Figure It Out
By Robert Sheaf
CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training
Cylinder Speed Increases on a Forming Press
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training A forming press had a 3-inch cylinder that …
Electric Motor Blowing Overloads
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training We were called out to trouble shoot a problem on …
Banging Damages Pipes and Fittings
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training A manufacturer of various size steel drums had a …
Ram Does Not Retract on a Forming Press
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training The circuit shown here was a press I designed …
Strange Noise When Starting a Hydraulic Motor
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training A steel mill reported a strange noise at one of …
Main relief valve keeps coming apart in manifold.
A meat processor has several meat dumping machines. The machines load a tub on a lift that would rotate up and tip, dumping meat into a grinder. The processor …
New Problem: Ram Falls on a New Installation
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training A new press was installed in a factory that …
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 …
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 …
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 …
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