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Centerless grinding

Centerless grinding machines offer substantial production benefits: The patented CNC height adjustment of the support rail minimizes tooling times, automatic adjustment of the grinding gap geometry optimizes the grinding process and the inclined bed guarantees maximum dimensional accuracy. Depending on the application, corundum, CBN or diamond is used as an abrasive.

During centerless cylindrical grinding, the workpiece is not clamped but lies in the grinding gap between the grinding wheel, regulating wheel and support rail. The grinding pressure presses the workpiece against the regulating wheel, which brakes the workpiece to its own peripheral speed.

For this to work, the friction at the regulating wheel must be greater than the friction at the grinding wheel. The friction is achieved by the rubber bond at the regulating wheel and by inclining the support rail and machine bed.

Grinding machines