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[Ian B]

Looks like AK has you all beat

Ian

[Ian B]

Aren't those sleeves hardened? Chinese or not, I can imagine they're not easy to cut (unless you're using a cutoff wheel on an angle grinder that is)...

[Ian B]

Just a thought; as this is for use in a lathe (in the headstock), wouldn't a hole all the way through be useful to you? If you swap the one you have for...

[Ian B]

Makes perfect sense to me Bob.

Ian

[Ian B]

Not only a nice form tool, but an impressive lack of chatter too. Is the ball turned out of aluminium?

Ian

[Ian B]

You can already buy tang-less adaptor sleeves: https://www.ebay.co.uk/itm/Taper-Dri...YAAOSw82hf6NJj

Might make a nicer job of it...
...

[Ian B]

"Bronze". I've come across all sorts of bronzes over the years, some a dream to machine, others a complete nightmare. If it was hard brass,...

[Ian B]

Here's a table of ER collet sizes: https://community.carbide3d.com/t/er...ts-sizes/20664

Ian

[Ian B]

I think he just means a collet with a plain round hole, as he's only sharpening the tap which doesn't take much torque. He just wants to hold the round...

[Ian B]

I think it allows you to fit "different things" to the back of the cross slide - but apart from a parting tool rear holder, I've never seen...

[Ian B]

Any chance of switching over to ER collets on your tap grinder?

Ian

[Ian B]

Would this be what you're looking for? https://www.ebay.co.uk/itm/Lathe-rea...SsAAOSwLe9gEow...

[Ian B]

Yep, circle cutter, trepanning tool - basically the same thing. The part of the pin sticking downwards keeps the work centred under the tool, and the...

[Ian B]

Trepanning cutter, missing the arm and cutting bit maybe? This, but on a Morse taper: https://www.kbctools.com/itemdetail/1-805-55

Ian

[Ian B]

+1 on the "machine it from chunks of steel"; quicker, cheaper and stronger. How does it attach to the cross slide - does yours have existing...

[Ian B]

Grounds for divorce I'd think.

My "favourite" was when my nice 10mm split point cobalt drill had been used to drill a hole in a...

[Ian B]

Not sure if it's a UK thing, but I think we'd call these skew gears, as they drive at right angles. Very nice work indeed!

Seeing his love...

[Ian B]

Here you go: http://www.lathes.co.uk/colchester/page2.html

Ian

[Ian B]

Looks good to me. Next time, leave the lid off the tin of paint, and you can paint the shaper (and half of your workshop) at the same time.
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[Ian B]

Just a suggestion - would a flywheel on the motor pulley help you? It'll retard the acceleration of the rotor down a bit. It'll make stopping the spindle...