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Forum topic by rockmolsen posted 08-18-2014 01:26 AM 435 views 0 times favorited 6 replies Add to Favorites Watch
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rockmolsen

36 posts in 228 days


08-18-2014 01:26 AM

I have a Delta 10” drill press and 1/4 HP. I am trying to drill a 2 1/2 in hole in several different hardwoods. With very little pressure the drill binds or stops – even tried a brand new bit. I was attempting to make a bracelet blank using some Mango and Monkey Pod. Is my drill press not powerful enough for this?

-- Rick --------The measure of who we are is what we do with what we have.


6 replies so far

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crank49

3434 posts in 1625 days


#1 posted 08-18-2014 01:34 AM

You did not mention what speed you are trying to run the drill.

1/4 hp is way under powered, but could work if the speed was slow enough.

Most small drill presses with small motors seem to be designed to further piss you off by not going below 500 RPM.
Won’t work. You need to be at 200 RPM or less with a bit that size.

You might have better luck with a hole saw.

-- Michael :-{| “If you tell a big enough lie and tell it frequently enough, it will be believed.” ― A H

View waho6o9's profile

waho6o9

4923 posts in 1231 days


#2 posted 08-18-2014 01:57 AM

Maybe the belt’s slipping…

View rockmolsen's profile

rockmolsen

36 posts in 228 days


#3 posted 08-18-2014 02:06 AM

I was running at lowest speed possible 600 RPm. The belts are not slipping the motors is just stopping

-- Rick --------The measure of who we are is what we do with what we have.

View jonah's profile

jonah

453 posts in 1953 days


#4 posted 08-18-2014 11:46 AM

600 RPM is too fast for a bit that big. You might be able to get away with 400 RPM, but 300 or even 200-250 would be better.

Sadly, if that’s as slow as your drill press goes, then you are out of luck. Any friends that have floor-standing DPs that you could use to make the holes?

View papadan's profile

papadan

1153 posts in 2023 days


#5 posted 08-18-2014 11:55 AM

Clamp your board down so it cannot move. Dill through with 3/4 bit and then redrill in 1/2” incriments.

-- Carpenter assembles with hands, Designer builds with brains, Artist creates with heart!

View Gene Howe's profile

Gene Howe

5649 posts in 2083 days


#6 posted 08-18-2014 12:44 PM

Your DP is under powered.
I’d make a template and use a router.

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

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