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  1. #1

    Join Date
    Dec 2021
    Posts
    14

    Question Y axis offsetting itself at each depth pass ?

    Hello,

    I need a bit of help to troubleshoot a problem I am encountering. I have built a 3 axis router type CNC running with LinuxCNC, it's really a XYZ traditional router.

    When I try to cut my table out of an aluminium plate, I have a strange offset that occur at the back of the cut, on the Y axis. Each deeper pass make it more offset, so I end up with the back of the table tapered.

    Where I don't get it, is that this only occur at the back, the front of the table stay good. If I had a problem with my Y axis missing step, I guest I would have the problem on each side, the whole Y axis would be wrong, right ?

    The CN code is right, basically my front table cut occurs at Y=2 and the back cut at Y=252. Y=2 seem to stay good but Y=252 offset further and further at each pass..

    Can someone give me advice about where I should investigate ? It's my first CNC.

    I have attached a picture (sorry for the blur).

    Thank you.

  2. #2
    Member
    Join Date
    Jan 2005
    Posts
    14720

    Re: Y axis offsetting itself at each depth pass ?

    Quote Originally Posted by karnalta View Post
    Hello,

    I need a bit of help to troubleshoot a problem I am encountering. I have built a 3 axis router type CNC running with LinuxCNC, it's really a XYZ traditional router.

    When I try to cut my table out of an aluminium plate, I have a strange offset that occur at the back of the cut, on the Y axis. Each deeper pass make it more offset, so I end up with the back of the table tapered.

    Where I don't get it, is that this only occur at the back, the front of the table stay good. If I had a problem with my Y axis missing step, I guest I would have the problem on each side, the whole Y axis would be wrong, right ?

    The CN code is right, basically my front table cut occurs at Y=2 and the back cut at Y=252. Y=2 seem to stay good but Y=252 offset further and further at each pass..

    Can someone give me advice about where I should investigate ? It's my first CNC.

    I have attached a picture (sorry for the blur).

    Thank you.
    Post the G-Code Program, you can just cut and paste it here
    Mactec54

  3. #3

    Join Date
    Dec 2021
    Posts
    14

    Re: Y axis offsetting itself at each depth pass ?

    Quote Originally Posted by mactec54 View Post
    Post the G-Code Program, you can just cut and paste it here
    Here it is :

