
07162019, 09:17 PM #1
Haas 4th axis with slightly jerky rotation during program using simultaneous a and x
Machine: Haas TM3P
Rotary: HRT2102P3
Lately, I've been working on a cylindrical part that uses both x and a (4th) axes. I am programming in Fusion 360 using the 2D adaptive pocket command and it's generating what looks like a good tool path. I went to do a dry run to see how the rotary would handle it and it did seem to work, but the rotation of the rotary table didn't seem very smooth. It seemed like it was accelerating/decelerating after each line of code. For the part I'm working on, I'm going to need it to be smooth for a nice finish. Just looking at it, and the way it jerks/lags, I know the finish is going to look like crap. On a side note, if I hand jog the 4th axis, it's buttery smooth rotation. This is why I believe it to be a settings/code related issue.
So far, I have scoured the internet and I've tried a few things:
1. Enable G187 P3  did nothing.
2. Remove G64 from code (disable exact stop)  did nothing.
3. Messing with 4th axis acceleration parameters  didn't have the balls to mess with it (I'm just going to assume they are good).
4. Turn smoothing on in Fusion and set tolerance to ridiculously small amount  did nothing.
5. Enable parameter 315:23 (force all rapid moves to use G01)  did nothing.
6. Insert M11 (unclamp 4th axis) mcode at beginning of program  4th already unclamped, did nothing.
I've been reading some more and it looks like the High Speed Machining option might help me out with this as it can look ahead in the code  preventing unnecessary acceleration/deceleration between blocks. If this works, I'll be quick to report back.
Here are two videos and a picture to show what's going on. Ignore the fixture currently on the rotary table; it's for another production part unrelated to my tooling job.
Thanks in advance for any help/advice!


07172019, 04:25 PM #2
You are going to get a billion lines of code trying to do a tool path like that. Haas machines don't do well with in that situation. Do whatever you can to try and decrease the number of lines of code (decrease tolerance, use an alternate style tool path like Flowline, use G187 P1 etc). High Speed option will help.

controlled_burn liked this post

07172019, 10:21 PM #3
Yup ^ exactly what he said. The Haas I used to run would jerk and jiggle as the amount of lines went up.It fights for exact positioning and tries too hard. That rotory also hated to be turn(unlocked)when milling,even Haas said something about it not being designed for turning while milling. That's at least what I was told.

controlled_burn liked this post

07182019, 12:09 AM #4
for the 1st 5 years we had our 2009 vf2ss with a 210 we did lots of 4th axis work mainly surfacing, never had any jerking problems. we do have HSM.
our parameters were factory stock.
if I recall there was a G code we used to swap the y axis with the A axis(plane). Its kinda like a wrap so to speak( dont know the technical term)I have it written down somewhere I am sure, if I remember I will look for it tomorrow. Basically the Y axis stays put and the a axis(4th ) is the only thing thats moves with Z and A and X moving as necc.
does gear and spline profiles, spiral, text etc etc
finish was always extremely nice while rotating.
if your program is putting out line segments thats one problem why your getting a jerky motion and have very long programs.
There use to be a video on haas explaining on how to do it thats where I got it from.
you can always call the haas guys they will be able to tell you, I am sure someone in here will know how.

controlled_burn liked this post

07182019, 12:17 AM #5


07182019, 02:29 AM #6
I have done a fair amount of 4th axis programming over the years. Most of it without cam. Sometimes I find I have to use a G93 ( inverse timing) in like cutting threads and such . It works the axis in a smoother simultaneous movement around the part.

07192019, 03:59 PM #7
I think you're right. I ended up just running the part because I couldn't figure out a solution to the jerky motion. I wasn't able to tweak the tool path in Fusion to give me fewer lines of code. No matter what I did, there still were thousands just for the wrapped pocket op. I also tried doing a dry run with HSM enabled, but no luck. I've included some pictures below of the part. I think I could have made it look better if I had smaller stepover since I was milling a cylinder with a square end mill. I'll keep playing around with the rotary and tool paths to see if I can get it to run more smoothly.

