SPC-抽样教程(ppt 79页)

主要内容
Learning Objectives
Process Control Model for Quality Control
Two Basic Causes of Variability
Objectives of SPC Charts
Process Control制程控制
Process Capability制程能力
Control Limits vs Spec. Limits
Spec. Limits has No Business in Control Charts!
Shewhart Control Charts - Overview
Central Limit Theorem and Normal Distribution
Construction of X-R Charts
Implementing the Control Chart
Indicators of Instability制程不稳定判断
MiniTab’s Tests for Instability
Warning Limits警告线
X-S Charts
Shewhart Constants
Attributes Control Charts属性控制图
p Chart
p Chart - Average Sample Size
np Chart
c Chart
u Chart
Control Charts – Sampling Risks
Average Run Length (ARL)
Where to Use SPC Charts
Reading Reference

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