GSR
Perham Machine & Repair, Inc is a family operated full service machine, fabrication, and repair shop in Perham, MN. We are equipped with an array of fabrication equipment, including-- but not limited to-- a CNC mill, lathe, plasma cutting table, as well as other lathes, drill presses, bandsaws, a shear, pinch roller, sandblasting cabinet and more. In-house CAD/CAM design. PMR Inc. sharpens knives and dies for the pet food industry and we service and repair agricultural, construction, industrial, and other heavy equipment (skid steers, trailers, tractors, elevators, conveyors…). We perform certified D.O.T inspections, offer welding services as well as crane service. We fabricate and repair a variety of parts, agricultural/industrial components and can do custom design for fire rings, wall decor and other plasma-cut art.
Perham Machine & Repair, Inc. 79 11th Ave. NE Perham, MN 56573 PH: 218-346-5222 Fax: 218-346-5294
We grind and sharpen knives/blades and dies for the dry pet food  &  other extrusion process industries
PMR Inc. has developed (patent pending) an L-shape heavy duty knife holder. It holds a replaceable heavy duty knife which can be re- sharpened up to 10 times or more, depending on the application.
Rotory surface grinder
This holder is designed to be used on the same hub style knife holder utilized in the pet food and other extrusion process industries. We currently resharpen the standard version of the L-shape knife and have for 10 years. In that time we have developed a grinding system with fixtures that allow for sharpening multiple knives at a time-- up to six times dependent on materials and extrusion processes. We also resurface the extrusion dies/inserts which eliminates debris from knife/die wear, leaving them in pristine shape.
Extruder die L-shape knives/blades
The benefits of re-sharpening the L- shaped knife can amount to tremendous savings for the dry pet food and other extrusion process industries.
Extruder knives/blades Rotory surface grinder Sharpening fixtures
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