
10022018 #301

10022018 #302

10022018 #303

11022018 #304
Keep getting this strange behaviour from the machine.
Just keeps stuttering, even when just going along a straight path on 1 axis it will judder a lot.
Does it every so often and most of the time I have to turn it off and on again.
Any ideas?

13022018 #305

13022018 #306
Sounds like chatter to me..
Avoiding the rubbish customer service from AluminiumWarehouse since July '13.

Correct it is resonance. Either lower your rpm or up your feedrate.....a lot. This is where having a machine with no rigidity and physical weight plays a big part and restricts what you can do, there is only so far you can push a machine like that.

14022018 #308
Just noticed my RPM was 12k not 6k xD

14022018 #309
Not sure what I am doing wrong here.
It worked before but for some reason is not now...
I am cutting out some holes for some components in the rear of my case.
I am using a 4mm roughing bit to do this (the rough edges help in this case).
I have my part upright in the vice and around 1015mm clearance luckily.
Here is what it is showing in F360.
Here is the Gcode;
Code:(T5 D=4. CR=0.  ZMIN=3.5  FLAT END MILL) G90 G94 G91.1 G40 G49 G17 G21 G28 G91 Z0. G90 (POCKET1) M5 M9 T5 M6 S6000 M3 G54 M7 G0 X22.399 Y9.291 G43 Z15. H2 Z5. G1 Z4.6 F100. G3 X22.398 Y9.272 Z4.479 I1.9 J0.031 F150. X22.399 Y9.218 Z4.369 I1.9 J0.013 X22.402 Y9.133 Z4.281 I1.9 J0.042 X22.413 Y9.026 Z4.223 I1.896 J0.127 X22.431 Y8.907 Z4.2 I1.886 J0.234 X26.165 Y9.613 Z3.992 I1.867 J0.353 X22.431 Y8.907 Z3.783 I1.867 J0.353 X26.165 Y9.613 Z3.575 I1.867 J0.353 X22.431 Y8.907 Z3.366 I1.867 J0.353 X26.165 Y9.613 Z3.158 I1.867 J0.353 X22.431 Y8.907 Z2.949 I1.867 J0.353 X26.165 Y9.613 Z2.741 I1.867 J0.353 X22.431 Y8.907 Z2.532 I1.867 J0.353 X26.165 Y9.613 Z2.324 I1.867 J0.353 X22.431 Y8.907 Z2.116 I1.867 J0.353 X26.165 Y9.613 Z1.907 I1.867 J0.353 X22.431 Y8.907 Z1.699 I1.867 J0.353 X26.165 Y9.613 Z1.49 I1.867 J0.353 X22.431 Y8.907 Z1.282 I1.867 J0.353 X26.165 Y9.613 Z1.073 I1.867 J0.353 X22.431 Y8.907 Z0.865 I1.867 J0.353 X26.165 Y9.613 Z0.656 I1.867 J0.353 X22.431 Y8.907 Z0.448 I1.867 J0.353 X26.165 Y9.613 Z0.24 I1.867 J0.353 X22.431 Y8.907 Z0.031 I1.867 J0.353 X26.165 Y9.613 Z0.177 I1.867 J0.353 X22.431 Y8.907 Z0.386 I1.867 J0.353 X26.165 Y9.613 Z0.594 I1.867 J0.353 X22.431 Y8.907 Z0.803 I1.867 J0.353 X26.165 Y9.613 Z1.011 I1.867 J0.353 X22.431 Y8.907 Z1.22 I1.867 J0.353 X26.165 Y9.613 Z1.428 I1.867 J0.353 X22.431 Y8.907 Z1.636 I1.867 J0.353 X26.165 Y9.613 Z1.845 I1.867 J0.353 X22.431 Y8.907 Z2.053 I1.867 J0.353 X26.165 Y9.613 Z2.262 I1.867 J0.353 X22.431 Y8.907 Z2.47 I1.867 J0.353 X26.165 Y9.613 Z2.679 I1.867 J0.353 X22.431 Y8.907 Z2.887 I1.867 J0.353 X26.165 Y9.613 Z3.096 I1.867 J0.353 X22.431 Y8.907 Z3.304 I1.867 J0.353 X26.198 Y9.26 Z3.5 I1.867 J0.353 X23.293 I1.453 J0. G1 