Statistical quality control ( sqc ) refers to the use of statistical methods of production monitoring and parts inspection , wherein statistical data are collected , analyzed , and interpreted to solve quality problems 为了经济地制造出符合消费者要求之品质产品或服务,其方法体系称之。此项产品品质的达成是在产品已完成生产,各种生产资源已投入之后,可称为是种生产后的品管。
3 . the limitation is analyzed of 30 - criterion in traditional statistical quality control , the concept of 6 a criterion in modern quality control is introduced , and the definitions are developed of more comprehensive manufacturing ability and manufacturing ability index 分析了传统的统计质量控制中3质量水平存在的不足,引入了现代质量控制中的6原则的概念,定义了意义更广的加工能力及加工能力指数的含义。
In the paper , we expound the total structure design of the measuring instrument , the choose of optics principium , the special optical system which consist of f lens , the design of servo control systemic , and the software and hardware design of light - to - current inversion and control of the servo , and the design of sqc statistical quality control and supervisory system . at last , the accurate of laser beam on - line measuring instrument has been analyzed 本论文完成了检测仪的总体方案设计,仪器工作原理的选择,由f透镜构成的特殊光学系统的确定,伺服机构和伺服控制系统的设计,光电变换及通讯系统的软、硬件设计, sqc统计质量控制与管理系统的设计,最后对激光在线扫描检测系统的精度进行了综合分析。
Therefore , based on the key project ? esearch on some basic problems on quality control and source tracing in modern manufacture ? ( no . 59735120 ) sponsored by national natural science foundation , a deep research is made in this dissertation its branch subject ? the theory and technology of zero - waste control . the main work and achievements are as follows : 1 . on the basis of the introduction of common quality control methods , some key problems about statistical quality control are elaborately discussed ; a method to decide the quality control line is developed ; a mathematical model based on the sampling plan of multi - variation of product quality is set up ; the process manufacturing condition of quality control chart is discriminated using the theory of fuzzy diagnosis 为此,本文基于国家自然科学基金重点资助项目“现代制造质量控制、溯源若干基础问题的研究” (项目编号: 59375254 ) ,重点对其中的子课题? ?零废品控制理论和技术进行了深入的研究。论文的主要工作和取得的成果如下: 1在介绍了常用质量控制方法的基础上,对统计质量控制的几个关键问题进行了详尽的讨论,提出了质量控制界限的确定方法,建立了基于产品质量多变异的抽样方案的数学模型,利用模糊识别理论对质量控制图工序加工状况进行了判别。