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Home brew boring facing and radiusing head (video)

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BillTodd:
I think you will appreciate this homebrew boring facing head,

The video is in Italian (i think!) but if really needs no verbal explanation:



Bill

millwright:
A nice find Bill, think i you would really need to have a lot of use it to decide to make one.  I would  keep forgetting how to set it up. well made tool and a good video.
John

BillTodd:
I may have to revise my orbiting lathe tool

Pete.:
Awesome home-made tool but I'd be disappointed with the finish on that radius. I love the ingenuity of the fine-feed though I can't figure out how they got one tooth different on two gears with the same PCD.

BillTodd:
The finish might have been better with a slower rpm (less vibration) and hss tooling.

Cutting  a gear with an extra tooth is not too difficult, just adjust addenum slightly to get the smaller pcd ( i made a 61t gear to replace a 60t for metric threads this way)

Bill

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