    %
    (1001)
    (MACHINE)
    ( VENDOR AUTODESK)
    ( DESCRIPTION GENERIC 3-AXIS)
    (T1 D=6. CR=0. - ZMIN=-16. - FRAISE DEUX TAILLES)
    N10 G90 G94 G17 G91.1
    N15 G21
    N20 G28 G91 Z0.
    N25 G90
    (CONTOUR 2D1)
    N30 T1 M6
    N35 S24000 M3
    N40 G54
    N45 G0 X184.605 Y0.2
    N50 G43 Z15. H1
    N55 G0 Z5.
    N60 G1 Z2. F60.
    N65 Z-0.4
    N70 G19 G3 Y0.8 Z-1. J0.6 K0. F500.
    N75 G1 Y1.4
    N80 G17 G3 X184.005 Y2. I-0.6 J0.
    N85 G1 X8. F750.
    N90 G2 X5.879 Y2.879 I0. J3.
    N95 G1 X4.879 Y3.879
    N100 G2 X4. Y6. I2.121 J2.121
    N105 G1 Y248.
    N110 G2 X4.879 Y250.121 I3. J0.
    N115 G1 X5.879 Y251.121
    N120 G2 X8. Y252. I2.121 J-2.121
    N125 G1 X350.
    N130 G2 X352.121 Y251.121 I0. J-3.
    N135 G1 X353.121 Y250.121
    N140 G2 X354. Y248. I-2.121 J-2.121
    N145 G1 Y6.
    N150 G2 X353.121 Y3.879 I-3. J0.
    N155 G1 X352.121 Y2.879
    N160 G2 X350. Y2. I-2.121 J2.121
    N165 G1 X184.005
    N170 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N175 G1 Y0.8
    N180 G19 G2 Y0.2 Z-0.4 J0. K0.6
    N185 G0 Z5.
    N190 X184.605
    N195 G1 Z1. F60.
    N200 Z-1.4
    N205 G3 Y0.8 Z-2. J0.6 K0. F500.
    N210 G1 Y1.4
    N215 G17 G3 X184.005 Y2. I-0.6 J0.
    N220 G1 X8. F750.
    N225 G2 X5.879 Y2.879 I0. J3.
    N230 G1 X4.879 Y3.879
    N235 G2 X4. Y6. I2.121 J2.121
    N240 G1 Y248.
    N245 G2 X4.879 Y250.121 I3. J0.
    N250 G1 X5.879 Y251.121
    N255 G2 X8. Y252. I2.121 J-2.121
    N260 G1 X350.
    N265 G2 X352.121 Y251.121 I0. J-3.
    N270 G1 X353.121 Y250.121
    N275 G2 X354. Y248. I-2.121 J-2.121
    N280 G1 Y6.
    N285 G2 X353.121 Y3.879 I-3. J0.
    N290 G1 X352.121 Y2.879
    N295 G2 X350. Y2. I-2.121 J2.121
    N300 G1 X184.005
    N305 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N310 G1 Y0.8
    N315 G19 G2 Y0.2 Z-1.4 J0. K0.6
    N320 G0 Z5.
    N325 X184.605
    N330 G1 Z0. F60.
    N335 Z-2.4
    N340 G3 Y0.8 Z-3. J0.6 K0. F500.
    N345 G1 Y1.4
    N350 G17 G3 X184.005 Y2. I-0.6 J0.
    N355 G1 X8. F750.
    N360 G2 X5.879 Y2.879 I0. J3.
    N365 G1 X4.879 Y3.879
    N370 G2 X4. Y6. I2.121 J2.121
    N375 G1 Y248.
    N380 G2 X4.879 Y250.121 I3. J0.
    N385 G1 X5.879 Y251.121
    N390 G2 X8. Y252. I2.121 J-2.121
    N395 G1 X350.
    N400 G2 X352.121 Y251.121 I0. J-3.
    N405 G1 X353.121 Y250.121
    N410 G2 X354. Y248. I-2.121 J-2.121
    N415 G1 Y6.
    N420 G2 X353.121 Y3.879 I-3. J0.
    N425 G1 X352.121 Y2.879
    N430 G2 X350. Y2. I-2.121 J2.121
    N435 G1 X184.005
    N440 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N445 G1 Y0.8
    N450 G19 G2 Y0.2 Z-2.4 J0. K0.6
    N455 G0 Z5.
    N460 X184.605
    N465 G1 Z-1. F60.
    N470 Z-3.4
    N475 G3 Y0.8 Z-4. J0.6 K0. F500.
    N480 G1 Y1.4
    N485 G17 G3 X184.005 Y2. I-0.6 J0.
    N490 G1 X8. F750.
    N495 G2 X5.879 Y2.879 I0. J3.
    N500 G1 X4.879 Y3.879
    N505 G2 X4. Y6. I2.121 J2.121
    N510 G1 Y248.
    N515 G2 X4.879 Y250.121 I3. J0.
    N520 G1 X5.879 Y251.121
    N525 G2 X8. Y252. I2.121 J-2.121
    N530 G1 X350.
    N535 G2 X352.121 Y251.121 I0. J-3.
    N540 G1 X353.121 Y250.121
    N545 G2 X354. Y248. I-2.121 J-2.121
    N550 G1 Y6.
    N555 G2 X353.121 Y3.879 I-3. J0.
    N560 G1 X352.121 Y2.879
    N565 G2 X350. Y2. I-2.121 J2.121
    N570 G1 X184.005
    N575 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N580 G1 Y0.8
    N585 G19 G2 Y0.2 Z-3.4 J0. K0.6
    N590 G0 Z5.
    N595 X184.605
    N600 G1 Z-2. F60.
    N605 Z-4.4
    N610 G3 Y0.8 Z-5. J0.6 K0. F500.
    N615 G1 Y1.4
    N620 G17 G3 X184.005 Y2. I-0.6 J0.
    N625 G1 X8. F750.
    N630 G2 X5.879 Y2.879 I0. J3.
    N635 G1 X4.879 Y3.879
    N640 G2 X4. Y6. I2.121 J2.121
    N645 G1 Y248.
    N650 G2 X4.879 Y250.121 I3. J0.
    N655 G1 X5.879 Y251.121
    N660 G2 X8. Y252. I2.121 J-2.121
    N665 G1 X350.
    N670 G2 X352.121 Y251.121 I0. J-3.
    N675 G1 X353.121 Y250.121
    N680 G2 X354. Y248. I-2.121 J-2.121
    N685 G1 Y6.
    N690 G2 X353.121 Y3.879 I-3. J0.
    N695 G1 X352.121 Y2.879
    N700 G2 X350. Y2. I-2.121 J2.121
    N705 G1 X184.005
    N710 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N715 G1 Y0.8
    N720 G19 G2 Y0.2 Z-4.4 J0. K0.6
    N725 G0 Z5.
    N730 X184.605
    N735 G1 Z-3. F60.
    N740 Z-5.4
    N745 G3 Y0.8 Z-6. J0.6 K0. F500.
    N750 G1 Y1.4
    N755 G17 G3 X184.005 Y2. I-0.6 J0.
    N760 G1 X8. F750.
