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Moving Towards Zero Breakdown 2/26/2013 Sona Okegawa Precision Forgings Ltd. 1 Ratanmani Kukreti

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  • Moving Towards Zero Breakdown

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 1

    Ratanmani Kukreti

  • ContentsContents

    Company Profile Group Structure Outline Of Company Products Customers Process Chain Of Precision Parts Approach Towards Zero Breakdown Step to achieve Zero Failure Case Study - 1 (Electrical Break Down) Case Study 2 (Mechanical Break Down) Results

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 2

  • Group Structure :

    SONA GroupSONA Group

    SONA AUTOCOMP USA

    SONA AUTOCOMP USA

    SONA KOYOSTEERINGSYSTEMSLTD.

    SONA KOYOSTEERINGSYSTEMSLTD.

    MAHINDRASONA LTD.

    MAHINDRASONA LTD.

    SONA OKEGAWAPRECISION

    FORGING LTD.

    SONA OKEGAWAPRECISION

    FORGING LTD.

    SONAeDESIGN &

    TECH.

    SONAeDESIGN &

    TECH.

    AUTO COMPONENTS AUTO COMPONENTS SERVICESERVICE

    LEGALLEGAL

    ITIT

    Dr. Surinder KapurDr. Surinder Kapur

    FINANCEFINANCE

    GROUP SHARED SERVICESGROUP SHARED SERVICES

    CONTROLLERCONTROLLER

    FUJI AUTOTECH

    EUROPE

    FUJI AUTOTECH

    EUROPE

    GLOBAL

    CORP. AFFAIRSCORP. AFFAIRS

    SONA MOBILITY

    SERVICES LTD (SIXT)

    SONA MOBILITY

    SERVICES LTD (SIXT)

    MOBILITY

    SONA AUTOCOMP EUROPE

    SONA AUTOCOMP EUROPE

    SONA STAMPINGSSONA STAMPINGS

    FAFFAF

    FABFAB

    FKCFKC

    FAABFAAB

    SONA BLW PRECISION FORGING

    EUROPE & USA

    SONA BLW PRECISION FORGING

    EUROPE & USA

    JSAIJSAI

    SFALSFAL

    KOYO SONA ELECTRONICS LTD.

    KOYO SONA ELECTRONICS LTD.

    SOPL, PuneSOPL, Pune

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 3

  • Laurels

    Brief History Sona Group is currently the largest manufacturer of steering systems and forged parts for passenger cars and

    utility vehicle market in India. The group turnover is over `40 Billion ($ 810 Mn) with number of employees

    over 3800. Sona group is diversified in auto components & services. It has 17 manufacturing plants with 4

    companies overseas..

    The Beginning Technology Tie-Ups

    Extending Partnership

    Growth for Domain Leadership

    Global Footprint

    Technical Agreement with Koyo for Manual Steering Gear and Column

    Sona Steering enters a JV agreement with Maruti Udyog Ltd.

    Sona Steering Systems Ltd. commences production

    Sona Steering Systems Ltd., a JV with Maruti, lists through an IPO

    Incorporation of Sona Somic Lemforder Components Ltd.

    Incorporation of Mahindra Sona Ltd.

    Mahindra Sona acquired the MSL Division of M & M

    Technical Collaboration with Koyo for Power Steering Gear

    Joint Venture company formed with MMTLSona Okegawa Precision forgings Ltd.

    Incorporation of Sona e-Design

    Koyo increases stake in Sona Koyo to 20.5%Sona Cold Forgings commences

    productions

    Sona Okegawa commences

    production of bevel gears for domestic market & exports

    Sona Koyo Steering Systems Ltd. receives Deming Prize

    Acquire 21% stake in Fuji Autotech France S.A.S.

    Merger of Sona Somic Lemforder and Sona Cold Forging Ltd.

    20102005200019951990

    New JVs

    JTEKT-Sona Automotive India Ltd.

