Smart and Brown model M Mk1

[God mode restorations]

That's the holders faced off and deburred

All doc now and giving a nice finish.

Deep cut

Light cut.

Looking dam nice mate. Great to see the machine working.

 

[eLuSiVeMiTe]

Cheers boss.
Lots of niggles to snag now I'm testing but nothing major. Mainly tightening gibs adjusting backlash etc.


Feeding by hand one handed above. Much smoother 2 handed.

 

[Hood]

Does it not have power feed?

 

[God mode restorations]

Cheers boss.
Lots of niggles to snag now I'm testing but nothing major. Mainly tightening gibs adjusting backlash etc.


Feeding by hand one handed above. Much smoother 2 handed.

Yes testing takes awhile. Am still doing that and not 100 percent happy yet

 

[eLuSiVeMiTe]

Does it not have power feed?

Yes.

But until I modify the geometry of one spindle on the tumble reverse I'm feeding away from the spindle only.
(Might be able to stick amother banjo on to feed forward temporarily but really need to fix properly.)
It's from a mk 2 I think and doesn't quite engage one cog.
Still deciding best way to solve.

Screenshot from post #180

 

[FoxZulu]

It's good to see it running. Are you running an open ended belt? They're a pain to fit, but an endless kevlar belt is so much quieter. I fitted one to my Mk2 when I stripped and rebuilt it.

 

[eLuSiVeMiTe]

It's good to see it running. Are you running an open ended belt? They're a pain to fit, but an endless kevlar belt is so much quieter. I fitted one to my Mk2 when I stripped and rebuilt it.

It's stapled at the minute. Have 10 inches of the same belt so might have a go at splicing properly.
Most of the noise is from the motor and that's gonna go 3p and vfd when I find a suitable motor.

 

[FoxZulu]

You can splice kevlar belts in situ without dismantling the headstock providing you use the correct adhesive. I bought mine ready spliced and changed it over when the headstock was stripped. I found the d-dum d-dum noise from the staple really annoying.

3ph sounds good - much more torque. I put a new 3/4hp 1ph in mine but it's a bit gutless and spins too fast throwing all my speeds out. I've just replaced the bushes in my original motor which is a lot heavier and runs at the correct speed to match the plated speed chart. Just need the motivation to swap them over now - it's right a*se to do.

 

[eLuSiVeMiTe]

You can splice kevlar belts in situ without dismantling the headstock providing you use the correct adhesive. I bought mine ready spliced and changed it over when the headstock was stripped. I found the d-dum d-dum noise from the staple really annoying.

3ph sounds good - much more torque. I put a new 3/4hp 1ph in mine but it's a bit gutless and spins too fast throwing all my speeds out. I've just replaced the bushes in my original motor which is a lot heavier and runs at the correct speed to match the plated speed chart. Just need the motivation to swap them over now - it's right a*se to do.

Mines on the fast side too. Will be looking for a 6pole when I order my motor.
Currently has a 2hp motor in it. See no reason to step it down. Lathe isn't bothered by the extra grunt.

 

[eLuSiVeMiTe]

Didn't fancy using the surface mounted box.

Too bulky.

Few cuts with the grinder them on the mill for the mounting holes.
Popped an end mill in amd took out most of the big holes and finished off with a file.

Round off the sharp edges and paint tomorrow.
Il move them to the mill when I aquire a 3p motor for the lathe and make new panels for vfd controls.

 

[eLuSiVeMiTe]

Temp switches fitted. Might even touch up the paint later. Still a bit soft when I fitted.

Does the job and works as intended.
Put the eswitch low so I can kick with my knee.
Doesn't look too offensive.

 

[eLuSiVeMiTe]

Bit more testing. Tweaking the backlash adjustment on the cross feed. Had worked loose. Can't have tightened the locking rings properly.
Motor isn't sounding to hot after an hours use. Good excuse to order my new motor before it dies. Gonna need it to machine bushings for it.
Will investigate tomorrow. Might be the pulley knocking again.

Leftover 80mm bar from my mills new handle.
Gonna be a beefy spinning top. Machined down to 14mm to fit one of my collets.
Now need to machine a spacer for my draw bar so I can use the collet to hold the piece to machine the taper.

Now the question is do I set a ballbearing in for it to spin on or not.

Was interesting to note the effects of surface speed as I turned 80mm down to 14mm.

Gained some good insight.
1.5mm (3mm diam) seems to be optimal for my setup. Great finish and fast passes. Any deeper and my travel speed is too slow and I may as well do 2 passes of slightly less in the same time.

 

[eLuSiVeMiTe]

Despite my carnivorous lathe trying to eat my hand I pushed on with the spacer/bushing for my draw bar.
Assume it was from a model a as about 55mm too long.

Gave up boring and grabbed a 24mm mt3 twist drill. Clocked it in the unused 3 jaw and utilised the center hole for a live center. Turned the taper down to fit my chuck and enlarged the 17mm hole to near size.

Workpiece stayed in the 4jaw to save reclocking it
My boring bar is deflecting too much so next step is to make a new one. (Will come in handy in the future. )

Backgear around 100rpm or so and she didn't break sweat.
120mm long.

Note the temporary qctp handle.

 

[eLuSiVeMiTe]

Best get it fitted. Which no doubt will entail making a sleve or boring the pulley knowing my luck.

 

[eLuSiVeMiTe]

And buying and modding a sleeve it is.
1inch bore on the pulley. 24mm on the shaft.

Pulley has been sleeved to 19mm but cant machine the pulley without the pulley.

Plan is to turn some stock down to 24mm and superglue the 24/28mm sleave to it and turn down to finished dims.
Heat to release

Feasible?

 

[eLuSiVeMiTe]

Started life looking like this.

Turned down some stock to make an arbour and glued it on.

And it fits

Now to mill a shoulder on the key.
Easier than enlarging the keyway.

Bushing is now only 1.37mm thick.
Easier than making from scratch.

 

[eLuSiVeMiTe]

Oh and my 4" 3 jaw is very good.
Managed to re chuck the arbour and put the dial on.
Couldn't check dor fit in place.

 

[Hood]

Lathes are great aren't they

 

[eLuSiVeMiTe]

Lathes are great aren't they

Yup.
And frustrating.
Every job seems to require 3 extra jobs before you can proceed.

 

[Hood]

Once you have it up and running it will be fine