Quality control isn’t optional in the manufacturing business—between legal compliance and our own standards for our products, quality control is a large part of what we do on our factory floors. But when you’re using a high degree of automation, quality control is a bit more complex.
If you wait for someone at the end of the process to notice a flaw, you may have produced thousands of units with flaws. A QA Cycle, in which you pull product every fifteen minutes or so to check quality, allows you to catch problems earlier.
Still, having workers conduct their own quality assurance checks can be impractical. Line workers are often most sensitive to time, since their pay may be related to production, rather than to quality. We’ve heard of cases in which line staff have disabled safety mechanisms in order to keep the line running faster; being diligent about quality is hard when there’s a lot of pressure on throughput.
A QA team can be a more realistic option. Team members can float in the factory, checking product regularly. They have no dog in the hunt, since their success isn’t based on speed or production.
If quality issues are related to machine performance rather than to human error, it can make sense to stop the machines and find the problem before continuing — in fact, it’s almost certainly more cost-effective than ending up with a load of scrap or a pile of irregulars. But who will stop and restart?
If it’s going to be the QA team, be proactive. Post photos or video showing how to safely stop and restart the machinery without creating more problems.
If you find that your weakest link in your factory is your quality control’s relationship with your Rexroth or Indramat servo, we’re here to help. Give us a call at 479.422.0390 or us our contact us form to get in touch with us. We repair Rexroth and Indramat servo drives and servomotors in less time than others with better quality repairs. Don’t trust someone else with your quality control.