Sommerer GmbH, grooving tools and profile turning tools with extremely high precision for manufactoring pistons.
These tools are used mainly for the grooving of piston head rings.
The tools for turning of the groove demand high standards of precision as the tollerance range is only +- 1 Mikron.
In order to achieve an exact groove, the parallel plan of the tool must be exactly maintained, the parallism ...per hour is normal.
For external grooving, groove turning, profiling and undercutting.
Various PCD materials and CBN materials find application to the workpiece material.