Total Productive Maintenance Dr Neil Towers Fashion Operations

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Total Productive Maintenance Dr Neil Towers Fashion Operations Management

Total Productive Maintenance Dr Neil Towers Fashion Operations Management

Learning Objectives n To understand the concept of Total Productive Maintenance (TPM) n To

Learning Objectives n To understand the concept of Total Productive Maintenance (TPM) n To be able to assess the impact of failure for a fashion operation

Definition n “the maintenance management carried out by all employees through small group activities

Definition n “the maintenance management carried out by all employees through small group activities that recognises the importance of reliability, service and efficient operation” Adapted from Slack et al, 3 rd ed, 2001, p 659

Why systems fail Failures inside the operation Supply failures Design failures Facilities failures Staff

Why systems fail Failures inside the operation Supply failures Design failures Facilities failures Staff failures Customer failures

Causes of Failure n n n Design failures Facilities failures Staff failures Supplier failures

Causes of Failure n n n Design failures Facilities failures Staff failures Supplier failures Customer failures

How failure is detected analysed Failure detection mechanisms include: - in-process checks; - machine-diagnostic

How failure is detected analysed Failure detection mechanisms include: - in-process checks; - machine-diagnostic checks; - point-of-departure interviews. Failure analysis procedures include: - accident investigation; - failure mode-and-effect analysis; - fault-tree analysis.

5 Goals of TPM n n n Improve equipment effectiveness Achieve autonomous maintenance Plan

5 Goals of TPM n n n Improve equipment effectiveness Achieve autonomous maintenance Plan maintenance Train all staff in relevant maintenance skills Achieve early equipment management

Recovery strategies for dealing with failure Plan Failure analysis - possibilities Recovery planning -

Recovery strategies for dealing with failure Plan Failure analysis - possibilities Recovery planning - procedures Discover The facts - what has happened? The consequences Act Learn Inform, contain and follow up Find the root cause Prevent it happening again

Failure analysis n n n Accident investigation Product liability Complaint analysis Critical incident analysis

Failure analysis n n n Accident investigation Product liability Complaint analysis Critical incident analysis Failure mode and effect analysis

Assessing Failure n Failure rate n Reliability n Availability

Assessing Failure n Failure rate n Reliability n Availability

How failure is measured Normal-life stage Wear-out stage Failure rate Infantmortality stage Time

How failure is measured Normal-life stage Wear-out stage Failure rate Infantmortality stage Time

Fashion Operations issues n Extended geographic supply chains – Long distances – High transit

Fashion Operations issues n Extended geographic supply chains – Long distances – High transit times n Multiple intermediaries – Agents, Wholesalers, Logistics operators Customer Service n Intensive selling season – Compressed timescale n High customer expectations – Focus on satisfaction