3D CAD models for mechanical components

[ady_mech]

Originally Posted by Kevin Sevcik

My best source for 3D models is either:

www.cadregister.com (Free registration required)
or
www.sdp-si.com

Two notes, though. Some of the drawings on cadregister are 2D only, which isn't terribly useful. SDP-SI doesn't have native Solidworks drawings, just IGES for Solidworks, but it's still pretty good. To get the SDP drawings, just go to the catalog, and look up the item exactly like you would if you were buying it. when you have the table of items with specs and part number up, click on the part number you want. At the bootom of the window that pops up, you should find a link for CAD drawings.

Thanks for the information. Another question - how can I open/convert SolidWorks 2003/2004 models in SolidWorks 2001? If it's not possible to directly open models created in future versions, can I convert them to 2001 version or something like that?

Also, I tried looking up a solid model of ANSI #25 roller chain on the 2 sources you mentioned but didn't find it. Any suggestions?