    N765 G2 X5.879 Y2.879 I0. J3.
    N770 G1 X4.879 Y3.879
    N775 G2 X4. Y6. I2.121 J2.121
    N780 G1 Y248.
    N785 G2 X4.879 Y250.121 I3. J0.
    N790 G1 X5.879 Y251.121
    N795 G2 X8. Y252. I2.121 J-2.121
    N800 G1 X350.
    N805 G2 X352.121 Y251.121 I0. J-3.
    N810 G1 X353.121 Y250.121
    N815 G2 X354. Y248. I-2.121 J-2.121
    N820 G1 Y6.
    N825 G2 X353.121 Y3.879 I-3. J0.
    N830 G1 X352.121 Y2.879
    N835 G2 X350. Y2. I-2.121 J2.121
    N840 G1 X184.005
    N845 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N850 G1 Y0.8
    N855 G19 G2 Y0.2 Z-5.4 J0. K0.6
    N860 G0 Z5.
    N865 X184.605
    N870 G1 Z-4. F60.
    N875 Z-6.4
    N880 G3 Y0.8 Z-7. J0.6 K0. F500.
    N885 G1 Y1.4
    N890 G17 G3 X184.005 Y2. I-0.6 J0.
    N895 G1 X8. F750.
    N900 G2 X5.879 Y2.879 I0. J3.
    N905 G1 X4.879 Y3.879
    N910 G2 X4. Y6. I2.121 J2.121
    N915 G1 Y248.
    N920 G2 X4.879 Y250.121 I3. J0.
    N925 G1 X5.879 Y251.121
    N930 G2 X8. Y252. I2.121 J-2.121
    N935 G1 X350.
    N940 G2 X352.121 Y251.121 I0. J-3.
    N945 G1 X353.121 Y250.121
    N950 G2 X354. Y248. I-2.121 J-2.121
    N955 G1 Y6.
    N960 G2 X353.121 Y3.879 I-3. J0.
    N965 G1 X352.121 Y2.879
    N970 G2 X350. Y2. I-2.121 J2.121
    N975 G1 X184.005
    N980 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N985 G1 Y0.8
    N990 G19 G2 Y0.2 Z-6.4 J0. K0.6
    N995 G0 Z5.
    N1000 X184.605
    N1005 G1 Z-5. F60.
    N1010 Z-7.4
    N1015 G3 Y0.8 Z-8. J0.6 K0. F500.
    N1020 G1 Y1.4
    N1025 G17 G3 X184.005 Y2. I-0.6 J0.
    N1030 G1 X8. F750.
    N1035 G2 X5.879 Y2.879 I0. J3.
    N1040 G1 X4.879 Y3.879
    N1045 G2 X4. Y6. I2.121 J2.121
    N1050 G1 Y248.
    N1055 G2 X4.879 Y250.121 I3. J0.
    N1060 G1 X5.879 Y251.121
    N1065 G2 X8. Y252. I2.121 J-2.121
    N1070 G1 X350.
    N1075 G2 X352.121 Y251.121 I0. J-3.
    N1080 G1 X353.121 Y250.121
    N1085 G2 X354. Y248. I-2.121 J-2.121
    N1090 G1 Y6.
    N1095 G2 X353.121 Y3.879 I-3. J0.
    N1100 G1 X352.121 Y2.879
    N1105 G2 X350. Y2. I-2.121 J2.121
    N1110 G1 X184.005
    N1115 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1120 G1 Y0.8
    N1125 G19 G2 Y0.2 Z-7.4 J0. K0.6
    N1130 G0 Z5.
    N1135 X184.605
    N1140 G1 Z-6. F60.
    N1145 Z-8.4
    N1150 G3 Y0.8 Z-9. J0.6 K0. F500.
    N1155 G1 Y1.4
    N1160 G17 G3 X184.005 Y2. I-0.6 J0.
    N1165 G1 X8. F750.
    N1170 G2 X5.879 Y2.879 I0. J3.
    N1175 G1 X4.879 Y3.879
    N1180 G2 X4. Y6. I2.121 J2.121
    N1185 G1 Y248.
    N1190 G2 X4.879 Y250.121 I3. J0.
    N1195 G1 X5.879 Y251.121
    N1200 G2 X8. Y252. I2.121 J-2.121
    N1205 G1 X350.
    N1210 G2 X352.121 Y251.121 I0. J-3.
    N1215 G1 X353.121 Y250.121
    N1220 G2 X354. Y248. I-2.121 J-2.121
    N1225 G1 Y6.
    N1230 G2 X353.121 Y3.879 I-3. J0.
    N1235 G1 X352.121 Y2.879
    N1240 G2 X350. Y2. I-2.121 J2.121
    N1245 G1 X184.005
    N1250 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1255 G1 Y0.8
    N1260 G19 G2 Y0.2 Z-8.4 J0. K0.6
    N1265 G0 Z5.
    N1270 X184.605
    N1275 G1 Z-7. F60.
    N1280 Z-9.4
    N1285 G3 Y0.8 Z-10. J0.6 K0. F500.
    N1290 G1 Y1.4
    N1295 G17 G3 X184.005 Y2. I-0.6 J0.
    N1300 G1 X8. F750.
    N1305 G2 X5.879 Y2.879 I0. J3.
    N1310 G1 X4.879 Y3.879
    N1315 G2 X4. Y6. I2.121 J2.121
    N1320 G1 Y248.
    N1325 G2 X4.879 Y250.121 I3. J0.
    N1330 G1 X5.879 Y251.121
    N1335 G2 X8. Y252. I2.121 J-2.121
    N1340 G1 X350.
    N1345 G2 X352.121 Y251.121 I0. J-3.
    N1350 G1 X353.121 Y250.121
    N1355 G2 X354. Y248. I-2.121 J-2.121
    N1360 G1 Y6.
    N1365 G2 X353.121 Y3.879 I-3. J0.
    N1370 G1 X352.121 Y2.879
    N1375 G2 X350. Y2. I-2.121 J2.121
    N1380 G1 X184.005
    N1385 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1390 G1 Y0.8
    N1395 G19 G2 Y0.2 Z-9.4 J0. K0.6
    N1400 G0 Z5.
    N1405 X184.605
    N1410 G1 Z-8. F60.
    N1415 Z-10.4
    N1420 G3 Y0.8 Z-11. J0.6 K0. F500.
    N1425 G1 Y1.4
    N1430 G17 G3 X184.005 Y2. I-0.6 J0.
    N1435 G1 X8. F750.
    N1440 G2 X5.879 Y2.879 I0. J3.
    N1445 G1 X4.879 Y3.879
    N1450 G2 X4. Y6. I2.121 J2.121
    N1455 G1 Y248.
    N1460 G2 X4.879 Y250.121 I3. J0.
    N1465 G1 X5.879 Y251.121
    N1470 G2 X8. Y252. I2.121 J-2.121
    N1475 G1 X350.
    N1480 G2 X352.121 Y251.121 I0. J-3.
    N1485 G1 X353.121 Y250.121
    N1490 G2 X354. Y248. I-2.121 J-2.121
    N1495 G1 Y6.
