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How to Sharpen Twist Drills - Small, Medium and Large. A Skill Everyone With a Shop Needs!
Рет қаралды 31,027
Күн бұрын
@jeffanderson1653 3 жыл бұрын
Todd job of simplifying the process. After breakfast, a dozen dull/damaged drill bits, me and my Kalamazoo 2x48 Cheers
@BladesIIB 3 жыл бұрын
Hope you were able to get them all sharp and back in tip top shape.
@winnie365 7 ай бұрын
Great instructional video. Well done!
@BladesIIB 7 ай бұрын
@winnie365 - Thanks for the comment, glad it was helpful.
@DavidR8 3 жыл бұрын
Well done, I have a drawer full of definitely not sharp drills. Going to have spend some time at the grinder!
@BladesIIB 3 жыл бұрын
Thank you and Good luck, I think you will be pleasantly surprised with the results!
@TrPrecisionMachining 3 жыл бұрын
very good video..thanks for your time
@ypaulbrown Жыл бұрын
Hey Bud...great idea on the large drill fixture for checking lip length.... I have watched dozens of video on drill sharpening, and have never seen this great device....your video is to the point, pun intended.... and very well done, I also use a belt sander, and old 2x48 Kalamazoo..... wish I had something that did not hop around so much.....I do own a Black Diamond drill sharpener, but it only goes to 3/4"....so your technique is very helpful......I did come up with a way to put flats on the shank of Silver and Demming bits, by using a 5C collet and a hex collet block and then an xy table to move the bit back and forth in front of a grinder, which I took my Radial Arm saw and installed a grinding wheel on it.... used the arm to move the wheel in and out.....worked slick......unfortunately my mill is under the weather, so I had to improvise....if you know what I mean.... If I use a 1/2" collet, I can put bit in the square collet block and run Back and Forth to grind on the radial arm saw or belt sander......for really big bits.....I hope I have not bored you with this long winded dissertation......[pun intended again] best wishes, Paul in Orlando, Florida
@BladesIIB Жыл бұрын
Paul Brown - Glad you enjoyed the video, and not to long a story at all. I always like to hear how others improvise to get things done. That is always the challenge in the small home shop for the one off unique task is how to do it with what you have in hand. Cheers!
@lindakingsley6765 9 ай бұрын
Best video and explanation on youtube todate
@BladesIIB 9 ай бұрын
@lindakingsley6765 - WOW! Thanks for the great feedback. Glad the video was helpful.
@edhibbard1030 3 жыл бұрын
Great video. I have a drill Dr, but the stone seems too course for the smaller drills. This will simplify my free hand attempts. I didn't realize it is not necessary to twist the drill as you swing it up. Thanks for putting this out there for us.
@BladesIIB 3 жыл бұрын
Ed glad it offered some insight. Thanks for the comment.
@fenchelteefee Жыл бұрын
Awesome, finally I got it
@BladesIIB Жыл бұрын
fenchelteefee- Congrats! Glad this was helpful. Thanks for the comment.
@Got2no 2 ай бұрын
Very nice thanks.
@BladesIIB 2 ай бұрын
@Got2no - Glad it was helpful. Appreciate the comment.
@jerryblankenship9908 Жыл бұрын
That was real good think you
@BladesIIB Жыл бұрын
Jerry Blankenship - Appreciate the comment, glad you enjoyed it.
@chotuusian4127 Жыл бұрын
Good work 👍
@BladesIIB Жыл бұрын
@chotuusian4127 - Thanks! Appreciate the comment.
@jeffreyschmiedeck4254 4 ай бұрын
At the binging of my apprenticeship I spent a month sharpening drill bits .
@BladesIIB 4 ай бұрын
@jeffreyschmiedeck4254 - Sounds like some strong skill building there 😀. Thanks for the comment.