07192019, 07:55 PM #8
Try dropping the feed rate. I've been making similar toolpaths in fusion lately, but in stainless. I loaded up an aluminum blank and cranked the feed rate and had similar jerkiness. I couldn't figure it out because my dry run was smooth. So I started bumping the feed rate down and at a certain threshold the pausing stopped.
This was with a 2002 VF3 hrt160 , HSM option , inverse time and smoothing applied.
Not sure what is exactly happening, if I'm hitting the limits of the equipment or the control or the software but going slower sorted it out. And it didn't get gradually better , it just hit a cutoff point where above that it would pause and below it would run continuous .

controlled_burn liked this post

07192019, 08:05 PM #9
Draw your part flat ie with x and y, draw a finish pass then offset the finish pass every .010 or less step over, then trim those pass's so you dont cut air.
Then use the g code I mentioned above switch y to A (cylinder mapping g107)
this will change you y axis to a axis movement.
now if you cant draw a arc in your software with out segments than you will have segments if you get g3 or g2s and g01s you will be fine.


07192019, 10:58 PM #10
Post up some code, and I mean a fair bit of it.
I do tons of work like this on my old ass fadals, no problem.
I have a feeleing the jerkiness you are seeing is a matter of the nc code not being suitable.
What year vintage is your machine?
Need to see the code.

07202019, 10:42 AM #11
This is mostly just thoughts and a few questions..
And I'd like to see a sample of the code also...
Thought.. A spiral pocket doesn't seem like a code friendly idea when
you have the A axis involved. (I'm assuming part is oriented along the
X)
As your tool is attemting to make a spiral on the cylinder, your X has
to constantly change feed rates to kind of falsify the Y (if that makes sense).
I'm guessing that you are seeing a lot of feed rate changes in your segments..
Who ever said it up there, if you can code it as a wrap, you would eliminate all
that, and it might get rid of your jerkiness..
Another thought. On an old Fadal, it can do a simultaneous 4 axis move,
I'm pretty sure it will even do one with an arc. I know it will do a
YZJKA move, but it will NOT do it fast. About 7ipm if I remember right.
So if you can code so that you are only doing 2 axis moves, that might help,
back and forth instead of a spiral pocket, or at least linear 3 axis moves,
no spirals..
Just tossing some thoughts out.

07212019, 02:12 PM #12
I have this problem with our 2015 VF3SS and HRT310 4th axis. I had to adjust the tolerance and smoothing so the cam output G02/03 moves instead of thousands of short G01 movements. This machine does not have the HSM option. By contrast on our new 2019 VF5  regular machine not an SS  but with the HSM option it runs silky smooth without any filtering of the toolpath.