    Sona Fuji Kiko Automotive Ltd.

    Sona Okegawa,Pune started commencing Production

    Acquisition Sona BLW

    Prazisionsschmiede GmbH formed

    Awards

    Sona Okegawa Gurgaon Plant Received TPM Excellence Award

    Certifications

    Sona Okegawa Certified for IMS (QMS,EMS & OHSAS)

    1985

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 4

  • Sona is a Company with a Global Footprint

    Sona AutoComp USASouth Carolina, USA

    100% Subsidiary of Sona Group

    Sona BLW Precision ForgeNorth Carolina, USA

    100% Subsidiary of Sona Group

    Fuji Autotech Brazil

    Sona Group India16 Plants

    Sona BLW Przisionsschmiede 3 Plants in Germany

    100% Subsidiary of Sona Group

    Fuji Koyo Czech (FKC)

    Sona AutoComp EuropeMontbeliard, France

    100% Subsidiary of Sona Group

    Fuji Autotech EuropeMandeure, France

    Sona 17%

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 5

  • Sona Group - Overview

    The Sona Group it one of Indias leading companies

    Turnover 11/12: > ` 40 billion ( $ 810 Million)Employees 11/12: > Over 3800

    The Sona Group has a strong portfolio of established businesses that includes manufacturing and IT.

    Manufacturing INFORMATION TECHNOLOGYMOBILITYSERVICES

    SONA E-DESIGN AND

    TECHNOLOGIESSIXT RENT A CAR

    SONA KOYO STEERING SYSTEMS

    MAHINDRA SONA

    SONA OKEGAWAPRECISION FORGINGS

    Steering and Driveline Systems

    Propeller Shafts, Axle & Clutches Forgings,Differentials

    2/26/2013 6Sona Okegawa Precision Forgings Ltd.

  • Company ProfileCompany Profile

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 7

  • Plant Layout

    Hall 1

    Hall 2

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 8

  • MilestonesMilestones

    JV Company Promoted by Sona Koyo in Collaboration with MMC, Japan1995

    20th Nov. Commercial Production & Exports to Japan Started1998

    Synchronizer Ring Production Started2002

    ISO / TS 16949 Certified in Nov.2003

    ISO 14001:1996/EN ISO 14001in Feb2004

    Commercial Production Started at Pune Plant2005

    New Agreement Signed with MMTL2006

    2007TPM Kickoff & Diff. Case Assembly started.

    200830th Jan Acquisition of Sona BLW

    TPM Re-Kickoff in Jan20092009

    2011TPM Excellence in Dec 2011

    OHSAS 18001Sep122012

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 9

  • Products

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 10

  • Steering column

    Rear axle

    Steering Gear Assy

    Propeller shaftClutch diaphragm

    Seat Recliner

    Bevel Gear

    Product Range

    Speed Gear

    Differential Assembly

    2/26/2013 Sona Okegawa Precision Forgings Ltd.

    11

  • Main ProductsMain Products

    Over 250 Parts

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 12

  • Fiat India

    (SKSSL)

    Mahindra &

    Mahindra

    Maruti Suzuki

    Spicer India Ltd.

    Suzuki

    Powertrain

    Tata Motors

    Ltd. (SKSSL)

    Passenger

    car & SUV

    Albion

    Automotive

    American Axle

    Automotive

    Axle

    Axle India

    Axle Tech

    Diamler India

    Force Motors

    HV Axle

    Spicer India

    Tata Motors

    Volvo Eicher

    Commercial

    Vehicles

    Carraro India

    Escorts Tractors

    International

    Tractors Ltd.

