When I run the spindle forward it makes noise, not that horrible like something is breaking down. When run backwards, noiseless, if I disconnect the vertical spindle by sliding it foremost, noise stops. The actual vertial part has new bearings, so I suppose there must be a bearing in the horizontal part of the vertical spindle.
Anyone with experience of something similar?
Excuse my technical english, my swedish is better.
I also have to learn some technical german, phew.
If the noise is different going forward as compaired to reverse i suspect wear in the gear train. Don't think a bearing would change with a direction change. Possible there is an alignment issue on the bevil gears if a bearing was bad, but sounds like gear wear to me. I would put some prussian blue on the gears in teh bevil setup and make sure the mesh pattern looks good.
Did the sound come with changing the bearings or afterwoods When changing the bearings the gears have to be aligned over new I have some folders about interpreter the result of prussian blue on that kind of gears(in german)
If you are in need of them please send me a mail
I dismounted the vertical head today. Seems like somthing is missing. Between the long tube with the driving axle mounted to the head shouldn't there be some shims? I have none, I've bought the machine from a bankrupcy sale, and the machine was partly dismounted due to spindle bearing change.
Is it tricky to get the gears in correct alignment. How big are the tolerances?
There are timiing marks on both bevel gears. On the big gear there should be 2 lines on the OD of the gear. On the smaller gear there should be one line on the od. The top of the head which has 2 bearings and the big gear should have some shims under the square part to control the depth of the engagement of the bevel gears.
If some one has totally disasembled the head to replace the bearings on the horizontal bevel gear it could also be misadjusted.