    N1500 G2 X353.121 Y3.879 I-3. J0.
    N1505 G1 X352.121 Y2.879
    N1510 G2 X350. Y2. I-2.121 J2.121
    N1515 G1 X184.005
    N1520 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1525 G1 Y0.8
    N1530 G19 G2 Y0.2 Z-10.4 J0. K0.6
    N1535 G0 Z5.
    N1540 X184.605
    N1545 G1 Z-9. F60.
    N1550 Z-11.4
    N1555 G3 Y0.8 Z-12. J0.6 K0. F500.
    N1560 G1 Y1.4
    N1565 G17 G3 X184.005 Y2. I-0.6 J0.
    N1570 G1 X8. F750.
    N1575 G2 X5.879 Y2.879 I0. J3.
    N1580 G1 X4.879 Y3.879
    N1585 G2 X4. Y6. I2.121 J2.121
    N1590 G1 Y248.
    N1595 G2 X4.879 Y250.121 I3. J0.
    N1600 G1 X5.879 Y251.121
    N1605 G2 X8. Y252. I2.121 J-2.121
    N1610 G1 X350.
    N1615 G2 X352.121 Y251.121 I0. J-3.
    N1620 G1 X353.121 Y250.121
    N1625 G2 X354. Y248. I-2.121 J-2.121
    N1630 G1 Y6.
    N1635 G2 X353.121 Y3.879 I-3. J0.
    N1640 G1 X352.121 Y2.879
    N1645 G2 X350. Y2. I-2.121 J2.121
    N1650 G1 X184.005
    N1655 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1660 G1 Y0.8
    N1665 G19 G2 Y0.2 Z-11.4 J0. K0.6
    N1670 G0 Z5.
    N1675 X184.605
    N1680 G1 Z-10. F60.
    N1685 Z-12.4
    N1690 G3 Y0.8 Z-13. J0.6 K0. F500.
    N1695 G1 Y1.4
    N1700 G17 G3 X184.005 Y2. I-0.6 J0.
    N1705 G1 X8. F750.
    N1710 G2 X5.879 Y2.879 I0. J3.
    N1715 G1 X4.879 Y3.879
    N1720 G2 X4. Y6. I2.121 J2.121
    N1725 G1 Y248.
    N1730 G2 X4.879 Y250.121 I3. J0.
    N1735 G1 X5.879 Y251.121
    N1740 G2 X8. Y252. I2.121 J-2.121
    N1745 G1 X350.
    N1750 G2 X352.121 Y251.121 I0. J-3.
    N1755 G1 X353.121 Y250.121
    N1760 G2 X354. Y248. I-2.121 J-2.121
    N1765 G1 Y6.
    N1770 G2 X353.121 Y3.879 I-3. J0.
    N1775 G1 X352.121 Y2.879
    N1780 G2 X350. Y2. I-2.121 J2.121
    N1785 G1 X184.005
    N1790 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1795 G1 Y0.8
    N1800 G19 G2 Y0.2 Z-12.4 J0. K0.6
    N1805 G0 Z5.
    N1810 X184.605
    N1815 G1 Z-11. F60.
    N1820 Z-13.4
    N1825 G3 Y0.8 Z-14. J0.6 K0. F500.
    N1830 G1 Y1.4
    N1835 G17 G3 X184.005 Y2. I-0.6 J0.
    N1840 G1 X8. F750.
    N1845 G2 X5.879 Y2.879 I0. J3.
    N1850 G1 X4.879 Y3.879
    N1855 G2 X4. Y6. I2.121 J2.121
    N1860 G1 Y248.
    N1865 G2 X4.879 Y250.121 I3. J0.
    N1870 G1 X5.879 Y251.121
    N1875 G2 X8. Y252. I2.121 J-2.121
    N1880 G1 X350.
    N1885 G2 X352.121 Y251.121 I0. J-3.
    N1890 G1 X353.121 Y250.121
    N1895 G2 X354. Y248. I-2.121 J-2.121
    N1900 G1 Y6.
    N1905 G2 X353.121 Y3.879 I-3. J0.
    N1910 G1 X352.121 Y2.879
    N1915 G2 X350. Y2. I-2.121 J2.121
    N1920 G1 X184.005
    N1925 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1930 G1 Y0.8
    N1935 G19 G2 Y0.2 Z-13.4 J0. K0.6
    N1940 G0 Z5.
    N1945 X184.605
    N1950 G1 Z-12. F60.
    N1955 Z-14.4
    N1960 G3 Y0.8 Z-15. J0.6 K0. F500.
    N1965 G1 Y1.4
    N1970 G17 G3 X184.005 Y2. I-0.6 J0.
    N1975 G1 X8. F750.
    N1980 G2 X5.879 Y2.879 I0. J3.
    N1985 G1 X4.879 Y3.879
    N1990 G2 X4. Y6. I2.121 J2.121
    N1995 G1 Y248.
    N2000 G2 X4.879 Y250.121 I3. J0.
    N2005 G1 X5.879 Y251.121
    N2010 G2 X8. Y252. I2.121 J-2.121
    N2015 G1 X350.
    N2020 G2 X352.121 Y251.121 I0. J-3.
    N2025 G1 X353.121 Y250.121
    N2030 G2 X354. Y248. I-2.121 J-2.121
    N2035 G1 Y6.
    N2040 G2 X353.121 Y3.879 I-3. J0.
    N2045 G1 X352.121 Y2.879
    N2050 G2 X350. Y2. I-2.121 J2.121
    N2055 G1 X184.005
    N2060 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N2065 G1 Y0.8
    N2070 G19 G2 Y0.2 Z-14.4 J0. K0.6
    N2075 G0 Z5.
    N2080 X184.605
    N2085 G1 Z-13. F60.
    N2090 Z-15.4
    N2095 G3 Y0.8 Z-16. J0.6 K0. F500.
    N2100 G1 Y1.4
    N2105 G17 G3 X184.005 Y2. I-0.6 J0.
    N2110 G1 X8. F750.
    N2115 G2 X5.879 Y2.879 I0. J3.
    N2120 G1 X4.879 Y3.879
    N2125 G2 X4. Y6. I2.121 J2.121
    N2130 G1 Y248.
    N2135 G2 X4.879 Y250.121 I3. J0.
    N2140 G1 X5.879 Y251.121
    N2145 G2 X8. Y252. I2.121 J-2.121
    N2150 G1 X350.
    N2155 G2 X352.121 Y251.121 I0. J-3.
    N2160 G1 X353.121 Y250.121
    N2165 G2 X354. Y248. I-2.121 J-2.121
    N2170 G1 Y6.
    N2175 G2 X353.121 Y3.879 I-3. J0.
    N2180 G1 X352.121 Y2.879
    N2185 G2 X350. Y2. I-2.121 J2.121
    N2190 G1 X184.005
    N2195 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N2200 G1 Y0.8
    N2205 G19 G2 Y0.2 Z-15.4 J0. K0.6
    N2210 G0 Z15.
    N2215 G17
    N2220 G28 G91 Z0.
    N2225 G90
    N2230 M30
    %

