Alumat Straitjacket Die Concept


The Shrinking technology applied to mandrels.

The radial force applied by the Straitjacket compresses the bridges thus reducing the tension stress on the fall when the mandrel is under load. It’s best application are the porthole dies subject to a limited life due to sudden breakage of the mandrel section.

for 7000-series aluminium alloys.

Products: Bumpers.