11: TROUBLESHOOTING
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Specifications subject to change without notice.
Page 221 UM10811: 1500MX Operator's Manual (Version 0424A)
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11.9 SPINDLE DRIVE SUBSYSTEM
The machine's spindle is driven by a servo motor controlled by the DR1 servo drive.
The spindle is in a ready-to-run condition when:
1. The control power is on.
2. The machine is reset.
3. The enclosure doors are closed.
4. The spindle brake resistor thermal switch isn't tripped.
To troubleshoot the spindle drive subsystem, read the following:
11.9.1 The Spindle Won't Turn 221
11.9.2 Machining Operations are Loud ("Chattery") 223
11.9.3 Can't Load or Unload a Tool, or the Spindle's Drawbar Drags Against the Power Drawbar Cylinder's Piston Bolt 225
11.9.4 Spindle Rotates on Contact, or Spindle Isn't Rigidly Clamped 226
11.9.5 Spindle Doesn't Orient Correctly or consistently 227
11.9.1 The Spindle Won't Turn
Cause: The motor runs, but the spindle doesn’t turn.
Probability How-To Steps Need More?
Low
Examine the spindle belt for wear or damage.
If the display on the servo drive is on,
the belt may be loose or broken. You'll
hear the spindle motor running.
Cause: There's no power to the spindle servo drive.
Probability How-To Steps Need More?
—
Examine the servo drive display: it has power if its indicator lights are on.
When power is removed, the servo
drive display remains active until the
internal capacitors dissipate their
energy. That usually takes about five
seconds.
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