susira
DESCRIPTION
Information about QC Story bookTRANSCRIPT
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1QC Story-1
On Behalf of Susira Industries Ltd.,
Chennai.
We Welcome the Delegates
for the QCI DL SHAHNATIONAL AWARDS
ONECONOMICS OF QUALITY
QC STORY -32 QC Story-1 FACTORY OVERVIEW
2
QC STORY -32
SUSIRA INDUSTRIES LTD
QC Story-1 Shop Floor view QC STORY -32
QC Story-1VISION
To be the number one manufacturer of quality engine valve push rods in the country and to become one among the top five by volumes in the international market.
To expand the product portfolio by manufacturing other precision auto components/aggregates for national and international customers and increase the revenue four fold by 2015.
To explore new frontiers of technology to meet the new and emerging market requirements.
In the process, build a company deeply rooted in values and beyond profits; a culture of Quality, respect for the individual and an environment of dependability and social responsibility in short a company built to last.
4
QC STORY -32
SUSIRA INDUSTRIES LTD
QC Story-1
5
QC STORY -32
SUSIRA INDUSTRIES LTD
!"
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QC Story-1
6
QC STORY -32
SUSIRA INDUSTRIES LTD
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2QC Story-1
7
QC STORY -32
SUSIRA INDUSTRIES LTD
Indias 1st SME to win 16 National awards for Quality and BusinessExcellence Rajiv Gandhi National Quality Award for the year 1993 ACMA Quality Award 1994, 1998, 2000 Golden Peacock National Award for total Quality - 1995 NIQR-Bajaj Outstanding Quality Man of the year - 1994 ACMA Gold trophy for Export Excellence - 2005 MMA Award for Managerial Excellence 2005 ACMA Certificate of Merit for Excellence in Technology 2007-08- CII Exim Bank Business Excellence award Significant achievement commendation for the year 2007-08- MSME award for Outstanding Entrepreneur for the year 2007-08- ACMA award for Excellence in Quality and Productivity for the year 2008-09- Also won the 5S par excellent performance award (5 star performance award) from QCFI- Won the best QC story presentation by QCFI- Our team won the Outstanding and Excellent award in the 1st Poka yoke competition conducted by QCFI- Our MD, Mr. Seetharamaiah was awarded the Life Time Achievement award from Ambattur Industrial Estate Manufacturers' Association in the year 2010
Awards and Recognitions QC Story-1
8
QC STORY -32
SUSIRA INDUSTRIES LTD
-, ". &'
%/001.//2
3/000.//4
%.200.1001
.5/2/1002 %6".400.
1005
-"7+"+1005
CertificationsQC Story-1
Customers - Domestic
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QC STORY -32
SUSIRA INDUSTRIES LTD
QC Story-1
Customers - International
Cummins Inc. (USA, UK, Brazil, China & Mexico) Scania, Sweden
SAME Deutz-Fahr Group S.P.A., Italy
Iveco, Italy
John Deere, USA
QC STORY -32
SUSIRA INDUSTRIES LTD10
QC Story-1
11
Customers - Prospective
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SUSIRA INDUSTRIES LTD 11
QC Story-1 ProductsValve seat InsertsPush rod
Tappets Piston Cooling Nozzle
12
QC STORY -32
SUSIRA INDUSTRIES LTD
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3QC Story-1
SUSIRA INDUSTRIES LTD
Presentation on
Reduction in Manufacturing costachieved in Induction Hardening operation through break through machine design Improvement.
