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Greetings, I decided to use a professional calculation package for machine design procedures in order to speed up the design process. This package somehow calculates a safety factor for pitting corrosion for spur gears. However I haven't been able to figure out how this is calculated. So far I...

Greetings, I am looking for some useful engineering magazines to subscribe to.The problem is,I have found tons in amazon.com but I have no idea whether they are any good or not.Can anyone recommend any "mainstream" engineering magazines useful to mechanical engineers who deal with machine design...

sorry,I should have mentioned this.The program is called "SolidEdge 2D drafting" and THAT is freeware.The actual program is not free.

Thank you both.Actually I came across a program called SolidEdge from UGS today that is 100% what I was looking for plus its freeware :)

Thank you for all your replies! they are very informative and I think I now have a way or two to study this problem. Warros: The pressure plate is driven by ball screws,the press will be used for material testing.You are right,I do intend to use a flywheel and a clutch.I will study the...

Greetings, I need to select a motor for an mechanical press application.Its nothing fancy, a 1.5 kW motor will do plus I need variable rpm and a max/min rpm ratio of 60. So,from what I have read,I can either use a dc motor or an induction motor with motion control,the latter being a better...

Greetings, I am looking for a program that I can use for quick 2D sketching much like the sketching mode of all commercial 3D CAD software (constraints,parametric design,mirror etc etc) and export them to JPGs or BMPs. Does anyone have any ideas? Thanks in advance!