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Thread: Champher tool
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2nd Sep 2021, 05:04 PM #1Most Valued Member
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Champher tool
Watching some of Joe Pie" vidoes he uses a champher tool that does both outside and inside
Anyone know if these are available online and from where
Why should I have to be swapping tools out......
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2nd Sep 2021, 05:48 PM #2Philomath in training
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Got a picture? I have a carbide chamfer cutter that I use for inside and have ground up some HSS for outside use - could probably sort something out for you.
MichaelLast edited by Michael G; 2nd Sep 2021 at 05:49 PM. Reason: was HHS - blame the anesthetic...
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2nd Sep 2021, 06:00 PM #3Most Valued Member
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2nd Sep 2021, 06:54 PM #4Philomath in training
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One of these?
lathe tool.jpg
I have one of these boring bars from General tools. The tip I have in it is for ACME threads (and the bolt in the front is a ring-in), but you could use one of these with a ground insert.
DSCN8375.JPG DSCN8374.JPG
What it looks like he is using there is a carbide threading tool. The page is from Mcmaster, so you would have to cast around for a local equivalent.
Attachment 393796
If the GT boring bar idea looks a little flimsy, I could broach a 1/4" hole in a bit of square stock for you.
Michael
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2nd Sep 2021, 09:08 PM #5Most Valued Member
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3rd Sep 2021, 11:06 AM #6Most Valued Member
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thanks Michael...I will have a look for that threading tool...if I cant find I know where to come
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3rd Sep 2021, 01:26 PM #7Most Valued Member
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I ground up a double-ended chamfering tool. Not as efficient as Joe's all-in-one tool, but works well. Make sure you grind plenty of relief into the end that does the internal chamfer.
Chris
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3rd Sep 2021, 06:46 PM #8
YouTube restorer My Mechanics uses a square tool presented at 45 deg. for both inside and outside champhers. No repositioning required.
If you haven't watched any of his videos, they are worth a look.
Findlay.
Champher1.jpg
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3rd Sep 2021, 09:01 PM #9
For a lathe unless it's a small chamfer I find the tool chatters on larger ones and leaves a crap finish, so I use the compound with the lathe in reverse cutting on the backside.
Makes easy work and the compound is usually set around 45 degrees to keep out of the way of the tailstock.
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