@theestimator 4 ай бұрын
Lucky yew dint hav too rite anithing doon
@johnambler3107 2 жыл бұрын
Hi, I’ve just found your great channel and subscribed. When you were cutting the 60 degree angle with the compound did you run the lathe in reverse? Thanks looking forward to going through your videos 👍
@BladesIIB 2 жыл бұрын
John Amber - Thanks for the comment. Yes I was running in reverse cutting the 60deg. Should have commented on that in the video. Just seemed easier to have the compound at that angle for feeding. I could have turned it to 30 deg the other way and run forward. Then you are just leaning over the lathe a little more to turn the compound. Thanks for the sub! Hope you enjoy the other videos.
@dougekren6495 Жыл бұрын
What happened to the good old fish tail gage !
@BladesIIB Жыл бұрын
Doug Ekren - The old fish tail gauge is a great tool for threading for sure. I have a couple of them I use. With the 60 deg in the tail you can get an ok read on one edge of your drill and 60 is pretty close to 59 deg. I just tried it and it is a little hard to hold square on the shank with so little edge length in the fish tail. But, if that is what you have instead of a protractor I say go for it. Thanks for the comment.
@jds4935 Жыл бұрын
What belt sander do you use? 🙏
@BladesIIB Жыл бұрын
J DS - That is a Coote Belt Grinder. I have had it for years and my dad has used one for over 25 years but looks like they still make and sell them - cootebeltgrinder.com. Thanks for the question.
@taiwanluthiers 2 жыл бұрын
Do you have any tips on resharpening a parabolic flute bit? These have much thicker webs than normal drill bits, and when you try to grind it like a normal drill bit, it does not look right.
@BladesIIB 2 жыл бұрын
Tyler Fu - I am not familiar with that type of bit. I have used some bits with a thick web and after sharpening I go in and thin the web on the trailing edge to get a more normal size chisel point. Maybe that will work for what you have?
@taiwanluthiers 2 жыл бұрын
@@BladesIIB Problem is my bench grinder can't grind a sharp corner... the edge of the wheel is rounded and no matter how hard I try to thin the web all it did is round it over. I think I need one of those belt grinder but they're really expensive over here.
@BladesIIB 2 жыл бұрын
@@taiwanluthiers look for a wheel dresser to square up your wheel. Either a Star dresser or a diamond dresser. They are only $20-$30 dollars and easy to come by over here. Hopefully those are easy to access for you as well.
@taiwanluthiers 2 жыл бұрын
@@BladesIIB Is it even possible to dress a normal stone wheel to be able to grind a sharp corner? A while ago I got a dressing thing but it was a single point diamond, not the hammer looking thing, and while I could dress the wheel for some reason the edge is always rounded.
@BladesIIB 2 жыл бұрын
@@taiwanluthiers I guess it depends on the wheel. You should be able to get a pretty good corner. Depending on the hardness if the wheel it could round over and wear pretty quickly again. But I have sharpened many drill bits in a stone wheel before using the belt grinder.
@roadshowautosports 3 жыл бұрын
Awesome video! Do you have any day on those Dr. Drill machines? For small bits at least. Thank you!
@BladesIIB 3 жыл бұрын
Edson, Glad you liked it. No I don’t have any type of sharpening machine. All done by hand.
@roadshowautosports 3 жыл бұрын
@@BladesIIB thank you for replying! i own a couple of them and they seem pretty good at it. Also, did you get my message about sharpening cutting boots for different materials and cuts? I think it would be the first and only on KZfaq! It’s something i think manny don’t know enough to decide how to shape their tools for each job. Thank you for the great content you put up and your precious time! Peace!
@BladesIIB 3 жыл бұрын
@@roadshowautosports From what I know, yes the Drill Dr. works well for sharpening. We had something at the shop I worked at 30 years ago and mainly just used it for large bits. Bottom line go with what works best and what you have. I saw your other note, I am good with making any shape tool I need. I am not an expert on all the angles though. Other than on drill bits or threading tools I don’t usually measure any angles on my cutting tools. I will see what I can come up with. Thanks for the feedback.
THATLAZYMACHINIST
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