OEE ​Description OEE is the way to Measure Effectiveness OEE, its Application, 16 major losses, 8 equipment loses OEE= Availability x Performance x Quality Availability

1. OEE and its Application
Thilanka Hettiarachchi

11. Availability
loss
Performance
loss
Working Time (hrs)
Total time in one week, month, period
or year
Loading Time (hrs)
The total shift pattern times per week, month,
period or year
Nett Operating Time (hrs)
The amount of time the equipment operates at
rated speed also accounting for minor stops
Value Added Operating Time (hrs)
The amount of time the equipment operates
producing sellable product
Operating Time (hrs)
The amount of time the equipment actually runs,
totalled for a week, month, period or year
Shutdown
loss
Quality
loss
Changeover Losses
Set- ups and adjustments
Minor stoppages
Speed losses
Start- up and shutdown
Failure Losses
Availability loss
Performance loss
Holidays, planned shutdowns
Shut downs loss
Rework and scrap
Quality losses
The 8 Major Loss against Equipment

17. The 16 Major Losses
Calendar Time
Working/Loading Time
Operating Time
Nett Operating Time
Value adding Operating
Time
Manned Time
Loading Time
Working Time
Effective Time
Value-added Time
EquipmentManpower
MaterialsEnergy
Breakdowns
Set- ups and adjustments
Minor stoppages
Speed losses
Rework and scrap
Start- up and shutdown
Material Input
In Process Material
Final Product
Energy Input
Effective EnergyEnergy Losses Material Losses
Product yield Losses
Management Losses
Motion Losses
Measurement Losses
Changeovers
Availability loss
Performance loss
Quality losses
Holidays, planned shutdowns
Shut downs loss
OEE = Availability x Performance x Quality
The 8 Equipment Losses
The 3 Energy/Yield Losses
The 5 Manpower Losses
Line Organisation Losses
Logistic Losses

21. Shut downs loss
Short Break - 30 min
Meal Break - 30 min
Availability/ Downtime loss
Downtime - 47 min
Nett Operating Time
(min)
Value Added
Operating Time
(min)
Working Time ( 480 min )
Loading Time
Working Time -Shot Down Loss
480 min - 60 min
Operating Time
Loading Time -Down Time Loss
420 min - 47min
Quality
loss
52
min
60
min
420
min
47
min
373
min
Operating Time
Rate
( Availability )
Loading time - Downtime
Loading Time
= × 100
Operating Time
Rate
( Availability )
420 - 47
420
=
× 100 = 88.81 %
Performance
Rate
Std. cycle time No. of Produced unit
OperatingTime
= × 100
×
Performance Rate
( Performance)
1/60 19,271
373
=
× 100
×
= 86.11 %
Quality Product
Rate
( Quality)
No. of Produced unit - No. of Defective unit
No. of Produced unit
= × 100
Quality Product
Rate
( Quality)
19,271 - 423
19,271
=
× 100 = 97.80 %
OEE = Availability x Performance x Quality
OEE = 0.87x 0.50x 0.98x100
= 74.79 %
Example OEE Calculation 01
321
min

34. Example OEE Calculation 02
OEE = Availability x Performance x Quality
OEE = 0.75x 0.89x 0.99
OEE = 67 %
480 min. - 120 min.
480 min.
= .75 = 75%Operating Time Rate
( Availability )
=
19325 cans x 1/60 min.
360 min.
= .894 = 89%Performance Rate =
(19325 cans - 125 cans)
19325 cans
= .993 = 99%
Quality Product
Rate
=

37. 10/3/2019