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Predictive Monitoring
of Welding Robots

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Industry

Automotive manufacturing

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Asset

Industrial welding robots

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Goal

To develop a software solution to monitor robot health and prevent failures that result in unplanned downtime

Overview

A Tier 1 automotive supplier with over 300 robots was experiencing 25-30 robot failures a year. These failures were caused by unexpected motor breaks and led to a decline in robot accuracy. More than half of the failed motors were being replaced during production, resulting in unplanned downtime.


Solution

At first, the customer conducted a blind study alongside Predictronics to get real-world validation. Factory Sentinel for Industrial Robots detected a faulty motor intentionally installed in one of the customer’s robots, which gave the company enough confidence to initiate the pilot project.

The pilot project monitored 20 welding robots in the customer’s facility for approximately six months. Predictronics designed Factory Sentinel for Industrial Robots, a solution that collects data, conducts analysis and enables customers to visualize health plots and predict unexpected failures.

Value

Factory Sentinel for Industrial Robots predicted the one failure that happened among the company’s 20 robots during the six-month project. In the automotive industry, robot failures can cost up to $400,000. For facility-wide implementation, the potential cost savings could be 15 times higher for that customer, making Factory Sentinel for Industrial Robots a clear return on investment.

Currently, this customer uses Factory Sentinel for Industrial Robots to monitor a total of 50 robots. They plan to continue investigating areas that may benefit from predictive maintenance.