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Help wanted . someone with a mill

toolpost mod

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Simon Geary23/12/2016 20:40:19
15 forum posts
3 photos

Hi all . my kids have bought me a quick change toolpost for Chrimbo . I need to modify my compound to lower the centre height . its a 100 year old Drummond lathe that I inherited from dad . what I need is 5 mm milling off the top flat square and a couple off mm taking off the bottom . if theres anyone around the Hinckley Leicestershire area with a mill who would be interested in helping me . would you get in touch please

Hacksaw23/12/2016 21:00:32
178 forum posts
52 photos

They're very very hard , i did it after annealing it and still needed a carbide cutter... I suggest a surface grinder ?

 

Bah sorry ! I miss read  thought you wanted to shorten the T P !  It's them that's rock hard...

Edited By Hacksaw on 23/12/2016 21:02:22

Simon Geary23/12/2016 21:18:06
15 forum posts
3 photos
Posted by Hacksaw on 23/12/2016 21:00:32:

They're very very hard , i did it after annealing it and still needed a carbide cutter... I suggest a surface grinder ?

Bah sorry ! I miss read thought you wanted to shorten the T P ! It's them that's rock hard...

Edited By Hacksaw on 23/12/2016 21:02:22

yes I made a couple of marks in the bit I want milling with a hacksaw .and a file .fairly soft . and it has been used at some time for milling and had a chunk cut out of the front face so it should be fairly easy to machine

Hopper24/12/2016 04:44:14
avatar
1413 forum posts

Grip a milling cutter in the chuck, bolt or clamp the piece to be milled on to the cross slide, using various packing pieces to adjust height and Bob's your grandmother's daughter's brother. A carriage lock is pretty much essential. Nipping up a bit of shim in the lift plate under the rear shear will do at a pinch.

Peter Dobson27/12/2016 22:56:27
9 forum posts

Simon

I have sent you a message. I might be able to help.

Peter D

bodge28/12/2016 01:08:41
186 forum posts
3 photos

Hi

You could pack the head stock & poppet head with some 1/4" or 5/16" br,ms plate, would save on thinning down an original part .........................b

sean logie28/12/2016 06:39:16
avatar
264 forum posts
20 photos

Just a thought ... Can you not return and swap it out for one that gives you the correct height for your lathe . I had the same problem just with the tool holders they needed about 3mm off the bottom . I tried a carbide cutter whilst holding the part in the 4 jaw without much success . Ended up using a grinder ,a bit rough I know but needs must and it worked .

fizzy28/12/2016 10:03:29
avatar
1270 forum posts
80 photos

At 3 hours to Burnley I doubt you would want to but if you drive up I will happily do the machining for you.

Alan .20428/12/2016 16:14:48
248 forum posts
6 photos

I'll do it for you but I'm a fair way of I think, Market Rasen North Lincs, let me know what you think.

Alan.

Phil super728/12/2016 16:59:17
2 forum posts

I could do this for you if interested quite close to you I l live in tamworth

Phil

Simon Geary29/12/2016 12:01:40
15 forum posts
3 photos
Posted by Alan .204 on 28/12/2016 16:14:48:

I'll do it for you but I'm a fair way of I think, Market Rasen North Lincs, let me know what you think.

Alan. Thanks matey but a little too far

Nick_G29/12/2016 13:12:14
avatar
1336 forum posts
523 photos

.

Have you got a 4 jaw chuck and a set of flange jaws for it.?

If so you could probably do this yourself providing you were careful with the setup.smiley

Nick

Simon Geary29/12/2016 14:41:53
15 forum posts
3 photos

I have got a 4 jaw I also have a back plate but the swing on my lathe is not big enough as the compound is about 6 inches long

Gary Wooding29/12/2016 14:48:29
331 forum posts
61 photos

Simon, I have a mill and live in Leamington Spa. Is that too far away?

Chris Evans 630/12/2016 07:32:10
649 forum posts

Simon, if Phil super 7 does not get you sorted in Tamworth I am a little further up the A5 in Kings Bromley, Chris.

David George 101/01/2017 16:07:42
avatar
37 forum posts
13 photos

Hi Simon I recently fitted a quick change toolpost to my Drummond M type and wondered if this information is useful as I didn't have to reduce the heights but anyway have a look.

David

 

 

 

toolpost 1 (5).jpgtoolpost 1 (4).jpgtoolpost 1 (3).jpgtoolpost 1 (2).jpg

 

 

toolpost 1 (1).jpg

 

 

Edited By David George 1 on 01/01/2017 16:13:56

Simon Geary11/01/2017 13:12:48
15 forum posts
3 photos

Thanks for all the offers of help . a member of this group Michael W ,has done the job for me , so ne xt thing is the choose what tools go into the 4 holders and get them centred ready for use ... Happy new year to all ...

Mike Poole11/01/2017 13:54:43
avatar
632 forum posts
19 photos

Hi Simon, you are on the slippery slope now, it's near certain that you will want more tool holders, I am up to 20 now but some are spare at the moment, I am sure it won't last.

Mike

Edited By Mike Poole on 11/01/2017 13:55:20

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