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Don't know if they are the same but on our VMC 1000s the orient is detected by a belt driven encoder. The same encoder provides RPM info to the control.
Are you saying that it don't orient at all or just does it to the wrong location?
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I've recently moved a Bridgeport XR 1000 and now the spindle won't orient. I'm not familiar with the sensors that are used and the manuals are mostly useless. I've been pulling my hair out for weeks now so any help would be appreciated.
Don't know if they are the same but on our VMC 1000s the orient is detected by a belt driven encoder. The same encoder provides RPM info to the control.
Are you saying that it don't orient at all or just does it to the wrong location?
When i try to change tools or manually orient the spindle it spins a few revolutions then alarms out 9082 SPN everything else seems to work so I'm thinking whatever sensor it has for the orient is out of adjustment.
If you swing the door to the right of the headstock casting and then take the "chrome" cover off the front of the head. You should see a prox sensor mounted to a powder coated sheet metal cover. This is used for spindle orient. It detects a hex bolt mounted to the spindle directly then uses parameter 1470 as a "grid shift" from that. Depending on what value is in that parameter equals how far the spindle rotates after it see that prox. That switch goes to a junction box behind/ above the spindle motor. Hope this helps you!
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