[kayakman]

Hi
Does anyone know if Mach3 has a radius compensation function or do I have to do this with a CAM program?

I´m trying to cut a wing profil in 2D from a dxf file.


Best regards / Anders Molin

[ger21]

Yes, it has G41/G42 cutter compensation. You need a lead-in move for the compensation to take place.

[kayakman]

How does it work.
I tried the G41 and G42 comand btu it cutted something very unsimilar to what I was expecting. I changed all the G1 to G42 in my g-code and tested. is this wrong?

[ger21]

Yes, that's wrong. Can you post your code, or a .dxf?

[kayakman]

Here is the code

I have modified it as I think it should look

*************
(File profile_MH32_150.tap )
(Friday, November 24, 2006)
G90G80G49
G0 Z6.0000
G90.1
S1000
G0 Z6.0000
G42 D4.0
G0 X1.1494 Y6.0771
M3
F60.000G1 Z0.0000
F100.000G1 X19.1021 Y6.0771
G1 X20.6719 Y5.9743
G1 X21.8814 Y5.7371
G1 X22.2274 Y5.6081
G1 X22.5814 Y5.4991
G1 X23.1084 Y5.3421
G1 X23.6364 Y5.1911
G1 X24.1664 Y5.0481
G1 X24.6984 Y4.9171
G1 X25.4114 Y4.7641
G1 X26.1294 Y4.6321
G1 X26.8504 Y4.5181
G1 X27.5744 Y4.4161
G1 X28.4754 Y4.2991
G1 X29.3774 Y4.1941
G1 X30.2794 Y4.0981
G1 X31.1834 Y4.0121
G1 X32.2614 Y3.9211
G1 X33.3394 Y3.8421
G1 X34.4184 Y3.7721
G1 X35.4984 Y3.7111
G1 X36.7444 Y3.6491
G1 X37.9904 Y3.5961
G1 X39.2364 Y3.5511
G1 X40.4834 Y3.5131
G1 X41.8864 Y3.4781
G1 X43.2884 Y3.4511
G1 X44.6914 Y3.4301
G1 X46.0954 Y3.4161
G1 X47.6414 Y3.4061
G1 X49.1864 Y3.4031
G1 X50.7314 Y3.4051
G1 X52.2774 Y3.4121
G1 X53.9514 Y3.4241
G1 X55.6254 Y3.4411
G1 X57.2984 Y3.4631
G1 X58.9724 Y3.4881
G1 X60.7564 Y3.5201
G1 X62.5394 Y3.5541
G1 X64.3224 Y3.5931
G1 X66.1064 Y3.6341
G1 X67.9804 Y3.6811
G1 X69.8534 Y3.7311
G1 X71.7264 Y3.7841
G1 X73.6004 Y3.8391
G1 X75.5444 Y3.8981
G1 X77.4874 Y3.9591
G1 X79.4294 Y4.0231
G1 X81.3734 Y4.0881
G1 X83.3644 Y4.1571
G1 X85.3544 Y4.2271
G1 X89.3354 Y4.3731
G1 X93.3664 Y4.5252
G1 X97.3964 Y4.6813
G1 X99.4144 Y4.7603
G1 X103.4483 Y4.9205
G1 X115.4003 Y5.4007
G1 X121.2522 Y5.6329
G1 X125.0162 Y5.7797
G1 X126.8982 Y5.8521
G1 X128.7812 Y5.9225
G1 X130.5712 Y5.9899
G1 X132.3622 Y6.0553
G1 X134.1521 Y6.1197
G1 X135.9431 Y6.1831
G1 X137.6201 Y6.2405
G1 X139.2971 Y6.2968
G1 X140.9741 Y6.3522
G1 X142.6511 Y6.4046
G1 X144.1931 Y6.4519
G1 X145.7341 Y6.4972
G1 X147.2761 Y6.5406
G1 X148.8180 Y6.5819
G1 X150.2030 Y6.6182
G1 X151.5880 Y6.6515
G1 X152.9730 Y6.6838
G1 X154.3590 Y6.7141
