Hi together,
i have a "little" problem with my good old Heidenreich & Harbeck V3.
Yesterday i was turning some small parts with high speed (1400 RPM). After 1 hour of turning i heard a very heavy load on the engine, smoke comes out of the main gearbox. I shut off the machine as fast as a could an opened the gearbox cover.
The spindle was hard to turn by hand and I got scared that I ruined my main bearings. I made those new a couple of years ago when I purchased the Machine.
But after I took of the Gearbox Cover I could see smoke coming from the Clutch, exactly said from the right Clutch of the 2 which is used for reverse spindle direction.
The bearings from the main Spindle had normal Temperature, everything seems okay, at that moment I felt happy again because the front bearing costs around 2000 Bucks
:D
I was wondering because I turned in forward direction, not reverse.
After I let all that stuff cool down for 2 hours everything turned and felt normal :O
I have to say that the clutch for the reverse direction always has been pretty worn out and I think that it needs some care.
My 2 cents on this smoke are:
The reverse clutch basket (Here in Germany I would say Kupplungskorb) is spinning free on the Shaft when turning with forward rotation. There has to be a Inside Bearing that allows the sliding.
That bearing maybe got some Temperature and started to block on the Shaft which causes smoke and not so nice noises.
Will have to take that stuff apart, but I have no good access to that side of the Machine.
I got scared that my Oil Pipes and stuff like that in the machine are not correct so I would really be happy if someone here knows something about the VDF´s lathe and maybe there are pictures of main gearboxes from your lathes?
I think I will be able to post more pics in the evening.
I also hope my English is understandable an I wish all of you the best regards from Germany,
Christian
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