page. 1 partners for creative solutions, inc. 36 deerfield rd, shrewsbury, ma 01545 508 845-1546...
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Partners for Creative Solutions, Inc.36 Deerfield Rd, Shrewsbury, MA 01545508 845-1546 [email protected]
Total Productive MaintenanceTotal Productive Maintenance
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TPM Training AgendaTPM Training Agenda
TPM – History, benefits and typical results Definition and “5 Pillars” of TPM The “6 Big Losses” Autonomous Maintenance Maintenance Prevention Setting Standards & Sustaining the Benefits TPM and Safety The Advisory Team Equipment Improvement Teams (EIT’s) TPM vs. 5S Summary of TPM topics
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Origins of TPMOrigins of TPM
Breakdown maintenance (RTF) - historical
Preventive Maintenance concept – introduced in1951
Productive Maintenance introduced later Included
Preventive maintenance Improvement-related maintenance Maintenance prevention
Still primarily maintenance department Never achieved zero breakdowns or defects
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Origins of TPMOrigins of TPM
Total Productive Maintenance Brought operators into the picture Small group activities Teamwork between operators and maintenance Involvement & support throughout the company
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No Tolerance for Breakdowns No Tolerance for Breakdowns
Equipment breakdowns impact Customer service Production costs Maintenance costs Effectiveness of “manufacturing cells” or “flow
lines”
Breakdowns result in “chaos”
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The Last 50 YearsThe Last 50 Years
In the 1950’s, about 70% of durable goods sold in the world were made in the U.S. …today << 10%
In the 1950’s, there were over 25 U.S. television manufacturers …by the early 1990’s, only 1 (Zenith) …today??
In the 1950’s, the largest growing job was in manufacturing…not the case today!!
Most manufacturing industries are fighting a war to survive!
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Benefits of TPM to the CompanyBenefits of TPM to the Company
Improved plant productivity and capacity
Lower operating costs
Improved equipment lifespan
Better ability to satisfy customers
Bottom Line: TPM increases long-term viability
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Benefits of TPM for Operators & Maintenance Personnel
Benefits of TPM for Operators & Maintenance Personnel
Increased skills through additional training
Better job satisfaction Operators – More involvement in solving annoying
equipment problems Maintenance – More challenging work
Better job security
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Typical TPM ResultsTypical TPM Results
Overall equipment effectiveness up 25-65%
Quality defects down 25-50%
Maintenance expenditures down 10-50%
Percent planned vs. unplanned maintenance increased 10-60%
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DefinitionDefinition
TPM is a company-wide system developed to maintain, monitor, and improve all capital assets of a company. For production it is a system that maximizes equipment effectiveness and maintains product flow. TPM is not just about “maintenance”. It is about
getting the most overall benefit from your equipment over the life of the equipment.
TPM will not be an overnight success. Implementing it throughout a plant correctly will take several years.
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Shift in AttitudesShift in Attitudes
Operator Maintenance Operator Maintenance
Conventional TPM
I use I maintain &I fix
We maintain
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5 Pillars of TPM5 Pillars of TPM
1. Improvement activities designed to increase equipment effectiveness (OEE)
2. Autonomous maintenance program performed by equipment operators
3. A planned maintenance system
4. Training to improve operation & maintenance skills
5. Effective new equipment design and startup
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TPM Emphasizes PreventionTPM Emphasizes Prevention
Three Principles of Prevention
1. Maintain normal conditions
2. Early discovery of abnormalitiesa) Operatorb) Maintenance
3. Prompt response
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The Six Big Equipment LossesThe Six Big Equipment Losses
1. Breakdowns
2. Setups and adjustment
3. Idling and minor stoppages
4. Speed
5. Quality defects and rework
6. Start-up (loss of yield)
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Overall equipment effectiveness = Availability x Performance rate x Quality rate (OEE)
BreakdownSetup and adjustment Others Idling & minor stoppages
Reduced speed
Quality defects & reworkStart-up yield
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Operation time (Scheduled time available – Downtime)Availability = ______________________________________________ x 100
Scheduled time available
processed amount x ideal cycle timePerformance rate = _____________________________
Operation time
Quality rate = Amount good / amount produced
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Improving OEEImproving OEE
1. Measure the extent of the 6 big losses
2. Analyze the causes (but focus your efforts )
3. Develop solutions & create an improvement plan
4. Set targets and estimate the benefits to OEE
5. Carry out the plan
6. Establish measurements to monitor results
7. Repeat as necessary
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Eliminating BreakdownsEliminating Breakdowns
Workplace Conditions Contribute to Losses Filthy equipment
Oil and lubricant leaks
Moving parts encrusted with raw materials or debris
Disorderly wiring, hoses, etc.
