![]() ![]() Posted 06:57 (#7098582 - in reply to #7098285) Subject: RE: sharpening drill bitsīeen using a drill doctor for years. ![]() Tidy little building outside, lots of machine stuff inside! Couple blocks east of Rt 50, S side of street. Then they coat the bit in plastic to prevent damage to the bit, or damage to your body while carrying them. They use a machine to sharpen also.not hand. I take my bits bigger than 5/8" to a machine shop for sharpening. Quicker and probably better than the machine.Įven sharpen without removing from a drill.Īlso I prefer the side of a chop saw blade vs a bench grinder. Really how a sharpened bit so it will cut vs a dull bit just ride around in circles.Īnd presto, I could now sharpen bits free hand. But the nice thing it taught me how to sharpen a bit. Could have been a Drill Doctor, more likely something else. Had heard about the devices or machines that sharpen bits. So for me sharpening drill bits meant buying new drill bits. Or that ‘Gauge’ you were supposed to make and use. Posted 23:51 (#7098417 - in reply to #7098285) Subject: RE: sharpening drill bitsĭuring school shop class, also Ag Engineering at Iowa State, I never could understand what they were talking about on drill bit sharpening. Also use the drill doctor to add the double back cut/split point. The drill doctor to reshape a broken bit and a bench grinder to just sharpen a dull one. Had a neighbor ex machinist show me how to do it. I can sharpen just as good and much faster on the bench grinder. Sharpen the old one to look like the new one. I always used an ordinary pedestal grinder but bought a belt sander a couple years ago and it is far easier to get a bit sharp with the proper clearance on the belt sander. There’s some videos on YouTube that might help ![]() High school machine shop teacher taught me back when schools taught skills. For my drill dr I feel the chuck adapter for bit over 1/2" was a waste of my money. After that I've been having better luck with clean safety glasses and getting my eyeballs close to the grinding wheel, being patient, and doing them by hand. I have good luck with my drill dr for about 3/8 and under. and my results of useing it are rather poor.Īny ideas or suggestions would be appreciated. How do you fellas sharpen your drill bits ? By hand or machine? If you use some kind of sharpener,what kind is it? Posted 22:04 (#7098285) Subject: sharpening drill bits Check the web to see that it is centered and not too wide.You are logged in as a guest. Finally, touch the cutting edge on both sides to the wheel and roll the drill to smooth the top of the drill from the cutting edge over the shoulder and off the back end. Make the angle a little steeper and touch the area behind the cutting edge to the wheel on both sides to reduce the shoulder on both sides. Touch the other cutting edge to the wheel. Rotate the drill 180 degrees without changing the angle. In summary, hold the drill at the right angle. Sometimes I need to sharpen one a couple of times to get it close enough to right. A couple of years ago I saw a video that made sharpening drills by hand easy and have been doing that ever since. Another option would be to get a new abrasive wheel and use you old wheel for rough work. I know that is not recommended practice, but you can probably get a way with it for sharpening a few drills now and then. ![]() It seems one option would be to remount the sharpening guide so the bit touches the side of the grinding wheel. I am glad to know you have been able to use this. ![]()
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