Gallery, Projects and General > How do I??

trepan tool?

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BillTodd:

--- Quote from: Joules on May 31, 2020, 06:49:29 AM ---Bill, does that tool have a tendency to dive towards the centre of the hole ?  Quite aggressive rakes on the tip, something I should really have a play with, what are the tip dimensions hard to judge scale from the pictures.

--- End quote ---

It's about 3mm groove and about 30mm deep , total length about 65.

Can't say I've noticed it dive in any particular direction ,it is solid carbide.

BillTodd:


--- Quote from: mattinker on May 31, 2020, 06:55:04 AM ---Celsoari,

How big a trepanning tool? https://www.youtube.com/user/userwl2850 does some amazing deep hole drilling!

Regards, Matthew

--- End quote ---

Neat8-) remined me that broaching cutters are also trepanning tools and another useful option for making big holes

Joules:
Cheers Bill, I thought just the tip was carbide.  Nice link Matthew, he was just down the road (a bit) from us, wish I could have seen his place before he wound it up, real shame.

WeldingRod:
The fancy trepanning tools are run well below centerline, if I remember correctly, and the whole insert is slanted down a lot.  Very funny looking.  I didnt see any dig in issues, even on delrin.

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