Hot Extruding with Hoesch Schwerter Profile GmbH During hot extrusion a round steel billet is pre-heated and, after leaving the furnace, is pushed through a forming die into a profile bar using a ram with an extrusion force of 2,200 t. Hot extrusion offers substantial advantages in comparison with hot rolling, forging or machining.
Hot extrusion can be used to make complex profile shapes even using metals which are difficult to form. In addition, small lot sizes can be produced economically.
Hoesch Schwerter Profile GmbH possesses highly sophisticated CAD and CAM systems which are used to support our customers during the design and engineering phases.
Hot extruded profiles offer the benefit of :
different material thicknesses within one profile cross-section
the possibility to use in highly sensitive areas, where the special profiles must with stand specific demands of temperature, pressure, aggressive media or hygienic requirements
seamless structure of solid and hollow sections
Cold Drawing with Hoesch Schwerter Profile GmbH The process of cold drawing is a procedure by which metal is formed in order to achieve complex profile cross sections of excellent precision. After careful pre-treatment and descaling the special profile bars are drawn through a forming die. This operation can be repeated up to three or four times.
Cold drawing of hot rolled and hot extruded special profiles tightens the cross-sectional tolerances, thus leading to significant improvement in dimensional accuracy and surface quality. Cold drawn special profiles offer the same precision achieved by machining - but without the waste.
Cold drawn special profiles offer extensive advantages, among other things:
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