测量系统分析(MSA)程序DATE : 19-Sep-2014
1 OBJECTIVE
目的
The objective of this procedure is to assist in determining the precision, major problems, amount of variation, and acceptability of measurement systems.
制定此程序，以帮助确定测量系统的准确度，重大问题，变差量及可接收性。
2 SCOPE
范围
This procedure is applicable to measurement systems ud in Aztech Communication Device (DG) Ltd.
此程序适用于Aztech Communication Device (DG) Ltd使用的测量系统。
3 DEFINITION
定义
3.1Measurement
测量
橘黄病Measurement is defined as “the assignment of numbers [or values] to material things to reprent the
relations among them with respect to particular properties.” The process of assigning the numbers is
defined as the measurement process, and the value assigned is defined as the measurement value.
测量的定义是 “对某具体事物赋予数字(或数值)，以表示它们对于特定特性之间的关系”。赋
予数字的过程被定义为测量过程，所分配的数值被定义为测量值。
3.2Gage
量具
Gage is any device ud to obtain measurements, frequently ud to refer specifically to the devices
ud on the shop floor, includes go/no-go devices.
量具是指任何用来获得测量的装置，通常指用于工厂现场的装置，包括go/no-go装置。
3.3Measurement System
测量系统
Measurement System is the collection of instruments or gages, standards, operations, methods,
fixtures, software, personnel, environment and assumptions ud to quantify a unit of measure of fix
asssment to the feature characteristic being measured; the complete process ud to obtain
measurements.
测量系统是指对测量单元进行量化或对被测特性进行评估时所使用的仪器或量具、标准、操
图书馆奇遇作、方法、夹具、软件、人员、环境及假设的集合；即用于获得测量结果的整个过程。
3.4Reference Value
参考值
•The accepted value of an artifact
某一物品的可接受数值
•Requires an operational definition
需要一个可操作的定义
•Ud as the surrogate for the true value
测量系统分析(MSA)程序DATE : 19-Sep-2014 被用来替代真值
3.5True Value
真值
•Actual value of an artifact
某一物品的真实数值
欧美好看的电影
•Unknown and unknowable
未知的且不可知的
3.6Accuracy
准确性
•“Cloness” to the true value, or to an accepted reference value
与真值或可接受参考值 “接近”的程度
3.7Bias
偏倚
•Difference between the obrved average of measurements and the reference value 观察到的测量平均值与参考值之间的差值
• A systematic error component of the measurement system
测量系统的系统误差
3.8Linearity
线性
•The change in bias over the normal operating range
有趣的小动物在量具正常工作量程内的偏倚变化
•The correlation of multiple and independent bias error over the operating range 多个独立偏倚误差在量具工作量程内的关系
反驳近义词• A systematic error component of the measurement system
测量系统的系统误差
3.9Stability
稳定性
•The change in bias over time
随时间而变化的偏倚值
• A stable measurement process is in statistical control with respect to location
一个稳定的测量过程在位置方面处于统计受控状态
•Alias: Drift
又将 “漂移”
3.10Repeatability
电力安全规程
重复性
•Variation in measurements obtained with one measuring instrument when ud veral times by an apprair while measuring the identical characteristic on the same part
测量系统分析(MSA)程序DATE : 19-Sep-2014
一个评价员使用一个测量仪器对同一零件的某一特性进行多次测量所得到的变差•The variation in successive (short term) trials under fixed and defined conditions of measurements
在固定和已定义的测量条件下连续(短期内)多次测量所得到的变差
•Commonly referred to as E.V. – Equipment Variation
通常被称为E.V. －设备变差
•Instrument (gage) capability or potential
仪器(量具)能力或潜能
•Within-system variation
系统内部变差
3.11Reproducibility
再现性
•Variation in the average of measurements made by different apprairs using the same gage when measuring a characteristic on one part
不同评价员使用相同的量具测量某一零件的某一特性时所得到的测量平均值的变差•For product and process qualification, error may be apprair, environment (time), or method
对产品和过程进行鉴定时，误差可能是评价员、环境(时间)或方法
•Commonly referred to as A.V. – Apprair Variation
通常被称为A.V. －评价员变差
•Between-system (conditions) variation