G1 X155.5690 Y6.7384
G1 X156.7790 Y6.7606
G1 X157.9890 Y6.7809
G1 X159.1990 Y6.7992
G1 X160.2170 Y6.8124
G1 X161.2340 Y6.8246
G1 X161.4838 Y6.8271
G1 X190.8244 Y6.8271
G1 X190.8244 Y8.3271
G1 X160.2488 Y8.3271
G1 X159.4582 Y8.4522
G1 X157.1623 Y8.8185
G1 X156.0143 Y9.0027
G1 X154.8663 Y9.1858
G1 X153.5673 Y9.3940
G1 X150.9704 Y9.8061
G1 X149.6714 Y10.0111
G1 X148.2424 Y10.2351
G1 X146.8134 Y10.4581
G1 X145.3834 Y10.6791
G1 X143.9534 Y10.8971
G1 X142.4114 Y11.1301
G1 X140.8694 Y11.3591
G1 X139.3274 Y11.5841
G1 X137.7834 Y11.8051
G1 X136.1464 Y12.0341
G1 X134.5084 Y12.2581
G1 X132.8704 Y12.4771
G1 X131.2304 Y12.6911
G1 X129.5114 Y12.9091
G1 X127.7914 Y13.1211
G1 X126.0714 Y13.3261
G1 X124.3494 Y13.5261
G1 X122.5634 Y13.7271
G1 X120.7774 Y13.9211
G1 X118.9904 Y14.1091
G1 X117.2024 Y14.2911
G1 X115.3664 Y14.4711
G1 X113.5304 Y14.6441
G1 X111.6934 Y14.8121
G1 X109.8554 Y14.9731
G1 X107.9884 Y15.1311
G1 X106.1214 Y15.2831
G1 X104.2544 Y15.4301
G1 X102.3854 Y15.5701
G1 X100.5104 Y15.7041
G1 X98.6344 Y15.8321
G1 X96.7594 Y15.9531
G1 X94.8824 Y16.0661
G1 X93.0184 Y16.1711
G1 X91.1554 Y16.2681
G1 X89.2914 Y16.3571
G1 X87.4264 Y16.4381
G1 X85.5894 Y16.5091
G1 X83.7534 Y16.5711
G1 X81.9164 Y16.6261
G1 X80.0784 Y16.6711
G1 X78.2884 Y16.7081
G1 X76.4994 Y16.7361
G1 X74.7094 Y16.7551
G1 X72.9194 Y16.7641
G1 X71.1934 Y16.7641
G1 X69.4674 Y16.7531
G1 X67.7424 Y16.7331
G1 X66.0164 Y16.7021
G1 X64.3674 Y16.6631
G1 X62.7204 Y16.6131
G1 X61.0734 Y16.5521
G1 X59.4254 Y16.4821
G1 X57.8694 Y16.4051
G1 X56.3154 Y16.3181
G1 X54.7614 Y16.2201
G1 X53.2084 Y16.1111
G1 X51.7604 Y15.9981
G1 X50.3154 Y15.8741
G1 X48.8704 Y15.7371
G1 X47.4274 Y15.5891
G1 X46.0994 Y15.4401
G1 X44.7744 Y15.2791
G1 X43.4514 Y15.1061
G1 X42.1294 Y14.9191
G1 X40.9314 Y14.7371
G1 X39.7364 Y14.5431
G1 X38.5434 Y14.3361
G1 X37.3534 Y14.1141
G1 X36.2944 Y13.9031
G1 X35.2384 Y13.6801
G1 X34.1854 Y13.4421
G1 X33.1364 Y13.1891
G1 X32.2244 Y12.9551
G1 X31.3164 Y12.7071
G1 X30.4124 Y12.4441
G1 X29.5124 Y12.1651
G1 X28.7504 Y11.9131
G1 X27.9924 Y11.6471
G1 X27.2424 Y11.3651
G1 X26.4984 Y11.0651
G1 X25.8924 Y10.8041
G1 X25.2934 Y10.5281
G1 X24.7004 Y10.2351
G1 X24.1144 Y9.9221
G1 X23.6564 Y9.6601
G1 X23.2084 Y9.3831
G1 X22.7764 Y9.0921
G1 X22.3634 Y8.7841
G1 X22.0744 Y8.5451
G1 X21.3127 Y8.0671
G1 X20.4992 Y7.7411
G1 X19.1021 Y7.5771
G1 X1.1494 Y7.5771
G1 X1.1494 Y6.0771
M5
G0 Z6.0000
G0 X0 Y0
M5M30
**************

