280-04B0

Check active coordinate transformations

Press MANUAL OPERATION mode, then MOD key to access current transformations. Look for active PLANE functions in the transformation overview.

The transformation overview shows all active coordinate rotations - PLANE functions will be listed with their current angles.

Cancel PLANE function before retraction

Program PLANE RESET before any automatic tool change or retraction sequence. Insert this command in your NC program before M6 or retraction cycles.

Always verify tool position after PLANE RESET to ensure safe retraction path.

Modify retraction strategy

Use manual retraction with L commands instead of automatic retraction when working with rotated coordinate systems, or restructure program to avoid PLANE during tool changes.

Check spindle orientation programming

Review NC program for SPA, SPB, SPC commands. Check if these rotations are active during M6 tool change commands.

Use the program test mode to step through and identify where rotations become active relative to tool changes.

Reset spindle orientation

Program SPA0 SPB0 SPC0 before M6 commands to reset spindle orientation to machine coordinate system alignment.

Ensure adequate clearance exists after resetting spindle orientation before executing tool change.

Verify machine parameter settings

Check machine parameter MP7440 (tool change behavior) and related MP7xxx parameters for tool change sequence configuration that may conflict with coordinate rotations.

Check Cycle 19 status

In MANUAL mode, check the soft key menu for active cycles. Look for Cycle 19 indicators in the coordinate transformation display.

Cycle 19 remains active until explicitly cancelled - it doesn't automatically reset at program end.

Cancel working plane tilt

Program CYCL DEF 19.0 or use M02/M30 with appropriate machine parameters to cancel the working plane tilt before retraction operations.

Restructure machining sequence

Complete all operations in the tilted plane before cancelling Cycle 19, then perform tool changes and retractions in the machine coordinate system.

Access machine parameters

Enter MOD mode, select machine parameters, and navigate to MP7440-MP7460 range for tool change behavior parameters.

Machine parameter changes require appropriate access level and should be documented before modification.

Check coordinate transformation parameters

Verify MP7441 (coordinate system during tool change) and MP7442 (transformation reset behavior) settings match machine requirements and manufacturer specifications.

Test parameter changes

After any parameter modifications, test with a simple program containing coordinate rotations and tool changes to verify proper operation before production use.

Keep a backup of original parameter values and test incrementally to isolate the specific parameter causing the issue.