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News Release from: ThyssenKrupp Steel | Subject: Medium-wide steel strip
Edited by the Manufacturingtalk Editorial
Team on 03 November 2006
Medium-wide steel strip saves 35% weight
In the production of brake pistons using medium-wide steel strip, weight savings of 35% are being achieved to produce the lightest components of their kind in the world.
Erdrich Umformtechnik, a member of the Sander group, achieves weight savings of 35% in the production of brake pistons using medium-wide strip from Hoesch Hohenlimburg The Soemmerda/Thuringia-based forming specialists use material from Hohenlimburg to produce the lightest components of their kind in the world
This article was originally published on Manufacturingtalk on 25 Jul 2001 at 8.00am (UK)
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Brake pistons are a part of the caliper on disc brakes and have the job of pressing the brake pads against the disc.
They are moved hydraulically via an oil reservoir in the caliper, whose pressure is controlled by the brake pedal, control valves and pressure boosters.
In extreme situations, i e, during hard braking, brake pistons have to withstand pressures of several hundred bar and great heat without deforming.
The demands made on the stiffness of the safety-relevant components are therefore high.
Traditionally, brake pistons are produced as castings.
Erdrich's innovation is to make the parts from sheet steel by deep drawing.
A new component shape and the right material ensure that the deep drawn parts are more than a third lighter but just as stiff as cast iron brake pistons.
Erdrich has been so successful with this product that it has had to build an additional plant in Sandouml;mmerda to produce it.
The material for the new brake pistons is medium-wide strip from Hoesch Hohenlimburg.
The company supplies this hot-rolled strip steel to customers in the automotive, engineering and rerolling industries, among others.
Hoesch Hohenlimburg medium-wide strip is produced in widths up to 685 millimeters and thicknesses of 1.5 to 16mm.
It proved the number one choice for the brake pistons because of its particularly close thickness tolerances, similar to cold-rolled strip, and its uniform microstructure.
Medium-wide strip also displays high surface quality.
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