Understanding Wrench Time: Insights from Maintenance Data Analysis
- Published
- Source
- AutomationWorld.com
When a machine halts, the plant's systems begin tracking downtime, with the MES logging the duration until the machine resumes operation. Technicians document hours against work orders in the CMMS, but these records do not reveal how much of their shift was dedicated to repairs. Luigi De Bernardini, CEO of Autoware, emphasizes the importance of defining normal operations versus losses in MES/MOM systems to ensure accurate analytics.
Wrench time, defined as the productive hours technicians spend on repairs, typically averages around 35% across maintenance crews, according to Doc Palmer. Proper planning and scheduling can potentially increase this figure to over 55%. However, Palmer warns that wrench time alone does not indicate the efficiency of the work performed or the value of the job itself. Instead, it is essential to consider the entire downtime event and the various delays that occur during repairs.
Autoware's focus on wrench time highlights the need for accurate measurement and understanding of maintenance processes. The National Institute of Standards and Technology (NIST) notes that many manufacturers do not adequately record the various elements of downtime, which can lead to inflated figures. No further timeline was disclosed at the time of publication.
Original report
What Your Maintenance Data Can And Can't Tell You About Wrench Time
AutomationWorld.com · Luke HamerThis briefing is an independently written summary based on publicly available reporting and is provided for industry information and news discovery. The original report and source publication are credited and linked where applicable. RobotToday does not claim ownership of third-party source material.
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