The Frame That Wobbled: Aluminum Extrusion Sizing, Not a Defect A 40×40 aluminum extrusion frame for a machine. It wobbled under load. The customer thought the extrusion was defective. The wall thickness was 2 mm…
The Poka-Yoke That Caught the Missing Screw: Detecting, Not Relying on the Operator An assembly station where the operator installed 4 screws. Sometimes he missed one. The product shipped. It came back. We added a…
The Operator Who Made Mistakes: Aids and Cues, Not Training An operator loading parts into a fixture. Every 50 cycles, he loaded a part backward. The machine ran, but the part was wrong. We trained…
The Packaging Line That Jammed: Mismatched Boxes, Not a Conveyor Fault A packaging line folding and sealing cardboard boxes. It jammed every 20 minutes. The boxes came from a supplier. Some were the wrong size….
The Recall That Needed Data: Traceability, Not a Quality Issue A batch of parts came back from the field — a batch of 500 had a missing screw. The customer needed a recall. But the…
The Label That Was Crooked: Tamp-Blow Labeler Setup, Not Label Quality A label applicator on a packaging line. The labels came out crooked — off by 5 degrees. The customer thought the labels were wrong….
The Glue That Dripped: Dispense Valve Control, Not Glue Viscosity A glue dispensing station applying adhesive to plastic housings. The glue dripped between cycles — a bead of glue on the part after the dispense,…
The Press That Bent the Part: Force Monitoring, Not Just Limit Switches A pneumatic press assembling a plastic part. The press applied 500 N for 2 seconds. Some parts came out bent. The press’s limit…
The Vision That Couldn’t See: Lighting, Not Camera Resolution A vision system reading a laser-etched code on a shiny metal part. The camera couldn’t read the code — the image was washed out by reflections….
The Palletizer That Dropped the Boxes: Stacking Accuracy and Dropped Layers A robotic palletizer stacking cardboard boxes on a pallet. The boxes shifted on the pallet — the stack leaned. Every 10 layers, the top…
The Pick-and-Place That Missed the Takt: Cycle Time Budgeting A pick-and-place cell with a 10-second cycle requirement. The actual cycle was 14 seconds. The customer needed 10 seconds. We didn’t buy a faster robot. We…
The Wire That Was the Wrong Color: Wiring Standards and Serviceability A machine built with red wires for everything. The maintenance electricist couldn’t tell the 24V from the 0V from the signal. When a sensor…
The Cable That Pulled Out: Cable Glands and Strain Relief A cable entering a control panel through a drilled hole. No gland. The cable was free to move. Over months of machine vibration, the cable…
The 24V Supply That Dropped: Sizing the Control Transformer A 24V DC power supply feeding 20 sensors, 10 relays, and 5 solenoid valves. Under load, the voltage dropped to 21V. The sensors started dropping out….
The Motor That Burned (No Overload): Duty Cycle and Thermal Protection A 0.5 kW gearmotor running a conveyor. It burned out after 3 months. The motor overload (thermal relay) didn’t trip. The motor was rated…
