Campbell Grinder Company’s horizontal model CRG-4000 (Cylindrical Grinder) described in this page is designed to be a compact, heavy-duty grinder specialized for roll grinding. Campbell Grinder designed this machine to cylindrical grind, profile grind, groove grind and measure OD and other features. The machine is capable of real-time OD, crown profile and roundness (TIR) measurements. It can dress and true the grinding wheel in-cycle. Proprietary software can be provided for unique applications.