Koyo Machinery USA, Inc. - Plymouth, MI
Manufacturer
ISO 9001, ISO 14001 & QS 9000 certified manufacturer of rotary table vertical spindle surface grinders. Features include tools, electrical control systems, coolant piping inside machine, work glides, outlet chute & work-piece receiving box, cutting fluid tank & pump, electro discharge truing, automatic loading & unloading equipment, cutting fluid temperature control regulator, in-feed grinding control, automatic gauging system, cycle counter, work-piece holding fixtures & cutting fluid filtration system. Grinding wheel spindle drive, positioning device, compensation device, tilting device, dresser & speed inverter are also available.

Campbell Grinder Co. - Spring Lake, MI
Manufacturer, Custom Manufacturer
Custom manufacturer of rotary grinders available in various models & configurations. Specifications of grinders include 200 in./minute maximum speed, plus/minus 0.0002 in./ft. accuracy, 220 degree of motion, 10 arc secondary accuracy, 5 arc seconds repeatability, 1,500 rpm to 7,200 rpm spindles speed, 30 hp spindle power at the rate of 3,600 rpm speed & incremental motion up to 0.0001in. Features include precision roller ways, linear glass scales, uni-graphic posts, automatic wheel balancers, tool & part probes, roll from, disk & single point dressers, liquid cooled motorized spindles & ball screws.