Proxxon PD 400 lathe. Runout and alignment.

My Proxxon lathe is known as a precise machine. Yet there is almost a tenth of a mm eccentricity. I'm going to look for the cause and a solution here.

[@Varnaj42]

Can you identify the music for me? It is wonderful. Thanks

[@Michel-Uphoff]

Read the description please

[@Watcheyes]

I found your videos today of the Proxxon lathe, all of your info is priceless! I'm very thankful that you share this and it seems that Proxxon built a very good machine when including your modifications (from the other videos) this machine is really a good machine which is not that common today if you dont pay around 3000-5000 dollar for a mini lathe machine. Wondering if the Proxxon 150 is also built with this design, same bearing etc.

[@Michel-Uphoff]

The Proxxon 150 is a hobby lathe with ball bearings in the aluminium head stock spindle and has an aluminium bed. Completely other design. It's tiny and weights 4,5 kg the PD 400 is 45 kg. Incomparable I'm afraid. Thanks for the complements! :-)

[@Watcheyes]

@@Michel-Uphoff Ohh I see, of course =) Then I will look further up in the Proxxon series then.

[@Michel-Uphoff]

I replaced the first movie for a better one. @Barrie Lever Your post has vanished because of this, I'm sorry. Thank you for the complement!

[@rodbutler9864]

Outstanding…..thank you.

[@marcoam2610]

The quality proxxon delivers with the 3- and 4-jaw chucks is nothing but catastrophic. Full of chips, dirt and burrs everywhere. Jaw steps, jaw step angles not square, not on the same plane/level…way too expensive and they call that precision…

[@Michel-Uphoff]

I don't have that experience as you can see at the end of this video. A runout (after cleaning) of 4 microns is very good for a self centering 3-jaw. The chuck was very clean, without any burrs when I bought it.

[@michellebacq9978]

Als amateur draaier/frezer vind ik jouw videos bijzonder leerrijk. Ik leer er echt heel veel mee en daarenboven geniet ik ondertussen van heerlijke muziek, wat niet overal het geval is. Dankuwel!

[@YooProjects]

Excellent Conclusions. you are super professional 👍

[@LexsLavrov]

If you need precision maybe invest in collet chuck? Since I have my PD400 in the job I asked colleague with bigger lathe to make a special long neck collet chuck for me.

[@Michel-Uphoff]

See: kzbin.info/www/bejne/jYDKgoWgg96teNk

[@johnutting9615]

Just a comment,I notice that the face of the quill where the chuck is mounted showed quite a large needle movement quivalent or more than that registered on your test piece. Had you thought of refacing that surface while the chuck was removed ?

[@Michel-Uphoff]

0,003 mm isn't much, but more important that surface isn't the calibration surface. I pasted the wrong clip into the video, and now there's no undoing it. The chuck registers on the outer ring of the quill.

[@uliman100]

Michel, are you happy with the lathe after all the modifications you have done? Would you buy the same machine again knowing what you have to do to get it to this level? I am in the market for a small and accurate mini lathe and your input would be much appretiated... Danke

[@Michel-Uphoff]

Oh dear, I don't have a simple answer to this.. In MY situation I think I would buy the same one, or maybe pay the extra money for a Wabeco D4000, also German. But much more expensive, around € 5000 for the lathe and all accessories. One of the reasons I bought this machine was simply the limited space I have. If I had a larger workspace, I might have bought a somewhat larger machine. But, I have no regrets, it is a very good machine, and I also enjoy making those modifications. If, like me, you are primarily interested in making small instruments and the like, you won't regret this machine. And, for the price of the Wabeco you not only buy this Proxxon lathe, but also the FF500 BL mill (reviewed soon)

[@uliman100]

@@Michel-Uphoff Hi Michel, thank you very much for your reply... I look forward to your review of the the mill