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Special testing machine for Draw-Bead tests delivered to Audi AG Ingolstadt


Special testing machine 20kN for draw-bead tests

In the past month, Hegewald & Peschke MPT GmbH has delivered a special testing machine for Draw-Bead tests to Audi GmbH in Ingolstadt. The testing machine shall be used to determine the abrasion and friction properties on deep-drawn sheets in automotive manufacturing. The objective is to ensure an optimal deep-drawing process.

For this purpose, the special testing machine features two controlled axes: a vertically arranged pull-off axis which pulls the test specimen through the jaws and a horizontally arranged clamping axis which hold the test specimen in the lower clamping device. Forces up to 50 kN are applied for the contract pressure. The pull-off speed is up to 150 mm/s.

The clamping jaws are equipped with ball-bearing support stop rollers to prevent curved samples, e.g. during friction force tests, from veering off course. Two thermocouples are available in addition to record the jaw temperatures. Thanks to this diversity, several test types can be run, which in addition, can be freely configured by the operator.

The working chamber is enclosed from all sides and secured by electrically locked safety doors. The testing machine can always be moved only when the safety doors are closed.

Please click here to watch a video of the Draw-Bead test.

 
 

 
Partner im BVMW      TÜV Siegel