Application of ObjectARX in bearing bush's structural CAD design

The article takes the turnup border bearing bush of internal combustion engine for example,describing the application of ObjectARX in its structure CAD design.It also delivers the superiority of creating the interface of system with MFC,the method of loading the data listed in National Standard and the method of exchanging the data with users.It can be seen that ObjectARX,as the powerful developing tool of AutoCAD,is incomparable language to the others in customizing the interface.