Understanding essential maintenance KPIs: Part 2

Some organizations turn to alternative KPIs such as mean-time between repairs and preventive maintenance compliance.

In our last post, we addressed three essential key performance indicators: mean-time between failures, mean-time to repair and overall equipment effectiveness. Of course, these are not the only productivity metrics that often prove useful on the shop floor. Some organizations turn to alternatives such as mean-time between repairs and preventive maintenance compliance. How are these KPIs deployed in the operation?

Mean-time between repairs
This KPI accounts for the intervals between repairs. Like mean-time between failure, MTBR measures overall asset reliability, according to Pumps and Systems. However, it also takes into account internal performance expectations, as well as baseline machine capabilities. This means maintenance crews must calculate the MTBR by measuring the time it takes for an out-of-commission asset to regain its full function and match previously established production productivity indicators.

Most organizations divide the total number of shop-floor assets by the number of repairs performed in a measured time span. For example, an lean manufacturing operation with five mission-critical machines that has recorded two repairs over the period of one fiscal year would have an MTBR measure of 2.5 months.

When confronted with this KPI, adopters often attempt to apply it on a per machine basis, calculating separate MTBR figures for every one asset. This approach obviously works. However, there are broader methods for MTBR application. Organizations can calculate work-group-specific measurements to judge the reliability of entire production lines, according to Maintenance Technology.

"Like mean-time between failure, MTBR measures overall asset reliability."

Preventive maintenance compliance
Preventive maintenance strategies have become industry-standard across myriad manufacturing and industrial sectors. Today, organizations of every shape and size use these methodologies to monitor key equipment, stave off failure and maintain supply chain continuity. Of course, most realize that compliance indicators are essential to success, as maintenance personnel must execute jobs in a timely fashion to reap the financial and operational benefits that come with PM plans, Plant Engineering reported.

Additionally, by tracking PM compliance, companies can measure the state of their shop-floor assets, understanding that regularly maintained machines can meet production targets and remain operational, without major intervention. How do industrial businesses with PM programs audit for compliance?

In most cases, this task involves deploying complementary digital tools such as computerized maintenance management systems, which allow supervisors to configure job alerts and easily access asset repair histories. Plus, these platforms keep staff accountable, offering easy-to-use record-keeping features that are far more effective than traditional paper-based methods.

MTBR and PM compliance are effective KPIs that work well within all types of operations, giving maintenance staff the power to track the performance of key shop-floor fixtures and gain the insights needed to cultivate efficient, dependable workflows.

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