Equipment mechanisms hidden or difficult to access
Workplace disorder
A belief that conditions cannot improve
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Eliminating BreakdownsEliminating Breakdowns
Why machines fail Disregard for basic needs (housekeeping, lube..) Incorrect operating conditions Lack of skill or knowledge of operator Machine deterioration
Routine Accelerated
Design deficiency
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Eliminating BreakdownsEliminating Breakdowns
Two kinds of breakdowns Function loss (function completely lost) - Sporadic Function reduction (works, but with loss of speed or
quality) - Chronic
Two kinds of breakdown maintenance Planned (pre-emptive) Unplanned (firefighting)
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Autonomous MaintenanceAutonomous Maintenance
The principal way production workers participate in TPM
Purpose1. Brings production & maintenance people together to
slow routine deterioration and halt accelerated deterioration
2. Helps operators learn more about their equipment (the cause and effect)
3. Prepares operators to be active partners with maintenance and engineering in improving equipment performance and reliability
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Steps to Implementing Autonomous Maintenance
Steps to Implementing Autonomous Maintenance
Step 1: Initial cleaning and inspection
Step 2: Eliminate sources of contamination and inaccessible areas
Step 3: Develop and test cleaning, inspection, and lubrication standards
Step 4: General inspection training and inspection procedures
Step 5: Conduct autonomous general inspections
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Steps to Implementing Autonomous Maintenance
Steps to Implementing Autonomous Maintenance
Step 6: Organize and manage the workplace
Step 7: Ongoing autonomous maintenance and continued improvement
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An advanced Improvement methodAn advanced Improvement method
Maintenance PreventionDesign-stage activities aimed at making new equipment
reliable, easy to care for, and user friendly
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Sustaining TPMSustaining TPM
Audits Visual activity boards
Team charter Team activities, goal, schedule, and progress Cleaning, inspection, and lubrication standards Workplace organization standards Trend charts for each of the big 6 losses Inspection reports Audit results Before and after photos
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TPM and SafetyTPM and Safety
Safety is the cornerstone of
production activities
Accidents usually occur when unsafe
behavior is combined with
unsafe conditions
For every major accident there are
29 minor accidents and 300 near misses
Safety should always be the #1 priority
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Setting Up a TPM StructureSetting Up a TPM Structure
EIT
EIT
EIT
EIT
EIT
EIT
TPMAdvisory
TeamMgmt
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Advisory Team - ResponsibilitiesAdvisory Team - Responsibilities
Guide & champion TPM implementation
Assess current equipment OEE and develop a process for measuring the “6 big” losses
Develop a TPM master plan
Set plant-wide standards for TPM implementation
Monitor and evaluate progress
Serve on EIT’s
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Equipment Improvement Teams - Responsibilities
Equipment Improvement Teams - Responsibilities
Return equipment to near new condition
Investigate and reduce the “big 6” equipment losses
Transfer routine maintenance skills to operators
Set standards for routine maintenance and inspections by operators
Organize the work area for more effective/efficient maintenance
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Setting Goals for Your TPM ProgramSetting Goals for Your TPM Program
Short term – 12 months Establish an autonomous maintenance program for “x”
machines Increase OEE by “y”% within for individual work
centers
Long term – Reach a plant OEE of 85% within 3 years (world class is considered about 85%)
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Comparing TPM to 5SComparing TPM to 5S
5S emphasizes Productivity of workers Organizing and visual indicators
TPM emphasizes Effectiveness of equipment Partnership between maintenance & production Reducing lifetime equipment costs
Both emphasize Initial cleaning and repair Safety
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Shift in Equipment Maintenance Activities
Shift in Equipment Maintenance Activities
Breakdown
PM
Planned repair
FROMTHIS
to
Autonomous
PM
Predictive
Planned repair
Breakdown
THIS
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Review of TPM’s benefitsReview of TPM’s benefits
For the company Higher Overall Equipment Effectiveness Less “firefighting” to repair machines Lower operating costs Better able to meet commitments to customers Improved ability to compete in the world marketplace
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Review of TPM’s benefitsReview of TPM’s benefits
For employees Less pressure on maintenance for urgent repairs Less pressure on production to recover from
breakdown losses Better cooperation between maintenance, production,
and other departments Reduced chance of accidents Higher job satisfaction Improved job security