  4. #4
    Member
    Join Date
    Jan 2005
    Posts
    14720

    Re: Y axis offsetting itself at each depth pass ?

    Quote Originally Posted by karnalta View Post
    Here it is :

    %
    (1001)
    (MACHINE)
    ( VENDOR AUTODESK)
    ( DESCRIPTION GENERIC 3-AXIS)
    (T1 D=6. CR=0. - ZMIN=-16. - FRAISE DEUX TAILLES)
    N10 G90 G94 G17 G91.1
    N15 G21
    N20 G28 G91 Z0.
    N25 G90
    (CONTOUR 2D1)
    N30 T1 M6
    N35 S24000 M3
    N40 G54
    N45 G0 X184.605 Y0.2
    N50 G43 Z15. H1
    N55 G0 Z5.
    N60 G1 Z2. F60.
    N65 Z-0.4
    N70 G19 G3 Y0.8 Z-1. J0.6 K0. F500.
    N75 G1 Y1.4
    N80 G17 G3 X184.005 Y2. I-0.6 J0.
    N85 G1 X8. F750.
    N90 G2 X5.879 Y2.879 I0. J3.
    N95 G1 X4.879 Y3.879
    N100 G2 X4. Y6. I2.121 J2.121
    N105 G1 Y248.
    N110 G2 X4.879 Y250.121 I3. J0.
    N115 G1 X5.879 Y251.121
    N120 G2 X8. Y252. I2.121 J-2.121
    N125 G1 X350.
    N130 G2 X352.121 Y251.121 I0. J-3.
    N135 G1 X353.121 Y250.121
    N140 G2 X354. Y248. I-2.121 J-2.121
    N145 G1 Y6.
    N150 G2 X353.121 Y3.879 I-3. J0.
    N155 G1 X352.121 Y2.879
    N160 G2 X350. Y2. I-2.121 J2.121
    N165 G1 X184.005
    N170 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N175 G1 Y0.8
    N180 G19 G2 Y0.2 Z-0.4 J0. K0.6
    N185 G0 Z5.
    N190 X184.605
    N195 G1 Z1. F60.
    N200 Z-1.4
    N205 G3 Y0.8 Z-2. J0.6 K0. F500.
    N210 G1 Y1.4
    N215 G17 G3 X184.005 Y2. I-0.6 J0.
    N220 G1 X8. F750.
    N225 G2 X5.879 Y2.879 I0. J3.
    N230 G1 X4.879 Y3.879
    N235 G2 X4. Y6. I2.121 J2.121
    N240 G1 Y248.
    N245 G2 X4.879 Y250.121 I3. J0.
    N250 G1 X5.879 Y251.121
    N255 G2 X8. Y252. I2.121 J-2.121
    N260 G1 X350.
    N265 G2 X352.121 Y251.121 I0. J-3.
    N270 G1 X353.121 Y250.121
    N275 G2 X354. Y248. I-2.121 J-2.121
    N280 G1 Y6.
    N285 G2 X353.121 Y3.879 I-3. J0.
    N290 G1 X352.121 Y2.879
    N295 G2 X350. Y2. I-2.121 J2.121
    N300 G1 X184.005
    N305 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N310 G1 Y0.8
    N315 G19 G2 Y0.2 Z-1.4 J0. K0.6
    N320 G0 Z5.
    N325 X184.605
    N330 G1 Z0. F60.
    N335 Z-2.4
    N340 G3 Y0.8 Z-3. J0.6 K0. F500.
    N345 G1 Y1.4
    N350 G17 G3 X184.005 Y2. I-0.6 J0.
    N355 G1 X8. F750.
    N360 G2 X5.879 Y2.879 I0. J3.
    N365 G1 X4.879 Y3.879
    N370 G2 X4. Y6. I2.121 J2.121
    N375 G1 Y248.
    N380 G2 X4.879 Y250.121 I3. J0.
    N385 G1 X5.879 Y251.121
    N390 G2 X8. Y252. I2.121 J-2.121
    N395 G1 X350.
    N400 G2 X352.121 Y251.121 I0. J-3.
    N405 G1 X353.121 Y250.121
    N410 G2 X354. Y248. I-2.121 J-2.121
    N415 G1 Y6.
    N420 G2 X353.121 Y3.879 I-3. J0.
    N425 G1 X352.121 Y2.879
    N430 G2 X350. Y2. I-2.121 J2.121
    N435 G1 X184.005
    N440 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N445 G1 Y0.8
    N450 G19 G2 Y0.2 Z-2.4 J0. K0.6
    N455 G0 Z5.
    N460 X184.605
    N465 G1 Z-1. F60.
    N470 Z-3.4
    N475 G3 Y0.8 Z-4. J0.6 K0. F500.
    N480 G1 Y1.4
    N485 G17 G3 X184.005 Y2. I-0.6 J0.
    N490 G1 X8. F750.
    N495 G2 X5.879 Y2.879 I0. J3.
    N500 G1 X4.879 Y3.879
    N505 G2 X4. Y6. I2.121 J2.121
    N510 G1 Y248.
    N515 G2 X4.879 Y250.121 I3. J0.
    N520 G1 X5.879 Y251.121
    N525 G2 X8. Y252. I2.121 J-2.121
    N530 G1 X350.
    N535 G2 X352.121 Y251.121 I0. J-3.
    N540 G1 X353.121 Y250.121
    N545 G2 X354. Y248. I-2.121 J-2.121
    N550 G1 Y6.
    N555 G2 X353.121 Y3.879 I-3. J0.
    N560 G1 X352.121 Y2.879
    N565 G2 X350. Y2. I-2.121 J2.121
    N570 G1 X184.005
    N575 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N580 G1 Y0.8
    N585 G19 G2 Y0.2 Z-3.4 J0. K0.6
    N590 G0 Z5.
    N595 X184.605
    N600 G1 Z-2. F60.
    N605 Z-4.4
    N610 G3 Y0.8 Z-5. J0.6 K0. F500.
    N615 G1 Y1.4
    N620 G17 G3 X184.005 Y2. I-0.6 J0.
    N625 G1 X8. F750.
    N630 G2 X5.879 Y2.879 I0. J3.
    N635 G1 X4.879 Y3.879
    N640 G2 X4. Y6. I2.121 J2.121
    N645 G1 Y248.
    N650 G2 X4.879 Y250.121 I3. J0.
    N655 G1 X5.879 Y251.121
    N660 G2 X8. Y252. I2.121 J-2.121
    N665 G1 X350.
    N670 G2 X352.121 Y251.121 I0. J-3.
    N675 G1 X353.121 Y250.121
    N680 G2 X354. Y248. I-2.121 J-2.121
    N685 G1 Y6.
    N690 G2 X353.121 Y3.879 I-3. J0.
    N695 G1 X352.121 Y2.879
    N700 G2 X350. Y2. I-2.121 J2.121
    N705 G1 X184.005
    N710 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N715 G1 Y0.8
    N720 G19 G2 Y0.2 Z-4.4 J0. K0.6
    N725 G0 Z5.
    N730 X184.605
    N735 G1 Z-3. F60.
    N740 Z-5.4
    N745 G3 Y0.8 Z-6. J0.6 K0. F500.