07222019, 11:46 AM #13
Here's the code I used:
%
O01001
(Using high feed G1 F400. instead of G0.)
(T2 D=0.5 CR=0.  flat end mill)
(T6 D=0.3125 CR=0.  flat end mill)
N10 G90 G17
N15 G20
N20 G53 G0 Z0.
(2D Adaptive2)
N25 T1 M6
N30 S5990 M3
N35 G54
N40 M11
N45 G0 A11.844
N50 M8
N55 G187 P3
N60 G0 X1.5521 Y0.
N65 G43 Z0.825 H1
N70 T2
N75 G1 A11.844 F303.03
N80 Z0.7254 F400.
N85 Z0.725
N90 X1.5163 Z0.7231 A16.064 F17.241
N95 X1.4687 Z0.7212 A18.666
N100 X1.4154 Z0.7194 A19.31
N105 X1.3634 Z0.7175 A17.912
N110 X1.3196 Z0.7156 A14.654
N115 X1.2895 Z0.7137 A9.962
N120 X1.2772 Z0.7118 A4.447
N125 X1.2842 Z0.7099 A1.171
N130 X1.3096 Z0.7081 A6.16
N135 X1.3502 Z0.7062 A9.869
N140 X1.4005 Z0.7043 A11.814
N145 X1.4541 Z0.7024 A11.742 F17.748
N150 X1.504 Z0.7005 A9.661
N155 X1.5436 Z0.6986 A5.844
N160 X1.5678 Z0.6968 A0.788
N165 X1.5734 Z0.6949 A4.848
N170 X1.5598 Z0.693 A10.328
N175 X1.5286 Z0.6911 A14.937
N180 X1.484 Z0.6892 A18.075
N185 X1.4317 Z0.6874 A19.332
N190 X1.3786 Z0.6855 A18.544
N195 X1.3316 Z0.6836 A15.815
N200 X1.2969 Z0.6817 A11.499 F18.286
N205 X1.2789 Z0.6798 A6.16
N210 X1.28 Z0.6779 A0.494
N215 X1.3001 Z0.6761 A4.759
N220 X1.3366 Z0.6742 A8.915
N225 X1.3846 Z0.6723 A11.432
N230 X1.438 Z0.6704 A11.981
N235 X1.4897 Z0.6685 A10.491
N240 X1.533 Z0.6666 A7.155
N245 X1.5623 Z0.6648 A2.41
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N255 X1.5659 Z0.661 A8.731
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N265 X1.4986 Z0.6572 A17.31
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N860 X1.3103 A18.318
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N920 X1.5305 A18.883
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N930 X1.5632 A16.817
N935 X1.5783 A15.582
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N955 X1.628 A9.493
N960 X1.6386 A7.485
N965 X1.6547 A3.786
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N985 X1.6826 A8.022
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N995 X1.6821 A12.636
N1000 X1.6794 A14.8
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N15795 X2.9462 A15.885
N15800 X2.9455 A17.413
N15805 X2.9428 A22.
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N15840 X2.9136 A41.874
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N15855 X2.8876 A49.518
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N15885 X2.83 A58.691
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N15895 X2.7828 A63.277
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N15910 X2.7587 A65.249
N15915 X2.7298 A67.285
N15920 X2.7213 A67.864
N15925 X2.6999 A69.153
N15930 X2.685 A69.532 F23.063
N15935 X2.6702 A69.119
N15940 X2.6583 A67.888 F27.629
N15945 X2.6541 A66.186
N15950 X2.6546 A62.304
N15955 X2.6551 A58.422
N15960 X2.6555 A54.54
N15965 X2.656 A50.658
N15970 X2.6565 A46.776
N15975 X2.657 A42.894
N15980 X2.6575 A39.012
N15985 X2.6579 A35.13
N15990 X2.6584 A31.248
N15995 X2.6589 A27.366
N16000 X2.6594 A23.484
N16005 X2.6599 A19.603
N16010 X2.6603 A15.721
N16015 X2.6608 A11.839
N16020 X2.6613 A7.957
N16025 X2.6618 A4.075
N16030 X2.6623 A0.193
N16035 X2.6627 A3.689
N16040 X2.6632 A7.571
N16045 X2.6637 A11.453
N16050 X2.6642 A15.335
N16055 X2.6646 A19.217
N16060 X2.6651 A23.099
N16065 X2.6656 A26.981
N16070 X2.6661 A30.863
N16075 X2.6666 A34.745
N16080 X2.667 A38.627
N16085 X2.6675 A42.509
N16090 X2.668 A46.391
N16095 X2.6685 A50.273
N16100 X2.669 A54.154
N16105 X2.6694 A58.036
N16110 X2.6739 A59.694
N16115 X2.6856 A60.889
N16120 X2.7005 A61.297 F23.063
N16125 X2.7153 A60.912
N16130 X2.7212 A60.555 F27.629
N16135 X2.7298 A59.971
N16140 X2.7587 A57.93
N16145 X2.7646 A57.498
