Came across this link today. An interesting collection of design and other engineering information. Geared toward MIT students, but apparently available to the general public.
http://pergatory.mit.edu/2.007/
Manufacturing Freeware and Shareware
http://mrainey.freeservers.com
I've been asked by a colleague to furnish specifications for a .7500-28 UNJEF-2B thread, which he says is called out on a customer-furnished drawing.
All the internal J-series threads I've ever read about have been class 3B. Furthermore, I don't see .7500-28 UNJEF listed in any reference...
The company I work for is considering a Niigata 1000mm horizontal machining center. It would be used primarily for machining large iron castings and steel weldments, in an environment where preventive maintenance and operator training are somewhat below par.
I’d like to get feedback from...
I previously started a thread in which I provided a link to some manufacturing engineering freeware I had written. By doing this, I unknowingly violated the forum rules. The thread was red-flagged and removed.
I apologize for this violation. My intentions were good, but my methods were...