    John Deere

    Mahindra &

    Mahindra

    Mahindra Swaraj

    New Holland India

    TAFE

    TMTL (Eicher)

    Tractor

    Dana India

    Grazziano

    Lombardini

    Mahindra &

    Mahindra

    Mahindra Swaraj

    New Holland

    india

    TAFE

    TMTL (Eicher)

    Off Highway

    Equipments

    Case New

    Holland (USA)

    John Deere

    (Iberica)

    Tirth Agro

    Farm

    EquipmentConstruction

    Equipments

    JCB

    Key ProductsPrecision Forged (net shaped) Bevel Gears, Differential Case Assemblies and

    Synchronizer Rings for Automotive and Other applications.

    Customers

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 13

  • Process Chain of Precision PartsProcess Chain of Precision Parts

    Precision Hot Forging on Conventional press lines 300 t bis 1250 t

    Cold Coining of the functional surface with hydraulic press lines700 t

    Die Manufacturing

    Machining on full automatic cutting lines

    Broaching of precision forged parts

    Heat Treatment exactly matching to product requirements

    Flexible packaging according to customersrequirements

    Continuous quality from tooling to finished part

    Automotive World

    Design

    2/26/2013 14Sona Okegawa Precision Forgings Ltd.

  • FacilitiesFacilitiesForging Capabilities

    Friction Driven (800 Ton)

    Servomotor Driven (1250 Ton)

    Forging Press Type Age Qty.

    Capability

    L Wt.

    1250 TonServomotor

    Driven (Simplex)

    2 Yrs 1 200 mm 300 mm 10 Kg

    800 Ton Friction Driven (Duplex) 14 yrs 2 180 mm 220 mm 6.5 Kg

    400 Ton Friction Driven (Duplex) 14 yrs 2 115 mm 75 mm 2 Kg

    400 TonServomotor

    Driven (Simplex)

    5 yrs & 8 yrs 2 90 mm 70 mm 1 Kg

    400 TonServomotor

    Driven (Simplex)

    1 yrs 1 90 mm 70 mm 1 Kg

    300 TonServomotor

    Driven (Simplex)

    5 yrs 1 65 mm 30 mm 0.6 Kg

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 15

  • Facilities Machining Capabilities

    Machine Make Age Qty.

    Automated CNC Turning Centre Mazak 1yr 6 Nos.

    CNC Turning Center Takisawa, Mazak, Ace, LMW 1 Yr. to 14 yrs 35 Nos.

    Vertical Turning Lathe Takishawa 1yr 3 No.

    Angular Head Grinder Micromatic 7 months to 12 yrs 3 Nos.

    Drilling & Tapping Center AMS, Fanuc 1Yr to 4 yrs 3 Nos.

    Broaching Taiga, Cranebell 6 yrs to 14 yrs 2 Nos.

    Centerless Grinder HMT 1 Yr 1 No.

    Honing Nagel 14 yrs 1 No.

    Hobbing Cooper 22 yrs 2 Nos.

    CNC Gear Hobbing Mitsubishi 1 yr 1No.

    SPM (Case Line) Tasa 10 yrs 4 Nos.Shaving Kanzaki 1 yr 1 No.

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 16

  • Facilities Heat Treatment

    Case CarburizingCase Carburizing

    Carbo NitridingCarbo Nitriding

    HardeningHardening

    Machine Make Age Capacity Qty.

    Sealed Quench Furnace Line

    Oriental Engg. Japan

    5 yrs 1000 Kg 3 Nos.

    6 yrs 1000 Kg 3 Nos.

    12 yrs 600 Kg 3 Nos.

    IPSEN India 1 yrs 1200 Kg 4 Nos.

    Nitriding Furnace IPSEN India 1 Yrs 600 Kg 1 No.

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 17

    Processes:Processes:

  • Facilities: Design & Development Software

    UnigraphicsUnigraphics--NX7NX7Solid Edge V20Solid Edge V20 DeformDeform--Form SimulationForm Simulation

    ANSYSANSYS Frenco Spline SoftwareFrenco Spline SoftwareHYPERMILLHYPERMILL

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 18

  • Pyrometer For Billet Temp.

