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Lathe improvements?

Old man playing with lathes.

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Michael Gilligan31/07/2019 21:11:02
13820 forum posts
603 photos

With your wonderful enhancements to the lathe, Neils ... that headstock casting is starting to look under-nourished !


Niels Abildgaard17/08/2019 20:44:30
229 forum posts
74 photos

My son has fallen in love with the 180 lathe and I am preparing to send it out in the world.



It has got a 15mm steelplate between stone and headstock as support.I have also ordered a box with ER40 collets 3-26mm.

That means I will not be able by daily use to decide wich of the spindle variants

WM180 assembly

That is the one I have made

or the proposed is best.

I have  unscrewed 3jaw with backplate from present spindle and screwed the 4jaw plus backplate on and that is around 2 minutes.

I then put only backplate on again to simulate the new and maybe better spindle.

It takes a little more than three minutes to take the three long M6 bolts out ,place three-jaw in drawer

put four jaw on and secure with four long M6 screws.

The new configuration saves ca 20mm length for chucks but makes ER collets less accurate.

Can I have some advice before I write a letter to the Chineese embassy?


New spindle

Edited By Niels Abildgaard on 17/08/2019 20:56:20

Edited By Niels Abildgaard on 17/08/2019 21:04:09

old mart19/08/2019 13:59:56
444 forum posts
42 photos

You will only know if a collet is good if you repeat the fitting with the collet at random positions and then take an average runout.

Niels Abildgaard23/08/2019 13:56:20
229 forum posts
74 photos

I have received a X-mas gift on my dorstep from Amazon four days after ordering.And paying 122 Euro

My 24mm testbar gives total run-out within one division (0.01mm) close to collet and plus minus 0.025(total 0.05) at cantilevered end 200mm away when put in 24 to 23 collet .In the 25-24 it hardly moves near collet and is plus minus 0.015 at free end.

Not bad

I have some spoiled carbide milling cutters and can test these close to collet.

The 12mm cutter in 13-12 collet is plus minus 0.03 but 13 is not a lucky number and in the proper 12-11 collet it is plus minus 0.01.

16mm cutter and10mm cutter run within one division in proper and proper plus one collets.

Very ,very satisfactory.

X-mas in August

Edited By Niels Abildgaard on 23/08/2019 13:57:40

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