Figure It Out
By Robert Sheaf
CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training
I was asked to help inspect a 4″ bore, 2″ rod cylinder that had a 40″ stroke and an 8″ stop tube. It had a D05 size mounting pad …
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 …
In the food and pharmaceutical processing industries, leaking actuators can contaminate products and increase waste, not to mention the possibility of …
A well-known actor had a small elevator installed in his mansion that sits on top of a Tennessee mountain. He wanted it to lift two people up 20 feet to a …
A processing plant in Pakistan had a walking-beam system that would move coils of finished product to shipping for processing. Several “pot-belly” …
A casting company had a large heat treat furnace used in its process of making knuckles and suspension components for major automakers. These …
Click on image to enlarge A small heated platen press for an aerospace parts manufacturer would close and hold pressure for 1 to 3 hours based on the part …
Years ago we built the complete hydraulic system for a continuous steel caster at a steel producer. The HPU had a 300-gallon reservoir with 6 pumps each driven …
A hydraulic distributor hired a sales engineer for a new territory they were moving into. The first customer the engineer visited requested a quote on a …
I loaned my log splitter to a friend whose tree fell after a storm. The tree was a blue spruce evergreen about 30-ft. tall. It surprised me that the tree’s …
A simple circuit was designed to lift a service elevator up from the basement to the third floor. The HPU had a pressure-compensated pump and a three-position …
A drill rig operator was complaining about a knocking noise coming from his top-drive HPU. It controlled a hydraulic motor that drove a winch attached to the …
A hydraulic power unit operating a rock-crushing machine had erratic pressure problems, causing the crusher to stall when the pressure seemed to relieve at a …
Workers at a private contractor that makes torpedoes for the U.S. Navy were having a problem with an assembly line directional valve coil that would burn out …
A forging and stamping company had problems with overheating on a press. The company had several identical presses, and only one had been overheating for some …
Page 4 of 5« First«...345»