N16150 X2.7731 A56.831
N16155 X2.7827 A55.969
N16160 X2.8165 A52.826
N16165 X2.8302 A51.382
N16170 X2.8454 A49.51
N16175 X2.8537 A48.325
N16180 X2.8637 A46.796
N16185 X2.8743 A44.908
N16190 X2.8804 A43.739
N16195 X2.8888 A41.893
N16200 X2.894 A40.681
N16205 X2.9095 A36.095
N16210 X2.9137 A34.566
N16215 X2.9207 A31.508
N16220 X2.9241 A29.979
N16225 X2.9294 A26.922
N16230 X2.9322 A25.105
N16235 X2.9354 A22.335
N16240 X2.9372 A20.807
N16245 X2.9389 A19.278
N16250 X2.9427 A14.691
N16255 X2.9454 A10.105
N16260 X2.9461 A8.576
N16265 X2.9465 A7.456
N16270 X2.9428 A5.886 F23.063
N16275 X2.9325 A4.691
N16280 X2.9141 Z0.5512 A3.402
N16285 X2.9065 Z0.5732 A2.869 F21.805
N16290 Z0.7254 F400.
N16295 X0.4684 A7.187 F344.64
N16300 Z0.6045 F400.
N16305 Z0.5732 F20.
N16310 X0.4638 Z0.5512 A8.018 F21.805
N16315 X0.4525 Z0.542 A10.026 F22.68
N16320 X0.4438 A13.163
N16325 A43.739 F27.629
N16330 X0.4451 A46.538
N16335 X0.4481 A48.984
N16340 X0.4543 A52.036
N16345 X0.4634 A55.247
N16350 X0.4781 A59.23
N16355 X0.4971 A63.381
N16360 X0.5241 A68.23
N16365 X0.5599 A73.608
N16370 X0.6005 A78.79
N16375 X0.6446 A83.653
N16380 X0.6915 A88.208
N16385 X0.7409 A92.459
N16390 X0.7926 A96.392
N16395 X0.8464 A100.001
N16400 X0.9021 A103.275
N16405 X0.9594 A106.205
N16410 X1.0183 A108.786
N16415 X1.0784 A111.011
N16420 X1.1021 A111.735
N16425 X1.1154 A112.003
N16430 X1.1289 A112.007
N16435 X1.1421 A111.749
N16440 X1.1975 A110.107
N16445 X1.2553 A108.421
N16450 X1.3276 A106.349
N16455 X1.4143 A103.904
N16460 X1.4169 A103.832
N16465 X1.4301 A103. F23.063
N16470 X1.4379 A101.609
N16475 X1.4369 A99.444 F27.629
N16480 X1.4235 A97.806
N16485 X1.3652 A94.255
N16490 X1.3069 A90.704
N16495 X1.2486 A87.153
N16500 X1.1903 A83.602
N16505 X1.132 A80.051
N16510 X1.0737 A76.501
N16515 X1.0154 A72.95
N16520 X0.9571 A69.399
N16525 X0.8987 A65.848
N16530 X0.8404 A62.297
N16535 X0.7821 A58.746
N16540 X0.7238 A55.195
N16545 X0.6655 A51.644
N16550 X0.6072 A48.093
N16555 X0.5489 A44.542
N16560 X0.4906 A40.991
N16565 X0.4746 A40.551
N16570 X0.4587 A41.031
N16575 X0.448 A42.185 F23.063
N16580 X0.4438 A43.739
N16585 A65.142 F27.629
N16590 X0.4446 A66.845
N16595 X0.4469 A68.757
N16600 X0.4515 A70.996
N16605 X0.4591 A73.693
N16610 X0.4693 A76.45
N16615 X0.485 A79.878
N16620 X0.5047 A83.418
N16625 X0.5326 A87.61
N16630 X0.5694 A92.302
N16635 X0.6139 A97.122
N16640 X0.6617 A101.569
N16645 X0.7123 A105.669
N16650 X0.7651 A109.432
N16655 X0.8199 A112.869
N16660 X0.8763 A115.985
N16665 X0.9023 A117.235
N16670 X0.9147 A117.696
N16675 X0.9277 A117.914
N16680 X0.9409 A117.879
N16685 X0.9538 A117.594
N16690 X0.9807 A116.727
N16695 X1.0385 A114.905
N16700 X1.0819 A113.567
N16705 X1.1421 A111.749
N16710 X1.1551 A110.893 F23.063
N16715 X1.1627 A109.488
N16720 X1.1617 A107.405 F27.629
N16725 X1.1491 A105.799
N16730 X1.0669 A100.381
N16735 X0.9847 A94.963
N16740 X0.9025 A89.545
N16745 X0.8203 A84.126
N16750 X0.7381 A78.708
N16755 X0.6559 A73.29
N16760 X0.5737 A67.872
N16765 X0.4915 A62.454
N16770 X0.4752 A61.954
N16775 X0.4587 A62.434
N16780 X0.448 A63.588 F23.063
N16785 X0.4438 A65.142
N16790 A82.799 F27.629
N16795 X0.4445 A84.383
N16800 X0.4468 A86.235
N16805 X0.4508 A88.179
N16810 X0.457 A90.376
N16815 X0.4668 A93.035
N16820 X0.479 A95.69
N16825 X0.4972 A98.948
N16830 X0.5193 A102.272
N16835 X0.5501 A106.179
N16840 X0.5898 A110.475
N16845 X0.6378 A114.898
N16850 X0.689 A118.911
N16855 X0.735 A122.047
N16860 X0.7466 A122.684
N16865 X0.759 A123.096
N16870 X0.7718 A123.268
N16875 X0.7848 A123.196
N16880 X0.7975 A122.881
N16885 X0.8361 A121.524
N16890 X0.894 A119.558
N16895 X0.9373 A118.127
