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Insights

Overload Protection Without Lost Production

PROBLEM A large grinding mill suffered from sporadic overloads during jam ups. Originally, without any form of overload protection, the pinion shaft would fail. It was decided to add a shear pin protection device. This did protect the equipment, however it did not eliminate […]

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Stopping Brownouts

PROBLEM A local sand and gravel operation had a problem starting their large sand pump. Every time they started, the high electric power draw resulted in reduced voltage to their residential neighbors. This brownout was not acceptable. Reviewing the situation, they found that the […]

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Torsional Vibration Damages Tug Clutch

PROBLEM This customer had just replaced the friction plates in his forward and reverse clutches. The next morning they had picked up a barge and had headed out the inlet. Shortly after reaching full ahead, smoke began to fill the engine room. Unable to […]

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Ferry Boat Propulsion Clutch Life

PROBLEM Our customer operates three ferries around the clock, year round. They are able to schedule dry-docking one at a time, and only one vessel per year. They are faced with making repair/replacement decisions to guarantee no downtime, but faced with a limited budget. […]

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Shipyard Crane Brake Upgrade

PROBLEM Our customer is a large shipyard operating over 400 cranes and the operation is over 100 years old. A number of these cranes and brakes are now obsolete. This makes maintenance extra tough. They had one brake which required continuous attention and still […]

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Torsional Vibration Damages Tug Clutch

PROBLEM This customer had just replaced the friction plates in his forward and reverse clutches. The next morning they had picked up a barge and had headed out the inlet. Shortly after reaching full ahead, smoke began to fill the engine room. Unable to […]

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Drive Overload Protection

PROBLEM From time to time, the propeller would strike a log or piling instantly shearing the pinion shaft in the reduction gear. This resulted in costly rebuilds and downtime on a regular basis. SOLUTION The existing drive configuration, a typically tight marine envelope, limited […]

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Tug Clutch Update

PROBLEM Over the life of a vessel, you typically find maintenance costs increasing. Our customer found this particularly true of their forward and reverse clutches. SOLUTION We were able to come up with an alternate design which has consistently operated with significantly lower maintenance […]

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Ship Smokes Due To Wrong Coupling

PROBLEM A vessel’s operator contacted us because the starboard clutch had overheated. Within twenty-four hours, we were on board to check it out. This ship was being returned to service after being layed up for two years. SOLUTION A review of the propulsion system […]

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Gantry Crane Arm Mount

PROBLEM During an equipment update our customer had the challenge of finding the best way to connect the gantry arm to the base. To complicate matters, the installation was on a ship’s deck with heavy exposure to salt water. SOLUTION We were able to […]

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