The Piston Products Quality Cost Control Study

The quality cost management is paid more attention by people day by day with theeconomic development and the process of society. But there are more and moreenterpirses，which require to launch managing and studying to quality cost rfom higherlevel and wider range. So the traditional quality cost concept have already manifested itsweak point gradually as the progress of the quality management theory.So it is necessary to comply with the request for develop of era, proceed fromsystematic angle, use vairous kinds of knowledge to analyze synthetically the impactwhich vairous kinds of factors in the production and management to the quality ofproduct，control the expenditure which rfom in each link and stage of product qualityforming, thus reach the best economic benefits.This paper is just because of that, on the base of tradition quality cost，combine’economy and societys realistic development and request, analyze and summarize thebasic conception of the total quality cost, and according to the characteirstics and theform of the products, divide the total quality cost into: quality design cost, quality entitycost, quality management cost, quality service cost，indirect quality cost and thedevelopment of the culture of the total quality cost. And put forward its method ofbusiness accounting or calculates according to the characteirstic of every quality cost.This paper regards quality degree as the standard，proposes that the total qualitycost control model and also makes a demonstration research of the model. Lastly, thepaper birng up a new concept of Cirtical Cost of Quality(Critical COQ)and Un-CriticalCost of Quality (Un-Cirtical COQ).Having made helpful exploration in further investigate the critical quality cost andits controlling model， haves certain directive significance in improving thedependability and economy that enterpirses producing the products.