It should be quite possible to convert SolidWorks assembly files (.sldasm) to IGES format, which is what sldasm to iges conversion represents. Some programs are able to disassembly files to part automatically whilst with other you will need to do it before.
Open SLDASM file Open IGES fileA CAD viewer program with conversion capabilities
A set of 3D modeling tools
A CAD converter with huge format support
A CAD visualizaton, analyzation and translating system
A 3D CAD translation software
A dedicated CAD converter