tailieunhanh - Lecture Operations management (11/e): Chapter 14S - William J. Stevenson

Supplement to chapter 15 covers maintenance aspects in operations management. Maintaining the productivity capability of an organization is an important function. Maintenance includes all of the activities related to keeping facilities and equipment in good operating order and maintaining the appearance of building and grounds. | Maintenance McGraw-Hill/Irwin Copyright © 2012 by The McGraw-Hill Companies, Inc. All rights reserved. You should be able to: Explain the importance of maintenance in production systems Describe the range of maintenance activities Discuss preventive maintenance and the key issues associated with it Explain breakdown maintenance and name the key issues associated with it State how the Pareto phenomenon pertains to maintenance decisions 14S- Student Slides Maintenance All activities that maintain facilities and equipment in good working order so that a system can perform as intended Maintenance activity categories: Buildings and grounds Equipment maintenance 14S- Student Slides The goal of maintenance is to keep the production system in good working order at minimal cost Reasons for wanting to keep equipment and machines in good operating condition: Avoid production or service disruptions Not add to production or service costs Maintain high quality Avoid missed delivery dates . | Maintenance McGraw-Hill/Irwin Copyright © 2012 by The McGraw-Hill Companies, Inc. All rights reserved. You should be able to: Explain the importance of maintenance in production systems Describe the range of maintenance activities Discuss preventive maintenance and the key issues associated with it Explain breakdown maintenance and name the key issues associated with it State how the Pareto phenomenon pertains to maintenance decisions 14S- Student Slides Maintenance All activities that maintain facilities and equipment in good working order so that a system can perform as intended Maintenance activity categories: Buildings and grounds Equipment maintenance 14S- Student Slides The goal of maintenance is to keep the production system in good working order at minimal cost Reasons for wanting to keep equipment and machines in good operating condition: Avoid production or service disruptions Not add to production or service costs Maintain high quality Avoid missed delivery dates 14S- Student Slides Reactive: Breakdown maintenance Dealing with breakdowns or problems when they occur Proactive: Preventive maintenance Reducing breakdowns through a program of lubrication, adjustment, cleaning, inspection, and replacement of worn parts 14S- Student Slides The goal of preventive maintenance is to reduce the incidence of breakdown or failures in the plant or equipment to avoid the associated costs Loss of output Idle workers Schedule disruption Injuries Damage to other equipment, products, or facilities Repairs Inventories of spare parts Repair tools and equipment Repair specialists 14S- Student Slides It is periodic It can be scheduled according to the availability of maintenance personnel and to avoid interference with operating schedules Maintenance is scheduled using some combination of The result of planned inspections that reveal a need for maintenance According to the calendar (passage of time) After a predetermined number of operating hours 14S-