About Jacqueline Keen

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So far Jacqueline Keen has created 126 blog entries.

Steel Rolling Tandem Mill Motor

A steel manufacturer sent in a steel rolling tandem mill motor after the armature equalizer insulation had failed to ground due to age and time of service. The bearings, bearing journals, and bearing housings were severely damaged. A team of different Horner Divisions came together to complete this project. Machining Services did an extensive amount of machine work on the shaft and bearing housing. They also turned and undercut the armature when the rewind was completed. Fan and Fabrication manufactured new bearing seal inserts. Horner Coatings sprayed and machined the shaft and bearing housings. They also did the welding of the [...]

Steel Rolling Tandem Mill Motor2022-05-16T11:59:45-04:00

Compressor Room Electric Motor

A call came in late Friday from a customer planning to have their maintenance team do an onsite bearing change on a production compressor motor. We had the bearings in stock and set aside for them, however, Monday morning I received a call letting me know that they weren’t able to complete the work in house and requested Horner Field Service to come assist as soon as possible. We sent a team that morning to pull the motor and get it in to the shop for evaluation. Once onsite, they found that the compressor room is not accessible with a forklift. [...]

Compressor Room Electric Motor2022-05-16T11:51:07-04:00

Ice Blasting/Cryogenic Cleaning

Cryogenic blasting or “Dry ice blasting” is a super clean way to get equipment back to a clean condition without any residual mess like if you were to use cob media or sand. Dry ice blasting is a form of carbon dioxide cleaning, where dry ice, the solid form of carbon dioxide is accelerated in a pressurized air stream and directed at a surface to clean it. The method is like other forms of media blasting such as sand blasting, plastic bead blasting, or soda blasting, Cryogenic blasting uses dry ice as the blasting medium. Dry-ice blasting is nonabrasive based off [...]

Ice Blasting/Cryogenic Cleaning2022-05-16T11:45:27-04:00

Aircraft Generator Opportunity

Most military airplanes have extensive avionic systems, such as radar and radar jamming systems. The avionics are powered by small on-board generators. The size and weight of these generators are critical so they are designed to be very small and lightweight, while providing adequate power for the aircraft. After a set number of flight hours, these generators are removed from service and must be rewound to reduce the chance of failure. Our company has rewound many of these generators thanks to Don Morris and his many years of expertise. Don provided training and has been a mentor to Stephen Clippinger, a [...]

Aircraft Generator Opportunity2022-05-16T11:37:05-04:00

Horner Coatings Keeps Plastic Shopping Bags In Production

A plastics company called us out to examine two shafts used on the wash line hopper on their recycled product lines. They take used plastic and create new hard pellet material that combine with other raw materials to make plastic bags used for retail. This hopper is the first in the wash line where the material is cleaned. These small shafts have a dual bushing design that in theory, should be grease lubricated and would wear as the machine operated. This would lead to the eventual need to replace bushings on the shafts but that would have been anticipated by Preventative [...]

Horner Coatings Keeps Plastic Shopping Bags In Production2022-05-16T10:36:48-04:00

Hospital Kitchen Exhaust Fan

A hospital in Indianapolis needed to replace a very old kitchen exhaust fan and ductwork. This was a joint effort between Horner Fan and Fab and Horner Field Service led by Sales Jeff Wilson. Horner Field Service did the bulk of the work while Horner Fan and Fab reconfigured a Greenheck direct drive fan and new ductwork and louver. The controls were changed from a simple on/off to a VFD that was tied into the building management system as well as reprogramming of the VFD to achieve the desired CFM of air flow. Thanks to everyone who worked over a weekend!

Hospital Kitchen Exhaust Fan2022-01-28T17:23:36-05:00

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

Automotive Plant Hydraulic Issues

An automotive manufacturer was having failures that were caused by heavy gouges and wear in their hydraulic cylinder walls. Another issue was that the rings would break on the piston and cause damage. This is on the application that puts the molten aluminum under pressure and then the rod and piston slam the aluminum into a die to create a transmission case. The customer was buying new sets of barrels/tubes, rods, and pistons at the manufactures price getting very expensive. This is where our Hydraulic Cylinder Repair shop comes into play. They were able to repair the rods and piston assemblies [...]

Automotive Plant Hydraulic Issues2022-01-28T16:25:37-05:00

20 Foot Germ Twin Screw – Machining Services

Machining Services received a 20 foot Germ Twin Screw one Sunday night with a broken drive end shaft and worn opposite drive end bearing. A Germ Twin Screw is used for moving corn from the third to second floor of the plant. This is where it conveys the germ from the corn from the surge hopper to the fluid bed driver. Then it goes from there to the Franino Press to extract the moisture from the germ. The company this belongs to makes food ingredients. The old shaft of the screw was cut out and a new one manufactured. The opposite [...]

20 Foot Germ Twin Screw – Machining Services2022-01-28T15:39:40-05:00

Complex Motor Rewind – DC Mill Motor

Horner Louisville had the opportunity over the Holidays to service a customer who is a plastics extrusion company. The motor came in on an overtime basis, so it was given top priority. The customer sent in a 75Hp FUJI DC Motor that, after disassembly, inspection and testing required a full rewind and machine work that included coatings work on the armature. However, this wasn’t your every day run of the mill DC motor. The motor was a random wound compound design which is known to be a little tricky to wind. Louisville’s winder, Charlie Mings, looked at the winding and was [...]

Complex Motor Rewind – DC Mill Motor2022-01-28T15:33:09-05:00

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