Steel Scrap Compactor Eject Cylinder Running Slow
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training We received a call from a stamping company …
Rotating Stage’s Hydraulic Motor Keeps Leaking
A large entertainment stage is rotated by a Geroler type hydraulic motor shown on the circuit. The regenerative center position on the directional valve …
Clamp and Drill Circuit Will Not Release the Part
A new hydraulic system was installed on an old “Clamp and Drill” machine. A PLC would shift a directional valve clamping the part and a proximity switch …
Cylinder Speeds Up On Its Own
An aluminum mill has a system that pushes a large aluminum ingot from one conveyor to another. The operator complained that the pushing speed kept increasing …
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