What do you think?

Is the G comand right if I write:

G 42 D4.0

Radius compensation right and for a tool with diameter 4 mm

Have I missunderstod it?

Best regards / anders m

[ger21]

You shoud have a G0 or G1 with X and Y coordinates before the G42, at least the cutter diameter away from the line after the G42. The offset is applied during the move from that location to the line after the G42.

And the Syntax is either
G42 Dx
where x is the tool # in the tool table
or
G42 P2.0 for a tool with a radius of 2mm or diameter of 4mm

D is tool #
P is tool radius

[ger21]

You should also add a G40 at the start of your code. If you stop in the middle and restart, the G42 will still be in effect. The G40 resets it before you start running code.

[kayakman]

Would this be right if tool #1 in my tooltable have a diameter of 4 mm?

Best regards / Anders Molin

***********
(File profile_MH32_150.tap )
(Friday, November 24, 2006)
G90G80G49
G0 Z6.0000
G90.1
S1000
G0 Z6.0000
G0 X1.1494 Y2.0771
G42 D1
G0 X1.1494 Y6.0771
M3
F20.000
G1 Z0.0000
F40.000
G1 X19.1021 Y6.0771
G1 X20.6719 Y5.9743
G1 X21.8814 Y5.7371
G1 X22.2274 Y5.6081
G1 X22.5814 Y5.4991
G1 X23.1084 Y5.3421
G1 X23.6364 Y5.1911
G1 X24.1664 Y5.0481
G1 X24.6984 Y4.9171
G1 X25.4114 Y4.7641
G1 X26.1294 Y4.6321
...
..
.
****************

[kayakman]

Tested some minute ago and it worked perfect Thanks for the advices.

Best regards / Anders Molin

[ger21]

I couldn't reply as you posted at 3:00AM my time. Glad it's working.

[kayakman]

The radius compensation worked fine as I mentioned earlier but now a new problem have arised. I have added three more profiles to cut in the same code and the three first (the old one and the two first of the new ones) cutts nicly. On the bottom part of the fourth one the machine freezes with a high pitch noice. I have tried to reposition the origo to see if the problem is machine oriented but the fault comes on the same place all the time. I have tested to look at the code but can´t find any thing wrong

I run a Xylotex four axis driver card and uses Mach3 on it.

What can be the fault????????