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
INTRODUCTION
SGA Name : PASSION
Work Area : Induction Hardening
Members : G.Ganesan Metallurgy
R.Sivanesaselvan - Maintenance
P.Dillibabu - Production
P.V.Ganesan - Production
Meeting Schedule : Every Monday 2.00pm
Facilitator : B. Monikandan
QC STORY -32 QC Story-1
PLAN
DOCHECK
ACT
1
4
3
2
Methodology
SUSIRA INDUSTRIES LTD
QC STORY -32
QC Story-1
SGA-QA-26
SUSIRA INDUSTRIES LTD
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
1. Cup Offset
2. Quenching Crack
3. Control Length Under size
4. Low productivity in Induction Hardening
5. Ball Flat Over Size
List of Problems Identified
PLAN
Tool : BRAINSTORMING
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
List of Problems Identified - Contd
PLAN
Tool : BRAINSTORMING
6. Total Run out high in Cummins push rod
7. Cup ID Black spot
8. Cup ID pit marks
9. Low Hardness
10. Total Length Under size
QC STORY -32
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4QC Story-1
SUSIRA INDUSTRIES LTD
11. Gap between Ball and Cup
12. Cup OD Tool Mark
13. Low Weld Strength
14. Less yield in 961 Push Rod
15. Induction Hardening Cost High
16. Induction Hardening Through Put time high
PLAN
Tool : BRAINSTORMINGList of Problems Identified - ContdQC STORY -32 QC Story-1
CATEGORISATION OF PROBLEMS
Category DescriptionA Minimum involvement of other
departments in solving themB Involvement of other department is
necessary C Management approval and support
needed
PLAN
SUSIRA INDUSTRIES LTD
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
PLAN
Categorization of problemsA Category Problems
1. Cup Offset
2. Quenching Crack
3. Control Length Under size
4. Ball Flat Over Size
5. Total Run out high in Assembled
Push Rod
6. Cup ID Black Spot
7. Cup ID Pit marks
8. Low Hardness
9. Total Length U/s
10. Cup OD Tool Mark
11. Gap between Cup and Ball
12. Low Weld Strength
QC STORY -32
QC Story-1
SUSIRA INDUSTRIES LTD
PLAN
Categorization of problemsB Category Problems
1. Low productivity in Induction
Hardening.
2. Less Yield in 961 Push rod
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
PLAN
Categorization of problemsC Category Problems
1. Induction hardening Through put
time high
2. Induction Hardening Cost High
QC STORY -32 QC Story-1GUIDE LINES FOR RANKING
Effect on customer Effect on productivity Effect on Cost Effect on delivery
Note: Higher the severity lower the rank
SUSIRA INDUSTRIES LTD
QC STORY -32
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5QC Story-1
RANKING METHODLOGY
Score - 1 Very High Severity
Score - 2 High Severity
Score - 3 Medium Severity
Score- 4 Low Severity
SUSIRA INDUSTRIES LTD
QC STORY -32 QC Story-1
Effect at Customer
Effect of Productivit
y
Effect of Cost
Effect of Delay in delivery
Total Score Ranking
1 Cup Offset 1.0 1.0 2.0 1.0 5.0 2.0
2 Quanch Crack 1.0 2.0 3.0 3.0 9.0 6.0
3 C/L U/s 1.0 3.0 2.0 2.0 8.0 5.0
4 Low Productivity in Induction Hardening 1.0 1.0 1.0 1.0 4.0 1.0
5 Ball Flat O/S 1.0 3.0 3.0 3.0 10.0 7.0
6 Total Run out high in Cummins push rod ( 100%) 1.0 2.0 1.0 2.0 6.0 3.0
7 Cup Id Black spot 3.0 3.0 3.0 4.0 13.0 8.0
8 Cup ID pit marks 3.0 4.0 4.0 4.0 15.0 10.0
9 Low Hardness 1.0 3.0 3.0 3.0 10.0 5.0
10 Total Length U/s 1.0 3.0 2.0 2.0 8.0 4.0
11 Gap Between Cup & Ball 1.0 2.0 2.0 2.0 7.0 4.0
12 Cup OD Tool Mark 1.0 1.0 2.0 3.0 7.0 4.0
13 Low weld strength 1.0 2.0 3.0 3.0 9.0 4.0
LIST OF QUALITY PROBLEMS
SL# DEFECT
RANKING
Selection of problem through ranking
SUSIRA INDUSTRIES LTD
QC STORY -32 QC Story-1Top 3 Problems
!"#$
SUSIRA INDUSTRIES LTD
QC STORY -32
QC Story-1
Define the selected problem
1) Low Productivity in Induction Hardening Operation
SUSIRA INDUSTRIES LTD
QC STORY -32 QC Story-1Present method of Induction Hardening
Vertical Scanner single end Induction HardeningSUSIRA INDUSTRIES LTD
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
To Increase Productivity in Induction Hardening Operation.