    N750 G1 Y1.4
    N755 G17 G3 X184.005 Y2. I-0.6 J0.
    N760 G1 X8. F750.
    N765 G2 X5.879 Y2.879 I0. J3.
    N770 G1 X4.879 Y3.879
    N775 G2 X4. Y6. I2.121 J2.121
    N780 G1 Y248.
    N785 G2 X4.879 Y250.121 I3. J0.
    N790 G1 X5.879 Y251.121
    N795 G2 X8. Y252. I2.121 J-2.121
    N800 G1 X350.
    N805 G2 X352.121 Y251.121 I0. J-3.
    N810 G1 X353.121 Y250.121
    N815 G2 X354. Y248. I-2.121 J-2.121
    N820 G1 Y6.
    N825 G2 X353.121 Y3.879 I-3. J0.
    N830 G1 X352.121 Y2.879
    N835 G2 X350. Y2. I-2.121 J2.121
    N840 G1 X184.005
    N845 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N850 G1 Y0.8
    N855 G19 G2 Y0.2 Z-5.4 J0. K0.6
    N860 G0 Z5.
    N865 X184.605
    N870 G1 Z-4. F60.
    N875 Z-6.4
    N880 G3 Y0.8 Z-7. J0.6 K0. F500.
    N885 G1 Y1.4
    N890 G17 G3 X184.005 Y2. I-0.6 J0.
    N895 G1 X8. F750.
    N900 G2 X5.879 Y2.879 I0. J3.
    N905 G1 X4.879 Y3.879
    N910 G2 X4. Y6. I2.121 J2.121
    N915 G1 Y248.
    N920 G2 X4.879 Y250.121 I3. J0.
    N925 G1 X5.879 Y251.121
    N930 G2 X8. Y252. I2.121 J-2.121
    N935 G1 X350.
    N940 G2 X352.121 Y251.121 I0. J-3.
    N945 G1 X353.121 Y250.121
    N950 G2 X354. Y248. I-2.121 J-2.121
    N955 G1 Y6.
    N960 G2 X353.121 Y3.879 I-3. J0.
    N965 G1 X352.121 Y2.879
    N970 G2 X350. Y2. I-2.121 J2.121
    N975 G1 X184.005
    N980 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N985 G1 Y0.8
    N990 G19 G2 Y0.2 Z-6.4 J0. K0.6
    N995 G0 Z5.
    N1000 X184.605
    N1005 G1 Z-5. F60.
    N1010 Z-7.4
    N1015 G3 Y0.8 Z-8. J0.6 K0. F500.
    N1020 G1 Y1.4
    N1025 G17 G3 X184.005 Y2. I-0.6 J0.
    N1030 G1 X8. F750.
    N1035 G2 X5.879 Y2.879 I0. J3.
    N1040 G1 X4.879 Y3.879
    N1045 G2 X4. Y6. I2.121 J2.121
    N1050 G1 Y248.
    N1055 G2 X4.879 Y250.121 I3. J0.
    N1060 G1 X5.879 Y251.121
    N1065 G2 X8. Y252. I2.121 J-2.121
    N1070 G1 X350.
    N1075 G2 X352.121 Y251.121 I0. J-3.
    N1080 G1 X353.121 Y250.121
    N1085 G2 X354. Y248. I-2.121 J-2.121
    N1090 G1 Y6.
    N1095 G2 X353.121 Y3.879 I-3. J0.
    N1100 G1 X352.121 Y2.879
    N1105 G2 X350. Y2. I-2.121 J2.121
    N1110 G1 X184.005
    N1115 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1120 G1 Y0.8
    N1125 G19 G2 Y0.2 Z-7.4 J0. K0.6
    N1130 G0 Z5.
    N1135 X184.605
    N1140 G1 Z-6. F60.
    N1145 Z-8.4
    N1150 G3 Y0.8 Z-9. J0.6 K0. F500.
    N1155 G1 Y1.4
    N1160 G17 G3 X184.005 Y2. I-0.6 J0.
    N1165 G1 X8. F750.
    N1170 G2 X5.879 Y2.879 I0. J3.
    N1175 G1 X4.879 Y3.879
    N1180 G2 X4. Y6. I2.121 J2.121
    N1185 G1 Y248.
    N1190 G2 X4.879 Y250.121 I3. J0.
    N1195 G1 X5.879 Y251.121
    N1200 G2 X8. Y252. I2.121 J-2.121
    N1205 G1 X350.
    N1210 G2 X352.121 Y251.121 I0. J-3.
    N1215 G1 X353.121 Y250.121
    N1220 G2 X354. Y248. I-2.121 J-2.121
    N1225 G1 Y6.
    N1230 G2 X353.121 Y3.879 I-3. J0.
    N1235 G1 X352.121 Y2.879
    N1240 G2 X350. Y2. I-2.121 J2.121
    N1245 G1 X184.005
    N1250 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1255 G1 Y0.8
    N1260 G19 G2 Y0.2 Z-8.4 J0. K0.6
    N1265 G0 Z5.
    N1270 X184.605
    N1275 G1 Z-7. F60.
    N1280 Z-9.4
    N1285 G3 Y0.8 Z-10. J0.6 K0. F500.
    N1290 G1 Y1.4
    N1295 G17 G3 X184.005 Y2. I-0.6 J0.
    N1300 G1 X8. F750.
    N1305 G2 X5.879 Y2.879 I0. J3.
    N1310 G1 X4.879 Y3.879
    N1315 G2 X4. Y6. I2.121 J2.121
    N1320 G1 Y248.
    N1325 G2 X4.879 Y250.121 I3. J0.
    N1330 G1 X5.879 Y251.121
    N1335 G2 X8. Y252. I2.121 J-2.121
    N1340 G1 X350.
    N1345 G2 X352.121 Y251.121 I0. J-3.
    N1350 G1 X353.121 Y250.121
    N1355 G2 X354. Y248. I-2.121 J-2.121
    N1360 G1 Y6.
    N1365 G2 X353.121 Y3.879 I-3. J0.
    N1370 G1 X352.121 Y2.879
    N1375 G2 X350. Y2. I-2.121 J2.121
    N1380 G1 X184.005
    N1385 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1390 G1 Y0.8
    N1395 G19 G2 Y0.2 Z-9.4 J0. K0.6
    N1400 G0 Z5.
    N1405 X184.605
    N1410 G1 Z-8. F60.
    N1415 Z-10.4
    N1420 G3 Y0.8 Z-11. J0.6 K0. F500.
    N1425 G1 Y1.4
    N1430 G17 G3 X184.005 Y2. I-0.6 J0.
    N1435 G1 X8. F750.
    N1440 G2 X5.879 Y2.879 I0. J3.
    N1445 G1 X4.879 Y3.879
    N1450 G2 X4. Y6. I2.121 J2.121
    N1455 G1 Y248.
    N1460 G2 X4.879 Y250.121 I3. J0.
    N1465 G1 X5.879 Y251.121
    N1470 G2 X8. Y252. I2.121 J-2.121
    N1475 G1 X350.
    N1480 G2 X352.121 Y251.121 I0. J-3.
    N1485 G1 X353.121 Y250.121
    N1490 G2 X354. Y248. I-2.121 J-2.121
    N1495 G1 Y6.
    N1500 G2 X353.121 Y3.879 I-3. J0.