I´m clueless

Here is the code and the problem arises some where around line 790.
************************************************** ******
(File wingtemplats_miniF5B_02.tap )
(Tuesday, November 28, 2006)
G90G80G49
G0 Z10.0000
G90.1
S0
G0 Z10.0000
G0 X14.6321 Y6.8397
G42 D1
G0 X14.6321 Y10.8397
M3
F100G1 Z-1.0000
F300G1 X35.5113 Y10.8397
G1 X35.6891 Y10.7497
G1 X36.0351 Y10.6207
G1 X36.3891 Y10.5117
G1 X36.9161 Y10.3547
G1 X37.4441 Y10.2037
G1 X37.9741 Y10.0607
G1 X38.5061 Y9.9297
G1 X39.2191 Y9.7767
G1 X39.9371 Y9.6447
G1 X40.6581 Y9.5307
G1 X41.3821 Y9.4287
G1 X42.2831 Y9.3117
G1 X43.1851 Y9.2067
G1 X44.0871 Y9.1107
G1 X44.9911 Y9.0247
G1 X46.0691 Y8.9337
G1 X47.1471 Y8.8547
G1 X48.2261 Y8.7847
G1 X49.3061 Y8.7237
G1 X50.5521 Y8.6617
G1 X51.7981 Y8.6087
G1 X53.0441 Y8.5637
G1 X54.2911 Y8.5257
G1 X55.6941 Y8.4907
G1 X57.0961 Y8.4637
G1 X58.4991 Y8.4427
G1 X59.9031 Y8.4287
G1 X61.4491 Y8.4187
G1 X62.9941 Y8.4157
G1 X64.5391 Y8.4177
G1 X66.0851 Y8.4247
G1 X67.7591 Y8.4367
G1 X69.4331 Y8.4537
G1 X71.1061 Y8.4757
G1 X72.7801 Y8.5007
G1 X74.5641 Y8.5327
G1 X76.3471 Y8.5667
G1 X78.1301 Y8.6057
G1 X79.9141 Y8.6467
G1 X81.7881 Y8.6937
G1 X83.6611 Y8.7437
G1 X85.5341 Y8.7967
G1 X87.4081 Y8.8517
G1 X89.3521 Y8.9107
G1 X91.2951 Y8.9717
G1 X93.2371 Y9.0357
G1 X95.1811 Y9.1007
G1 X97.1721 Y9.1697
G1 X99.1621 Y9.2397
G1 X101.1521 Y9.3127
G1 X103.1431 Y9.3858
G1 X105.1591 Y9.4618
G1 X107.1741 Y9.5378
G1 X109.1881 Y9.6158
G1 X111.2041 Y9.6939
G1 X113.2221 Y9.7730
G1 X115.2391 Y9.8530
G1 X117.2561 Y9.9331
G1 X119.2741 Y10.0142
G1 X121.2701 Y10.0944
G1 X123.2661 Y10.1746
G1 X125.2611 Y10.2547
G1 X127.2571 Y10.3349
G1 X129.2081 Y10.4133
G1 X131.1581 Y10.4907
G1 X133.1090 Y10.5681
G1 X135.0600 Y10.6456
G1 X136.9420 Y10.7190
G1 X138.8240 Y10.7924
G1 X140.7060 Y10.8648
G1 X142.5890 Y10.9352
G1 X144.3789 Y11.0026
G1 X146.1699 Y11.0680
G1 X147.9599 Y11.1324
G1 X149.7509 Y11.1957
G1 X151.4279 Y11.2531
G1 X153.1049 Y11.3095
G1 X154.7819 Y11.3648
G1 X156.4589 Y11.4172
G1 X158.0008 Y11.4645
G1 X159.5418 Y11.5099
G1 X161.0838 Y11.5532
G1 X162.6258 Y11.5945
G1 X164.0108 Y11.6308
G1 X165.3958 Y11.6641
G1 X166.7808 Y11.6964
G1 X168.1668 Y11.7267
G1 X169.3768 Y11.7510
G1 X170.5868 Y11.7733
G1 X171.7968 Y11.7935
G1 X173.0068 Y11.8118
G1 X174.0248 Y11.8250
G1 X175.0418 Y11.8372
G1 X176.0598 Y11.8475
G1 X177.0778 Y11.8567
G1 X177.8888 Y11.8619
