Brush plating is used to build metal on areas where turning pressure and abrasion have worn down a selective
surface. Typically, one of two replacement alloys is applied via electroplating: nickel sulfate or nickel
sulfamate. The surface is then precision-ground to match tolerances. The finished plated and ground surface
possesses the following qualities:
Excellent adhesion
A structure that is more dense than the original and with no voids (as opposed to voids up to 3.0% by total
volume in spray metal resurfacing).
A final hardness of approximately 52 RC. This can be varied to suit your application.
The surface is corrosion-resistant and ductile
Providing roll grinding and repair service since 1970
PRG is North America's industry leader in roll grinding and repairs. PRG operates plants dedicated to
perfection in all aspects of roll grinding and repair.
Regardless of the complexity of turnaround time required for your brush plating or other repair needs, the
experienced professionals of PRG stand ready to accommodate you.
PRG's Waldrich Siegen grinders are designed to permit us to pregrind, plate and finish grind in the grinder
— not a lathe. We are thus able to maintain uniform tolerances.
About the PRG Brush-Plating Process:
While PRG's proven brush-plating processes are proprietary, the general principles of operation are as
follows:
The roll or shaft is thoroughly inspected; repair recommendations and a price quote are provided in
writing.
The surface is pre-ground to remove impurities and to establish an accurate uniform size.
The ground surface is treated to create a molecular bond.
The nickel solution is then applied to the desired thickness allowing sufficient stock for grinding to
the desired size.
HIGHLIGHTED CASE STUDIES
The Company
Alsco Metals Incorporated ...
The Problem
A variation in process reduced plant efficiency ...
Brush Electroplating Services by PRG
Providing roll grinding and repair service since 1970