THEME QC STORY -32
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6QC Story-1 MILE STONE CHARTTo increase Productivity in I/H Machine
SGA-QA-32
Monday
Oct 6-11
Oct 13-18
Oct 20-25
Oct 27-31
Nov 3-8
Nov 10-15
Nov 17-22
Nov 24-29
Dec 1-6
Dec 8-13
Dec 15-20
P
A
P
A
P
A
P
A
P
A
P
A
P
A
p
A
P
A
P
A
P
A
CHECK
8
10
Cause-effect analysis
DO
6
7
PLAN
Root cause analysis
Data analysis on the Root cause
Identification of Problem(which are unsolved)
SL# STEPS
Planned Date of
CompletionNo of
Projects
Follow up/Review and recurrence prevention
11
Trial implementation & checking performance
9
Regular implementatio
Development of solution
Manufaturing Cost Increase
31.12.08
25
Selection of problem
Definition of the problem
Analysis of problem
Project on
Project No
Meeting Day
Reason for Selection
Started on
Time
ACT
06.10.08
2.0 - 3.0 PM
1
2
3
4
5
WEEK year -2008PDCA
QC STORY -32 QC Story-1
Process Flow DiagramIncoming material inspection
Bar shearing and Cup end Forging
Ball end Forging
CNC Machining
Induction Hardening
Tempering
Inspection & Packing
SUSIRA INDUSTRIES LTD
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
Current situation
6972 71
3128 29
0
10
20
30
40
50
60
70
80
July'08 Aug'08 Sep'08
Month
%
o
f
P
r
o
d
u
c
t
i
o
n
Subcontract Production
In-house Production
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QC Story-1
SUSIRA INDUSTRIES LTD
Current situation
3.9 4.0 3.8
3.2
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
Jun'08 July'08 Aug'08 Sep'08
Month
V
a
l
u
e
i
n
L
a
k
h
In-house Production
QC STORY -32 QC Story-1
ANALYSIS OF PROBLEMThrough 4W & 1H
WHAT - Low Productivity in I/H
WHEN - Induction Hardening Operation
WHERE - Induction Hardening Machine
WHO - Passion Team
HOW - By Systematic Analysis & causes
SUSIRA INDUSTRIES LTD
QC STORY -32 Analysis QC Story-1
SUSIRA INDUSTRIES LTD
BRAINSTROMING POINTS
PLAN
Low Productivity in Induction Hardening machine due to:1. Heating Time High 12. Process Time high
2. Quenching time high
3. Unskilled operator
4. Heating Coil design to be changed
5. Machine Design
6. Insufficient power source
7. I/H cost high at subcontracting
8. Single end hardening
9. Loading time & Unloading time high
10.Quenching coil diameter more
11.Low feed rate
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7QC Story-1
SUSIRA INDUSTRIES LTD
Analysis Through Cause & Effect diagram
!
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QC STORY -32 QC Story-1
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VALIDATION
"#$!!
#%&&'!!!( Significant Cause
1.1
1.1
QC STORY -32 QC Story-1
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2.12.3
2.2
2.1
VALIDATION
#
2.4
2.2 ")!
2.3
*)+!"2.4
Significant Cause
Significant Cause
Insignificant Cause
Insignificant Cause
QC STORY -32
QC Story-1
QC Story - 11
SUSIRA INDUSTRIES LTD
3.1
3.3
3.2
3.1
VALIDATION
3.5
Significant Cause
3.43.6
"+
3.2 )!
Insignificant Cause
3.3 )!
Insignificant Cause
3.4 )!
Insignificant Cause
3.5 +
Significant Cause
3.6 ,)!
Insignificant Cause
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
ANALYSIS OF PROBABLE CAUSES
!
