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Valve Base
sbwhart:
Nice one Darren
Your making a nice neat Job of it:- love the improviced centre. :headbang:
Shows good use of collets and collet stop, been trying to identify lathe, what bread is it ?. :whip:
Have
:wave:
Fun
Stew
bogstandard:
Darren,
Nice improvisation yet again, use what you've got to get the job done.
One of my collet stops is the same as yours, and I found a problem when using small collets. The threaded rod won't come far enough forwards to act as a stop.
I drilled and tapped both ends of the main threaded rod 3mm, so a long 3mm bolt with the head cut off and fitted into the end can reach up those small collets. You can make all sorts of little stops just by reshaping the bolt heads and screwing into the end.
John
Darren:
Eric,
No probs, should you want to build a "tube" amp I'm sure I can help. I'm no expert though, but seemed to have managed to have built 20 or so amps to date.
SETs are my flavour, as opposed to PP.
Stew,
Yep, when I was looking for a lathe I just knew I wanted collet facility. Not regretted it for a moment, the chuck gets rarely used on this lathe. It has a "proper" collet lever assembly and is really fast to use when changing parts.
It's a Smart and Brown Model L Capstan Lathe http://www.lathes.co.uk/smartbrown/page2.html
I have a 6 tool possition sliding turret, a double action cut-off slide, a normal compound slide and a normal tailstock. Unusual for this model is a 5c collet nose, most used a smaller Smart & brown collet that is hard to find. Also the spindle is fully hardened and runs on roller bearings as opposed to plain bearings. It's 3ph with a 2 speed motor and I use a rotary converter to get my 3ph supply.
The whole thing sits on a ridiculously heavy cast iron cabinet which behaves as one unit with the lathe.
All in all it's a superb machine, but lacks feeds and screw facilities as it's a "plain" lathe.
Really used for large volume production work before CNC came along.
John,
Yes I can see the limitation there. I was going to make a larger dia end plug for the stop as I thought it was too small to hold small lengths squarely.
This turned out to be not so and it is fine as is. Held those small parts perfectly square with no effort on my part.
I really do like using collets I have to say.
Darren
sbwhart:
Hi Darren
I recognise your lathe now we use to have some where I work, them and symilar Swiss make:- Saublin, we must have had 30+ all gone now. Very good machines, we use to run them at high speeds making small brass components, depending on what we were doing, they were set up with a capstan head or cross slide etc we had a full kit of attachements. We had women operating them, they were very skilled, and had a great light tuch, they could adjust size just by varying the pressure they aplied, and repeat it time after time. :bow:
Cheers :wave:
Stew
Darren:
Yes the 3,000 rpm is nice for doing brass, esp without auto feed.
Darren
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