Products and Services

Products

	Coal Pulverizers Whether they are rolls, tables, wear liners, chute liners, or journal assemblies, RPM has the ability to repair and reline with hardface welding on CE, MPS, FW, B&W, or hammer mills.  Click for more details ...
	Coal Piping RPM can repair and / or reline riffle housings, elbows, nozzles, cyclone covers, and inlet tees. No matter what the worn part, RPM is ready to solve your problem.  Click for more details ...
	Wear Liners and Overlay Plate RPM has been manufacturing MK “Chrome Carbide” Overlay Plate since 1996. We use smaller stringer beads instead of the traditional wider oscillated beads to generate a better carbide formation in the weld.  Click for more details ...
	Laser Deposition Technology (LDT) RPM’s advanced laser deposition technologies can rebuild, repair, and manufacture parts not possible with conventional technologies. The results are overall cost and time savings. Click for more details ...
	Shaft Repair RPM has used Laser Cladding Technology (LCT) to repair a wide variety of shafts. From out-of-tolerance ash crusher shafts to galled drag line swing shafts, Laser Cladding Technology (LCT) has proven itself to be the most timely, reliable and permanent solution to shaft wear problems. Click for more details ...

Engineering Services and Other Services

RPM & Associates offers a variety of industrial and engineering services, including analytical and design engineering, CNC plasma cutting, forming, custom fabrication, and machining.

• Engineering Services
  Our highly skilled team of mechanical, metallurgical, electrical, and software engineers will analyze your problem and provide a timely and cost effective solution.
  
  Services provided include engineering analysis and design, inspections, and re-engineering of specialty parts.
  
  
• Onsite Metallurgy Lab and Coordinate Measuring Machines
  We have an on-site metallurgy lab, a Faro 8-foot portable coordinate measuring machine, and a stationary coordinate measuring machine that enable us to repair or manufacture parts to very precise tolerances.

  On-site Metallurgy Lab	Stationary CMM	8-foot Portable CMM
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• Other Equipment
  RPM’s custom-built CNC cutting table can cut metal sheets as big as 140” x 78” and up to 6” thick. Computer-aided cutting ensures your part is cut with precision.
  
  Our digital 4-roll hydraulic forming machine can form metal sheets up to 5/8” thick and 120” wide. A variety of radii can be achieved in both cylindrical and cone shapes.
  
  With multi-axis lathes and mills, manual and CNC, RPM’s machine shop can resurface or manufacture almost any part. RPM specializes in large shafts, journal parts and pulverizer rolls. RPM's machine shop offers critical support to our welding capabilities.

  CNC Cutting Table	4-roll Hydraulic Forming Machine	Large Shaft on Lathe
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About RPM and Associates

RPM’s founders, Rob and Deb Mudge, believe that blessings are to be paid forward. RPM supports numerous organizations with both financial and volunteered man-hour contributions.

Rapid City, the Black Hills, and South Dakota ... Our Home

The Black Hills are home to some of the best turkey hunting available.