Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 20-45 minutes

Alarm 61558

Siemens 840D 61558 - Channel block: Chamfer / radius + shoulder height are less than

The alarm can be triggered by the following grinding cycle: CYCLE432 Remedy: Check values in grinding wheel data

Siemens SINUMERIKServo/AxisIntermediate20-45 minutes

61558

Siemens 840D 61558 - Channel block: Chamfer / radius + shoulder height are less than

Channel block: Chamfer / radius + shoulder height are less than

The alarm can be triggered by the following grinding cycle: CYCLE432 Remedy: Check values in grinding wheel data

Safety

  • Refer to Siemens documentation
  • Ensure qualified technician performs repairs

Common Causes

  • Chamfer or radius value set smaller than shoulder height in CYCLE432 parameters
  • Incorrect grinding wheel data assignment or values in the active tool offset
  • Shoulder height parameter exceeds the combined chamfer and radius dimensions
  • Grinding wheel compensation values not synchronized with cycle geometry requirements
  • Tool data from previous job not cleared before loading new grinding cycle

Troubleshooting Steps

  1. 1Verify CYCLE432 parameters: confirm chamfer/radius total is greater than shoulder height value
  2. 2Check active grinding wheel data in tool table - review offset and compensation values
  3. 3Compare programmed dimensions against physical tool geometry and wheel specifications
  4. 4Clear tool offsets and reload grinding wheel data from verified reference values
  5. 5Simulate cycle with graphics enabled to visualize tool path geometry before execution

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