Milling cutter
AssigneeKennametal Hertel AG
InventorsHorst Jager, Gebhard Muller
Life of this patent
Estimating the term…
Abstract
A milling cutter is provided with a base body that can be driven in a rotating manner around its longitudinal axis. Support bodies are distributed over the surface of the base body and are supported from centrifugal forces by a base body stopper and are positioned in tension against the base body stopper. The base body has an end face with a central area and a peripheral area around the central area, which central area is recessed with respect to the peripheral area. The central area and peripheral area together forming a step which acts as the base body stopper. The support bodies comprise a counter-step which can interlock with the base body, and a mounting plate is positioned at the end face to support the support bodies.
Claims20
A milling cutter comprising:
- a base body, said base body having a longitudinal axis, and being rotatable about the longitudinal axis;
- said base body having an end surface;
- a plurality of cutting plates comprising a hard cutting material;
- a plurality of support bodies to support said plurality of cutting plates;
- said plurality of support bodies being disposed on said end surface of said base body;
- said end surface of said base body comprising a central area and a peripheral area, said peripheral area being disposed substantially radially about said central area;
- said central area being recessed with respect to said peripheral area;
- said recessed central area and said peripheral area forming a step;
- said step being disposed to hold said plurality of support bodies against centrifugal force upon rotation of said base body about the longitudinal axis;
- said plurality of support bodies being tensioned against said step;
- each of said plurality of support bodies comprising a portion configured to fit against said step;
- said portion to fit against said step of each of said plurality of support bodies being disposed to interlock with said step of said end surface of said base body;
- a mounting plate;
- said mounting plate being disposed adjacent said end surface of said base body;
- said mounting plate comprising a plurality of grooves;
- said plurality of grooves extending substantially radially outward from the longitudinal axis;
- each of said plurality of support bodies having a rear surface and two side surfaces, said two side surfaces being disposed opposite one another;
- and
- said plurality of grooves being disposed to substantially interlock with said plurality of support bodies on said rear and said two side surfaces.
Dependencies are inferred from the claim text.