Y8.707 F360. G3 X23.822 Y8.055 I0.666 J0. G1 X23.864 Y8.046 G3 X24.136 I0.136 J0.652 G1 X24.178 Y8.055 G3 X24.707 Y8.707 I0.136 J0.652 G1 Y9.301 G3 X24.217 Y9.943 I0.666 J0. X23.783 I0.217 J0.792 X23.293 Y9.301 I0.176 J0.642 G1 Y9.26 G2 X22.603 Y8.329 I0.972 J0. G3 X22.326 Y7.204 I0.195 J0.645 G1 X22.531 Y7.003 X23.165 Y6.667 X23.918 Y6.51 X24.082 X24.835 Y6.667 X25.461 Y6.998 X25.54 Y7.073 X25.965 Y7.49 X26.2 Y7.907 Y10.1 X25.999 Y10.47 X25.546 Y10.939 X24.968 Y11.285 X24.331 Y11.46 X23.669 X23.032 Y11.285 X22.454 Y10.939 X22.001 Y10.47 X21.8 Y10.1 Y7.907 X22.035 Y7.49 X22.326 Y7.204 G3 X22.426 Y7.132 Z3.48 I0.28 J0.285 X22.531 Y7.097 Z3.424 I0.18 J0.357 X22.619 Y7.09 Z3.335 I0.075 J0.393 X22.676 Y7.096 Z3.224 I0.013 J0.4 X22.695 Y7.099 Z3.1 I0.07 J0.394 G0 Z15. (POCKET1 2) M7 G0 X24.892 Y21.659 Z15. Z5. G1 Z4.6 F100. G3 X24.876 Y21.67 Z4.479 I0.429 J0.615 F150. X24.83 Y21.698 Z4.369 I0.414 J0.625 X24.753 Y21.736 Z4.281 I0.368 J0.654 X24.651 Y21.77 Z4.223 I0.291 J0.691 X24.533 Y21.791 Z4.2 I0.189 J0.726 X24.391 Y20.298 Z4.118 I0.071 J0.747 X24.533 Y21.791 Z4.035 I0.071 J0.747 X24.391 Y20.298 Z3.953 I0.071 J0.747 X24.533 Y21.791 Z3.871 I0.071 J0.747 X24.391 Y20.298 Z3.789 I0.071 J0.747 X24.533 Y21.791 Z3.706 I0.071 J0.747 X24.391 Y20.298 Z3.624 I0.071 J0.747 X24.533 Y21.791 Z3.542 I0.071 J0.747 X24.391 Y20.298 Z3.459 I0.071 J0.747 X24.533 Y21.791 Z3.377 I0.071 J0.747 X24.391 Y20.298 Z3.295 I0.071 J0.747 X24.533 Y21.791 Z3.213 I0.071 J0.747 X24.391 Y20.298 Z3.13 I0.071 J0.747 X24.533 Y21.791 Z3.048 I0.071 J0.747 X24.391 Y20.298 Z2.966 I0.071 J0.747 X24.533 Y21.791 Z2.884 I0.071 J0.747 X24.391 Y20.298 Z2.801 I0.071 J0.747 X24.533 Y21.791 Z2.719 I0.071 J0.747 X24.391 Y20.298 Z2.637 I0.071 J0.747 X24.533 Y21.791 Z2.554 I0.071 J0.747 X24.391 Y20.298 Z2.472 I0.071 J0.747 X24.533 Y21.791 Z2.39 I0.071 J0.747 X24.391 Y20.298 Z2.308 I0.071 J0.747 X24.533 Y21.791 Z2.225 I0.071 J0.747 X24.391 Y20.298 Z2.143 I0.071 J0.747 X24.533 Y21.791 Z2.061 I0.071 J0.747 X24.391 Y20.298 Z1.978 I0.071 J0.747 X24.533 Y21.791 Z1.896 I0.071 J0.747 X24.391 Y20.298 Z1.814 I0.071 J0.747 X24.533 Y21.791 Z1.732 I0.071 J0.747 X24.391 Y20.298 Z1.649 I0.071 J0.747 X24.533 Y21.791 Z1.567 I0.071 J0.747 X24.391 Y20.298 Z1.485 I0.071 J0.747 X24.533 Y21.791 Z1.402 I0.071 J0.747 X24.391 Y20.298 Z1.32 I0.071 J0.747 X24.533 Y21.791 Z1.238 I0.071 J0.747 X24.391 Y20.298 Z1.156 I0.071 J0.747 X24.533 Y21.791 Z1.073 I0.071 J0.747 X24.391 Y20.298 Z0.991 I0.071 J0.747 X24.533 Y21.791 Z0.909 I0.071 J0.747 X24.391 Y20.298 Z0.827 I0.071 J0.747 X24.533 Y21.791 Z0.744 I0.071 J0.747 X24.391 Y20.298 Z0.662 I0.071 J0.747 X24.533 Y21.791 Z0.58 I0.071 J0.747 X24.391 Y20.298 Z0.497 I0.071 J0.747 X24.533 Y21.791 Z0.415 I0.071 J0.747 X24.391 Y20.298 Z0.333 I0.071 J0.747 X24.533 Y21.791 Z0.251 I0.071 J0.747 X24.391 Y20.298 Z0.168 I0.071 J0.747 