Doc No:KCSL/QA/FM/11
KCSL STATISTICAL PROCESS CONTROL STUDY Rev No/Dt:00
Issue Dt:01.07.2016
PART NAME : Body No-1 booster INSTRUMENT : DFT Thickness meter L.COUNT : 0.1 Micron
PART NO. : 15640 SPECIFIC : 15-25 micron MACHINE : DATE: 21.09.2018
SAMPLE SIZE : 5 OPERATION : D.F.T Measuring NO.OF DECIMALS: 1 Customer Name Advics north india
DATA COLLECTION: -
SNO. 1 2 3 4 5 6 7 8 9 10 U.T.L. 25.0000 SAMPLE d2 A2 D4
1 22.4 23.3 21.6 22.9 22.6 21.3 22.6 22.6 22.4 22.8 1 1.123 2.560 3.270
2 22.3 22.7 23.1 22.4 22.1 22.7 21.8 22.5 21.3 22.8 2 1.128 1.880 3.270
3 22.4 22.3 22.9 22.6 23.3 22.5 22.9 22.9 23.1 21.7 L.T.L. 15.0000 3 1.693 1.020 2.570
4 22.9 22.8 22.7 21.7 22.2 22.9 22.5 22.7 22.9 22.9 4 2.059 0.730 2.230
5 22.6 22.9 22.8 22.3 22.9 22.7 22.7 22.6 22.5 22.5 5 2.326 0.590 2.110
CALCULATIONS FOR HISTOGRAM : -
XLARGE 22.9000 23.3000 23.1000 22.9000 23.3000 22.9000 22.9000 22.9000 23.1000 22.9000 Xmax. = 23.3000 NO.OF NON CONFORMING PART = 0 NOS.
XSMALL 22.3000 22.3000 21.6000 21.7000 22.1000 21.3000 21.8000 22.5000 21.3000 21.7000 Xmin. = 21.3000
RANGE 0.6000 1.0000 1.5000 1.2000 1.2000 1.6000 1.1000 0.4000 1.8000 1.2000 R - BAR = 1.16000 NO. OF PARTS ABOVE U.T.L. = 0 NOS.
AVG. 22.5200 22.8000 22.6200 22.3800 22.6200 22.4200 22.5000 22.6600 22.4400 22.5400 X - BAR = 22.5500 NO. OF PARTS BELOW L.T.L. = 0 NOS.
Process Width ( P ) = 2.0000 Specification Width(S) = 10.000000 Index (K)={2 x (D-XBAR)/S} = 0.5100 INTERVAL FREQ. CU. FREQ.
Design Centre ( D ) = 20.0000 Interval = 0.400000 Selecting no. of classes = 5 20.1000 20.5000 0 0
Starting Point = 21.3000 No. of readings = 50 Shift Of 'X-BAR' from 'D' = 2.550000 20.5000 20.9000 0 0
X-CHART 20.9000 21.3000 2 2
HISTOGRAM A
V
30 G
.
21.3000 21.7000 3 5
23.5000
21.7000 22.1000 2 7
26 23.0000
22.1000 22.5000 13 20
25 22.5000
22.5000 22.9000 26 46
22.0000
22.9000 23.3000 4 50
21.5000
20 23.3000 23.7000 0 50
21.0000
1 2 3 4 5 6 7 8 9 10
23.7000 24.1000 0 50
R- CHART
24.1000 24.5000 0 50
15 R
13 A
N
24.5000 24.9000 0 50
G
3 E U.C.L.XBAR = 23.2
10
2.5
L.C.L.XBAR = 21.9
2
U.C.L.RBAR = 2.45
1.5
L.C.L.RBAR = 0
5 4
3
1
Std.Dev."s" = 0.45
2 2 0.5 ZUTL = 1.81
0
0 ZLTL= 5.57
0
20.5000 0
20.9000 21.3000 21.7000 22.1000 22.5000 22.9000 23.3000 0
23.7000 0
24.1000 0
24.5000 0
24.9000
1 2 3 4 5 6 7 8 9 10
20.1000 20.5000 20.9000 21.3000 21.7000 22.1000 22.5000 22.9000 23.3000 23.7000 24.1000 24.5000 Cp=(S/6s) = 3.69
Cpk={1-K}xPp) = 1.81
CONCLUSION : - PROCESS IS EXCELLENT
