Troubleshooting Challenge

Here is a complete list of all Troubleshooting Challenge columns, presented by Bob Sheaf of CFC Industrial Training, a Div. of CFC Solar...

Take the challenge...

What causes erratic cylinder motion...

Our latest Troubleshooting Challenge can be found on page 22 of the December issue of Hydraulics & Pneumatics. It involves a roll changer circuit at a steel mill.Contributing author, Bob Sheaf, continues his challenge to Hydraulics & Pneumatics readers with his column in December titled, Regen...

More to come...

During a circus act, a clown balances on a platform resting on the end of a 60-ft pole. The platform has a double rail on all four sides, and the top rail is about waist high. The clown acts like he is trying to cause the pole to sway back and forth, which causes it to break loose and drop to about...

Bob Sheaf of CFC-Solar is a real fluid power expert.  We are very fortunate at H&P to associate with Bob and he writes a column every month titled Troubleshooting Challenge and it has become an ausience favorite...

A company in Italy has a wire drawing machine that makes specialty wire for the aerospace industry. A shuttle driven by a hydraulic motor clamps the beginning of the alloy wire and pulls it through a forming die. Maintaining proper tension on the wire is important, and the pulling force from the...

A contractor was awarded a contract to build a hydraulic system that needed 60 gpm flow at up to 1000 psi, then a controlled flow from 20 down to 3 gpm in 12 sec, then up again to 2200 psi. It then had to return at full speed with a maximum required return pressure of 600 psi. They were told to...

As the economy started improving after the recent downturn, several hydraulic distributors were adding new people that sometimes got in over their head designing circuits for their customers. We received a call from a new salesman asking for our help in solving problems he was having with a system...