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Drill Doctors: Tips and Tricks
- Thread starter Beowulf
- Start date
evintho
Well-known member
Love mine! Probably sharpened 500 bits. I don't worry about coloring the bit so I can get the angle perfect or any of those fancy, schmancy tips..........I just sharpen the suckers! It ain't rocket science! I spin each bit probably 18-20 times to make sure. After that, they always cut like a hot knife through butter!
road
Well-known member
I agree
please state your model # when posting. each DD has different features or lack others .. .
please state your model # when posting. each DD has different features or lack others .. .
ez-duzit
Well-known member
The Black & Decker 4300 Professional drill bit sharpener is the one I have been using, for decades. Only sharpens to one angle. But is very easy to use. And easy to dress even broken bits. These are cheap, on eBay.
http://vintagemachinery.org/pubs/detail.aspx?id=4818
http://vintagemachinery.org/pubs/detail.aspx?id=4818
ajchien
Well-known member
I need some help.
I just bought a DD250 off of craigslist for $10.
Did about a dozen dull bits. Worked great for ten of them.
However, I have a 5/32 and a 1/4 that it just completely buggered up.
The 5/32, no matter how careful I am with aligning it, comes out with a chisel-edge angle of ZERO, and the drill point angle is something stupid, like near 170 degrees.
The 1/4, it seems that the relief - it cuts into the inner part to the opposite cutting angle.
I think I did the 5/32 about 5 times and the 1/4 three times before giving up and gooing to hand grinding them. I'm actually getting decently good at hand grinding but it takes me a lot longer than the DD as well as me taking off more material each time.
The rest of the bits it did worked great from 3/32 up to 17/64.
I'm pretty sure my issue is with the alignment process - except that I swear I'm doing the 5/32 and the 1/4 the same was as the others.
Tips? Help?
I just bought a DD250 off of craigslist for $10.
Did about a dozen dull bits. Worked great for ten of them.
However, I have a 5/32 and a 1/4 that it just completely buggered up.
The 5/32, no matter how careful I am with aligning it, comes out with a chisel-edge angle of ZERO, and the drill point angle is something stupid, like near 170 degrees.
The 1/4, it seems that the relief - it cuts into the inner part to the opposite cutting angle.
I think I did the 5/32 about 5 times and the 1/4 three times before giving up and gooing to hand grinding them. I'm actually getting decently good at hand grinding but it takes me a lot longer than the DD as well as me taking off more material each time.
The rest of the bits it did worked great from 3/32 up to 17/64.
I'm pretty sure my issue is with the alignment process - except that I swear I'm doing the 5/32 and the 1/4 the same was as the others.
Tips? Help?