Norton's Xtrimium Dual Worm Wheel Performs Grinding and Polishing
IMTS Spark: Norton’s Xtrimium gear grinding wheel from Saint-Gobain Abrasives features a dual-worm design enabling grinding and polishing with the same grinding wheel.
Norton’s Xtrimium gear grinding wheel from Saint-Gobain Abrasives features a dual-worm design enabling grinding and polishing with the same grinding wheel. The wheel’s high-performance vitrified bond section is used for grinding, and a fine-grit resin section is used for polishing the gear teeth. The use of one wheel for the two processes can result in time savings since it eliminates wheel swapping. The wheel provides surface finishes of 1.0 mm Rz and 0.05 mm Rpk, with reduced harmonics (noise).
If one must pick a manufacturing specialty, grinding carbide might not be the first choice because it’s perceived to be very difficult. RPM Carbide Die, however, has worked the material for nearly 40 years and, as specializing seems increasingly to be the order of the day, this northern Ohio shop is in a good position to thrive.
Real-time-responding CNC brings new possibilities to difficult machining applications.
It sounds like a contradiction in terms-between centers and centerless grinding on one machine. But for some categories of workpieces, it's a viable production process that can yield machining time reductions of 45 percent over separate grinding operations.