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#1
 
10-06-2009, 08:19 AM
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| VM-40 twitchy spindle VM-40 circa 1987 has a twitchy spindle just after a tool change or spindle orientation command. Can anyone suggest a reason for this?    |
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#2
10-11-2009, 11:20 PM
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| What type of control is on it? Usually, it is a pre-amp that is going out, if Fanuc controls. There is a black box on the top of the spindle. It goes to the spindle sensor. |
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#3
10-12-2009, 08:41 AM
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| Control is a Seicos Mk 2. The spindle twitches mainly after a long period of inaction. Can you elaborate further on the pre-amp? |
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