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Old 04-16-2011, 07:19 PM
RidiculousM RidiculousM is offline
 
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Default Drill press RPM?
Looking for recommendations on a good overall RPM to set for my drill press?

Thanks
Mike
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Old 04-16-2011, 08:36 PM
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scard scard is offline
 
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Quote:
Originally Posted by RidiculousM View Post
Looking for recommendations on a good overall RPM to set for my drill press?

Thanks
Mike
Specific material and hole size, and drill bit material??? Somebody else will provide a speed table soon .
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Old 04-16-2011, 08:46 PM
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frazitl frazitl is offline
 
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Default Basically
High RPM for aluminum (light feed load), slow for steel (heavy feed load), very slow for stainless steel (with very heavy feed load). Boelube for aluminum, any oil for steel, and specialty cutting lube by Castrol called Moly-Dee for 4130 and SS.

There are more specific recommendations out there I'm sure, but the above has worked well for me...
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Old 04-16-2011, 10:15 PM
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AltonD AltonD is offline
 
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fly cutter and AL: slowest possible speed.
I found that unitbits also work well on AL at a slow speed.
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Old 04-17-2011, 10:22 PM
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Quote:
Originally Posted by RidiculousM View Post
Looking for recommendations on a good overall RPM to set for my drill press?

Thanks
Mike
This is more than you'll ever want to know about drill a hole.

http://www.custompartnet.com/calcula...speed-and-feed
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