Dark Lady Clock

[BazyleParticipant @bazyle]

Gunsmiths use various cold chemical blacking processes if you search around on eg the HSM forum.

[john carruthersParticipant @johncarruthers46255]

I spent most of today making shiny screws…

[AjohnwParticipant @ajohnw51620]

Posted by Michael Gilligan on 15/05/2016 20:47:54:

Useful info. Bazyle … Thanks for posting.

**LINK** for anyone considering them.

MichaelG.

They have multiplied up the standard primes and added a few more – the results are interesting. I suspect that they are made on a cnc press so the holes for the size of the plate are on the large size. Not that this matters really. It would be considered good practice in some "circles" if they were drilled – longer drill life.

It looks like it's going well John.

John

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Edited By Ajohnw on 25/06/2016 17:32:06

Edited By Ajohnw on 25/06/2016 17:35:24

[john carruthersParticipant @johncarruthers46255]

It's coming along John thanks, I planted the train today and it runs with a piece of brass tied to the cord as a weight.
Next some tidying up, then the verge/foliot.

[john carruthersParticipant @johncarruthers46255]

Today I made a few screws and the verge/pallet.
Next the verge support.

[Neil WyattModerator @neilwyatt]

Nice to see the rapid progress!

Neil

[john carruthersParticipant @johncarruthers46255]

I have to make hay while the sun shines Neil, might be back on the morphine tomorrow

[john carruthersParticipant @johncarruthers46255]

Today I made the foliot and it actually ticks.
A bit erratic yet but quite encouraging.

[john carruthersParticipant @johncarruthers46255]

Now that I know it has a chance of working I shall put a bit of effort into the finish of the parts; cross out the wheels and spot the flat parts.

**LINK**

[john carruthersParticipant @johncarruthers46255]

Yesterday I started on the minute and reverse minute wheels. All kinds of bother with the spindle, belt too loose it slips, too tight it doesn't turn (or with reduced power).

In the end I removed the drive pulley and clamped a 1200W drill on the end of the shaft.
What a transformation, now it cuts full depth at a single pass, 32T Mod1 wheel cut in a couple of minutes, best result yet.

[AjohnwParticipant @ajohnw51620]

Interesting thought John. At one point I wondered if an electric drill motor could be adapted for a small milling spindle but found that they don't contain "complete" motors that can easily be removed.

I keep toying with the idea of using a model helicopter brushless motor but the current they take is a bit of a problem.

John

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[Neil WyattModerator @neilwyatt]

Posted by Ajohnw on 09/07/2016 09:40:20:

Interesting thought John. At one point I wondered if an electric drill motor could be adapted for a small milling spindle but found that they don't contain "complete" motors that can easily be removed.

I fitted the planetary gearbox from a portable drill into a steel casing that clamps in my toolpost. Works OK for light milling & drilling, but rarely used now I have a mill.

Neil

[john carruthersParticipant @johncarruthers46255]

The minute wheels…

[AjohnwParticipant @ajohnw51620]

Posted by Neil Wyatt on 09/07/2016 12:17:56:

Posted by Ajohnw on 09/07/2016 09:40:20:

Interesting thought John. At one point I wondered if an electric drill motor could be adapted for a small milling spindle but found that they don't contain "complete" motors that can easily be removed.

I fitted the planetary gearbox from a portable drill into a steel casing that clamps in my toolpost. Works OK for light milling & drilling, but rarely used now I have a mill.

Neil

I always have the thing I can't do at the back of my mind Neil – cylindrical grinding. If a spindle can't do that as well as mill not of much interest.

John

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[Neil WyattModerator @neilwyatt]

Posted by Ajohnw on 09/07/2016 13:47:59:

Posted by Neil Wyatt on 09/07/2016 12:17:56:

Posted by Ajohnw on 09/07/2016 09:40:20:

Interesting thought John. At one point I wondered if an electric drill motor could be adapted for a small milling spindle but found that they don't contain "complete" motors that can easily be removed.

I fitted the planetary gearbox from a portable drill into a steel casing that clamps in my toolpost. Works OK for light milling & drilling, but rarely used now I have a mill.

Neil

I always have the thing I can't do at the back of my mind Neil – cylindrical grinding. If a spindle can't do that as well as mill not of much interest.

John

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I made the rash assumption you wanted a milling spindle for milling

Neil

[AjohnwParticipant @ajohnw51620]

That too Neil. Motor power is a bit of an issue though. Looking in books that have set ups for cutting clock gears on a lathe I'm sure I have seen some that look like they use a 1/4hp output motor at least. Bit heavy cumbersome things on a rigid frame.

Do I need to grind round things – probably not but I can't so it's always tempting. More so now i find I do have a toolpost grinder in need of some (lots) TLC. Geared down it should make a decent milling spindle too. It must have come with a box of bits I bought off some one years and years ago.

John

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[Neil WyattModerator @neilwyatt]

Sounds like you need a Potts

Neil

[john carruthersParticipant @johncarruthers46255]

In the plans Brian suggests taking the motor off the drill press temporarily and using that.

I may build a better spindle later with ball races and a more powerful motor.

[BazyleParticipant @bazyle]

Overhaed gear? Just because motors became smaller and get one dedicated to each machine or operation doesn't mean the old ways are not worth considering.

[john carruthersParticipant @johncarruthers46255]

Yes, Ian suggested an overhead shaft, I may go that way.
"Old Mo" had a similar arrangement for grinding mower cylinders, a lucrative sideline.
All his shop ran off a Petter engine outside via line shafts, belts and pulleys everywhere, but with almost surreal silence.

[john carruthersParticipant @johncarruthers46255]

This morning's effort, the hour wheel.
I also made the minute wheel stud and marked out the hands ready for tomorrow.

[John silverParticipant @johnsilver78232]

My humble efforts so far (My 1st metalwork project)

Quite a way behind you there John, but getting there very slowly

All the best

John

Edited By John silver on 10/07/2016 12:52:03

[john carruthersParticipant @johncarruthers46255]

Looks very crisp John, I still have more crossing out to do.

[John silverParticipant @johnsilver78232]

Cheers John

I'm no so 'crisp' with the fret saw though I think I'll do the cross members next (I have turned the pinions but not drilled them. For this I'll make a mandrel and use my rotary table)

All the best (another) John

[John silverParticipant @johnsilver78232]

A quick question on the verge cross arm clamp.

As this is the same width of the front main plate ie 25mm and the hole spacing is 19mm, is the intention to have slotted holes in the main plate so that the whole verge plate etc can be slide up and the down the front main plate as required to get anything aligned correctly??

Cheers

John

[Author]

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