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General Questions / Ball nose plunge cutting
« Last post by BenjaminJohnson on July 17, 2018, 05:32:39 AM »

I'm making some marble-based games for Christmas (think Chinese Checkers for instance), so I need to make numerous plunge cuts into MDF. I'm using a Drilling toolpath along with a 0.5-inch 4-flute ball nose end mill. I've started with 12000 rpm, 10 ipm feed rate and can see deflection in my Z axis (3HP PC router on a CNCRP PRO4848). I understand that plunge cuts put some vertical loading on the bit and router, which isn't preferred but can't be helped in this case.
For those who might do this kind of operation regularly, any suggestions as to feed/speeds?

Please help.

I didn't find the right solution from the Internet.

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What Playmate Ball Machine is Best For You? / Re: Welcome to SMF!
« Last post by kenedy on February 24, 2018, 11:57:34 PM »
Hi bro.Thanks a lot for providing such good site forum.
Ball Machine Training / Testing
« Last post by erwelsch on November 16, 2016, 02:50:22 PM »
This is an attempt at a sticky.
Ball Machine Drill Design / Take Our Poll OnTeaching With A Ball Machine
« Last post by stanoley on September 21, 2016, 04:09:06 PM »
Take Our Poll On Teaching With A Ball Machine
What Playmate Ball Machine is Best For You? / Welcome to SMF!
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