SPSS软件在管坯生产返工控制中的应用

APPLICATION OF SPSS USED IN REWORK CONTROL PROCESS OF ZIRCONIUM BILLET PRODUCTION

研究基于SPSS分析指导的管坯生产返工控制。采用统计学分析的思想,在对管坯生产返工原因进行详细分析的基础上,以某生产单位近两年同种规格管坯为对象进行实际的统计和分析,结果表明,酸洗和内磨是众多工序中最容易发现缺陷的工序,通过对返工原因的调查分析,给出管坯生产返工的控制。

The rework control of tube blank production based on SPSS analysis is studied. Based on the idea of statistical analysis, based on the detailed analysis of the reasons for the rework of tube blank production, the actual statistics and analysis of the tube blank of the same specification in a production unit for nearly two years, the results show that pickling and internal grinding It is the process that is the easiest to find defects in many processes. Through the investigation and analysis of the reasons for rework, the control of remanufacturing of tube blank production is given.