    Forging

    Pressure Gauge For Coining Press

    Coining

    Dial & Gauges For Inspection

    Soft Machining

    Air Gauges & Dial For Inspection

    Hard Machining

    100 % Gauging Inspection

    Process Confirmation

    100 % Visual Inspection

    Visual Inspection

    Quality Assurance - Process Validation

    Load & Pressure Gauge For Forging Press

    Sequential Pokayoke

    Diff. Case Assembly

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 19

  • Quality Assurance- Metrology & Metallurgical Lab

    Gear Accuracy TesterBearing Contact Tester CMM

    Metallurgical Microscope Micro Vickers Hardness Tester

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 20

  • Respect for the Individual

    Service to the Customer

    Excellence in the pursuit of our Goals

    MOTTO

    Think!

    Create a Company That India is Proud of

    To Make Sona A Partner Of Choice to Global Customers

    MISSION

    An organization of energized and involved employees.

    Growing and achieving high profitability.

    Supplying to major global OEMs directly or indirectly.

    At least 50% of sales overseas,

    Be #1 in every business line

    VISION

    Sona Vision 2020

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 21

  • Inter-relation of Companys overall Policies

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 22

  • Planned Maintenance Organisational Structure :

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 23

  • Relation Between TPM Policy And PM Pillar:

    Planned Maintenance PillarTPM Policy

    To enhance the operational

    efficiency and equipments by

    achieving Zero breakdowns and

    Zero defects

    Data collection of all the break

    down, break down matrix, why-why

    analysis and implementing PM,CBM

    and TBM activities

    Optimization of process and

    resources

    Optimization of process and resources by

    eliminating minor stoppage and re-storing

    optimal condition

    Create Visual Factory Expose losses and problems

    Trained ,Skilled and Motivated

    employees for the first time right job

    Motivations by autonomous maintenance

    and Implementing MP Kaizen

    To achieve a safe and green factory

    through Zero accidents and Zero

    Pollutions

    By eliminating un-safe conditions, arresting

    air, oil and water leakage and conservation

    of natural resources

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 24

  • Methodology to achieve Zero Methodology to achieve Zero Break DownBreak Down

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 25

  • Zero Breakdown Approach

    Problem Discussion with J-H

    Problem Analysis with J-H

    Root Cause Analysis

    Countermeasures

    Implementation of

    Countermeasures

    Horizontal Deployment

    Problem Discussion with PM team

    Problem Analysis with Electrical &

    Mechanical Engineers

    Root Cause Analysis

    Countermeasures

    Raise MP Sheet / Update Standards

    Implementation of Countermeasures

    Problem Analysis

    Horizontal Deployment

    Problem Discussion with DM

    team

    DO FMEA

    Release DCN(Design Change

    Note)

    Monitor for 3 Months

    Implementation of Design

    Changes

    Raise MP Sheet / Update

    Standards

    Horizontal Deployment

    NO

    IF OK

    NO

    IF OK

    OPERATION (Operator error, Fatigue,

    Equipment & personnel safety)

    ENHANCING RELIABILITY (Accelerated Deterioration,

    Restoration & Improvement of Equipment Condition)

    ENHANCING DESIGN (

    Uncontrolled Stresses &

    Insufficient Stress)

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 26

  • Step Wise Activity for Zero Break Down

    Step ActivityActivityActivityActivity

    Step-1 Maintaining Basic Condition

    Step-2 Restoring or Preventing Deterioration

    Step-3 Maintaining Operating Standards

    Step-4 Time Based Maintenance

    Step-5 Predictive Maintenance (CBM)

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 27

    Activity :

  • Step 1 Maintaining Basic Condition

    Jishu- Hozen Keikaku Keikaku Keikaku Keikaku ---- HozenHozenHozenHozen

    Initial Cleaning Analysis of Present Status

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 28

  • Step 2 Restoring Or Preventing Deterioration

    Jishu- Hozen Keikaku Keikaku Keikaku Keikaku ---- HozenHozenHozenHozen

    Counter Measure Against SOC & HTARestoration and Improvement of the Deteriorated

    Equipment

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 29

  • Step 3 Maintaining Operating Standards

    Jishu- Hozen Keikaku Keikaku Keikaku Keikaku ---- HozenHozenHozenHozen

    Draft Tentative Cleaning, Oiling & Inspection Standards Tentative Standard Maintenance Procedure

