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Used to design them but pretty rusty now. I don't remember any real problems using a proper design. I did used to follow the recommendations in the old ASTE Die Design Handbook (1955) which was- under 10 inches (largest dimension across the trimmed edge) uses spring pins (requires a hole in the...

I suggest you search Thomas' register for the type of industry you want to service. Also SME if manufacturing. I have over 50 years experience in manufacturing engineering in design only and design and build job shops and it still took a while to make a connection with a company doing the type...

I found what I think is the simplest tutorial so far. I am just getting into it but so far so good. All the intro stuff makes a lot of sense. Try "www.3D-cadcea.co.uk/html/importance.htm" Al Kirby askkkf@avci.net

Depends on what accuracy you need on the elliptical shape. An approximate ellipse is obtained by using the major and minor radii and and the X and Y overall dimensions. Some blending may be required at the intersections of the radii. There is a standard drafting procedure for constructing and...

Back in the 60's when we designed most of the tooling for PWA's small rocket engine, we set it in a matrix to hold and protect it while machining the bosses ,etc. The engine was located into a shuttle then the liquid matrix was poured in and solidified to hold the engine in an accurate location...

When using the screw adjustment and close accuracy on position is required, you will have to eliminate the inherent backlash. Al Kirby askkkf@avci.net

There is a text book which I purchased way back (may not be published anymore). It provided basic training and may be of some help or go to Barnes and Noble and search for current books. TIME STUDY ENGINEERING William H. Schutt McGraw-Hill Book Company Al Kirby askkkf@avci.net

Try using standard bases for construction ideas. Or better, purchase a standard. They may be less expensive than making your own. One source; M. B. Savage Co. 810/415 8100 representing MACHINE Bases by Inter-lakes 810/294 8120 www.interlakesbases.com I don't know of any text books. My...

To Danno and thecat I have converted Unigraphics models to Acad14 models. Now have to change to 2d for detailing dimensioning, etc. Would appreciate lisp programs. Thanks. Al Kirby askkkf@avci.net

If you are planning a one man operation or at most one or two detailers, it's a piece of cake. I am a retired tool eng (tools, dies, jigs, fixtures, special machines-whatever) and working at home specializing in jet engine tooling. I use Acad14. If you have the necessary software and hardware...