Abstract
Because the body manufacturing quality affects the quality of the vehicle, the control of manufacturing quality plays a decisive influence on the development of the auto industry. As an important factor of manufacturing quality, the research of variations is essential. In this paper, after analysising and comparing of the model used to control the variations of body, which is from traditional to existing, rigid to flexible, we got the optimization model which is based on the model of influence coefficient method. And making a bold speculation about the future research trends in this area, aim to provide useful reference for the future research.
Highlights
Since the birth of the automobile, great and profound changes have taken place in the world and human
The global automotive manufacturing enterprises are generally facing the problem that the quality of the car body manufacturing, which plays an important role in the impact is for China’s manufacturer, and to other countries
The competition of the automobile market is becoming more and more fierce, and the customer's requirements about quality are more stringent, so it is a major problem to improve the quality of the body manufacturing, and the key to improve the quality of the body is to control and reduce the body variations
Summary
Since the birth of the automobile, great and profound changes have taken place in the world and human. In 2005, Power J.D. investigated the user satisfaction of various parts of the car, which showed us the appearance of the vehicle is the 13%~24% of all the factors, and the car users in many countries are most concerned about the appearance of the car body[2] In this regard, the domestic and international academic and industrial circles have given a high degree of attention. As one of the four major parts of auto car, body plays an important role to the development of the auto industry, mainly reflected in three aspects: Vehicle production capacity is decided by the body's production capacity, the speed of the vehicle replacement is largely determined by the quality of body, the research of body engineering is currently the most active and the most rapid development in the automotive industry. As the manufacturing process of body is divided into four typical stages, just like trial production, production start, the production of a single shift and shift production, and different stages of production have different characteristics, so the effect of these four stages on the stability of manufacturing is different
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