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 30

  • Step 4 Time Based Maintenance

    Keikaku Keikaku Keikaku Keikaku ---- HozenHozenHozenHozen

    Time Based Maintenance

    Methodology Example

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 31

  • Step 5 Predictive Maintenance (Cbm)

    Keikaku Keikaku Keikaku Keikaku ---- HozenHozenHozenHozen

    Predictive Maintenance (CBM)

    Methodology Example

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 32

  • CASE STUDY

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 33

  • Equipment

    Induction Heater Forging Press Slow Cooling Conveyor

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 34

  • Failure Analysis :- Analysis by Branch wise

    Stratification of Mechanical & Electrical Failure ( Nos./Branch) 400 Ton press

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 35

  • Failure Analysis :- Analysis by Equipment Wise (Electrical)

    Total 17 Phenomenon

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 36

  • Design Change Kaizen (Electricals)

    Case Study- No. 11. Problem Description:- Convertor Failure Occurrence in Induction Heater Resulting in Tripping

    Equipment Under Study- 250 KW Induction Heater

    Induction Coil

    Pusher

    Induction Heater

    Capacitor Bank

    Billet Loader

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 37

  • Design Change Kaizen (Electricals)

    Case Study- No. 12. Kaizen Theme:- To Eliminate Induction Heater Failure

    S.NO. PhenomenonF08 F09 F10 F11 F12

    F13 (Till 10 Jul' 2012)

    Break Down Frequency

    1 Induction Heater Trip 53 14 59 16 20 42 Converter Failure 17 6 21 10 6 53 LMD Wheel Not Working 14 3 10 3 0 04 Temp Problem 4 1 3 3 44 105 Starting Failure 1 1 1 1 1 7

    6 Bus Bar Clamping Problem 0 3 12 3 1 07 Over Frequency Alarm 0 0 0 2 0 0

    3. Data Collection:- Phenomenon wise Break Down Data for 250 Kw induction

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 38

  • Case Study- No. 1

    4. Root Cause AnalysisProblem:- Induction Heater Tripping

    Why Phenomenon Answer Action

    Why -1 Converter Failure

    Dc Voltage Is Not Converted In To Ac Single Phase

    Check Inverter Section

    Why-2

    Dc Voltage Is Not Converted In To AC Single Phase

    Inverter Circuit does Not perform

    Check Protection Circuit

    Why-3 Inverter Circuit does not perform Thyrister Blow off

    Replace Thyrister

    Why-4 Thyristor Blow off Not Known

    Problem:- Induction Heater Tripping Why Phenomenon Answer Action

    Why -1 Converter Failure Reset Induction Heater

    Problem:- Induction Heater Tripping Why Phenomenon Answer Action

    Why -1 Converter Failure

    Dc Voltage Is Not Converted In To Ac Single Phase

    Check Inverter Section

    Why-2

    Dc Voltage Is Not Converted In To Ac Single Phase Thyrister Failure

    Replace Thyrister

    Why-3 Thyrister Failure Insufficient Cooling Provide More Cooling

    Why-4 Insufficient Cooling

    Water Pressure (1kg/Cm2) & Flow (11 Lpm) Is Less At Heat Exchanger Inlet

    Increase Water Pr. & Flow

    Why-5

    Water Pressure (1kg/Cm2) & Flow (11 Lpm) Is Less At Heat Exchanger Inlet Pump Efficiency Is Low

    Increase Pump Efficiency

    Problem:- Temperature Variation

    Why Phenomenon Answer Action

    Why -1 Billet Temperature Drops

    Stop Induction Heater and reset

    Every Individual part of the induction Heater was

    replaced with New part including PCB cards, But

    Problem could not be solved

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 39

  • Case Study- No. 1

    What Next When No Root

    Cause is found ?Why- Induction Heater Not Working ?Why- Convertor Failure Caption Illuminate ?

