synchronous motor

Slip Ring Rebuild

A customer called overnight because they had a slip ring failure on one of two synchronous motors and that halted production. Horner was on site in the morning to assess the situation and it was determined that an on site repair was not feasible. The unit was disassembled and transported to the Terre Haute shop for rebuild. By securing customer supplied brushes, brushholders (which are now obsolete), Horner stock to fabricate insulators and with the help of Horner Machining Services, we were able to have the unit back on site within just a few days. Horner was onsite for the eight [...]

Slip Ring Rebuild2023-03-03T11:44:31-05:00

Finish Ball Mill Motor

A 1350 HP Synchronous Motor out of a cement plant in Ohio was called out to bid and Horner won that bid. This finish mill motor comes out of a cement plant in the ball mill. The ball mill is a big round pipe that is full of steel balls the size of a softball. As the pipe turns it has blades welded on the inside which carry the balls up to the top of a 16-foot diameter pipe and the balls fall to the bottom of the pipe where the rocks are. The weight of the balls smash the rock [...]

Finish Ball Mill Motor2022-01-28T15:09:16-05:00

Wind Tunnel TGF 5000 HP Motor

A customer contacted us to work on a TGF 5000 hp motor.  Trisonic Gasdynamics Facility.  What in the heck is a TGF.  A wind tunnel.  The AFB tests airplane models in a wind tunnel.  The wind tunnel air speed maximum is mach 3.5.  The 10 stage Allis Chalmers compressor requires 8500 hp.  A 3500 hp wound rotor motor couples to a Falk gearbox with the 5000 hp synchronous motor. This job started with the Springfield field service department. Jim Delawder inspected and tested the motor, determining that rewinding was needed. John Franzer and Mike Harper presented a quotation for repair to [...]

Wind Tunnel TGF 5000 HP Motor2020-03-05T19:51:14-05:00

1500 HP Aggregate Mill Motor

A large aggregate company in Southern Indiana that Horner Industrial has serviced for years contacted Horner as they had a 1,500 HP 180 rpm Open Frame AC Wound Rotor/Synchronous motor that needed to be removed, rewound, and reinstalled. This motor was manufactured in the 1950’s and it was one heavy piece of iron. (42,000lbs) Once it was removed, transporting it posed a challenge to Horner’s Logistics Department as it had to be transported on a special “low-boy” semi-trailer due to its size. We had to make sure that it would pass under all the overpasses on I-65 from Louisville to Indianapolis. [...]

1500 HP Aggregate Mill Motor2019-09-10T16:00:16-04:00

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