**QC

**

QCQC

** QC QC QC QC QC QC

** QC

** 1938(Dr.Alex.F.Osborn)

**

**PASSPASS

** A30 B C D E

** A B C400 D E

** 1) 2) 3) 4) 5) 6) 7) 8) 9) 10)

** 44%

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**121.2.3.4.5.6.7.8.9.10.11.12.

**

** XX XX

** 1. 2. 3. 4.

**

A team is a small number of people with complementary skills who are committed to a common purpose, performance goals, and approach for which they hold themselves mutually accountable.

**1.2.3.4.5.

**=1.3

**(Technical) (Functional)

**

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**1.a.b.c.d.

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** 2(L)(S)

EX: NO.1 NO.2 NO.3 NO.4 NO.5 NO.6138 142 148 145 140 141139 140 141 138 138 139144 138 139 136 137 137131 127 138 137 137 133 140 130 136 128 138 132145 141 135 131 136 131 134 136 137 133 134 132135 134 132 134 121 129137 132 130 135 135 134136 131 131 139 136 135

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L=148 S=121

** 3(R)(L)(S)=(R) R=148-121=274nk k=1+3.31(logn)k

** n=60 k=1+3.31(log60)=1+3.31(1.78)=6.897

7

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** =121-h/2=119123 =123127 =127131 =131135 =135139 =139143 =143147 =147151

** 7()==(119+123)2=121 =(123+127)2=125 =(127+131)2=129 =(131+135)2=133 =(135+139)2=137 =(139+143)2=141 =(143+147)2=145 =(147+151)2=149

** 8.

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** (a)

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**

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log100=2, S=3.526

** 99.1 96.2 100.7 103.8 103.6 105.2 93.4 99.3 103.3 96.7 97.9 94.9 94.5 97.1 97.7 93.6 98.3 98.8 100.4 98.9 99.0 98.9 104.0 99.7 99.4 98.5 105.9 102.6 107.1 98.0105.0 95.2 101.6 102.7 105.8 99.7 98.4 102.0 98.9 102.3 95.7 97.5 95.4 98.9 99.9 100.1 99.0 106.6 94.8 97.8 92.3 104.3 96.2 98.0 102.3 101.4 102.6 101.8 95.9 96.7102.1 101.0 97.2 99.3 100.4 101.7 110.4 97.3 105.7 101.5100.2 102.5 102.6 98.1 97.2 103.3 96.4 95.3 102.1 101.9106.6 104.3 103.9 100.3 100.1 101.4 99.9 96.8 94.7 102.5101.3 101.9 110.6 96.9 103.7 99.1 97.5 99.5 98.7 98.6

**R=110.6-92.3=18.3; K=1+3.32Log100=7.64(=8)H=R/K=18.3/8=3; X=100.17; S=3.526 Pp= 16/6*S=0.756 ; Ppk=0.741 (0.772 )

** 1924Shewhart(Statistical Quality Control)

**

**

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**

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**Ca(Capacity of Accuracy)Ca = L1 /L2L1 = Xbar SLL2 = (USL LSL)/2Ca= Xbar-SL / (USL LSL)/2 =K

**Cp(Capacity of precision)Cp=USL-LSL/6=R/d2

**Cpk +Cpk = (USL Xbar ) / 3 ( Xbar - LSL ) / 3Cpk =(1 Ca )Cp=R/d2

**

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