    Why- Over Voltage, Over Frequency & Starting Failure LED "Glow " inspite of all the parameter within range ?Why- Temperature drop in Billet when 41 & above Diameter is heated ?

    Cross Functional TeamName Dept.

    Mr. Vipin ManufacturerMr. Vivek ManufacturerMr. Jaideep Project DesignMr. Amit Sharma Project DesignMr. Mukesh MaintenanceMr. Harcharan MaintenanceMr. Multan Maintenance

    4. Brain Storming

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 40

  • Case Study- No. 1

    12 PCB cards are attached to one Mother board

    with interlocking to each other

    5. Design Change for Electrical & Electronic Circuit

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 41

  • Case Study- No. 1

    6. OutcomeOne Single Card was developed 7. Result For Induction Heater

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 42

  • Case Study No.- 2

    2/26/2013 43Sona Okegawa Precision Forgings Ltd.

  • Case Study- No. 2

    1. Problem Description:- Interruption Due to Die Lubricant Equipment Under Study- Die Lubricant System

    Die Lubrication Tank Diaphragm Valve with solenoid coil

    Tank PumpStirrer Diaphragm Valve with solenoid

    coil

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 44

  • Design Change Kaizen (Mechanical)

    Case Study- No. 22. Kaizen Theme:- To Eliminate Die Lube Breakdown Phenomenon

    S.NO. PhenomenonF08 F09 F10 F11 F12

    Break Down Frequency

    1 DIE LUB NOT WORKING 81 39 81 80 108

    2 INDUCTION HEATER TRIP 53 14 59 16 20

    3 MIDDLE CONVEYOR NOT WORKING 34 9 0 0 0

    4 PRESS NOT WORKING UP & DOWN 27 10 30 26 16

    5 PRESS LOAD PROBLEM 0 16 13 6 9

    6 COIL LEAKAGE / WATER PIPE LEAKAGE 26 24 0 0 0

    7 CONVERTER FAILURE 17 6 21 10 6

    8 EJECTOR PIN NOT WORKING 16 14 0 0 0

    9 LMD WHEEL NOT WORKING 14 3 10 3 0

    10 FOOT SWITCH NOT WORKING 11 2 6 0 5

    3. Data Collection:- Phenomenon wise Break Down Data for 400Ton Forging Press

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 45

  • Case Study- No. 24. Root Cause AnalysisPROBLEM:- INTERRUPTION DUE TO DIE LUBE FLOWING

