End mill cutter comprises a base body made of steel or a heavy metal alloy and a hard metal front sleeve with cutters made of polycrystalline diamond or polycrystalline boron nitride

摘要

End mill cutter comprises a base body (10) made of steel or a heavy metal alloy and a front part (20) made of hard metal with cutters (16) made of polycrystalline diamond or polycrystalline boron nitride. The front part is connected to the base body by a solder compound. The hard metal part is a sleeve which sits on a pin formed as one piece with the base body and is soldered with the pin to the peripheral surfaces. An Independent claim is also included for a process for the production of the end mill cutter.