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本文研究了M公司对某型号手机外框表面进行真空镀膜,该产品交付客户后出现黑点或黑点群的严重质量问题。在找出该问题的质量关键特性基础上,利用稳健性参数设计,采用的部分因子设计作为控制表以及的噪声表组成的乘积表进行试验找到了影响本问题中产品喷漆厚度的散度因子和调节因子,并找出各参数的优化值并进行验证,从而成功改进该质量问题。
This article studies the company M vacuum coating the surface of a cell phone model, the product delivery to customers after the black spot or black spot serious quality problems. On the basis of finding out the key quality characteristics of the problem, we use the partial factorial design of the robust parameter design as the control table and the product of the noise table to find the product of the spread factor and Adjust the factor, and find out the optimization value of each parameter and verify, so as to successfully improve the quality problem.