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Voestalpine Giesserei Linz Gmbh

Weigelt, Harald

Harald Weigelt

In a wedge drive () with a first part () which can be provided with a machining tool and a second part (), wherein the two parts () are arranged movably relative to each other, and there is provided at least one positive-action return device which engages or can engage both parts (), and a third part () which is connected to the first part (), the at least one positive-action return device is return spring-free and has at least one device for causing and/or supporting the return of the one part () and/or for increasing the retraction force which can be applied in the return of the one part () in the upward stroke movement of the third part ().

Wedge drive with a force returning device

In a wedge drive comprising a slider element receiving component, a movable slider element and a driver element, wherein sliding surfaces are provided between the slider element and the driver element, a dovetail-like or prism guide is provided between the slider element and the slider element receiving component. The slider element has a portion having a dovetail-like configuration.

Wedge drive with slider receiving means

In the case of a stripping device () for use with a cutting tool () with a cutting element, in particular a punch (), for machining a workpiece, in particular a curved metal sheet (), at least one fastening piece () for fastening it to the cutting tool, a spring-elastic element () arranged outside the workpiece contact region, a stripping element () which comes into contact with the workpiece and surrounds the cutting element (), and at least one guide element () guiding the stripping element () being provided, a device for securing against rotation is provided to essentially prevent the stripping element () from rotating.

Stripping device

The invention relates to a cam slider with an upper guiding part containing a cam element () and a cam guiding element (), and with a lower guiding part containing a driver element (), the upper guiding part () being holdable and/or held together by at least one guiding clamp ().

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Kürten, Germany

Harald Weigelt