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Drill Bit Sharpening #1266311 Fri May 18 2018 11:36 AM
Joined: Aug 2001
Posts: 3,830
2-Ton Offline OP
Shop Shark
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
More pix on Photobucket
'46 2-Ton grain truck
'48 3/4-ton grain truck
'50 2-ton flatbed
'54 Pontiac Straight Eight
'70 American LaFrance pumper fire truck.
Re: Drill Bits [Re: 2-Ton] #1266315 Fri May 18 2018 01:23 PM
Joined: May 2005
Posts: 9,134
G
Grigg Offline
.
Here's another drill sharpening video with more technical info and humor.
https://www.youtube.com/watch?v=r8oORR6jyh8


1951 GMC 250 in the Project Journals
1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-
Re: Drill Bits [Re: 2-Ton] #1266317 Fri May 18 2018 02:12 PM
Joined: Aug 2001
Posts: 3,830
2-Ton Offline OP
Shop Shark
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
More pix on Photobucket
'46 2-Ton grain truck
'48 3/4-ton grain truck
'50 2-ton flatbed
'54 Pontiac Straight Eight
'70 American LaFrance pumper fire truck.
Re: Drill Bits [Re: 2-Ton] #1266322 Fri May 18 2018 03:28 PM
Joined: Jun 2005
Posts: 717
V
VEW Offline
Shop Shark
Thanks guys. I learned something today.


Victor

41 3/4 Ton Pick Up (in process)
55 Grumman Kurbside (Doughboy) 235/3 on tree w/ OD
57 3100
58 C4400 Viking (Thor)
59 C4500 Short Bus (Magic Bus)
59 G3800 1 Ton Dually (Chief)


Re: Drill Bits [Re: 2-Ton] #1266344 Fri May 18 2018 09:17 PM
Joined: Nov 1995
Posts: 4,266
J
John Milliman Offline
Founder/Developer
Thanks Don! This is good info -- Good idea about moving it to the tools forum.


John

'49 Chevrolet 3804

Re: Drill Bits [Re: 2-Ton] #1272548 Sun Jul 15 2018 06:26 AM
Joined: Jun 2000
Posts: 2,773
F
Fred T Offline
Shop Shark
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
Re: Drill Bits [Re: 2-Ton] #1272772 Tue Jul 17 2018 12:48 AM
Joined: Mar 2010
Posts: 80
G
GIJOE298 Offline
Shop Shark
I agree Fred. I use my drill doctor all the time. sure beats fighting a dull bit!

Re: Drill Bits [Re: 2-Ton] #1280073 Thu Sep 13 2018 04:20 AM
Joined: Feb 2004
Posts: 19,273
H
Hotrod Lincoln Offline
Boltergeist
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



The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Drill Bits [Re: 2-Ton] #1280088 Thu Sep 13 2018 12:56 PM
Joined: Oct 2005
Posts: 2,691
MNSmith Offline
"Hey! I sound like Darth Vader!!
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.

Re: Drill Bits [Re: 2-Ton] #1281021 Fri Sep 21 2018 05:37 AM
Joined: Nov 2001
Posts: 1,656
D
delux54panel Offline
Shop Shark
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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Moderated by  48bigtrucks, MNSmith 

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