X24.533 Y21.791 Z0.086 I0.071 J0.747 X24.391 Y20.298 Z0.004 I0.071 J0.747 X24.533 Y21.791 Z0.079 I0.071 J0.747 X24.391 Y20.298 Z0.161 I0.071 J0.747 X24.533 Y21.791 Z0.243 I0.071 J0.747 X24.391 Y20.298 Z0.325 I0.071 J0.747 X24.533 Y21.791 Z0.408 I0.071 J0.747 X24.391 Y20.298 Z0.49 I0.071 J0.747 X24.533 Y21.791 Z0.572 I0.071 J0.747 X24.391 Y20.298 Z0.655 I0.071 J0.747 X24.533 Y21.791 Z0.737 I0.071 J0.747 X24.391 Y20.298 Z0.819 I0.071 J0.747 X24.533 Y21.791 Z0.901 I0.071 J0.747 X24.391 Y20.298 Z0.984 I0.071 J0.747 X24.533 Y21.791 Z1.066 I0.071 J0.747 X24.391 Y20.298 Z1.148 I0.071 J0.747 X24.533 Y21.791 Z1.23 I0.071 J0.747 X24.391 Y20.298 Z1.313 I0.071 J0.747 X24.533 Y21.791 Z1.395 I0.071 J0.747 X24.391 Y20.298 Z1.477 I0.071 J0.747 X24.533 Y21.791 Z1.56 I0.071 J0.747 X24.391 Y20.298 Z1.642 I0.071 J0.747 X24.533 Y21.791 Z1.724 I0.071 J0.747 X24.391 Y20.298 Z1.806 I0.071 J0.747 X24.533 Y21.791 Z1.889 I0.071 J0.747 X24.391 Y20.298 Z1.971 I0.071 J0.747 X24.533 Y21.791 Z2.053 I0.071 J0.747 X24.391 Y20.298 Z2.136 I0.071 J0.747 X24.533 Y21.791 Z2.218 I0.071 J0.747 X24.391 Y20.298 Z2.3 I0.071 J0.747 X24.533 Y21.791 Z2.382 I0.071 J0.747 X24.391 Y20.298 Z2.465 I0.071 J0.747 X24.533 Y21.791 Z2.547 I0.071 J0.747 X24.391 Y20.298 Z2.629 I0.071 J0.747 X24.533 Y21.791 Z2.712 I0.071 J0.747 X24.391 Y20.298 Z2.794 I0.071 J0.747 X24.533 Y21.791 Z2.876 I0.071 J0.747 X24.391 Y20.298 Z2.958 I0.071 J0.747 X24.533 Y21.791 Z3.041 I0.071 J0.747 X24.391 Y20.298 Z3.123 I0.071 J0.747 X24.533 Y21.791 Z3.205 I0.071 J0.747 X24.391 Y20.298 Z3.287 I0.071 J0.747 X24.533 Y21.791 Z3.37 I0.071 J0.747 X24.391 Y20.298 Z3.452 I0.071 J0.747 X25.202 Y21.168 Z3.5 I0.071 J0.747 G1 X25.164 Y21.395 F360. X24.976 Y21.743 X24.677 Y22.021 X24.314 Y22.181 X23.919 Y22.216 X23.723 Y22.17 X23.53 Y22.122 X23.182 Y21.9 X23.158 Y21.868 Y20.129 X23.182 Y20.097 X23.53 Y19.875 X23.91 Y19.78 X24.314 Y19.816 X24.677 Y19.976 X24.976 Y20.255 X25.164 Y20.602 X25.23 Y20.999 X25.202 Y21.168 G3 X25.163 Y21.284 Z3.48 I0.395 J0.066 X25.099 Y21.375 Z3.424 I0.356 J0.183 X25.032 Y21.433 Z3.335 I0.292 J0.273 X24.983 Y21.461 Z3.224 I0.225 J0.331 X24.965 Y21.469 Z3.1 I0.176 J0.359 G0 Z15. M9 G28 G91 Z0. G28 X0. Y0. M30
The tool Z height is set to the top of the part, and Mach3 confirms this. But Mach3 plunges the bit into the part.
Any ideas?

14022018 #310(T5 D=4. CR=0.  ZMIN=3.5  FLAT END MILL)
G90 G94 G91.1 G40 G49 G17
G21
G28 G91 Z0.
G90
(POCKET1)
M5
M9
T5 M6
S6000 M3
G54
M7
G0 X22.399 Y9.291
G43 Z15. H2
Z5.
G1 Z4.6 F100.
G3 X22.398 Y9.272 Z4.479 I1.9 J0.031 F150.
Seems strange that you have a Z5 then a Z4.6 (I would expect this to be ve value) I see you have tool length comp on with the G43 Z15. H2 is this correct in your tool table..Clive
The more you know, The better you know, How little you know
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