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Author Topic: Ball nose plunge cutting  (Read 46 times)

BenjaminJohnson

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Ball nose plunge cutting
« on: July 17, 2018, 05:32:39 AM »
Hi,

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.

References:-
http://forum.vectric.com/viewtopic.php?f=27&t=23895
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Thanks!