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A day at the lathe... pen vice made!

Davince

Apprentice Member
Joined
Jul 28, 2020
Posts
16
Location
Hampshire
First Name
Del
Didn’t have the greatest success with the pin vice so decided I’d knock up an inverted collet chuck while I wait for the wood to arrive.

Works an absolute treat!

28544666-26A9-49CC-8AD2-E2E740CE09D5.jpeg
 

flexi

Executive Member
Joined
Sep 12, 2014
Posts
6,159
Location
Maidstone
First Name
mark
Looking good, many different ways to solve the same problem. I have also seen similar with squishy rubber too. :thinks::thinks:
 

Davince

Apprentice Member
Joined
Jul 28, 2020
Posts
16
Location
Hampshire
First Name
Del
Looking good, many different ways to solve the same problem. I have also seen similar with squishy rubber too. :thinks::thinks:

I tried a squishy rubber one last time but think my rubber may have been a bit toooo squishy... it was like trying to turn up a piece of spaghetti :funny:

I'm going to make up sleeves of brass with longer cuts in them, so that with any luck this one chuck will be usable for all internal diameters by adding the relevant sleeves. I tried one yesterday out of a bit of steel but the combined resistance started getting a bit too much.
 

Penpal

Grand Master
Joined
May 26, 2013
Posts
25,340
Location
Canberra AUSTRALIA
First Name
Peter
Wow all this hocus pocus. Important to decide at some time just what you would like to end up doing well. Reminds me of bees circulating and distributing .

Have fun,I do.

Peter.
 

Davince

Apprentice Member
Joined
Jul 28, 2020
Posts
16
Location
Hampshire
First Name
Del
Wow all this hocus pocus. Important to decide at some time just what you would like to end up doing well. Reminds me of bees circulating and distributing

It was a long weekend, so I may be missing your point but... well... I have no idea what you're trying to say?

I needed a tool to do what I wanted well, I made a tool to do what I wanted well, where is the hocus pocus and why would it impact on any decision?
 

Dalboy

Executive Member
Joined
Mar 20, 2014
Posts
7,679
Location
Kent
First Name
Derek
A good idea Del. One thing I can see and don't know if you agree is that it will hold on the end but at the other end will allow the tube to go off centre as that end does not expand. Could you have not made the expanding piece from a tube with slots either end and a centre bar which has a fixed cone one end and a screw cone at the other?
Just an idea you may think it is just rubbish
 

Davince

Apprentice Member
Joined
Jul 28, 2020
Posts
16
Location
Hampshire
First Name
Del
A good idea Del. One thing I can see and don't know if you agree is that it will hold on the end but at the other end will allow the tube to go off centre as that end does not expand. Could you have not made the expanding piece from a tube with slots either end and a centre bar which has a fixed cone one end and a screw cone at the other?
Just an idea you may think it is just rubbish

The first version I made did almost exactly that! It wasn’t very stable, so I just machined this as a light interference fit to the tube size, and will do the same for the sleeves. It needs only a slight “push” to fit The tubed wood over the Chuck, but it can’t run out of true.

It’s very much a specific sized chuck, hence sleeving for other sizes. To tighten the tube on the chuck takes only a single turn of the thread (and it’s a fine thread!)
 
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