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-   -   5mm boring speed and feed (http://www.camheads.org/showthread.php?t=10097)

Porter Cabs 08-18-2019 10:58 PM

5mm boring speed and feed
 
Anybody have recommendations as far as boring 5mm holes in 3/4" ply.
spindle rpm and plunge rate. Is peck drilling necessary?

I do not have a drilling block. Single 5HP HSD spindle

Thanks for any info

Kyle

Doug S 08-19-2019 07:28 AM

First, I use a 5mm brad point bit for drilling so you don't get any heat or chipping. I run one pass, no pecking at 150 IPM plunge rate. I think I am running 12,000 of the spindle but I can verify that tonight.

Sure wish I had a 5 head boring block.

Ger21 08-19-2019 09:11 AM

Quote:

Originally Posted by Doug S (Post 82228)

Sure wish I had a 5 head boring block.


If you did, you'd wish you had a 12 spindle block.


I have a 12, and wish I had an 18 or 24.

Doug S 08-19-2019 10:24 AM

Sounds like a group but is in order.


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