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PRG has four facilities (located in PA, GA, KY and AR), and each one was constructed from the ground up for one purpose: roll grinding. The million-pound foundations for our grinders and lathes are built with shock-absorbing springs to provide the optimum vibration-free environment for precision roll finishing.
Each plant is equipped with Waldrich-Siegen grinders, widely recognized as the finest in the world. With PRG's grinding technology, a 120-ton roll, or a 60-ft. ship propeller shaft can be ground to tolerances as fine as 20 millionths of an inch -- that's over 100 times finer than the width of a human hair. The most experienced and dedicated roll grinding specialists in the world -- people who go through rigorous continuing education and training programs -- operate those grinders.
"Since we started working with PRG, we have greatly reduced our changeout frequency. Our rolls run longer than ever before, allowing me to better utilize maintenance personnel for other tasks."
-- Mike Umbarger, Roll Maintenance
Supervisor, BLUE RIDGE PAPER
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Blue Ridge Paper Products, Inc.
The Problem - Blue Ridge faced troubles after a bad grinding experience with another supplier. As a result, production didn’t meet Blue Ridge’s standards of quality.
PRG's Solution - Read More...