Grinding of the tools is made by special abrasive disc with internal cooling. Cooling liquid prevents overheat of grinded tools, removes mechanical elements rising from the grinding and increases quality of grinded surfaces. Complete set of fixing tools for all standard punching tools and dies is provided with machine.For all types of punching tools it is possible to grind scarf from 0-8 degrees.
The tool grinder PNB-2E was designed as semi-automatic machine, where the operator is responsible for the right insertion of the tools, descending of the tool to the abrasive disc and setting up material removal of grinded surface.
Process of sharpening is fully controlled by the machine and it is performed in
several repeating cycles of grinding according to material removal set-up. At the end of the grinding process is the tool moved of the abrasive disc and machine is ready for new grinding.