Lincoln Electric IM8000 CHECKPOINT - Manual (Page 119)

Calculations of OEE in CheckPoint™ Chapter 9. Overall Equipment Efficiency (OEE)
IM8000 CheckPoint™ User Manual 9.5
Calculations of OEE in CheckPoint™
CheckPoint™ uses various data points from the Welding Power Source, as well as the Planned Downtime
specified in the CheckPoint™ Manager (page 9.10) to make your OEE calculations. Once CheckPoint™
calculates the Availability, Performance and Quality, it can then calculate your OEE percentage.
Figure 9.6 OEE Tab Example – Today
The following sections explain the OEE percentage, as well as each OEE factor, in detail. These calculations
apply to any time period for which you generate a report.
TIP | For additional examples of calculating OEE, please see
Appendix B.
OEE Percentage
The OEE percentage encompasses three production factors: Availability, Performance and Quality.
CheckPoint™ uses the following formula to calculate OEE:
ܱܧܧ = ܣݒ݈ܾ݈ܽ݅ܽ݅݅ݐݕ × ܲ݁ݎ݂݋ݎ݉ܽ݊ܿ݁ × ܳݑ݈ܽ݅ݐݕ
For example, CheckPoint™ has made the following calculations for Power Wave S350 welder at Advanced
Manufacturing (Figure 9.6):
ƒ Availability: 90% (or .90)
ƒ Performance: 95% (or .95)
ƒ Quality: 99% (or .99)
ܱܧܧ = (. 90 Ч .95 Ч .99) Ч 100 = 85.0%
Availability Factor
The Availability factor compares an asset’s actual Operating Time to the Planned Production Time for that asset. The
OEE calculation is represented by the following formula. * All times listed in minutes.
Table 9.2 on page 9.6 explains all these variables in more detail and where the data points exist in
CheckPoint™.
ܣݒ݈ܾ݈ܽ݅ܽ݅݅ݐݕ =
ܱ݌݁ݎܽݐ݅݊݃ ܶ݅݉݁
݈ܲܽ݊݊݁݀ ܲݎ݋݀ݑܿݐ݅݋݊ ܶ݅݉݁
=
(݈ܲܽ݊݊݁݀ ܲݎ݋݀ݑܿݐ݅݋݊ ܶ݅݉݁ െ ܷ݊݌݈ܽ݊݊݁݀ ܦ݋ݓ݊ݐ݅݉݁)
݈ܲܽ݊݊݁݀ ܲݎ݋݀ݑܿݐ݅݋݊ ܶ݅݉݁