Posted by BillS on January 19, 2017 at 11:53:42:
In Reply to: Tos fo 10 posted by Umer on January 07, 2017 at 14:49:40:
I had hoped that someone familiar with the machine could help you. I didn't want to get in their way to offer help.
I don't know why engaging or disengaging differential would change table feed. I still hope someone can resolve that riddle.
There is some info about machine constants and formulas here:
Collection of Hobbing Machine Data
I googled and found a few of the machines at used machine tool companies, so you might get some help there. Maybe they can give you contact info to manufacturer of TOS hobbers (I think this is a Czech manufacturer).
Also, you might contact websites that deal in used machine manuals. Ebay lists some used manuals. There are links in the FAQ page to some of those vendors.
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