UNSOLVED Strange movement behaviour in tfreex.g files



  • Hi everyone!

    I have just upgraded my firmware from RRF 3.0 to 3.1.1 and found out that there is a strange movement in the tfreex files. It moves upwards after the last G1 Z-2 command in the tfreex.files.

    tpre0.g

    M400

    G91
    G1 Z2
    G90

    G1 X-30 F12000
    G1 X-39.5 F1000
    G4 P300
    M280 P0 S155
    G4 P300
    G1 X-30 F12000

    ;G91 ; commented out, the user Z coordinate is restored immediately
    ;G1 Z-2
    ;G90

    and this is the tfree0.g

    G91
    G1 Z2
    G90

    G53 G1 X-30 F12000
    G53 G1 X-39.5 F1000
    G4 P300
    M280 P0 S60
    G4 P300
    G53 G1 X-30 F12000

    G91
    G1 Z-2
    G90

    I look forward to your help. Thanks!



  • I've also tried with a M400 command but it did not help me.


  • administrators

    @sykb said in Strange movement behaviour in tfreex.g files:

    I have just upgraded my firmware from RRF 3.0 to 3.1.1 and found out that there is a strange movement in the tfreex files. It moves upwards after the last G1 Z-2 command in the tfreex.files.

    Is it cancelling the Z offset of the tool being freed?



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  • @dc42 I think yes. The Z offset is 0.89 mm. This is the code in the macro file:

    G10 P0 X-32.85 Y-2 Z0.89 L1



  • @dc42 it also happens to the tprex.g files, but it moves downwards after the last G1 Z-2 command instead of upwards. Is it because of the Z offset that being applied and cancelled after a tool change?



  • This post is deleted!

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