PART NAME : Excess Fuel Piston INSTRUMENT : Mitutoya Micrometer L.COUNT : 0.005 DATE: 25/12/2007

PART NO. : 9101-244B SPECIFIC : MACHINE : Centreless Grinder

SAMPLE SIZE : 50 Nos. OPERATION : TURNED COMPONENT VERNIER CALIPER NO ;

DATA COLLECTION: -

SNO. 1 2 3 4 5 6 7 8 9 10 U.T.L. 5.990 SAMPLE D2 A2 D4

1 5.985 5.986 5.987 5.986 5.985 5.986 5.985 5.985 5.986 5.985 1 1.123 2.560 3.270

2 5.985 5.984 5.984 5.984 5.985 5.985 5.985 5.984 5.985 5.985 2 1.128 1.880 3.270

3 5.985 5.985 5.987 5.985 5.984 5.985 5.984 5.987 5.987 5.984 L.T.L. 5.980 3 1.693 1.020 2.570

4 5.986 5.986 5.985 5.987 5.986 5.985 5.986 5.986 5.985 5.986 4 2.059 0.730 2.230

5 5.986 5.986 5.987 5.986 5.986 5.986 5.986 5.986 5.986 5.986 5 2.326 0.590 2.110

5.9860 5.9860 5.9870 5.9870 5.9860 5.9860 5.9860 5.9870 5.9870 5.9860 Xmax. = 5.9870 NO.OF NON CONFORMING PART = 0 NOS.

5.9850 5.9840 5.9840 5.9840 5.9840 5.9850 5.9840 5.9840 5.9850 5.9840 Xmin. = 5.9840

RANGE 0.0010 0.0020 0.0030 0.0030 0.0020 0.0010 0.0020 0.0030 0.0020 0.0020 R - BAR = 0.00210 NO. OF PARTS ABOVE U.T.L. = 0 NOS.

AVG. 5.9854 5.9854 5.9860 5.9856 5.9852 5.9854 5.9852 5.9856 5.9858 5.9852 X - BAR = 5.9855 NO. OF PARTS BELOW L.T.L. = 0 NOS.

Process Width ( P ) = 0.0030 Specification Width(S) = 0.010000 Index (K)={2 x (D-XBAR)/S} = 0.1000 INTERVAL FREQ. CU. FREQ.

Design Centre ( D ) = 5.9850 Interval = 0.000600 Selecting no. of classes = 5 5.9822 5.9828 0 0

Starting Point = 5.9840 No. of readings = 50 Shift Of 'X-BAR' from 'D' = 0.000500 5.9828 5.9834 0 0

5.9834 5.9840 7 7

5.9840 5.9846 0 7

5.9846 5.9852 18 25

5.9852 5.9858 0 25

5.9858 5.9864 19 44

5.9864 5.9870 6 50

5.9870 5.9876 0 50

5.9876 5.9882 0 50

5.9882 5.9888 0 50

5.9888 5.9894 0 50

5.986739

5.984261

=M15*R11

0

0.00089

1.88080

CONCLUSION : - PROCESS IS EXCELLENTCpk={1-K}xCp) = 1.69280

OWNER CHECKED BY APPROVED BY

Mr. Kampta Prasad Mr. Anish Bagga

STATISTICAL PROCESS CONTROL STUDY (Centreless Grinder)

5.985 + 0.005

XLARGE

XSMALL

U.C.L.XBAR =

L.C.L.XBAR =

U.C.L.RBAR =

L.C.L.RBAR =

Std.Dev."s" =

Cp=(S/6s) =6 6 6 6 6 6 6 6 6 6 6 66 6 6 6 6 6 6 6 6 6 6 6

0

2

4

6

8

10

12

14

16

18

20

0 0

7

0

18

0

19

6

0 0 0 0

HISTOGRAM

1 2 3 4 5 6 7 8 9 10

0.00

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

0.09

0.10R- CHART

RANGE

1 2 3 4 5 6 7 8 9 10

5.983

5.9835

5.984

5.9845

5.985

5.9855

5.986

5.9865

5.987 X-CHART

AVG.

