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dc motor failure

Sawmill DC Motor

Last summer, we received a call from the maintenance manager of a large sawmill. To get an idea of equipment size, this large bandsaw cuts 6’ diameter tree trunks into quarter pieces. A large carriage carries the log and feeds it into a large bandsaw with a blade that is 12” wide. The quarter pieces then go to smaller saws to cut slab boards. The complaint was that the large DC mill motor was making noise. Our field service supervisor, Jim Delawder, investigated and found that the banding on the commutator end of the armature had fractured and was flopping against [...]

Sawmill DC Motor2022-01-28T17:14:56-05:00

Keeping a Plane Safe at 35,000 Feet

Aircraft Engines are the beating heart of an airplane. We, as passengers expect them to run free of mechanical errors and keep us safe in the air no matter what happens: bad weather, geese, etc. The manufacturers of these engines test them extensively to make sure they are built well. Horner gets to be involved somewhat in keeping those testing facilities up and running. An aircraft engine manufacturer needed repair and maintenance on a 6,000 HP Compressor Motor. The compressor furnishes air for testing aircraft engines. It is run on a Dynometer which we have also repaired in the past. The [...]

Keeping a Plane Safe at 35,000 Feet2021-01-09T00:04:12-05:00

Made In Japan, Rebuilt In The US

Everyone is well aware of the quality of Japanese autos in today’s market. In the 1980’s, the Japanese raised the quality bar in the automotive industry, resulting in cars that were of a higher quality and remained in service for many more miles than most of the domestic autos of that time. This off-shore challenge resulted in the upgrade of quality for all American automakers, just to remain in business. This quality concept also applies to the motor repair business and is why our company has Quality Manager like Vernon Pratt, to help us keep quality at the forefront of our [...]

Made In Japan, Rebuilt In The US2020-03-12T15:46:06-04:00

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