Sania Sheikh (31) Iqra Khan (32) B.Sc. (Hons). Food Science and Technology Semester 8th (Self Support) INSTITUTE OF FOOD SCIENCE AND NUTRITION UNIVERSITY OF SARGODHA, SARGODHA CONTENTS • • • • • • • • • Definition Goal Employees Machines Types of maintenance Steps for implementation OEE in TPM 8 pillars References DEFINITION “System to maintain + improve Quantity + Quality Of • machines • Equipments • Process • Employees” GOAL Enhance • Volume of production • Employee morale EMPLOYEE Develop team spirit MACHINES Types of Maintenance Breakdown maintenance Preventive maintenance Corrective maintenance Maintenance prevention Breakdown maintenance Repair the equipment when it fails Preventive maintenance Daily maintenance like oiling, cleaning, retightening for prevention of failure Corrective maintenance Improvement of equipment design and components Maintenance Prevention Indicates the design of new equipment + its comparison with old ones STEPS FOR IMPLEMENTATION 1. Initial evaluation of TPM level of an organization 2. Introductory education and propaganda (IEP) for TPM 3. Form TPM committee 4. Development of master plan for TPM 5. Stage by stage training of employees 6. Implementation preparation 7. Establish TPM policies and goal 8. Development of a road map for TPM implementation OEE IN TPM It measures how productive a process is against the expected productivity of that process Availability Performance Quality 8 Pillars 8 PILLARS Autonomous maintenance Planned maintenance Quality maintenance Focused improvement Early equipment maintenance Education and training Health, safety and environment TPM in office functions Pillar 1:Autonomous Maintenance Responsibility of basic maintenance activities Benefits Operators feel responsible towards machines equipment becomes more reliable Skill levels of workers improve Machines operate at their optimal level Problems are identified and corrected Pillar 2:Planned Maintenance Maintenance scheduled using the historic failure rate of equipment Benefits The number of breakdowns gradually decrease Production functions can continue with their activities Capital investments in machinery are reduced Maintenance is done when the production floor is not very busy Pillar 3:Quality Maintenance Quality ingrained in the equipment so as to reduce defects Addresses the issue of quality by ensuring equipment is able to detect and prevent errors during production It helps in preventing defects from moving down the value chain which only leads to a lot of rework Benefits Defect reduction Profit improvement First time right Pillar 4: Focused Improvement • Use of cross-functional teams for improvement activities Benefits • Wide range of experienced people involved • Improves problem solving capabilities of the workers Pillar 5: Early Equipment Maintenance • Design of new equipment using lesson learnt from previous TPM activities Benefits Ease of cleaning and inspection Ease of lubrication Increased safety features Accessibility of equipment parts New equipment achieves full potential in a short period of time Pillar 6: Education and Training • Bridge the skills and knowledge gap through training of all workers • Through training, operators’ skills levels are raised to the point where they are able to carryout basic maintenance activities • The technical staff are then taught higher level skills to help become more proactive to problem solving Benefits • Employees gain the skills to solve problems Pillar7:Health,safety and Environment • Providing of an ideal working environment devoid of accidents and injuries Benefits Elimination of harmful conditions Workers attitude towards work changes with a resultant increase in productivity Pillar 8: TPM in office functions • Spread of the principles to administrative functions within an organization Benefits • Support functions understand the benefits of these improvements REFERENCES • https://en.wikipedia.org/wiki/Total_productiv e_maintenance • http://www.plantmaintenance.com/articles/tpm_intro.shtml
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