Reishauer Ag

Christoph Rudolf

Benno Zigerlig

Florian Hänni

Sherline Wunder

Friedrich Kuster

Marin Pavlovic

Dressing tool including a main body having a working surface covered with hard-material grains distributed on the main body. Recesses for accommodating the hard-material grains are created in the main body and then filled with an adhesive, the excess adhesive is removed across the main body, and thereafter the hard-material grains are flung onto the main body so that only the grains located in the recesses remain adherent to the working surface of the tool. The hard-material grains can then be bonded to the main body by a physical and/or chemical bond. Thus, a distribution of the grains over the working surface of the tool that can be precisely defined in advance is ensured.

Dressing tool and method for the production thereof

In a method for producing a base body with hard material particles, an adhesive is first of all applied with a defined film thickness to the entire or parts of the working surface of the tool to be produced. Next, the hard material particles are applied to the regions of the working surface provided with the adhesive for lasting adhesion. Hard material particles are applied evenly by an apparatus and are then transferred to the working surface of the tool to be produced provided with the adhesive, on which they remain adhered before the adhesive has hardened. This method enables rapid coating of the working surface of the tool with a predeterminable uniform number of detached hard material particles per unit of area.

Method and device for producing a base body with hard material particles

Full profile dressing roll () for dressing multi-start grinding worms for the generation grinding of small-module gears, comprising a groove-shaped axial section profile of the outer envelope surface (), covered with hard material grains, and profile-cut hard-material profile combs () embedded in this envelope surface and having a multi-ribbed rack tooth system profile, the profile of which touches the outer envelope surface () of the dressing roll () only in sections of the axial section profile of the dressing roll () which do not participate in the generation of the grinding worm flanks. As a result, the profile sections, highly stressed during the dressing, at the crest and root of the profile grooves () are protected from high wear and premature grain loss and the service life of the dressing roll is effectively increased without the inhomogeneity of the flank surface of the dressing roll () being disturbed by the profile combs ().

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Wallisellen, Switzerland

Christoph Rudolf