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Author Topic: Why did this bad cut happen??  (Read 6350 times)

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Re: Why did this bad cut happen??
« Reply #10 on: June 30, 2008, 04:40:33 PM »
IN a nutshell when you hit feed hold MACH emptys the buffer then stops motion in a controlled way. It knows exactly where it left off.

When you hit STOP Mach will DUMP the buffer and stop. All buffered info is lost. If you restart as you did all the buffered data that contained the g3 arc motion and tool comp if any was lost all it probably saw was a mid point and endpoint of the arc data and moved straight to these points THEN it picked up the trajectory motion again and finished.

HOW much data you will loose depends on the size of the look ahead setting.

IN a nut shell, (;-) TP

Re: Why did this bad cut happen??
« Reply #11 on: June 30, 2008, 06:10:34 PM »
Well I bought some new aluminum and will head down to the shop to cut a new piece.  This time, if I need to stop my mill, I will use feed hold.
Everyones advice has been great.  Thanks again.


Offline Sam

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Re: Why did this bad cut happen??
« Reply #12 on: July 01, 2008, 02:19:31 AM »
If this is a part you make more than just one of, it might pay to insert an optional stop (M1) in the code to allow replacement of clamps and such. This would also allow you to do other things while the machine is cutting, and not be standing there ready to hit the feed hold.
"CONFIDENCE: it's the feeling you experience before you fully understand the situation."