4.1 Insignificant Cause!"!
4.1
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
Vital Causes
Action PlanAction PlanAction PlanVital Causes
Less production (800 Nos) per shift at supplier end
Machine Design
Single end Hardening
Problem
Loading and Unloading Time high
Cycle time high
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8QC Story-1
SUSIRA INDUSTRIES LTD
Development Of Solution
Less production at supplier end Cycle time high
Single end I/HWHY? WHY?
SOLUTION
1.1
Machine designed with single end
Induction hardening facility
Machine to be modified with double end
induction hardening and additional features
to reduce cycle time
PROBLEM Low productivity in Induction Hardening
WHY?
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
Development Of Solution
Machine Design
No provision for double end
Machine is designed for single end
SOLUTION
2.1
Standard machine available with the
manufacturer/market
WHY?WHY?
WHY?
Machine to be modified with double end
induction hardening and additional features
to reduce cycle time
PROBLEM Low productivity in Induction Hardening
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
Development Of Solution
Single end
SOLUTION
2.1
Standard machine available with the
manufacturer/market
WHY?WHY?
WHY?Machine to be modified
with double end induction hardening
and additional features to reduce cycle time
No provision for double end
Machine designed with single end facility
PROBLEM Low productivity in Induction Hardening
QC STORY -32
QC Story-1
SUSIRA INDUSTRIES LTD
Development Of Solution
Loading and Unloading Time High
SOLUTION
2.1
Standard machine available with the
manufacturer/market
WHY?WHY?
WHY?Machine to be modified
with double end induction hardening
and additional features to reduce cycle time
loading one at a time Machine designed with single end facility
PROBLEM Low productivity in Induction Hardening
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
Development Of Solution
Cycle Time High
SOLUTION
2.1
Standard machine available with the
manufacturer/market
WHY?WHY?
WHY?Machine to be modified
with double end induction hardening
and additional features to reduce cycle time
Single end Hardening & loading one at a time
Machine designed with single end facility
PROBLEM Low productivity in Induction Hardening
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
SI.No.
Solution Action to be Taken Responsibility & Target Status
Action Plan
1Machine to be modified
with double end induction hardening
and additional features to reduce cycle time
1) Additional features for the new machine to be identified by CFT
CFT
Development Of Solutions
2) New machine design with improved features such as conveyer type , drop quench, Channel type coil. will be finalized jointly with the machine manufacturer and action will be initiated for procurement.
CFT
QC STORY -32
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9QC Story-1
SUSIRA INDUSTRIES LTD
INTRODUCTION
CFT
B.Monikandan - QAG.Ganesan - MetallurgyR.Sivanesaselvan - MaintenanceP.Dillibabu - ProductionP.V.Ganesan - ProductionP.Muthaiah HF Technologies(Machine Supplier)S.Kruppaiah HF Technologies(Machine supplier)
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
1. Double end Induction Hardening
done simultaneously
2. Horizontal loading
3. Continues feeding
4. Conveyer type
5. Drop quenching
6. Cone type Coil
7. Polymer quenching
Tool : BRAINSTORMING TO DESIGN THE NEW MACHINE
8. Poke Yoke system
9. Required power source
10. Adjustable Feed rate control
QC STORY -32 QC Story-1IMPROVED FEATURES IN THE NEW MACHINE
Both ends to be simultaneously Induction Hardened.
Continuous feeding with adjustable feed rate. Drop quenching. Poka yoke system for power drop , power
failure and heating station trip. Independent heating control for cup & ball end
induction hardening. Cycle time the above features leading to
reduce cycle time.SUSIRA INDUSTRIES LTD
QC STORY -32
QC Story-1Machine Front View
SUSIRA INDUSTRIES LTD
QC STORY -32
QC Story-1
Poka -yoke sensor to ensure correct orientation of push rod while loading
SUSIRA INDUSTRIES LTD
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QC Story-1
Conveyor Loading of the part
SUSIRA INDUSTRIES LTD
QC STORY -32
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10
QC Story-1
Poka yoke system ( pneumatic device ) for holding the components during power drop or power failure or heating station trip
SUSIRA INDUSTRIES LTD
QC STORY -32
QC Story-1
Poka yoke system ( pneumatic device ) for holding the components during power drop or power failure or heating station trip
SUSIRA INDUSTRIES LTD
QC STORY -32
QC Story-1
Stopper to avoid sudden fall in to the Quenching Tank
SUSIRA INDUSTRIES LTD
QC STORY -32
QC Story-1
Cone Type Coilfor Cup end Channel Type Coil
for Ball endSUSIRA INDUSTRIES LTD
QC STORY -32
QC Story-1
Quenched Components are taken out through the collector which is placed in the Quenching tank.