    N1505 G1 X352.121 Y2.879
    N1510 G2 X350. Y2. I-2.121 J2.121
    N1515 G1 X184.005
    N1520 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1525 G1 Y0.8
    N1530 G19 G2 Y0.2 Z-10.4 J0. K0.6
    N1535 G0 Z5.
    N1540 X184.605
    N1545 G1 Z-9. F60.
    N1550 Z-11.4
    N1555 G3 Y0.8 Z-12. J0.6 K0. F500.
    N1560 G1 Y1.4
    N1565 G17 G3 X184.005 Y2. I-0.6 J0.
    N1570 G1 X8. F750.
    N1575 G2 X5.879 Y2.879 I0. J3.
    N1580 G1 X4.879 Y3.879
    N1585 G2 X4. Y6. I2.121 J2.121
    N1590 G1 Y248.
    N1595 G2 X4.879 Y250.121 I3. J0.
    N1600 G1 X5.879 Y251.121
    N1605 G2 X8. Y252. I2.121 J-2.121
    N1610 G1 X350.
    N1615 G2 X352.121 Y251.121 I0. J-3.
    N1620 G1 X353.121 Y250.121
    N1625 G2 X354. Y248. I-2.121 J-2.121
    N1630 G1 Y6.
    N1635 G2 X353.121 Y3.879 I-3. J0.
    N1640 G1 X352.121 Y2.879
    N1645 G2 X350. Y2. I-2.121 J2.121
    N1650 G1 X184.005
    N1655 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1660 G1 Y0.8
    N1665 G19 G2 Y0.2 Z-11.4 J0. K0.6
    N1670 G0 Z5.
    N1675 X184.605
    N1680 G1 Z-10. F60.
    N1685 Z-12.4
    N1690 G3 Y0.8 Z-13. J0.6 K0. F500.
    N1695 G1 Y1.4
    N1700 G17 G3 X184.005 Y2. I-0.6 J0.
    N1705 G1 X8. F750.
    N1710 G2 X5.879 Y2.879 I0. J3.
    N1715 G1 X4.879 Y3.879
    N1720 G2 X4. Y6. I2.121 J2.121
    N1725 G1 Y248.
    N1730 G2 X4.879 Y250.121 I3. J0.
    N1735 G1 X5.879 Y251.121
    N1740 G2 X8. Y252. I2.121 J-2.121
    N1745 G1 X350.
    N1750 G2 X352.121 Y251.121 I0. J-3.
    N1755 G1 X353.121 Y250.121
    N1760 G2 X354. Y248. I-2.121 J-2.121
    N1765 G1 Y6.
    N1770 G2 X353.121 Y3.879 I-3. J0.
    N1775 G1 X352.121 Y2.879
    N1780 G2 X350. Y2. I-2.121 J2.121
    N1785 G1 X184.005
    N1790 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1795 G1 Y0.8
    N1800 G19 G2 Y0.2 Z-12.4 J0. K0.6
    N1805 G0 Z5.
    N1810 X184.605
    N1815 G1 Z-11. F60.
    N1820 Z-13.4
    N1825 G3 Y0.8 Z-14. J0.6 K0. F500.
    N1830 G1 Y1.4
    N1835 G17 G3 X184.005 Y2. I-0.6 J0.
    N1840 G1 X8. F750.
    N1845 G2 X5.879 Y2.879 I0. J3.
    N1850 G1 X4.879 Y3.879
    N1855 G2 X4. Y6. I2.121 J2.121
    N1860 G1 Y248.
    N1865 G2 X4.879 Y250.121 I3. J0.
    N1870 G1 X5.879 Y251.121
    N1875 G2 X8. Y252. I2.121 J-2.121
    N1880 G1 X350.
    N1885 G2 X352.121 Y251.121 I0. J-3.
    N1890 G1 X353.121 Y250.121
    N1895 G2 X354. Y248. I-2.121 J-2.121
    N1900 G1 Y6.
    N1905 G2 X353.121 Y3.879 I-3. J0.
    N1910 G1 X352.121 Y2.879
    N1915 G2 X350. Y2. I-2.121 J2.121
    N1920 G1 X184.005
    N1925 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N1930 G1 Y0.8
    N1935 G19 G2 Y0.2 Z-13.4 J0. K0.6
    N1940 G0 Z5.
    N1945 X184.605
    N1950 G1 Z-12. F60.
    N1955 Z-14.4
    N1960 G3 Y0.8 Z-15. J0.6 K0. F500.
    N1965 G1 Y1.4
    N1970 G17 G3 X184.005 Y2. I-0.6 J0.
    N1975 G1 X8. F750.
    N1980 G2 X5.879 Y2.879 I0. J3.
    N1985 G1 X4.879 Y3.879
    N1990 G2 X4. Y6. I2.121 J2.121
    N1995 G1 Y248.
    N2000 G2 X4.879 Y250.121 I3. J0.
    N2005 G1 X5.879 Y251.121
    N2010 G2 X8. Y252. I2.121 J-2.121
    N2015 G1 X350.
    N2020 G2 X352.121 Y251.121 I0. J-3.
    N2025 G1 X353.121 Y250.121
    N2030 G2 X354. Y248. I-2.121 J-2.121
    N2035 G1 Y6.
    N2040 G2 X353.121 Y3.879 I-3. J0.
    N2045 G1 X352.121 Y2.879
    N2050 G2 X350. Y2. I-2.121 J2.121
    N2055 G1 X184.005
    N2060 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N2065 G1 Y0.8
    N2070 G19 G2 Y0.2 Z-14.4 J0. K0.6
    N2075 G0 Z5.
    N2080 X184.605
    N2085 G1 Z-13. F60.
    N2090 Z-15.4
    N2095 G3 Y0.8 Z-16. J0.6 K0. F500.
    N2100 G1 Y1.4
    N2105 G17 G3 X184.005 Y2. I-0.6 J0.
    N2110 G1 X8. F750.
    N2115 G2 X5.879 Y2.879 I0. J3.
    N2120 G1 X4.879 Y3.879
    N2125 G2 X4. Y6. I2.121 J2.121
    N2130 G1 Y248.
    N2135 G2 X4.879 Y250.121 I3. J0.
    N2140 G1 X5.879 Y251.121
    N2145 G2 X8. Y252. I2.121 J-2.121
    N2150 G1 X350.
    N2155 G2 X352.121 Y251.121 I0. J-3.
    N2160 G1 X353.121 Y250.121
    N2165 G2 X354. Y248. I-2.121 J-2.121
    N2170 G1 Y6.
    N2175 G2 X353.121 Y3.879 I-3. J0.
    N2180 G1 X352.121 Y2.879
    N2185 G2 X350. Y2. I-2.121 J2.121
    N2190 G1 X184.005
    N2195 G3 X183.405 Y1.4 I0. J-0.6 F1000.
    N2200 G1 Y0.8
    N2205 G19 G2 Y0.2 Z-15.4 J0. K0.6
    N2210 G0 Z15.
    N2215 G17
    N2220 G28 G91 Z0.
    N2225 G90
    N2230 M30
    %
    You have some G19 in there not sure why it is there, your program needs to be corrected you should only be using G17=XY plane moves

