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#1
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| everytime i start the cutting process no matter what the z depth is it plunges to the max depth which in turn either locks my mill up or takes the piece of wood with it any suggestions is it a set up issue or am i just missing something |
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#2
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| Sounds like probably a G43 tool height compensation issue? Can you post the g-code, and let us know where it's plunging?
__________________ Gerry Mach3 2010 Screenset http://home.comcast.net/~cncwoodworker/2010.html (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |
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#3
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| The router plunges at the very beginning of the cycle .The beginning of the g code is % O0001(LION V.NC) N1 G00 G17 G20 G40 G49 G80 G90 N2 T1 M6 (CONIC-F 1/8 - DEG 15 - FLAT 0.01 ) N3 G00 X0. Y0. M03 N4 G43H1 Z0.1 M8 N5 G01 Z-0.2 F20000 **** I think it is here N6 X2.4167 N7 Y0.0139 N8 Y0.0249 N9 X0. N10 Y0.0417 N11 Y0.0497 N12 X2.4167 N13 Y0.0746 N14 X0. N15 Y0.0833 N16 Y0.0995 N17 X2.4167 N18 Y0.1111 N19 Y0.1244 N20 X0. N21 Y0.1389 N22 Y0.1492 N23 X2.4167 N24 Y0.1667 N25 Y0.1741 N26 X0. N27 Y0.199 N28 X2.4167 N29 Y0.2083 N30 Y0.2239 N31 X0.9167 N32 X0.9028 Z-0.1923 N33 X0.8889 Z-0.1765 N34 X0.875 Z-0.2 |
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#4
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| Couple questions. Where is your Z zero set to? What is the Z DRO position when it's plunging? Why is the feedrate 20000? Try changing N4 G43H1 Z0.1 M8 to N4 M8 and see if it still does it. If it does, it's the G43 tool length comp.
__________________ Gerry Mach3 2010 Screenset http://home.comcast.net/~cncwoodworker/2010.html (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |
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#5
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z zero is top of work piece. z dro reads -.2 when plunging, Tried your advice corrected feed rate to 60 and put in N4M8 Still plunges . How do I change G43 tool compensation length . thanks again |
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#6
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| Under the Mach3 "config" "tool table" Menu do you have any tool offsets in there? If you are not using tool offsets everything should be "0" You said that the DRO reads -.2 but the machine goes lower than that? Are you looking at Machine Cords in the DRO? Jeff T. http://www.3dcarvestudio.com |
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