N16900 X0.9538 A117.594
N16905 X0.9666 A116.71 F23.063
N16910 X0.9739 A115.288
N16915 X0.9727 A113.255 F27.629
N16920 X0.9604 A111.684
N16925 X0.9019 A107.74
N16930 X0.8433 A103.795
N16935 X0.7847 A99.851
N16940 X0.7261 A95.906
N16945 X0.6675 A91.962
N16950 X0.6089 A88.017
N16955 X0.5504 A84.073
N16960 X0.4918 A80.128
N16965 X0.4753 A79.611
N16970 X0.4587 A80.092
N16975 X0.448 A81.246 F23.063
N16980 X0.4438 A82.799
N16985 A98.775 F27.629
N16990 X0.4447 A100.714
N16995 X0.4466 A102.286
N17000 X0.4503 A104.111
N17005 X0.4565 A106.271
N17010 X0.4645 A108.427
N17015 X0.4764 A111.011
N17020 X0.492 A113.805
N17025 X0.5124 A116.877
N17030 X0.5387 A120.219
N17035 X0.5719 A123.805
N17040 X0.5992 A126.31
N17045 X0.6025 A126.573
N17050 X0.6149 A127.353
N17055 X0.6286 A127.859
N17060 X0.6429 A128.072
N17065 X0.6573 A127.983
N17070 X0.6712 A127.596
N17075 X0.6916 A126.796
N17080 X0.735 A125.155
N17085 X0.7494 A124.615
N17090 X0.7928 A123.046
N17095 X0.7975 A122.881
N17100 X0.8101 A121.964 F23.063
N17105 X0.8171 A120.524
N17110 X0.8155 A118.528 F27.629
N17115 X0.8033 A116.994
N17120 X0.7254 A111.771
N17125 X0.6475 A106.547
N17130 X0.5696 A101.324
N17135 X0.4917 A96.101
N17140 X0.4753 A95.587
N17145 X0.4587 A96.068
N17150 X0.448 A97.221 F23.063
N17155 X0.4438 A98.775
N17160 A114.063 F27.629
N17165 X0.4447 A116.
N17170 X0.4466 A117.572
N17175 X0.4503 A119.376
N17180 X0.4555 A121.191
N17185 X0.4633 A123.292
N17190 X0.4721 A125.201
N17195 X0.4822 A127.004
N17200 X0.4924 A128.519
N17205 X0.4972 A129.129
N17210 X0.5065 A130.112
N17215 X0.5173 A130.903
N17220 X0.5293 A131.474
N17225 X0.5421 A131.809
N17230 X0.5552 A131.895
N17235 X0.5683 A131.73
N17240 X0.5809 A131.319
N17245 X0.5929 A130.312 F23.063
N17250 X0.5989 A128.824
N17255 X0.5937 A126.423 F27.629
N17260 X0.5704 A122.89
N17265 X0.5471 A119.357
N17270 X0.5239 A115.824
N17275 X0.5006 A112.292
N17280 X0.4814 A110.946
N17285 X0.4587 A111.356
N17290 X0.448 A112.509 F23.063
N17295 X0.4438 A114.063
N17300 A127.822 F27.629
N17305 X0.4445 A129.406
N17310 X0.4491 A130.704
N17315 X0.4562 A131.867
N17320 X0.4655 A132.842
N17325 X0.4766 A133.582
N17330 X0.4889 A134.054
N17335 X0.5019 A134.235
N17340 X0.5149 A134.117
N17345 X0.5275 A133.705
N17350 X0.5392 A132.673 F23.063
N17355 X0.545 A131.173
N17360 X0.5425 A129.376 F27.629
N17365 X0.5315 A127.986
N17370 X0.4925 A125.2
N17375 X0.4757 A124.635
N17380 X0.4587 A125.115
N17385 X0.448 A126.269 F23.063
N17390 X0.4438 A127.822
N17395 A132.409 F27.629
N17400 X0.4442 A133.034
N17405 X0.4449 A133.346
N17410 X0.4458 A133.658
N17415 X0.447 A133.938
N17420 X0.449 A134.309
N17425 X0.4518 A134.68
N17430 X0.4539 A134.92
N17435 X0.456 A135.119
N17440 X0.4603 A135.423
N17445 X0.4611 A135.466
N17450 X0.4645 A135.629
N17455 X0.4679 A135.743
N17460 X0.4713 A135.813
N17465 X0.4748 A135.842
N17470 X0.4784 A135.83
N17475 X0.482 A135.773
N17480 X0.4856 A135.669
N17485 X0.4902 A135.466
N17490 X0.5037 A134.809
N17495 X0.5326 A133.47
N17500 X0.5558 A132.409
N17505 X0.6049 A130.285
N17510 X0.6338 A129.087
N17515 X0.6482 A128.5
N17520 X0.6712 A127.596
N17525 X0.6835 A126.632 F23.063
N17530 X0.69 A125.167
N17535 X0.6942 Z0.5512 A122.873
N17540 X0.6959 Z0.5732 A121.923 F21.805
N17545 Z0.825 F400.
N17550 G53 G0 Z0.
(2D Contour4)
N17555 M11
N17560 G0 A169.305
N17565 G187 P3
N17570 G0 X0.0389 Y0.
N17575 G43 Z1.225 H1
N17580 G1 A169.305 F204.082
N17585 Z0.825 F400.
N17590 Z0.6644 F20.
N17595 Z0.5732
N17600 X0.0394 Z0.5678 A169.319 F21.805
N17605 X0.0407 Z0.5626 A169.361
N17610 X0.0429 Z0.5576 A169.43
N17615 X0.0459 Z0.5532 A169.524 F22.416
N17620 X0.0496 Z0.5493 A169.64