G1 X178.6988 Y11.8660
G1 X179.5088 Y11.8692
G1 X180.3198 Y11.8704
G1 X180.9111 Y11.8397
G1 X181.5011 Y11.8397
G1 X182.0921 Y11.8387
G1 X182.6831 Y11.8377
G1 X183.0471 Y11.8367
G1 X183.4101 Y11.8347
G1 X183.7741 Y11.8327
G1 X184.1371 Y11.8477
G1 X184.2611 Y11.8457
G1 X184.3851 Y11.8437
G1 X184.5081 Y11.8417
G1 X184.6321 Y11.8397
G1 X204.6321 Y11.8397
G1 X204.6321 Y13.8397
G1 X170.9165 Y13.8397
G1 X169.8221 Y14.0153
G1 X168.6741 Y14.1984
G1 X167.3751 Y14.4066
G1 X166.0761 Y14.6127
G1 X164.7781 Y14.8187
G1 X163.4791 Y15.0237
G1 X162.0501 Y15.2477
G1 X160.6211 Y15.4707
G1 X159.1911 Y15.6917
G1 X157.7611 Y15.9097
G1 X156.2191 Y16.1427
G1 X154.6771 Y16.3717
G1 X153.1351 Y16.5967
G1 X151.5911 Y16.8177
G1 X149.9541 Y17.0467
G1 X148.3161 Y17.2707
G1 X146.6781 Y17.4897
G1 X145.0381 Y17.7037
G1 X143.3191 Y17.9217
G1 X141.5991 Y18.1337
G1 X139.8791 Y18.3387
G1 X138.1571 Y18.5387
G1 X136.3711 Y18.7397
G1 X134.5851 Y18.9337
G1 X132.7981 Y19.1217
G1 X131.0101 Y19.3037
G1 X129.1741 Y19.4837
G1 X127.3381 Y19.6567
G1 X125.5011 Y19.8247
G1 X123.6631 Y19.9857
G1 X121.7961 Y20.1437
G1 X119.9291 Y20.2957
G1 X118.0621 Y20.4427
G1 X116.1931 Y20.5827
G1 X114.3181 Y20.7167
G1 X112.4421 Y20.8447
G1 X110.5671 Y20.9657
G1 X108.6901 Y21.0787
G1 X106.8261 Y21.1837
G1 X104.9631 Y21.2807
G1 X103.0991 Y21.3697
G1 X101.2341 Y21.4507
G1 X99.3971 Y21.5217
G1 X97.5611 Y21.5837
G1 X95.7241 Y21.6387
G1 X93.8861 Y21.6837
G1 X92.0961 Y21.7207
G1 X90.3071 Y21.7487
G1 X88.5171 Y21.7677
G1 X86.7271 Y21.7767
G1 X85.0011 Y21.7767
G1 X83.2751 Y21.7657
G1 X81.5501 Y21.7457
G1 X79.8241 Y21.7147
G1 X78.1751 Y21.6757
G1 X76.5281 Y21.6257
G1 X74.8811 Y21.5647
G1 X73.2331 Y21.4947
G1 X71.6771 Y21.4177
G1 X70.1231 Y21.3307
G1 X68.5691 Y21.2327
G1 X67.0161 Y21.1237
G1 X65.5681 Y21.0107
G1 X64.1231 Y20.8867
G1 X62.6781 Y20.7497
G1 X61.2351 Y20.6017
G1 X59.9071 Y20.4527
G1 X58.5821 Y20.2917
G1 X57.2591 Y20.1187
G1 X55.9371 Y19.9317
G1 X54.7391 Y19.7497
G1 X53.5441 Y19.5557
G1 X52.3511 Y19.3487
G1 X51.1611 Y19.1267
G1 X50.1021 Y18.9157
G1 X49.0461 Y18.6927
G1 X47.9931 Y18.4547
G1 X46.9441 Y18.2017
G1 X46.0321 Y17.9677
G1 X45.1241 Y17.7197
G1 X44.2201 Y17.4567
G1 X43.3201 Y17.1777
G1 X42.5581 Y16.9257
G1 X41.8001 Y16.6597
G1 X41.0501 Y16.3777
G1 X40.3061 Y16.0777
G1 X39.7001 Y15.8167
G1 X39.1011 Y15.5407
G1 X38.5081 Y15.2477
G1 X37.9221 Y14.9347
G1 X35.1660 Y12.8397
