fighting itself to stay still. Anyone else had this problem?

 

C

CTS Precision

Plastic

Joined

Mar 19, 2007

Location

Rochester

• Sep 13, 2007

• #2

Sounds like like might need an adjustment on your drives. Possibly servo gain??

 

S

Seekins

Stainless

Joined

Jan 10, 2005

Location

Lewiston ID

• Sep 13, 2007

• #3

Mine does that in the Y. I have called and tried changing gain setings many times. it got a bit better, but never went away. It doesnt seem to effect anything, but it sure is annoying.

 

fmari --MariTool-

Titanium

Joined

Nov 15, 2005

Location

Illinois

• Sep 13, 2007

• #4

Check the 12v dc power supply. It is very common for them to go out. Some of them have a little screw you can turn to get more voltage. I think a new on is $300. Plugs with yellow black and white go from the power supply to each servo drive. From black to white or yellow I forget, you should see 12.5 volts-13.5 volts. Any under and the machine can act funny.

 

M

MRJ

Plastic

Joined

Jun 24, 2006

Location

UT

• Sep 13, 2007

• #5

Our 2006 machine does this in x. I have called the HFO and they say it is normal on a mini mill. I think it is a bs answer but they have it reported twice from me. If we have a problem in the future we can go back to those reports.

 

P

PBMW

Titanium

Joined

Aug 13, 2005

Location

Bremerton, Wa

• Sep 13, 2007

• #6

My 2000 does not do this. It is a servo adjustment issue. That is complete and utter BS for them to tell you that it's normal on a minimill. I bet if you told them your VF7 was doing that too that then they'd tell you THAT was normal too....

 

S

Seekins

Stainless

Joined

Jan 10, 2005

Location

Lewiston ID

• Sep 13, 2007

• #7

When i spoke with them they said it was the gain setting or something like that. The option is to have it set at 1 or 0, but both couldnt mach. It doesnt matter what i set mine to, it still hummus. If i jog the table .0001 it settles down and acts normal.

 

P

PBMW

Titanium

Joined

Aug 13, 2005

Location

Bremerton, Wa

• Sep 13, 2007

• #8

I think it's a trim pot on the servo board. Not just a setting in the control

 

R

Rick @G Machine

Plastic

Joined

Aug 16, 2007

Location

Wi

• Sep 14, 2007

• #9

Thanks for the info everyone! I will see what I can find out and keep you posted.