Some CUTS don't look perfect..

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Stompa
Posts: 40
Joined: Wed Mar 12, 2014 10:36 am
Model of CNC Machine: Ross CNC 60/12
Location: Ohaupo, New Zealand

Some CUTS don't look perfect..

Post by Stompa »

Hi
I have a question about my cuts. Please see the below picture and you will see the very small (close up makes them look bad) lines that are left in the timber.. Its like a very fine furry line.
The thing I'm wondering is... Is this a normal thing??? as I've tried lots of different types of cutters and most times get the same thing. Do you think its that my machine may be out of balance??..
Any help would be very gratefully taken as I'm getting a little frustrated..
Thanks
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photo 1.JPG

Stompa
Posts: 40
Joined: Wed Mar 12, 2014 10:36 am
Model of CNC Machine: Ross CNC 60/12
Location: Ohaupo, New Zealand

Re: Some CUTS don't look perfect..

Post by Stompa »

Opps ..... forgot to say that i only seem to get these lines on one side of the cut..

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Adrian
Vectric Archimage
Posts: 10453
Joined: Thu Nov 23, 2006 2:19 pm
Model of CNC Machine: ShopBot PRS Alpha 96x48
Location: Surrey, UK

Re: Some CUTS don't look perfect..

Post by Adrian »

Most likely free play in the axes somewhere or the router/spindle is way out of plumb. You shouldn't be able to see any trace at all where each pass starts and finishes if everything is working correctly.

Stompa
Posts: 40
Joined: Wed Mar 12, 2014 10:36 am
Model of CNC Machine: Ross CNC 60/12
Location: Ohaupo, New Zealand

Re: Some CUTS don't look perfect..

Post by Stompa »

Thanks for that Adrian.. Yes i thought it was to do with the machine.
Ill go email the maker of my machine right now as its only a month old and been doing it from the start..
Thanks

Joey Jarrard
Posts: 24
Joined: Sun May 24, 2009 11:07 pm
Model of CNC Machine: CAMaster Stinger I & Cobra ATC
Location: Calhoun, GA USA

Re: Some CUTS don't look perfect..

Post by Joey Jarrard »

How did this turn out for you?

Stompa
Posts: 40
Joined: Wed Mar 12, 2014 10:36 am
Model of CNC Machine: Ross CNC 60/12
Location: Ohaupo, New Zealand

Re: Some CUTS don't look perfect..

Post by Stompa »

Hi Joey
It was the spindle slightly out of square.. Just used a small square and did a couple of adjustments & fixed the problem..

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