Fluid Power Journal

Pressure-reducing Valve Would Not Reduce the Pressure

By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training A steel processor had purchased a used machine …

Noisy Pump Causing Foam to Escape Through the Filler Breather

By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training I was called to troubleshoot a foaming problem …

New Problem: Ink Mixing Machine Speed Problems

By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training A large OEM ink manufacturer of various printer …

Cable Puller Motor Speed Problem

By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training A contractor for a power and light company was …

Piston Pump Keeps Failing on a Large Shear

By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training   The piston pump that provides flow to two …

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 …

Concrete Truck Hydrostatic System Overheats When Carrying a Full Load

By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training When I had my hydraulic repair shop several …

Changing Cylinder Size Causes A Drifting Problem

A customer of ours bought a machine that had a damaged cylinder that needed to be replaced. The rod was bent, and they ordered a replacement cylinder with a …

Large Punch Press Cylinder Stutters On Downward Extension

An OEM had a hydraulic distributor design an HPU for a punch press he wanted modified to punch large stainless-steel discs that were then sent to a forming …

Injection Molding Machine Not Up To Speed

  I was asked to help a student of ours with an injection molding machine that had trouble with the Extruder/Injection unit motor running slow. They …

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