TPM METHOD(ppt 38)

RELIABILITY INDICATOR = MTBF   (mean time between failure)       
It is the average duration in minutes during which the machine or the installation functioned without any stoppages.

The stoppages are:
- machine breakdowns
- breakdowns related to tools
- breakdowns related to the product
- stoppages for change-overs (used or broken)
- stoppages for frequent adjustments
- stoppages for inspection (SPC sampling)
- stoppages for maintenance  Stoppages for tool change-overs are not taken into account

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