    G19=YZ Moves
    Mactec54

  5. #5

    Join Date
    Dec 2021
    Posts
    14

    Re: Y axis offsetting itself at each depth pass ?

    Quote Originally Posted by mactec54 View Post
    You have some G19 in there not sure why it is there, your program needs to be corrected you should only be using G17=XY plane moves

    G19=YZ Moves
    I have done a simple test, I have written a simple GCODE file where I mark down a point at Y10 then another one at Y240. Then I make 10 back and forth travel between those points and mark them down again.

    The result is that both points are about +2mm further on the Y after the travels.. I really don't understand from where it can come.

    Any ideas ?

  6. #6
    Member
    Join Date
    Jan 2005
    Posts
    14720

    Re: Y axis offsetting itself at each depth pass ?

    Quote Originally Posted by karnalta View Post
    I have done a simple test, I have written a simple GCODE file where I mark down a point at Y10 then another one at Y240. Then I make 10 back and forth travel between those points and mark them down again.

    The result is that both points are about +2mm further on the Y after the travels.. I really don't understand from where it can come.

    Any ideas ?
    Post what you were trying to use, it does not sound right, what is the size of your plate that you want to machine and how thick is it

    Just a simple sketch of the Tabletop and how thick it is, and I will give you some code
    Mactec54

  7. #7

    Join Date
    Dec 2021
    Posts
    14
    Quote Originally Posted by mactec54 View Post
    Post what you were trying to use, it does not sound right, what is the size of your plate that you want to machine and how thick is it

    Just a simple sketch of the Tabletop and how thick it is, and I will give you some code
    Here I did not machined anything. I have just marked the plate with a pen. I wanted to ensure that it was not related to a strenght/power problem.

    Here the GCode I have used :

    %
    (1001)

    (GOTO POINT 1)
    G90
    G0 X175 Y10 Z3
    G1 Z0.2 F120

    (PAUSE)
    M0

    (GOTO POINT 2)
    G90
    G0 X175 Y240 Z3
    G1 Z0.2 F120

    (PAUSE)
    M0

    (TEST)
    G0 Z10
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000

    (GOTO POINT 1)
    G90
    G0 X175 Y10 Z3
    G1 Z0.2 F120

    (PAUSE)
    M0

    (GOTO POINT 2)
    G90
    G0 X175 Y240 Z3
    G1 Z0.2 F120

    (PAUSE)
    M0

    (END)
    G0 X340 Y250 Z50
    %

  8. #8
    Member
    Join Date
    Jan 2005
    Posts
    14720

    Re: Y axis offsetting itself at each depth pass ?

    Quote Originally Posted by karnalta View Post
    Here I did not machined anything. I have just marked the plate with a pen. I wanted to ensure that it was not related to a strenght/power problem.

    Here the GCode I have used :

    %
    (1001)

    (GOTO POINT 1)
    G90
    G0 X175 Y10 Z3
    G1 Z0.2 F120

    (PAUSE)
    M0

    (GOTO POINT 2)
    G90
    G0 X175 Y240 Z3
    G1 Z0.2 F120

    (PAUSE)
    M0

    (TEST)
    G0 Z10
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000
    G1 Y10 F1000
    G1 Y240 F1000

    (GOTO POINT 1)
    G90
    G0 X175 Y10 Z3
    G1 Z0.2 F120

    (PAUSE)
    M0

    (GOTO POINT 2)
    G90
    G0 X175 Y240 Z3
    G1 Z0.2 F120

    (PAUSE)
    M0

    (END)
    G0 X340 Y250 Z50
    %
    You should never have a X Y and Z move in the same line, at the end of the program also, always move the Z axis first I'm not sure what you are trying to do with this program

    G0Z3.
    G0X175Y10.

    Where is you X0Y0. start point, draw a sketch of your table
    Mactec54

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