The numerical simulation on drawing process of automotive B-pillar was carried out on AutoForm software,and dangerous forming areas were discovered.The processing parameters,such as the layout of drawbeads,blank holdi...The numerical simulation on drawing process of automotive B-pillar was carried out on AutoForm software,and dangerous forming areas were discovered.The processing parameters,such as the layout of drawbeads,blank holding force and the shape of blank,were adjusted and optimized according to the simulation results.Results indicate that the quality defects can be forecast and removed,which improves the stability of forming process.The cost of design is decreased and the research cycle is shortened.It is proved that the drawing process and die design of B-pillar forming are feasible in actual production.展开更多
A new-type gear is analyzed and a strong computer aided design system is found by usingCADICAM techniques such as graphic, date structure, dynamic sirnulation technique. To describethe complex tooth surface, the commo...A new-type gear is analyzed and a strong computer aided design system is found by usingCADICAM techniques such as graphic, date structure, dynamic sirnulation technique. To describethe complex tooth surface, the common tooth surface equation is derived- A new method is proposedfor removing hiddn line of tooth surface, cornpile an interactive graphic software package that hasbeen executed successfully in Apollo computer.展开更多
文摘The numerical simulation on drawing process of automotive B-pillar was carried out on AutoForm software,and dangerous forming areas were discovered.The processing parameters,such as the layout of drawbeads,blank holding force and the shape of blank,were adjusted and optimized according to the simulation results.Results indicate that the quality defects can be forecast and removed,which improves the stability of forming process.The cost of design is decreased and the research cycle is shortened.It is proved that the drawing process and die design of B-pillar forming are feasible in actual production.
文摘A new-type gear is analyzed and a strong computer aided design system is found by usingCADICAM techniques such as graphic, date structure, dynamic sirnulation technique. To describethe complex tooth surface, the common tooth surface equation is derived- A new method is proposedfor removing hiddn line of tooth surface, cornpile an interactive graphic software package that hasbeen executed successfully in Apollo computer.