SUSIRA INDUSTRIES LTD
QC STORY -32
QUENCH MEDIA
QC Story-1 Validation
Various trials conducted and suitable Setting Parameters established for Regular Production and machine output is found to
be consistently meeting the product specification requirements.
Product Quality of the product depends on 3 variables
1. Feed rate2. Power3. Polymer Concentration.
SUSIRA INDUSTRIES LTD
QC STORY -32
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11
QC Story-1
Sl# Trial Side Voltage Tab Feed rate
Crack Test
Hardness Specification
Hardness Observed in HRC
Case Depth Spec.
Observed Case Depth
Mould No Micro Structure Result
1 Trial - 1 139 Cup 80 2&5 32 Ok 55 - 60 58 - 59 Min
15.0mm 17.0 mm 2976Mainly Martensite with few retained austenite Accepted
2 Trial - 2 139 Cup 80 2&5 33 Ok 55 - 60 58 - 59Min
15.0mm 16.50 mm 2977Mainly Martensite with few retained austenite Accepted
3 Trial - 3 139 Cup 80 2&5 32 Ok 55 - 60 58 - 59Min
15.0mm 17.0 mm 2979Mainly Martensite with few retained austenite Accepted
4 Trial - 4 139 Cup 80 2&5 33 Ok 55 - 60 57 - 58Min
15.0mm 16.50 mm 2980Mainly Martensite with few retained austenite Accepted
5 Trial - 5 139 Cup 80 2&5 33 Ok 55 - 60 57 - 59Min
15.0mm 16.50 mm 2980Mainly Martensite with few retained austenite Accepted
HF INDUCTION HARDENING MACHINE VALIDATION REPORT - CUP
SUSIRA INDUSTRIES LTD
QC STORY -32
QC Story-1
Sl# Trial Side Voltage Tab Feed rate
Crack
Test
Hardness Specificatio
n
Hardness Observed
in HRC
Case Depth Spec.
Observed Case Depth
Mould No Micro Structure Result
1 Trial - 1 139 Ball 80 2&5 32 Ok 55 - 60 57 - 59 Min
15.0mm
16.50 mm
2976Mainly Martensite with few retained
austeniteAccepted
2 Trial - 2 139 Ball 80 2&5 33 Ok 55 - 60 57- 59Min
15.0mm
16.50 mm
2977Mainly Martensite with few retained
austeniteAccepted
3 Trial - 3 139 Ball 80 2&5 32 Ok 55 - 60 57 - 59Min
15.0mm
17.0 mm 2979Mainly Martensite with few retained
austeniteAccepted
4 Trial - 4 139 Ball 80 2&5 33 Ok 55 - 60 57 - 58Min
15.0mm
16.50 mm
2980Mainly Martensite with few retained
austeniteAccepted
5 Trial - 5 139 Ball 80 2&5 33 Ok 55 - 60 57 - 59Min
15.0mm
16.50 mm
2980Mainly Martensite with few retained
austeniteAccepted
HF INDUCTION HARDENING MACHINE VALIDATION REPORT - BALL
SUSIRA INDUSTRIES LTD
QC STORY -32
QC Story-1
SUSIRA INDUSTRIES LTD
Action PlanAction PlanAction PlanComparative study
Before After
QC STORY -32
QC Story-1
SUSIRA INDUSTRIES LTD
Action PlanAction PlanAction PlanComparative study
Before After
Cycle time 48 Sec/1 no ( In-house ) & 36 Sec/ 1 no ( Subcontractor )
In house 600 Nos Induction hardening per shift.