N17625 X0.0539 Z0.5462 A169.774
N17630 X0.0586 Z0.5439 A169.923
N17635 X0.0637 Z0.5425 A170.081 F22.983
N17640 X0.0689 Z0.542 A170.244
N17645 X0.0989 A171.183
N17650 X0.1042 A171.298
N17655 X0.1096 A171.313
N17660 X0.115 A171.228
N17665 X0.1202 A171.046
N17670 X0.125 A170.771
N17675 X0.1292 A170.413
N17680 X0.1329 A169.982
N17685 X0.1357 A169.491
N17690 X0.1377 A168.955
N17695 X0.1413 A167.654 F27.629
N17700 X0.1438 A166.844
N17705 X0.1467 A166.05
N17710 X0.1517 A164.78
N17715 X0.1545 A164.107
N17720 X0.1575 A163.447
N17725 X0.1636 A162.215
N17730 X0.1695 A161.116
N17735 X0.1766 A159.926
N17740 X0.1823 A159.021
N17745 X0.19 A157.879
N17750 X0.1955 A157.13
N17755 X0.2038 A156.042
N17760 X0.2088 A155.415
N17765 X0.2175 A154.385
N17770 X0.2224 A153.836
N17775 X0.2314 A152.863
N17780 X0.2361 A152.377
N17785 X0.2454 A151.453
N17790 X0.2499 A151.031
N17795 X0.2595 A150.148
N17800 X0.2653 A149.643
N17805 X0.2853 A147.973
N17810 X0.2913 A147.496
N17815 X0.3124 A145.909
N17820 X0.3173 A145.559
N17825 X0.3393 A144.031
N17830 X0.3436 A143.738
N17835 X0.3664 A142.267
N17840 X0.3703 A142.022
N17845 X0.3938 A140.605
N17850 X0.3973 A140.398
N17855 X0.4213 A139.035
N17860 X0.4245 A138.861
N17865 X0.4488 A137.551
N17870 X0.4517 A137.401
N17875 X0.4763 A136.143
N17880 X0.4789 A136.018
N17885 X0.5036 A134.811
N17890 X0.5058 A134.707
N17895 X0.5304 A133.552
N17900 X0.5323 A133.467
N17905 X0.5567 A132.365
N17910 X0.5583 A132.293
N17915 X0.5823 A131.242
N17920 X0.5838 A131.177
N17925 X0.6076 A130.166
N17930 X0.609 A130.107
N17935 X0.6327 A129.125
N17940 X0.634 A129.073
N17945 X0.6579 A128.109
N17950 X0.6591 A128.062
N17955 X0.6832 A127.113
N17960 X0.6843 A127.07
N17965 X0.7087 A126.133
N17970 X0.7097 A126.094
N17975 X0.7344 A125.169
N17980 X0.7353 A125.134
N17985 X0.7602 A124.219
N17990 X0.7611 A124.186
N17995 X0.7861 A123.28
N18000 X0.787 A123.251
N18005 X0.8123 A122.353
N18010 X0.8131 A122.326
N18015 X0.8387 A121.435
N18020 X0.8394 A121.41
N18025 X0.8652 A120.526
N18030 X0.8659 A120.503
N18035 X0.8918 A119.628
N18040 X0.8925 A119.606
N18045 X0.9186 A118.739
N18050 X0.9192 A118.718
N18055 X0.9455 A117.859
N18060 X0.946 A117.841
N18065 X0.9724 A116.991
N18070 X0.9729 A116.973
N18075 X0.9993 A116.133
N18080 X0.9998 A116.116
N18085 X1.0263 A115.285
N18090 X1.0267 A115.27
N18095 X1.0532 A114.447
N18100 X1.0537 A114.433
N18105 X1.0801 A113.62
N18110 X1.0806 A113.607
N18115 X1.107 A112.802
N18120 X1.1074 A112.79
N18125 X1.1339 A111.994
N18130 X1.1342 A111.983
N18135 X1.1606 A111.195
N18140 X1.1609 A111.185
N18145 X1.1873 A110.406
N18150 X1.1876 A110.396
N18155 X1.2139 A109.625
N18160 X1.2142 A109.617
N20440 X2.3072 A274.298
N20445 X2.2524 A272.531
N20450 X2.1966 A270.792
N20455 X2.14 A269.078
N20460 X2.0828 A267.387
N20465 X2.0253 A265.719
N20470 X1.9674 A264.071
N20475 X1.9094 A262.442
N20480 X1.8514 A260.83
N20485 X1.7936 A259.233
N20490 X1.7361 A257.653
N20495 X1.6791 A256.088
N20500 X1.6226 A254.541
N20505 A254.54 F23.96
N20510 X1.5669 A253.012 F27.629
N20515 X1.5668 A253.008
N20520 X1.512 A251.5
N20525 X1.5118 A251.494
N20530 X1.4578 A250.
N20535 X1.4575 A249.992
N20540 X1.4034 A248.481
N20545 X1.403 A248.471
N20550 X1.3477 A246.914
N20555 X1.3473 A246.902
N20560 X1.2909 A245.295
N20565 X1.2904 A245.28
N20570 X1.2331 A243.628
N20575 X1.2325 A243.611
N20580 X1.1748 A241.917
N20585 X1.174 A241.895
N20590 X1.1161 A240.163
N20595 X1.1152 A240.137
N20600 X1.0571 A238.364
N20605 X1.0562 A238.334
N20610 X0.9981 A236.519
N20615 X0.997 A236.484
N20620 X0.9392 A234.627
N20625 X0.9379 A234.586
N20630 X0.8806 A232.688
N20635 X0.8791 A232.638
