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Mazak Integrex and Inverse Feed


Frank Caudillo
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Hey everyone,

 

I'm trying to better understand inverse feed for a Mazak Integrex J200 Mill-Turn. I'm doing a C-axis contour path to cut a chamfer on a part and I'm just not sure if the code is correct. Everything looks okay, there are feed rates on each line, etc, but it's posting out an H address for the C rotation when there is no movement in Z. Is this correct, or is something not right in my control def/post? Sample code is below. I appreciate any help. 

O1111(OP1 - 13965)
(2/24/2017 10:36 AM)
(OP1 - 13965)
(*************TOOL LIST************************)
(T6 | .25 CHAMFERMILL                |  LEN. - 6.  |  DIA. - 6. )
(***********************************************)
N6
(T6 | .25 CHAMFERMILL                |  LEN. - 6.  |  DIA. - 6. )
(CHAMFER ALL AROUND)
M200
G10.9 X0.
G20 G40 G80 G18 G94 G90 G98
G91 G28 X0. Y0.
G91 G28 Z0.
G90
T6 M6
G91 G28 X0. Y0.
G91 G28 Z0.
G90
M901
M108 M212
G55 G0 G90 B90. C274.9295
M107 M211
G97 S1000 M03
G18 G90
G0 G18
G43 H#3020 X2.755 Y0. Z.073
X1.855
G94 G1 X1.7275 F4.
G93 C275.5825 F203.184
Z.0591 C275.5298 F285.756
Z.0459 C275.3789 F286.292
Z.034 C275.1358 F287.07
Z.0241 C274.8127 F288.053
Z.0167 C274.4258 F289.045
Z.0121 C273.9945 F289.848
Z.0105 C273.542 F291.257
C272.5421 F132.676
C271.5417 F132.614
C270.5414 F132.632
C270. F245.038
C269.0001 F132.676
C267.9997 F132.614
C266.9994 F132.632
C266.458 F245.038
C265.4576 F132.614
C264.4568 F132.561
C263.4562 F132.589
C262.6712 F168.998
Z.0094 C262.4453 F579.793
Z.0062 C262.2405 F575.363
Z.0012 C262.078 F572.686
Z-.005 C261.9737 F570.045
Z-.012 C261.9366 F566.069
Z-.0645 C261.9385 F76.226
H-343.4599 F.386
Z-.0644 C278.2722 F642.842
C278.1425 F1022.849
Z-.0645 C278.075 F1965.581
C278.0615 F9848.908
Z-.012 C278.0634 F76.284
Z-.005 C278.0259 F565.892
Z.0012 C277.9215 F570.049
Z.0062 C277.759 F572.689
Z.0094 C277.5542 F575.365
Z.0105 C277.3288 F580.996
C276.3288 F132.667
C275.3282 F132.576
C274.3274 F132.566
C273.542 F168.925
Z.0121 C273.0894 F291.2
Z.0167 C272.6581 F289.848
Z.0241 C272.2713 F289.044
Z.034 C271.9482 F288.052
Z.0459 C271.7051 F287.071
Z.0591 C271.5542 F286.292
Z.073 C271.5016 F285.762
C272.1545 F203.184
G0 X2.755
M05
G91 G28 X0. Y0.
G91 G28 Z0.
G90
M01
M30
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H adress is a C axis incremental motion (H-343.4599 will rotate 343.4599degrees from that point). I don't know what your tool path should exactly do but it can be correct.

 

Thank you, Colin. That is exactly what it is doing, chamfering around a cylinder using the C-axis for rotation. There is a tab on the cylinder that it chamfers (using the absolute C-axis positioning along the Z-axis), and between the start and end of that tab it must be switching to that H incremental C rotation. Makes sense!

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