G1 X14.6321 Y12.8397
G1 X14.6321 Y10.8397
G0 Z10.0000
G0 X14.6321 Y40.8397
F100G1 Z-1.0000
F300G1 X35.7558 Y40.8397
G1 X35.8011 Y40.8227
G1 X36.0961 Y40.7317
G1 X36.5361 Y40.6017
G1 X36.9761 Y40.4757
G1 X37.4171 Y40.3567
G1 X37.8611 Y40.2467
G1 X38.4551 Y40.1197
G1 X39.0531 Y40.0097
G1 X39.6541 Y39.9147
G1 X40.2571 Y39.8297
G1 X41.0081 Y39.7327
G1 X41.7591 Y39.6447
G1 X42.5111 Y39.5657
G1 X43.2651 Y39.4937
G1 X44.1631 Y39.4177
G1 X45.0611 Y39.3517
G1 X45.9611 Y39.2937
G1 X46.8611 Y39.2427
G1 X47.8991 Y39.1907
G1 X48.9371 Y39.1467
G1 X49.9761 Y39.1087
G1 X51.0141 Y39.0777
G1 X52.1841 Y39.0487
G1 X53.3521 Y39.0257
G1 X54.5211 Y39.0087
G1 X55.6911 Y38.9967
G1 X56.9791 Y38.9887
G1 X58.2671 Y38.9857
G1 X59.5551 Y38.9877
G1 X60.8431 Y38.9927
G1 X62.2381 Y39.0037
G1 X63.6331 Y39.0177
G1 X65.0271 Y39.0357
G1 X66.4221 Y39.0567
G1 X67.9091 Y39.0827
G1 X69.3951 Y39.1117
G1 X70.8811 Y39.1437
G1 X72.3671 Y39.1787
G1 X73.9291 Y39.2177
G1 X75.4901 Y39.2587
G1 X77.0511 Y39.3027
G1 X78.6121 Y39.3487
G1 X80.2321 Y39.3977
G1 X81.8511 Y39.4487
G1 X83.4701 Y39.5017
G1 X85.0901 Y39.5567
G1 X86.7491 Y39.6137
G1 X88.4071 Y39.6727
G1 X90.0661 Y39.7327
G1 X91.7241 Y39.7947
G1 X93.4041 Y39.8567
G1 X95.0831 Y39.9207
G1 X96.7621 Y39.9857
G1 X98.4421 Y40.0508
G1 X100.1241 Y40.1168
G1 X101.8051 Y40.1828
G1 X103.4851 Y40.2498
G1 X105.1671 Y40.3178
G1 X106.8301 Y40.3838
G1 X108.4931 Y40.4508
G1 X110.1561 Y40.5168
G1 X111.8201 Y40.5838
G1 X113.4451 Y40.6488
G1 X115.0711 Y40.7139
G1 X116.6961 Y40.7779
G1 X118.3221 Y40.8420
G1 X119.8911 Y40.9031
G1 X121.4591 Y40.9631
G1 X123.0271 Y41.0232
G1 X124.5961 Y41.0823
G1 X126.0881 Y41.1374
G1 X127.5801 Y41.1924
G1 X129.0721 Y41.2455
G1 X130.5651 Y41.2976
G1 X131.9621 Y41.3456
G1 X133.3591 Y41.3927
G1 X134.7571 Y41.4378
G1 X136.1551 Y41.4818
G1 X137.4391 Y41.5209
G1 X138.7241 Y41.5580
G1 X140.0081 Y41.5940
G1 X141.2931 Y41.6291
G1 X142.4481 Y41.6581
G1 X143.6021 Y41.6862
G1 X144.7561 Y41.7133
G1 X145.9111 Y41.7383
G1 X146.9191 Y41.7584
G1 X147.9281 Y41.7764
G1 X148.9361 Y41.7935
G1 X149.9451 Y41.8085
G1 X150.7931 Y41.8196
G1 X151.6411 Y41.8296
G1 X152.4891 Y41.8376
G1 X153.3371 Y41.8447
G1 X154.0121 Y41.8497
G1 X154.6881 Y41.8527
G1 X155.3631 Y41.8462
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M5
G0 Z10.0000
G0 X0 Y0
M5M30
************************************************** *******

