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Multiple arc moves outputted in a single arc move

Valued Contributor
Valued Contributor

I am chamfer milling the hole shown in the picture. The path is exactly what I want the machine to do, but NX is outputting it as 7 separate arcs (9 counting engage and retract). Personally I wouldn't mind it if the machine made a chamfer, but the operators hate seeing something like this. Is there anyway in NX to combine these moves into 1 arc like it should be? Also if possible is there anyway I can control the position on where it starts? I made the operation using z-level-profile.

 

 

PAINT/PATH
PAINT/SPEED,10
PAINT/COLOR,186
FROM/2.5000,0.0000,-5.0000,1.0000000,0.0000000,0.0000000
LOAD/TOOL,5,ADJUST,5
RAPID
GOTO/0.7675,-0.3000,0.8405
PAINT/COLOR,211
RAPID
GOTO/0.3165,-0.3000,0.8405
PAINT/COLOR,6
FEDRAT/IPM,18.0000
GOTO/0.2165,-0.3000,0.8405
CIRCLE/0.2165,-0.2282,0.6010,-1.0000000,0.0000000,0.0000000,0.2500,0.0020,0.5000,0.5000,0.0000
GOTO/0.2165,-0.4677,0.5292
PAINT/COLOR,31
GOTO/0.2165,-0.4613,0.5080
CIRCLE/0.2165,0.0000,0.6687,-1.0000000,0.0000000,0.0000000,0.4885,0.0020,0.5000,0.5000,0.0000
GOTO/0.2165,0.0000,0.1802
CIRCLE/0.2165,0.0000,0.6687,-1.0000000,0.0000000,0.0000000,0.4885,0.0020,0.5000,0.5000,0.0000
GOTO/0.2165,0.4613,0.5080
CIRCLE/0.2165,-0.0014,0.6685,-1.0000000,0.0000000,0.0000000,0.4897,0.0020,0.5000,0.5000,0.0000
GOTO/0.2165,0.4613,0.8292
CIRCLE/0.2165,0.0000,0.6691,-1.0000000,0.0000000,0.0000000,0.4883,0.0020,0.5000,0.5000,0.0000
GOTO/0.2165,0.0000,1.1573
CIRCLE/0.2165,0.0000,0.6691,-1.0000000,0.0000000,0.0000000,0.4883,0.0020,0.5000,0.5000,0.0000
GOTO/0.2165,-0.4613,0.8292
CIRCLE/0.2165,0.0028,0.6682,-1.0000000,0.0000000,0.0000000,0.4912,0.0020,0.5000,0.5000,0.0000
GOTO/0.2165,-0.4884,0.6744
CIRCLE/0.2165,0.0016,0.6682,-1.0000000,0.0000000,0.0000000,0.4900,0.0020,0.5000,0.5000,0.0000
GOTO/0.2165,-0.4740,0.5504
GOTO/0.2165,-0.4735,0.5485
GOTO/0.2165,-0.4677,0.5292
PAINT/COLOR,1
CIRCLE/0.2165,-0.2282,0.6010,-1.0000000,0.0000000,0.0000000,0.2500,0.0020,0.5000,0.5000,0.0000
GOTO/0.2165,-0.1564,0.3615
GOTO/0.3165,-0.1564,0.3615
PAINT/COLOR,211
RAPID
GOTO/0.7675,-0.1564,0.3615
PAINT/SPEED,10
PAINT/TOOL,NOMORE
END-OF-PATH

 

chamfer.png

Using NX 8.0.3.4
6 REPLIES

Re: Multiple arc moves outputted in a single arc move

The listing will always show the arcs in 120 degree segments, but the post should output in either full arcs or quadrants.

 

What is coming out or the post?

 

BTW, what operation type is this? I notice the arc center is moving around a bit.

Mark Rief
Retired Siemens

Re: Multiple arc moves outputted in a single arc move

Valued Contributor
Valued Contributor
X.633
G01 X.433
Y.2402 Z.4165
G03 Y.4878 Z.6689 J-.0024 K.25
G01 Y.4875 Z.6977
Y.4832 Z.7397
G03 Y-.4832 J-.4832 K-.0714
G01 Y-.4846 Z.7289
Y-.4884 Z.6723
Y-.4885 Z.6664
Y-.4841 Z.604
Y-.4834 Z.5981
G03 Y-.4059 Z.3967 J.4888 K.0724
G01 Y-.397 Z.3839
G03 Y.4834 Z.5981 J.3969 K.2848
G01 Y.488 Z.6479
Y.4878 Z.6689
G03 Y.2354 Z.9165 J-.25 K-.0024
G01 Y.1641 Z.8414
X.633

 

This is what is coming out of the post. I just noticed that the extend surface option is causing the issue with the post. I got rid of it and it did post out 3 arcs like it was suppose to. The reason I need the surface extended is because it is a chamfer tool and the tip isn't a sharp point like the computer. It needs to cut further up the tool. Is there a way I can cut like this and get a 3 arcs?

 

 

 

dialog.jpg

Using NX 8.0.3.4

Re: Multiple arc moves outputted in a single arc move

Valued Contributor
Valued Contributor

Is there a reason for using Z-Level profile? Could it just be a planar profile operation? I just pick the diameter of the chamfer being cut, set my floor past the chamfer depth and generate.Maybe the surface isn't planar, I can't tell.

 

 

Capture1.PNGCapture.PNGCapture2.PNG

G00 G90 G54 X.1125 Y-.1875
G43 H01 Z.5 M08
Z.025
G01 Z-.075 F10.
G03 X.3 Y0.0 I0.0 J.1875
G03 I-.3 J0.0
G03 X.1125 Y.1875 I-.1875 J0.0
G01 Z.025
G00 Z.5

 

NX 8.5.3.3

Re: Multiple arc moves outputted in a single arc move

Valued Contributor
Valued Contributor

would you mind giving me a copy of that file, I tried planar profile, but I can't get it to cut below the plane of the curve. Also the tool only seems to want to be tangant to the shank of the tool at the center point of the tool. Is there an option to planar milling I am not seeing?

Using NX 8.0.3.4

Re: Multiple arc moves outputted in a single arc move

Valued Contributor
Valued Contributor

Here you go.

NX 8.5.3.3

Re: Multiple arc moves outputted in a single arc move

Valued Contributor
Valued Contributor

Thanks, I saw what was different with my path and it fixed it.

Using NX 8.0.3.4

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Solution Information