N20640 X0.8226 A230.699
N20645 X0.8209 A230.64
N20650 X0.7653 A228.659
N20655 X0.7633 A228.588
N20660 X0.7089 A226.563
N20665 X0.7067 A226.478
N20670 X0.6536 A224.408
N20675 X0.6509 A224.302
N20680 X0.5989 A222.16
N20685 X0.5966 A222.061
N20690 X0.5703 A220.929
N20695 X0.5686 A220.854
N20700 X0.5419 A219.663
N20705 X0.54 A219.574
N20710 X0.5129 A218.322
N20715 X0.5107 A218.215
N20720 X0.4835 A216.903
N20725 X0.481 A216.776
N20730 X0.4539 A215.404
N20735 X0.4509 A215.248
N20740 X0.4242 A213.816
N20745 X0.4207 A213.625
N20750 X0.3944 A212.13
N20755 X0.3905 A211.898
N20760 X0.3648 A210.337
N20765 X0.3603 A210.052
N20770 X0.3355 A208.423
N20775 X0.3304 A208.073
N20780 X0.3066 A206.372
N20785 X0.3024 A206.056
N20790 X0.2909 A205.177
N20795 X0.2875 A204.908
N20800 X0.2764 A204.002
N20805 X0.2725 A203.676
N20810 X0.2617 A202.737
N20815 X0.2574 A202.351
N20820 X0.2469 A201.371
N20825 X0.2423 A200.923
N20830 X0.2321 A199.894
N20835 X0.2273 A199.386
N20840 X0.2175 A198.301
N20845 X0.2124 A197.708
N20850 X0.2029 A196.559
N20855 X0.1968 A195.763
N20860 X0.1879 A194.542
N20865 X0.1813 A193.545
N20870 X0.1733 A192.254
N20875 X0.1666 A191.074
N20880 X0.1597 A189.725
N20885 X0.1564 A189.027
N20890 X0.1533 A188.314
N20895 X0.1477 A186.918
N20900 X0.1433 A185.682
N20905 X0.1411 A184.97
N20910 X0.1384 A184.045
N20915 X0.1366 A183.326
N20920 X0.1347 A182.785 F23.063
N20925 X0.132 A182.287
N20930 X0.1285 A181.846
N20935 X0.1243 A181.476
N20940 X0.1196 A181.188
N20945 X0.1145 A180.992
N20950 X0.1091 A180.892
N20955 X0.1037 F20.
N20960 X0.0983 A180.993 F23.063
N20965 X0.0681 A181.85
N20970 X0.0629 Z0.5425 A181.999
N20975 X0.0578 Z0.5439 A182.143
N20980 X0.053 Z0.5462 A182.278
N20985 X0.0487 Z0.5493 A182.401
N20990 X0.045 Z0.5532 A182.506
N20995 X0.042 Z0.5576 A182.592 F22.416
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N21005 X0.0384 Z0.5678 A182.694
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N21015 Z1.225 F400.
N21020 M5
N21025 G53 G0 Z0.
(2D Contour5)
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N21035 M1
N21040 T4 M6
N21045 S5500 M3
N21050 G54
N21055 M11
N21060 G0 A178.936
N21065 M8
N21070 G187 P3
N21075 G0 X0.1125 Y0.
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N21100 Z0.7244 F20.
N21105 Z0.615
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N21115 X0.1105 Z0.6009
N21120 X0.108 Z0.5942
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N21195 X0.0253 A177.112
N21200 X0.0296 A176.508
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N21210 X0.0355 A175.14
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N21225 A5.744 F18.252
N21230 A180.959 F22.124
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N21250 X0.0296 A183.817
N21255 X0.0253 A184.42
N21260 X0.0202 A184.954
N21265 X0.0145 A185.406
N21270 X0.0083 A185.767
N21275 X0.0016 A186.031
N21280 X0.0054 A186.191
N21285 X0.0125 A186.245
N21290 X0.0625 F20.
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N21350 Z0.825 F400.
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N21580 A120.626
N21585 A119.2
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N21595 A116.347
N21600 A114.92
N21605 A113.494
N21610 A112.067
N21615 A110.641
N21620 A109.214
N21625 A107.788
N21630 A106.361
N21635 A104.935
N21640 A103.508
N21645 A102.082
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N22825 X0.0625 F20.
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N22875 X0.112 Z0.5849
N22880 X0.1125 Z0.592
N22885 Z1.225 F400.
N22890 M5
N22895 M9
N22900 G53 G0 Z0.
N22905 M11
N22910 G0 A0.
N22915 M10
N22920 X3.0688
N22925 G53 G0 Y0.
N22930 M30
%

