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Thread: Wood CNC cutter advice required
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3rd February 2010, 01:17 PM #1New Member
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Wood CNC cutter advice required
Hi I'm john and have just finished building a wood cutting CNC machine on a tight budget. I was using a $20 angle grinder motor that was modified to suit the job, and initially it worked well. No speed control though, which meant it was always running flat out. The upshot of this was it started to to play up, and quickly smelt like a burnt out motor.
So stretched the budget and bought a Ozito plunge router (I know - I've read all the comments about them), but it is working well - I now have a different set of challenges however.
One of which is - I have been using a 1/4" solid carbide end mill cutter for 'roughing out' (see attachment). This is actually designed to cut metal and is causing 'burning' on the wood. I am having difficulty finding a supplier for the 1/4" cutters for wood and am wondering if anyone out there can assist me!!
Many thanks in anticipation.
John
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3rd February 2010 01:17 PM # ADSGoogle Adsense Advertisement
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3rd February 2010, 02:23 PM #2SENIOR MEMBER
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you want a straight 2 flute router bit.
http://www.toolking.com/media/catalo...3/733250-a.jpg
I've used it on MDF only from personal experiences and it produces a very clean cut.
http://sawandbits.com/shop/index.php...ex&cPath=28_29
Saw & Bits are still clearing out stock and the quality is pretty good, common sizes have all sold out. $3.30 a bit you cant go wrong.
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4th February 2010, 01:56 AM #3GOLD MEMBER
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If it is burniong it is possible your feed rate is too slow. MDF is harsh on cutters and it just might have lost it's edge as well.
Thanks for the link Chris.Cheers,
Rod
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5th February 2010, 07:59 AM #4
i use onsrud cutters on my flat bed router ,3/8 inch 18,200 rpm 23mpm,on mdf straight cutters generate too much heat and quickly blunten the cutter an upcut router evacuates the dust and reduced the heat generated
http://leitz.open24x7.biz/catalog/in...95b8f2b75faf48
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