Subcontractor end 800 Nos per shift Components Induction hardening cost
Rs.4.00/no (In house) Rs.3.75/no(sub) Monthly total production in house and
subcontractor 72800 Nos
Cycle time 9.3 Sec/ 1no In house 3100 Nos Induction
hardening per shift In house 3100 Nos Induction
hardening per shift Component Induction hardening
cost Rs.0.97/per no Monthly total production in house
161200 Nos.
Customer schedule 100% achieved with in house facility
QC STORY -32 QC Story-1
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SUSIRA INDUSTRIES LTD
QC STORY -32
QC Story-1
SUSIRA INDUSTRIES LTD
Comparative Graph for results obtainedProduction in Induction Hardening machine
69 72 7176
71 7481 83
95100 100
0102030405060708090
100
Jul'0
8Au
g'08
Sep'0
8
Oct'0
8No
v'08
Dec'
08Ja
n'09
Feb'0
9Ma
r'09
Apr'0
9Ma
y'09
Month
%
o
f
P
r
o
d
u
c
t
i
o
n
In house Production
Supplier Production
QC STORY -32
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12
QC Story-1
SUSIRA INDUSTRIES LTD
Current situation
3.9 4.0 3.8
3.23.4
3.13.4
2.4
0.760.35 0.35 0.35
00.5
11.5
22.5
33.5
44.5
Jun'
08Ju
ly'08
Aug'0
8Se
p'08
Oct'0
8No
v'08
Dec'
08Ja
n'09
Feb'0
9Ma
r'09
Apr'0
9Ma
y'09
Month
V
a
l
u
e
i
n
L
a
k
h
In-house Production
QC STORY -32 QC Story-1 MILE STONE CHARTTo increase producivity in I/H
SGA-QA-32
Monday
Oct 6-11
Oct 13-18
Oct 20-25
Oct 27-31
Nov 3-8
Nov 10-15
Nov 17-22
Nov 24-29
Dec 1-6
Dec 8-13
Dec 15-20
Jan 1 - 30
Feb 1 - 28
P
A
P
A
P
A
P
A
P
A
P
A
P
A
p
A
P
A
P
A
P
A
Follow up/Review and recurrence prevention
11
Trial implementation & checking performance
9
Regular implementatio10
Development of solution
8
Selection of problem
Definition of the problem
Analysis of problem
Cause-effect analysis
Root cause analysis
Data analysis on the Root cause7
Date of Completion
No of Projects
WEEK year -2008
Reason for Selection
Started on
Time
26.02.2009
25
Manufaturing Cost IncreaseProject on
Project No
Meeting Day
PDCA SL#
Identification of Problem(which are unsolved)
PLAN
5
STEPS
CHECK
ACT
06.10.08
2.0 - 3.0 PM
1
2
3
4
DO
6
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
Action PlanAction PlanAction Plan
(
1. Productivity Increased from 1200 nos to 6200 nos Per day2. Push rod for Induction hardening Cost Rs.3.03 per push rod saved3. Rs. 227419.00 per month saving4. Rs .27,29,032.00 per year saving5. Subcontracting totally eliminated.
Rs 27,29,032.00 per year
1. This Machine is a concept machine jointly developed by our in house talent and with machine manufacturer expertise and their co-operation. This costed us Rs. 11 lakhs.
QC STORY -32
QC Story-1
SUSIRA INDUSTRIES LTD
Action PlanAction PlanAction Plan
(
1. Through put time reduced.2. Enhanced on time delivery.3. Increased Customer satisfaction. 4. Operator morale improved.
STANDARDISATION:The PPAP documents - Process Flow diagram ,PFMEA
Control Plan & SOPs have beenamended.
QC STORY -32 QC Story-1
SUSIRA INDUSTRIES LTD
Horizontal Deployment
1. Double end introduced in Scanner Induction Hardening machine.
QC STORY -32
2. New Induction hardening machine procured with the same concept and spray quench simultaneously
QC Story-1
SUSIRA INDUSTRIES LTD
TOOLS USED
1. Brain Storming
2. Data Collection
3. Flow Chart
4. Cause & Effect Diagram
5. Bar charts
QC STORY -32
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13
QC Story-1
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QC STORY -32
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