07222019, 11:51 AM #14
Thanks, you bring up a good point. My rotary can only move so fast (relatively slow) and I had my feed rate at 21 ipm. I know I can go way faster with carbide and aluminum, but I ran it the way I did because the part was cantilevered out a bit. Even at 21 ipm, I bet that might have been asking the rotary to rotate faster than it can. I'll drop the feed rate and see what happens.

07222019, 12:11 PM #15
I posted a bunch of code above this post if you'd like to check it out. In Fusion, it does give me the "wrap toolpath" option, so I am only moving 2 axes (x and a). I'm really not sure how to do it using the g107. I'd have to see an example in order to understand that one. But either way, it seems like I'd end up with code moving 2 axes...
Another guy on here mentioned dropping the feed rate. I'm definitely going to give that a try.

07222019, 12:13 PM #16

07222019, 01:21 PM #17
He's talking about letting the machine wrap the profile around the part, not letting the cam program do it.
Basically program as if in XY, yet you use some code, with a factor for the diameter, and the machine
substitutes the A axis motion for Y. You may also need to mirror it, but there should be a code for
that also.. Get rid of all that tiny line segment crap.
You can see an example for a Fadal. Section 12 of the user manual. Just google Fadal Tech Docs.
On a Fadal its G17 Qword.
That should allow the machine to treat your paths as if they are nothing more than a regular
old G2 or G3.

controlled_burn liked this post

07222019, 06:28 PM #18
Ive found on my Fadals that having a feedrate on any line involving the rotary axis will cause the machine to limp into DPM mode, for whatever reason.
Try changing your fast (rapid) feedrate to the same as your desired feedrate.
Then delete any F values (get rid of f entirely) except your first feed move (before it makes an A move).
Im willing to bet this cleans it up.
I have no problems feeding at up to 60ipm on my old falads on the rotary.

07222019, 07:10 PM #19

07222019, 10:34 PM #20
In the parameters there is one for A axis diameter, it controls/alters the feed rate for the rotory based on what dia you have in it.I'd try changing that as well , it kind of acts like the override only just for the a axis.
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