hobbymat bfe65 sleeve guide broken

[Former MemberParticipant @formermember2993714729]

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[Former MemberParticipant @formermember2993714729]

[Ex contributorParticipant @mgnbuk]

Part 6 appears to be the precision sleeve that the quill runs in & the part that has broken off is the quill clamp.

Looks like it is a cast iron part that has done with flexing to clamp the quill – worn to the point that it had to be over-tightened to clamp adequately. Not much left to try to re-attach the broken bit, so probably requires a new part either purchasing or making (reverse engineer the part).

From memory the last manufacturer of these machines (who may well have been the original manufacturer in DDR times) was Saupe und Sohn, Georgstrasse 45, Limburg-Oberfrohna, Germany. Telephone 03722 6106 They don't appear to have a website & I don't know if they are still trading. The above details came from a German business listing website.

The "Prazi" title seems mainly to have been used to market these machines in America post German reunification – I don't recall anyone in the UK selling the former Hobbymat / Praezimat machines under the Prazi name. IIRC Pro Machine Tools did sell the former Hobbymat MD65 lathe as the Saupe SD300 at one time, but their website appears to be currently "down for maintenance" & they only seem to trade intermittently (based on earlier threads about them).

You don't say where you are based or what language your perfectly servicable translation was made from. Maybe worthwhile trying asking the question on a German model / hobby engineering forum ?

The above is probably not much help, but good luck with your search. If you do find a parts supplier for these machines, please come back & post the details.

Nigel B.

[DiogenesIIParticipant @diogenesii]

Maybe you could try a shaped block to fit into the three-sided recess to bridge the crack – see the photo's below – hopefully the sketch will be clear to you.

If you can make a spigot that will fit into the counterbore, and add a small countersunk screw or pin beneath the head of the new lock screw, and bond the thing in with epoxy resin you might be able to repair it sufficiently to keep the machine working gently until you can find a replacement – the acetal gear trains in the later heads all seem to fail eventually, maybe a call around used machinery dealers will turn a 'dead' mill head up for you.

Good luck..

[Roger BParticipant @rogerb61624]

TECO in the Czech Republic still make the milling machine. They may be able to supply the part you need:

http://www.tecoznojmo.cz/english/vf400.php

[Former MemberParticipant @formermember2993714729]

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