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Jan 21st, 2020
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Joined: Aug 2001
Posts: 5,465
OP
Moderator
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John at the homecoming asked me to do a seminar on how to sharpen drill bits. With the cooking and all the other activities going on, we did not get a chance to do that. But I have come across a how-to video that will show you how, on a belt sander. You can also sharpen them on a bench grinder the same way. https://www.youtube.com/watch?v=WnKavtC9NPk&feature=youtu.be Hope this helps! Don
Last edited by 2-Ton; Sat May 19 2018 07:03 PM.
Of all the things I've lost in my life, I miss my mind the most!1967 GMC 9500 Fire Ladder Truck"The Flag Pole"In the Stovebolt Gallery [ stovebolt.com] '46 2-Ton grain truck '50 2-ton flatbed '54 Pontiac Straight Eight 1954 Plymouth Belvidere '70 American LaFrance pumper fire truck. 1976 Triumph TR-6
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Joined: Aug 2001
Posts: 5,465
OP
Moderator
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Good video Grigg III.
I really liked the humor and how he explained how a drill works.
Of course there are some more tricks for different types of material.
Speeds, feeds and lube are also a big factors.
But for most of us, it gives a better understanding, of how a drill works.
Wonder if this should be moved to the tool threads?
Don
Of all the things I've lost in my life, I miss my mind the most!1967 GMC 9500 Fire Ladder Truck"The Flag Pole"In the Stovebolt Gallery [ stovebolt.com] '46 2-Ton grain truck '50 2-ton flatbed '54 Pontiac Straight Eight 1954 Plymouth Belvidere '70 American LaFrance pumper fire truck. 1976 Triumph TR-6
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Joined: Jun 2005
Posts: 875
'Bolter
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Thanks guys. I learned something today.
Victor 1941 3/4-Ton Pickup (in process). Read about it in the DITY Gallery1955 Grumman Kurbside "Doughboy" 235/3 on tree w/ OD 1957 3100 - moved on 1959 C4500 Short Bus "Magic Bus" - moved on 1959 G3800 1 Ton Dually "Chief" - moved on 1958 C4400 Viking "Thor" ~ moved on to fellow Bolter
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Joined: Nov 1995
Posts: 6,211
Unrepentant VW Lover
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Thanks Don! This is good info -- Good idea about moving it to the tools forum.
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Joined: Jun 2000
Posts: 2,781
'Bolter
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I have a friend who is an expert at sharpening with a belt sander. My dad did a decent job with a grinder. My hands shake too much, so I use a Drill Doctor. Used properly it does an excellent job.
Fred
52 3600
69 C-10
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Joined: Mar 2010
Posts: 91
'Bolter
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I agree Fred. I use my drill doctor all the time. sure beats fighting a dull bit!
1949 Chevy 4400 216
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Joined: Feb 2004
Posts: 26,998
Kettle Custodian (pot stirrer)
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Once the bit is sharpened, it stays that way a lot longer if it's lubed well. I like to use non-salted lard, mixed with a little Diesel fuel or Kerosene as a drilling lube. On those slow, heavy cuts, it smells a lot like bacon frying! Most people run drills too fast, too dry, and don't put enough down pressure on the bit. At the right RPM and down pressure, a sharp bit will roll a continuous tight spiral of cuttings out of the hole. If you let the bit "skate" without making chips, it will overheat and dull itself in a hurry.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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Joined: Oct 2005
Posts: 4,038
"Hey! I sound like Darth Vader!!
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It's amazing how many of those beautiful drilling and tapping cans of oil I have around the shop. I say beautiful because they go un-touched by most of the guys. My can look pretty well used, though.
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Joined: Nov 2001
Posts: 1,854
'Bolter
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When i worked at Naval Weapons Station, Concord, the machinist gave me a Plews Oiler with Trans fluid and Diesel that he used for cutting oil.
Still have that, and still use it.
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