QUALITY SYSTEMS PROCEDUREStatistical Process Control 统计过程控制REFERENCES:(a) SPC User's Guide (b)STA-200 X(bar)-R(c)STA-300 Capability Studies1
0PURPOSE( 目的 ) To define the Statistical Process Control applications for our production inspect process
为了法律规范生产检验过程的SPC的控制
0SCOPE (范围) This procedure is applied to all the production part and process need to SPC control
本文件适用于公司内有SPC监控要求的所有产品及工艺
0 FUNCTIONS AFFECTED(涉及部门)Quality(质量部)Production (生产)Project (项目)Design (设计)Engineering (工程)Quality System (质量系统)4
0DEFINITIONS (定义) 4
1 The primary determinate in control chart selection is Data Type
选择控制图最基本的决定条件是数据类型
1 Continuous data: the data from testing, for example: label dimensions
计量型数据: 通过测量得到的数据,如标签尺寸
2 Attribute data: the data from counting, the attribute data have two outcome