Its one o’clock in the morning and an operator changes a tool on a machine and sets it incorrectly, and a batch of product is delivered out of spec.
The losses incurred include wasted material, possible damage to the tool, disruption of the production schedule, cost of transport to the customer of a new batch, an unhappy customer and time consumed on the post mortem in plant.
So who did it? It’s not always possible to tell, nor to know when the incorrect change actually took place.
What about an RFID solution? In most factories these days, employees have access cards. Connect an RFID reader to each machine so that the operator has to present his access card to the close proximity reader. A software application behind the scene checks his identity, ensures he has access to the machine and logs his entry and exit time.
The question of who, when and where is resolved. You could save a lot of time, trouble and money. .. more ..