Manual quality control has its limits, and they are not always visible at first glance. Here are 5 signals that should alert you!
1. Your non-compliance rates vary depending on the time of day
A quality operator detects an average of 80% of visual defects at the beginning of their shift. This rate drops significantly after a few hours of continuous inspection, and even more so at the end of the day. If your non-conformity statistics follow the same pattern, it is a sign of structural visual fatigue, not a competence issue.
2. Defective parts are regularly reported on the client side
Some defects that slip through the cracks are never trivial. On a high-speed production line, even a rigorous inspection statistically allows a percentage of non-conforming parts to pass. When these returns become recurrent (claims, returns, contractual penalties), it indicates that human visual inspection has reached its limit of reliability.
3. Quality control takes up too much operator time on repetitive tasks
Manual visual inspection is a repetitive task with a high cognitive load that ties up qualified personnel on low-value checks. This is time that could be reinvested in continuous improvement, root cause analysis, or supporting production teams.
4. Your quality traceability still relies on paper or Excel
Paper forms, manually filled spreadsheets: this data is difficult to exploit to identify trends or trace back to the root cause of a deviation. When a non-compliant batch is detected at a customer, finding the source of the problem can take days, sometimes weeks: a delay that few companies can afford.
5. You do not know precisely how much poor quality is costing you
Scraps, rework, customer returns, penalties: the cost of non-quality represents on average 5 to 15% of the revenue of manufacturing companies according to AFNOR. If this data is not tracked precisely in your organization, it is highly likely that the issue is underestimated.
So, do you recognize yourself in one or more of these signs on your production line?
An audit of your quality control processes allows for the precise identification of the areas where automation will have the greatest impact.
Ready to improve your industrial performance ? Contact us for an audit of your quality processes!
info@coda-systemes.com | 01 40 43 91 80