系统间(条件)变差
3.12GR&R
•Gage repeatability and reproducibility: the combined estimate of measurement system repeatability and reproducibility
量具的重复性和再现性：测量系统重复性和再现性的综合估计值
•Measurement system capability; depending on the method ud, may or may not include the effects of time
测量系统能力；取决于所用的方法，可能包括或不包括时间的影响
3.13Discrimination / Resolution
分辨力/分辨率
•Alias: smallest readable unit, measurement resolution, scale limit, or detection limit 又将：最小可读单位、测量解析度、最小刻度极限或检测极限
•An inherent property fixed by design
由设计所确定的固有特性
•Smallest scale unit of measure or output for an instrument
一个仪器测量或输出的最小刻度单位
•10 to 1 rule of thumb
10比1的比例规则
3.14Uncertainty
不确定度
测量系统分析(MSA)程序DATE : 19-Sep-2014 An estimated range of values about the measure value in which the true value is believed to be
contained
测量数值的估计范围，相信真值被包括在该范围内
4 APPLICABLE DOCUMENT
适用文件
4.1 Measurement System Analysis Reference Manual (AIAG) – 4th Edition
测量系统分析参考手册(AIAG)－第四版
4.2 QP-4.20-1 Statistical Techniques & Application
统计技术和应用
4.3 QP-4.11-1 Calibration and Maintenance of Equipment
仪器检测/保养程序
4.4 QP-4.9-4 Process Control Procedure
工序控制程序
4.5 QP-4.16-1/QE Records Control Procedure
记录控制程序
5 APPENDICES
附件
5.1 Appendix A - Measurement System Analysis (MSA) Work Flow
附录A – 测量系统分析(MSA)工作流程
5.2 Appendix B - Measurement System Study Flowchart Guideline
附录B – 测量系统研究流程指引
5.3 Appendix C - Gage Repeatability and Reproducibility Form
附录C －量具重复性与再现性表格
5.4 Appendix D - Stability Measurement – Control Chart Method
附录D －稳定性测量- 控制图法
5.5 Appendix E - Bias Measurement – Independent Sample Method Form
附录E －偏倚测量- 独立样本法
5.6 Appendix F - Linearity Measurement Form
眉目的意思是什么
附录F －线性测量表格
5.7 Appendix G - Attribute Measurement - Cross Tab Method Form
附录G －计数型测量- 交叉表法
5.8 Appendix H - Gage Repeatability and Reproducibility Form – ANOVA Method Form
附录H －量具重复性与再现性- 方差分析法(ANOVA)
测量系统分析(MSA)程序DATE : 19-Sep-2014
5.9 Appendix I - MSA Plan Template
附录I － MSA计划模板
5.10 Appendix J- Fish Bone Diagram Analysis Form
附录J －鱼骨分析图
5.11 Appendix k - Measurement Small Sample Method From
附录k －小样法量测
The following forms are available in Aztech Intranet Portal:
以下表格可从Aztech Intranet Portal 下载：
dgap/QMS/Forms/Forms/AllItems.aspx
5.12 Gage Repeatability and Reproducibility (Form # : 01-5 [QP-4.9-3])
量具重复性与再现性 (Form # : 01-5 [QP-4.9-3])
5.13 Stability - Control Chart Method (Form #: 02-1 [QP-4.9-3])
稳定性 - 控制图法 (Form #: 02-1 [QP-4.9-3])
5.14 Bias – Independent Sample Method (Form #: 03-1 [QP-4.9-3])
偏倚 - 独立样本法 (Form #: 03-1 [QP-4.9-3])
5.15 Linearity (Form #: 04-1 [QP-4.9-3])
白马篇赏析线性 (Form #: 04-1 [QP-4.9-3])
5.16 Attribute Measurement - Cross Tab Method Form (Form #: 05-1 [QP-4.9-3])
计数型测量- 交叉表法 (Form #: 05-1 [QP-4.9-3])
5.17 Gage Repeatability and Reproducibility – ANOVA Method (Form #: 06-1 [QP-4.9-3])
量具重复性与再现性- 方差分析法(ANOVA) (Form #: 06-1 [QP-4.9-3])
5.18 MSA Plan Template (Rev 01)
MSA计划模板 (Rev 01)
5.19 Fish Bone Diagram Analysis Form (Form # : 07-0 (QP-4.9-3))
鱼骨分析图(Form # : 07-0 (QP-4.9-3))
5.20 小样法量测Form #: 08-0 (QP-4.9-3)
6 RESPONSIBILITIES
职责
6.1NPI Team (New Product Introduction Team)
NPI小组 (新产品导入小组)
6.1.1Bad on results obtained from PFMEA and Control Plan, determine the euqipment that
requires MSA study.
根据PFMEA和Control Plan的结果确定需执行MSA的设备。
6.1.2Develop the MSA Plan. Review this plan whenever there is change to the manufacturing
process or measurement systems or receiving customer feedback (including internal
