Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 20-40 minutes

Alarm 10774

Siemens 840D 10774 - Channel illegal tool dimensions with face cutting in block

This alarm occurs when illegal tool dimensions are programmed for face milling, e.g. negative tool radius, rounding radius zero or negative for tool types that require a rounding radius, taper angle zero or negative for tapered tools.

Siemens SINUMERIKServo/AxisIntermediate20-40 minutes

10774

Siemens 840D 10774 - Channel illegal tool dimensions with face cutting in block

Channel illegal tool dimensions with face cutting in block

This alarm occurs when illegal tool dimensions are programmed for face milling, e.g. negative tool radius, rounding radius zero or negative for tool types that require a rounding radius, taper angle zero or negative for tapered tools.

Safety

  • Refer to Siemens documentation
  • Ensure qualified technician performs repairs

Common Causes

  • Negative tool radius value programmed in tool offset table
  • Rounding radius set to zero or negative value for tool types requiring radius compensation
  • Taper angle set to zero or negative for tapered cutting tools
  • Tool offset data corrupted or incorrectly imported from CAM system
  • Incompatible tool geometry parameters for selected face milling operation

Troubleshooting Steps

  1. 1Verify tool offset table entries in the active channel; check tool radius, rounding radius, and taper angle values are positive and meet tool type requirements
  2. 2Review the NC program block referenced in the alarm for tool selection and geometry specifications; cross-reference with physical tool inventory
  3. 3Access tool management and confirm all dimensional parameters comply with tool type definitions; correct any negative or zero values that should be positive
  4. 4Re-import or re-enter tool offset data from CAM system if values appear corrupted; validate against original tool specifications
  5. 5Simulate program execution in dry-run mode to confirm alarm clears after parameter corrections

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