    CONTINUE FROM VALVEWHY PHENOMENON ANSWER ACTION

    WHY -1

    DIE LUBE FLOWING CONTINUOSLY FROM NOZZLE

    DIE LUBE VALVE REMAIN OPEN CLOSE DIE LUBE VALVE

    WHY-2

    DIE LUBE VALVE REMAIN OPEN

    VALVE DIAPHRAGM RAISED FROM ITS SEATING

    ALLOW DIAPHRAGM TO SETTLE PROPERLY

    WHY-3

    VALVE DIAPHRAGM RAISED FROM ITS SEATING

    DIE LUBE SEDIMENTS ACCUMULATE IN DIAPHRAGM SEAT

    CLEAN DIAPHRAGM OF VALVE

    WHY-4

    DIE LUBE SEDIMENTS ACCUMULATE IN DIAPHRAGM SEAT

    SHARP BEND IN DIE LUBE TRANSFER PIPE LINE

    ELIMINATE SHARP BENDS

    WHY-5

    SHARP BEND IN DIE LUBE TRANSFER PIPE LINE

    DIE LUBE TANK TOO FAR FROM THE PRESS

    BRING TANK NEAR TO THE PRESS

    PROBLEM:- MTTR IS HIGH

    WHY PHENOMENON ANSWER ACTION

    WHY -1 MTTR IS HIGH FAULT DIAGNOSYS IS TIME CONSUMINGMAKE FAULT DIAGNOSYS EASY

    WHY-2 FAULT DIAGNOSIS IS TIME CONSUMING

    FIVE TIMERS , CONTACTORS AND RELAYS ARE INTER CONNECTED WITH TOO MANY WIRES

    REDUCE THE WIRE

    WHY-3

    FIVE TIMERS , CONTACTORS AND RELAYS ARE INTER CONNECTED WITH TOO MANY WIRES

    ELECTRICAL CIRCUIT IS MADE WITH RELAY LOGIC

    CONVERT RELAY LOGIC TO PROGRAMME LOGIC

    PROBLEM:- INTERRUPTION DUE TO DIE LUBE NOT FLOWING FROM VALVE

    WHY PHENOMENON ANSWER ACTIONWHY -1

    DIE LUBE STOPS FLOWING FROM NOZZLE

    DIE LUBE VALVE DOES NOT OPEN

    OPEN DIE LUBE VALVE

    WHY-2

    DIE LUBE VALVE DOES NOT OPEN VALVE OUTLET GETS CLOGGED

    REMOVE CLOGGING

    WHY-3

    VALVE OUTLET ORIFICE GETS CLOGGED

    DIE LUBE SEDIMENTS ACCUMULATE AT THE OUTLET ORIFICE OF VALVE CLEAN VALVE

    WHY-4

    DIE LUBE SEDIMENTS ACCUMULATE AT THE OUTLET ORIFICE OF VALVE ORIFICE SIZE IN ONLY 1MM

    INCREASE ORIFICE SIZE

    WHY-5 ORIFICE SIZE IN 1MM STANDARD DESIGN CHANGE DESIGN

    PROBLEM:- INTERRUPTION DUE TO DIE LUBE FLOWING CONTINUE FROM VALVE

    WHY PHENOMENON ANSWER ACTION

    WHY -1

    DIE LUBE FLOWING CONTINUOSLY FROM NOZZLE DIE LUBE VALVE REMAIN OPEN

    CLOSE DIE LUBE VALVE

    WHY-2

    DIE LUBE VALVE REMAIN OPEN

    VALVE DIAPHRAGM RAISED FROM ITS SEATING

    ALLOW DIAPHRAGM TO SETTLE PROPERLY

    WHY-3

    VALVE DIAPHRAGM RAISED FROM ITS SEATING

    DIE LUBE SEDIMENTS ACCUMULATE IN DIAPHRAGM SEAT

    CLEAN DIAPHRAGM OF VALVE

    WHY-4

    DIE LUBE SEDIMENTS ACCUMULATE IN DIAPHRAGM SEAT

    PILOT PRESSURE ORIFICE IS CLOGGED

    CLEAN PILOT RESSURE ORIFICE

    WHY-5

    DIE LUBE SEDIMENTS ACCUMULATE IN PILOT ORIFICE ORIFICE SIZE IN ONLY 1MM

    INCREASE ORIFICE SIZE

    WHY-6 ORIFICE SIZE IS 1MM STANDARD DESIGN CHANGE DESIGN

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 46

  • Case Study- No. 24. Design Change for Die lube Pump and Valve

    2/26/2013 Sona Okegawa Precision Forgings Ltd. 47

    PROBLEM:- INTERRUPTION DUE TO DIE LUBE FLOWING CONTINUE FROM VALVE

    WHY PHENOMENON ANSWER ACTION

    WHY -1

    DIE LUBE FLOWING CONTINUOSLY FROM NOZZLE

    DIE LUBE VALVE REMAIN OPEN

    CLOSE DIE LUBE VALVE

    WHY-2DIE LUBE VALVE REMAIN OPEN

    VALVE DIAPHRAGM RAISED FROM ITS SEATING