PART NAME : Spacer Washer INSTRUMENT : Mitutoya Vernier L.COUNT : 0.01 DATE: 8/10/2007

PART NO. : 9101-183 SPECIFIC : MACHINE : Automate

SAMPLE SIZE : 50 Nos. OPERATION : TURNED COMPONENT VERNIER CALIPER NO ;

DATA COLLECTION: -

SNO. 1 2 3 4 5 6 7 8 9 10 U.T.L. 2.21 SAMPLE D2 A2 D4

1 2.160 2.180 2.170 2.160 2.160 2.180 2.170 2.160 2.160 2.160 1 1.123 2.560 3.270

2 2.180 2.170 2.170 2.180 2.180 2.170 2.170 2.180 2.180 2.180 2 1.128 1.880 3.270

3 2.170 2.170 2.180 2.160 2.170 2.170 2.180 2.160 2.160 2.160 L.T.L. 2.14 3 1.693 1.020 2.570

4 2.190 2.170 2.180 2.170 2.190 2.170 2.180 2.170 2.170 2.170 4 2.059 0.730 2.230

5 2.180 2.170 2.190 2.190 2.180 2.170 2.190 2.190 2.190 2.190 5 2.326 0.590 2.110

2.1900 2.1800 2.1900 2.1900 2.1900 2.1800 2.1900 2.1900 2.1900 2.1900 Xmax. = 2.1900 NO.OF NON CONFORMING PART = 0 NOS.

2.1600 2.1700 2.1700 2.1600 2.1600 2.1700 2.1700 2.1600 2.1600 2.1600 Xmin. = 2.1600

RANGE 0.0300 0.0100 0.0200 0.0300 0.0300 0.0100 0.0200 0.0300 0.0300 0.0300 R - BAR = 0.02400 NO. OF PARTS ABOVE U.T.L. = 0 NOS.

AVG. 2.1760 2.1720 2.1780 2.1720 2.1760 2.1720 2.1780 2.1720 2.1720 2.1720 X - BAR = 2.1740 NO. OF PARTS BELOW L.T.L. = 0 NOS.

Process Width ( P ) = 0.0300 Specification Width(S) = 0.070000 Index (K)={2 x (D-XBAR)/S} = 0.0286 INTERVAL FREQ. CU. FREQ.

Design Centre ( D ) = 2.1750 Interval = 0.006000 Selecting no. of classes = 5 2.1420 2.1480 0 0

Starting Point = 2.1600 No. of readings = 50 Shift Of 'X-BAR' from 'D' = 0.001000 2.1480 2.1540 0 0

2.1540 2.1600 10 10

2.1600 2.1660 0 10

2.1660 2.1720 18 28

2.1720 2.1780 0 28

2.1780 2.1840 14 42

2.1840 2.1900 8 50

2.1900 2.1960 0 50

2.1960 2.2020 0 50

2.2020 2.2080 0 50

2.2080 2.2140 0 50

2.18816

2.159840

=M15*R11

0

0.00990

1.17880

CONCLUSION : - PROCESS IS GOOD BUT STILL IMPROVEMENT IS REQUIREDCpk={1-K}xCp) = 1.14510

OWNER CHECKED BY APPROVED BY

MS REKHA PATIL MR SHYAM MAGAR

STATISTICAL PROCESS CONTROL STUDY (POWDER COATING)

2.175 + 0.035

XLARGE

XSMALL

U.C.L.XBAR =

L.C.L.XBAR =

U.C.L.RBAR =

L.C.L.RBAR =

Std.Dev."s" =

Cp=(S/6s) =2 2 2 2 2 2 2 2 2 2 2 22 2 2 2 2 2 2 2 2 2 2 2

0

2

4

6

8

10

12

14

16

18

20

0 0

10

0

18

0

14

8

0 0 0 0

HISTOGRAM

1 2 3 4 5 6 7 8 9 10

0.00

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

0.09

0.10R- CHART

RANGE

1 2 3 4 5 6 7 8 9 10

2.145

2.15

2.155

2.16

2.165

2.17

2.175

2.18

2.185

2.19

2.195 X-CHART

AVG.