Prepared By: Approved By:
Doc No:KCSL/QA/FM/11
KCSL STATISTICAL PROCESS CONTROL STUDY Rev No/Dt:00
Issue Dt:01.07.2016
PART NAME : Rico Panel INSTRUMENT : DFT Thickness meter L.COUNT : 0.1 Micron
PART NO. : SPECIFIC : Min.15 micron MACHINE : DATE: 13.10.2018
SAMPLE SIZE : 5 OPERATION : D.F.T Measuring NO.OF DECIMALS: 1 Customer Name Rico Auto
DATA COLLECTION: -
SNO. 1 2 3 4 5 6 7 8 9 10 U.T.L. 30.0000 SAMPLE d2 A2 D4
1 26.1 28.2 29.4 29.7 27.7 27.3 26.9 29.8 26.6 26.5 1 1.123 2.560 3.270
2 27.2 27.4 28.7 28.6 29 27.4 28.9 29 27.2 25.8 2 1.128 1.880 3.270
3 25.1 28.1 30 29.5 26.4 27.2 26.3 28.4 27.8 27.4 L.T.L. 15.0000 3 1.693 1.020 2.570
4 26.2 30 29.2 29.9 29.4 27.5 27 27.8 26.1 27.6 4 2.059 0.730 2.230
5 26.4 28.2 28.6 28.8 27.5 27 26.6 27.5 28 26.5 5 2.326 0.590 2.110
CALCULATIONS FOR HISTOGRAM : -
XLARGE 27.2000 30.0000 30.0000 29.9000 29.4000 27.5000 28.9000 29.8000 28.0000 27.6000 Xmax. = 30.0000 NO.OF NON CONFORMING PART = 0 NOS.
XSMALL 25.1000 27.4000 28.6000 28.6000 26.4000 27.0000 26.3000 27.5000 26.1000 25.8000 Xmin. = 25.1000
RANGE 2.1000 2.6000 1.4000 1.3000 3.0000 0.5000 2.6000 2.3000 1.9000 1.8000 R - BAR = 1.95000 NO. OF PARTS ABOVE U.T.L. = 0 NOS.
AVG. 26.2000 28.3800 29.1800 29.3000 28.0000 27.2800 27.1400 28.5000 27.1400 26.7600 X - BAR = 27.7880 NO. OF PARTS BELOW L.T.L. = 0 NOS.
Process Width ( P ) = 4.9000 Specification Width(S) = 15.000000 Index (K)={2 x (D-XBAR)/S} = 0.7051 INTERVAL FREQ. CU. FREQ.
Design Centre ( D ) = 22.5000 Interval = 0.980000 Selecting no. of classes = 5 22.1600 23.1400 0 0
Starting Point = 25.1000 No. of readings = 50 Shift Of 'X-BAR' from 'D' = 5.288000 23.1400 24.1200 0 0
X-CHART 24.1200 25.1000 1 1
HISTOGRAM A
V
40.0000
G
.
25.1000 26.0800 1 2
23.5000
26.0800 27.0600 13 15
23.0000
35.0000 27.0600 28.0400 15 30
32.9400 22.5000
31.9600
30.9800 28.0400 29.0200 11 41
30.0000 22.0000
30.0000 29.0200
28.0400 29.0200 30.0000 9 50
27.0600
26.0800 21.5000
25.1000 30.0000 30.9800 0 50
25.0000 24.1200
23.1400 21.0000
30.9800 31.9600 0 50
22.1600 1 2 3 4 5 6 7 8 9 10
R- CHART
31.9600 32.9400 0 50
20.0000 R
A
N
32.9400 33.9200 0 50
G
15.0000 3 E U.C.L.XBAR = 28.9
2.5 L.C.L.XBAR = 26.6
10.0000 2 U.C.L.RBAR = 4.11
1.5 L.C.L.RBAR = 0
5.0000
1 Std.Dev."s" = 1.24
0.5 ZUTL = 0.59
0.0000
1 2 3 4 5 6 7 8 9 10 11 12 0 ZLTL= 3.42
1 2 3 4 5 6 7 8 9 10
Cp=(S/6s) = 2.01
Cpk={1-K}xPp) = 0.59
CONCLUSION : - PROCESS NEEDS CORRECTION ,Cp & Cpk SHOULD BE >=1.33
Prepared By: Approved By:
