A Study Of The Parametric Design As Well As The System Frame Of Body Panel Surface

Now the parameter design is one of CAD technology development directions, it not only makes the CAD system have the alternately cartography function, but also can realize the cartography automation. Using the parameter design can reduce personnel's working strength, enhancement design speed and reduced system resources taking.Now in domestic and foreign country mostly uses the triangle method, to complex components establishment this method are time-consuming, the data process load is big, the system resources takes many. But using the characteristic data to the automobile body cover to automatically establishing the mathematical model, It is a innovation of the CAD system in domestic and foreign country. In view of the fact that the CAD technology development special-purpose software using in automobile body still to be the blank in our country, caused the enterprise facing the intense competition of market and the society in the situation which grew day by day to the automobile product demand, the aberration variety are many and so on the pressure, seriously has affected the independent brand product renewal, has restricted the automobile industry development. Therefore the urgent need is to develop one kind special-purpose of the automobile cover CAD system. Based on the body design theory and the method, based on the characteristic parameter design, make the CAD system regardless of in not only has the interactive cartography function or in the reversion design, moreover may automatically establish the three dimensional mathematical model; Enhances the working efficiency, reduces the system resources taking. Uses the parameter to describe the automobile body cover shape, the size, may change the parameter to revise the design.This topic is the fund project of Jilin Province science and technology, the goal is to establish the automobile body parameter model, when design only gain...