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I use MPMASTER POST and an alarm occurs.


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I use MPMASTER POST and an alarm occurs.

 

 

T16 M06 (4 FLAT ENDMILL)
M01
(MAX - Z100.)
(MIN - Z-4.9)
G00 G17 G90 G54 X-203.01 Y202.869 S2500 M03
G43 H16 Z100. M08 T17
Z2.
G94 G01 Z-.49 F600.
G41 D16 X-204.707 Y201.172 F300.
X-147.078 Y143.543
G03 X-143.542 Y147.077 R2.5
G01 X-143.543 Y147.078

 

Use millimeters. I use a 4-pi tool. compensation type is control.
G3 followed by "G01 X-143.543 Y147.078" appears to generate an alarm due to the 0.001 difference in the instrument not being able to apply tool radius compensation.
Where am I supposed to edit in the post?

help me plz.

mastercam 2018 used.

0512-1.mcam

0512-1.NC

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Thank you for your reply.
An alarm occurs on the device.
Of course, if the tool radius compensation is set to COMPUTER, no problem will occur.
The problem arises from CONTROL.
There is no problem with the view.


G03 X-143.542 Y147.077 R2.5
G01 X-143.543 Y147.078


However, there is a problem with the special machine.
That's the machine I use.
The G01 section is -0.001 difference from the X coordinate.
The Y coordinate is 0.001 difference.
Because of this difference, the G41 tool radius compensation does not occur and it appears that the alarm occurs.

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When using a fresh MPmaster post, I had to set the control definition (I opened this from the machine definition) to the following settings on the arc page:

image.thumb.png.a108f2e5ed5f866d6046bb00ee60917b.png

This resulted for me in the code below:

G41 D16 X-204.707 Y201.172 F300.
X-147.078 Y143.543
G03 X-143.543 Y147.078 R2.5
G01 X-201.172 Y204.707
G40 X-202.869 Y203.01
G00 Z99.51

Which does not show the 0.001 difference where you we're talking about and i guess it should work on you're machine.

May by it helps.

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14 hours ago, kindb said:

Thank you for your reply.

Cutter Compensation of any type can be problematic. The only shop where I never had any problems was a shop where we didn't use it. 

Control Comp tends to give more problems because of the amount of straight line movement required on entry.

Wear Comp only requires 2x the  amount you expect to comp in a straight line, so if you never expect the cutter diameter to deviate more than 0.25mm you would only need a 0.5mm straight move . It is what most, but by no means all, shops use. There is a thread with a survey at the top of the Industrial page if you are interested.

Yes the arc page would be the next place I would send you. However first we needed to confirm Control Comp was the culprit. 

Did you try it with Wear comp.?

 

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