Author Topic: Tool offset dropped by wizards and G code. Z goes through material not to 0  (Read 1790 times)

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Offline GMcG

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I am having a similar problem to someone who posted a couple of years ago but no one responded. 
After Referencing XY andZ axis to their home positions, I create a G 52 work offset on my material. All works well as far as G 52 work offsets, and the referenced tool going to the G52 zero position when I select "Go to Zero".  But as soon as I load g code from BobCad and or some of the Mach 3 Wizards, some how the tool offset gets dropped and if I don't stop the Z axis it will go all the way through the machining wax I am playing with. I have already ruined a diamond tipped engraving tool as a result of this.  I have checked and rechecked the g code and BobCad says the G code is fine and that it has to be a Mach 3 setting some where.  I cannot figure out where. 

I would really like to get this cleared up so if someone could please call me or give me a number to contact you I would appreciate it a lot.


Offline GMcG

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I understand there will be a $45/ hr charge.

Offline GMcG

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Further to my request for phone support, please find a G-Code file generated by Bob CAD/CAM for a simple 4 letter engraving.  This program is the latest one that I have tried and which will bury the tool into the material and which turns off tool offset.  I figured that you would want to see and example of a program that didn't work at some point.

(MTOOL T3 S1 D.001 C0. A0. H1.5)
(SBOX X0. Y-3.068 Z-1.15 L3.48 W3.068 H1.15)

(DATE - FRI. 07/24/2015)
(TIME - 10:32AM)

N01 G20 G40 G49 G54 G80 G90 G91.1
;N02 G53 Z0.

;N03 T3 M6
N04 S1 M03
N05 G00 G90 G54 X1.565 Y-1.3763
;N06 G43 H3 Z1. M08
N07 Z.2
N08 Z.1
N09 G01 Z-.005 F.0014
N10 Y-1.7263 F.0029
N11 X1.615
N12 Y-1.538
N13 G17 G02 X1.6249 Y-1.4701 I.2373 J0.
N14 X1.6334 Y-1.4513 I.0741 J-.0221
N15 X1.6499 Y-1.4342 I.0487 J-.0305
N16 X1.6773 Y-1.4263 I.0256 J-.0377
N17 X1.7142 Y-1.4375 I-.0031 J-.0768
N18 G01 X1.7317 Y-1.3867
N19 G03 X1.6795 Y-1.3763 I-.053 J-.1296
N20 X1.6442 Y-1.3881 I-.0003 J-.0577
N21 X1.631 Y-1.4017 I.0512 J-.0627
N22 X1.615 Y-1.426 I.1664 J-.1269
N23 G01 Y-1.3763
N24 X1.565
N25 G00 Z.2
N26 X1.4817 Y-1.493
N27 Z.1
N28 G01 Z-.005 F.0014
N29 X1.2817 F.0029
N30 Y-1.543
N31 X1.4317
N32 Y-1.6287
N33 G02 X1.4034 Y-1.6464 I-.1008 J.1296
N34 X1.363 Y-1.6632 I-.1518 J.3081
N35 X1.2528 Y-1.6743 I-.0788 J.23
N36 X1.1895 Y-1.6564 I.0291 J.2241
N37 X1.1694 Y-1.6456 I.0658 J.1469
N38 X1.1232 Y-1.5979 I.075 J.1187
N39 X1.1085 Y-1.5647 I.1401 J.0821
N40 X1.1009 Y-1.5309 I.1943 J.0614
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N71 X1.4817 Y-1.6573 I-.1385 J.3304
N72 G01 Y-1.493
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N74 X1.815 Y-1.5096
N75 Z.1
N76 G01 Z-.005 F.0014
N77 G02 X1.8253 Y-1.4739 I.0877 J-.0059 F.0029
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N88 Z.1
N89 G01 Z-.005 F.0014
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N105 X1.8672 Y-1.7188 I.0934 J.096
N106 X1.9202 Y-1.7263 I.0509 J.1692
N107 X1.9733 Y-1.7193 I.0024 J.1867
N108 X2.0169 Y-1.6974 I-.0349 J.1239
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N123 G01 Z-.005 F.0014
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N141 X2.2637 Y-1.4263 I.0627 J-.0658
N142 G00 Z.2
N143 X2.415 Y-1.6759
N144 Z.1
N145 G01 Z-.005 F.0014
N146 Y-1.3763 F.0029
N147 X2.365
N148 Y-1.4263
N149 G03 X2.3418 Y-1.4027 I-.1149 J-.0899
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N159 X2.2174 Y-1.7191 I.0939 J.0819
N160 X2.2673 Y-1.7263 I.0478 J.1543
N161 X2.3421 Y-1.7 I.0014 J.1153
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N163 G02 X2.3635 Y-1.7285 I-.6465 J-.0081
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N184 G00 Z.2
N185 Z1.
N186 M09
N187 M05
;N188 G53 Z0.
;N189 G53 Y0.
N190 M30