Anyone with a machine and the time to spare that could giv the code a dry testrun??

Best regards / Anders Molin

[lgreeves]

It is best when doing multiple parts to turn off cutter comp at the end of each part "G40" then turn back on at the beginning of a part.

[kayakman]

Thnaks I will test this. Do you think that this could be the problem?

Best regards / Anders Molin

[kayakman]

I just tested the code but addedthe G40 comand after every part and a new G41 or G42 before every part. The run still freezes at the same line What the f__k can be wrong. I can´t see anything in the code that seems wrong. Please help we if you can.

I forgot to say earlier that I also have tested to divide the code into two codes with two parts in each code. I thought that there might be a limitation in the Mach3 software or something like that. The run still freezes at the same part of the last profile!?!?!?!?!!!!

As I mentioned earlier. !!!Clueless!!!

Help / Anders Molin

[Torchhead]

Is this a licensed MACH3? Demo version has 1000 line limit. Also MACH will just stop running g-code if it hits a command it does not understand but you should be able to see that when the code loads.

This would be SO much easier with a CAM program like SheetCAM. I hand coded 25 years ago and I never want to have to do it again. I let SheetCAM write my code and just do a quick review before it goes to MACH.

[ger21]

It's not a demo limitation. In demo mode, you wouldn't see the blue toolpath for anything over 1000 lines. I'm running in demo mode, and it ran the whole thing. It did have some problems, though, somehow related to tool size I think. I'd send the file (corrected code, though) to Art and see what he thinks.

I'm running in simulation mode, and noticed 3 things. At the bottom rear of the first part, My display shows the tool reversing direction, reversing again, then going too far past the part, then returning and following the path. At the bottom rear of the second part, the tool just keeps going until I stop it. After stopping, I can resume and it will run the rest of the way through. However, I noticed a small glitch in the toolpath on the bottom of the last part. This may be where you had the problem. Do you have backlash comp on by chance?

[kayakman]

No it should be the demo version. i just downloaded it from Artsofts website. But the code is less then 1000 lines and the problem accours around line 790 and there is no odd comand there???!

Best regards / Anders m

[ger21]

I meant that your problem wasn't because of the demo.

[kayakman]

I read your post #16 more closely and there may be some problems with the path reversing in the end and the beginning of each part. Which my amateur analys guesses is caused by the radius compenasation but that is only my amateur view of that problem.

The glitch that you mention could be my main problem. You asked me if I had backlash comp on by any chance? Could be. How do I see if this is the case? Is it a software choice in MACH3?

Best regards / Anders Molin

[kayakman]

It's not a demo limitation. In demo mode, you wouldn't see the blue toolpath for anything over 1000 lines. I'm running in demo mode, and it ran the whole thing. It did have some problems, though, somehow related to tool size I think. I'd send the file (corrected code, though) to Art and see what he thinks.

I'm running in simulation mode, and noticed 3 things. At the bottom rear of the first part, My display shows the tool reversing direction, reversing again, then going too far past the part, then returning and following the path. At the bottom rear of the second part, the tool just keeps going until I stop it. After stopping, I can resume and it will run the rest of the way through. However, I noticed a small glitch in the toolpath on the bottom of the last part. This may be where you had the problem. Do you have backlash comp on by chance?

Hi ger21.

I came to realize something.

I had tested the code in simulationmode with no big problems. When my problem occure Mach3 continues to read the G-code. It doesn´t shut down the process. Because of this I in the begining thought that it was a hadware problem with my machine like jaming leadscrews or similar. I tried to move origo to see if the problem occured again but in a different spot but it was on the same position in the code (my conclusion was: no hardware problem). This is further suported by the following test. I divide the code into two different G-codes to see if the problem occures after a certain number of line but this is not the case. The first file runs nice as earlier but hte second file runs and hits problem in the exact same position on the figure I´m trying to cut.


What the f**ck can be wrong. (pardon my french)

Is there anyone out there who have or who could test run it in other than simulation mode?

Best regards / Anders Molin