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Lathe improvements?

Old man playing with lathes.

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Niels Abildgaard18/04/2019 17:19:15
200 forum posts
49 photos

I gave a very well performing Boxford away and got a new and younger WM 250 six speed lathe.

RockFord

LatheCrane

 

 

It has got a VFD and a stone to sit on.Plus a much better compound slide arrangement.

wp_20190418_003[1].jpg

A M16 Unbrako 12.9 bolt has had its head reduced 2mm in diameter and surface is at least as good as the Boxford can do.

wp_20190418_005[1].jpg

It has a spindle with 21mm hole and MC3.

I want to have 27mm hole and ER40 instead.

I have slowly to admit that parts are getting to heavy.

A WM 180 has entered my house and will be put on stone and get a VFD plus AC motor.

 

wp_20190409_003[1].jpg

It is intended to make it turn better than Boxfor or WM250.

Stripped for most parts You can se that the bed-headstock has rigidity as a wet newspaper

wp_20190418_004[1].jpg

Edited By Niels Abildgaard on 18/04/2019 17:21:04

Edited By Niels Abildgaard on 18/04/2019 17:23:41

Edited By Niels Abildgaard on 18/04/2019 17:26:28

Niels Abildgaard18/04/2019 18:54:12
200 forum posts
49 photos

The dog demanded walking so I did not finish within the edit allowed window.

Why bother with new chineese when world is full of old My- and Boxfords?

First thing i try is putting my MC3 testbar in spindle as shown on the first (Boxford) picture

On the WM 250 on stone there is no runout close to headstock on my Swiss Tesatast.

On the bar far end it has moved 0.005 mm out and oscilates plus minus 0.005mm.

The WM180 straigth out of box and no stone is still zero close to headstock and 0.01 plus minus 0.008.

The 0.01mm stationary error can easily be shimmed away when it meets its stone.

Concavity on the WM250 facing two 100mm disc are around 0.01mm each.

The WM180 is around double but still concave.

The bedways are definately harder than on Boxfords.

The WM250 was 850€ from Holland and the 180 was in Denmark ca 1000€.

Both came with three and four jaw,faceplate and two steadies.

I will use the 250 to make a new bigger spindle for the 180

assem1.jpg

Am getting older so it is some kind of race.

Edited By Niels Abildgaard on 18/04/2019 18:58:06

Neil Wyatt18/04/2019 19:32:37
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15816 forum posts
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Posted by Niels Abildgaard on 18/04/2019 18:54:12:

Am getting older so it is some kind of race.

Look on the bright side Niels, you have no shortage of headstones...

Neil

Niels Abildgaard19/04/2019 05:41:52
200 forum posts
49 photos
Posted by Neil Wyatt on 18/04/2019 19:32:37:

Look on the bright side Niels, you have no shortage of headstones...

Neil

Good guess.

Plan is to have Diabas+WM180 slowly revolving (Solar array of course) on my grave.

Text on stone:

Remember to lube .

Edited By Niels Abildgaard on 19/04/2019 05:42:32

Niels Abildgaard16/05/2019 15:21:49
200 forum posts
49 photos

Have turned a new spindle partly and wait for parts.

One more bearing 32908 62 40 15 mm and a 50 and a 100 teeth wheels from

Cheap gears

The original spindle gear is 40 teeth module one and leadscrew 80 teeth.

 

 

Waiting for parts

Big Bore Weiss Machinery 180

Edited By Niels Abildgaard on 16/05/2019 15:22:52

Edited By Niels Abildgaard on 16/05/2019 15:24:11

 

WM180 assembly

Edited By Niels Abildgaard on 16/05/2019 15:39:38

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