    ALLOW DIAPHRAGM TO SETTLE PROPERLY

    WHY-3

    VALVE DIAPHRAGM RAISED FROM ITS SEATING

    DIE LUBE SEDIMENTS ACCUMULATE IN DIAPHRAGM SEAT

    CLEAN DIAPHRAGM OF VALVE

    WHY-4

    DIE LUBE SEDIMENTS ACCUMULATE IN DIAPHRAGM SEAT

    PILOT PRESSURE ORIFICE IS CLOGGED

    CLEAN PILOT RESSURE ORIFICE

    WHY-5

    DIE LUBE SEDIMENTS ACCUMULATE IN PILOT ORIFICE

    ORIFICE SIZE IN ONLY 1MM

    INCREASE ORIFICE SIZE

    WHY-6ORIFICE SIZE IS 1MM STANDARD DESIGN

    CHANGE DESIGN

    06 DIAPHRAGM VALVES ARE USED

    FOR SPRAYING DIE LUBE

    1 MM ORIFICE

  • Case Study- No. 25. Design Change for Die lube Pump and Valve

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    02 Rotary Actuator with

    less bends Introduced

  • Case Study- No. 2

    4. Design Change for Die lube Pump and Valve

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  • Kaizens done to eliminate Breakdown Phenomenon

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  • Result for Die Lubrication Problem

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    Phenomenon

    Reason

    YEAR

    81 39 82 80 108 50 0 52

    Counter Measures2

    F08 F09 F10 F11 F12F13

    (NOV 12)

    Dec-12 Jan-13

    DIE LUB NOT

    WORKING

    Die Lub. Valve Choke 38 28 38 30 32 6 0 0 Diaphragm Valve Replaced with Rotary Actuator

    Timer Setting Disturb 7 3 2 2 0 0 0 0 Relay Logic with timer Changed to PLC with MMI

    Die Lub .Pump Problem 13 0 9 12 23 12 0 0 Pump Removed & Gravity Feeding Started From a height of 6 Mtr.

    Relay Loose / Faulty 5 3 0 1 1 0 0 0 Relay Logic Changed to PLC Air Setting Disturb 2 0 0 0 0 0 0 0 JH Step 3Die Lub Pipe / Line Choke 7 0 6 2 23 19 0 0 No. of Bends Reduced & SS pipe

    introduced

    Die Lub Sensor / Cable Problem 9 0 2 0 1 1 0 0 Relay Logic Changed to PLC Die Lub Stand Broken 0 1 0 0 0 0 0 0 JH Step 3Die Lub Fitting Wear / Broken 0 4 3 0 4 4 0 0 No. of Bends Reduced Die Lub Valve Coil Faulty / Loose 0 0 6 6 2 0 0 0

    Diaphragm Valve Replaced with Rotary

    Actuator

    Die Lub Filter Choke 0 0 13 23 19 0 0 0 Filtering element Removed & Stirer system Design Improved

    MCB Trip / Supply Missing 0 0 1 0 0 0 0 1

    Air Pressure Disturb 0 0 1 0 1 2 0 0 JH step 4 & 5 implementationWire Loose / Short 0 0 0 4 2 2 0 0 JH step 4 & 5 implementationDie Lub Cylinder Mounting Loose / Jam 0 0 0 0 0 2 0 1 JH step 4 & 5 implementationDie Lub Tank Empty 0 0 1 0 0 0 0 0 JH Step 3

    81 39 82 80 108 48 0 2

  • Distribution of Kaizen to achieve Zero Break Down

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  • Counter Measure :- %age Contribution of Activities

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  • Background :

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  • Distribution of Kaizen to achieve Zero Break Down

    Zero Break Down Machine

    Category Criteria for Zero B/D No of Machine

    Platinum Zero B/D for last > 10 to 12 Month (

  • Thank You

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