RECOMENDATIONS AND CONCLUSION Labor Utilization And Man To Machine Ratio At A Semiconductor Facility.

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6. RECOMENDATIONS AND CONCLUSION

6.1.1 Performing work study on operator‟s activity 90 6.1 Summary 90 6.1.2 Standard time establishment 91 6.1.3 Determine the current operator‟s utilization 91 6.2 Recommendations to achieve ideal man to machine ratio 94 6.2.1 Elimination of Non Value Added activities. 94 6.2.1.1 Preparing end plug 95 6.2.1.2 Run 2 95 6.2.1.3 Improvements after eliminating „preparing end plug‟ and „run 2‟ 96 6.2.2 Standard Operation Procedure SOP for new operators 96 6.2.3 Increase man to machine ratio 98 6.3 Conclusion 101 REFERENCES 103 APPENDICES A MOST Data Card General Move B MOST Data Card Controlled Move C MOST Data Card Tool Move D ILO xiii LIST OF TABLES 2.1 Symbol used for process charting 15 2.2 Types of process charts 16 2.3 Operation Charts 16 2.4 Performance Rating Table 25 2.5 Comparison on Average Actual Times and Times 33 Determined from Predetermined Time Data 3.1 Gantt Chart for PSM I 51 3.2 Data collection table 59 3.3 MOST table for data computation 61 5.1 MOST table description 72 5.2 Overall activity summary for STI 1 and 2 74 5.3 Activity task for starting lot preparation 75 5.4 Overall activity summary for STI 13 and 14 79 5.5 The OEE calculation for STI 1, 2, 13 and 14 85 5.6 The comparison between MOST analysis and overall calculation for operato r‟s utilization for STI 1 and 2 87 5.7 The comparison between MOST analysis and overall calculation for operator‟s utilization for STI 13 and 14 89 6.1 Comparison between the time taken to complete same task by different operator 92 6.2 Comparison between of MTM before and after eliminating Non-value added activities 96 6.3 Suggested SOP for new operators 96 6.4 MOST for STI 1 and 2 revised and proposed 100 6.5 MOST for STI 13 and 14 revised and proposed 100 xiv LIST OF FIGURES 1.1 Productivity Growth, Malaysia and Selected 4 OECD Countries, 2007 1.2 Productivity Growth, Malaysia and Selected 4 Asian Countries, 2007 2.1 Example of Flow Process Chart in manufacturing 17 a product 2.2 Example of Process Flow Chart in manufacturing 18 a product 2.3 Example of Assembly Process Chart 19 2.4 Example of Operation Chart: Simo Chart 20 2.5 Work measurement method 23 2.6 Example of Personal and Fatigue allowance used by 27 a company 2.7 Example of time study sheet 29 3.1 Research flow chart 53 3.2 Data collection flow chart 57 4.1 Layout of EOL of QFN department 66 4.2 Flow Chart of assembly process in QFN 67 5.1 MOST table 71 5.2 MOST table for STI 1 and 2 73 5.3 MOST table for STI 13 and 14 78 5.4 Example of time calculation task with allowance accumulation 83 5.5 The time calculation of activities per lot by using frequency 84 xv LIST OF ABBREVIATIONS, SPECIALIZED NOMENCLATURE BMT - Basic Motion Time Study CAD - Computer Aided Design EOL - End of Line GDP - Gross Domestic Product GI - General inspection ICT - Information and Communication Technology ILO - International Labor Organization IMVP - International Major Vehicle Program MNC - Multinational Company MOST - Maynard Operation Sequence Technique MS - Machine Specialist MTBA - Mean Time Between Assist MTM - Man to Machine MTM - Methods Time Measurement OEE - Overall Equipment Efficiency PFD - Personal, Fatigue and Delay PMC - Post Mold Cure PO - Process Operator PTS - Predetermined Time System QFN - Quad Flat No Lead SMI - Small and Medium Industry SOP - Standard Operation Procedure TI - Texas Instruments Inc TIM - Texas Instruments Malaysia TMU - Time Measurement Unit TPS - Toyota Production System UK - United Kingdom xvi US - United States of America VM - Visual Mechanical WTO - World Trade Organization 1