Chapter 5 Control Charts for Variables Control Charts
Chapter 5 Control Charts for Variables �������� Control Charts for Variables 1
Introduction Control Charts for Variables 4
Control chart for x bar and R chart Control Charts for Variables 5
Subgroup Data with Unknown and Control Charts for Variables 7
Control Charts for Variables 8
Control Charts for Variables 10
Control Charts for Variables 11
Application of n and R Charts ������ out-of-control ��������� assignable causes n n n ��� assignable causes ������������������� ��� revise ������ trial control limits ������������ plot in control �������� trial control limits ������������ Control Charts for Variables 12
Revise control limit Control Charts for Variables 14
Revise control limit Control Charts for Variables 15
������ process capability n n n x bar ��� R chart ������������ ��� and x bar ��� R chart �������� performance of process(������� ) ��� capability process ������������ nonconforming ��������� Control Charts for Variables 16
������ process capability n ������ lower and upper natural tolerance limit UNTL = + 3 LNTL = - 3 Control Charts for Variables 17
��������� Sample Size �� Chart Control Charts for Variables 18
Control Charts for Variables 19
Control Charts for Variables 20
Control Charts for Variables 21
Control Charts for Variables 22
Control Charts for Variables 23
Control Charts for Variables 24
Control Charts for Variables 25
Control Charts for Variables 26
Control Charts for Variables 27
Control Charts for Variables 28
Control Charts for Variables 29
Control Charts for Variables 30
Control Charts for Variables 31
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