The testing station cannot see the future. It can only see the now.
That valve that passed? The one with the 5.001mm stroke? In six months, in a humid operating room in Jakarta, the brass will expand by 0.002mm due to temperature. The spool will stick. The bed’s pneumatic mattress will deflate slowly overnight. No alarm. No failure. Just a patient waking up in a pool of sweat, feeling like they’ve been falling. festo testing station
But here is the tragedy the machine cannot process: That failed valve cost $0.47 in raw brass. It took 14 minutes of CNC time, 3 minutes of deburring, 2 minutes of cleaning. It represents 19 minutes of a machinist’s life, 19 minutes of electricity, coolant, tool wear. And the testing station condemns it in 4.2 seconds. The testing station cannot see the future