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VOLK Roller Transporter at
Hoesch Schwerter Profile

Schwerte, 17.03.2008 – Steel profiles play an important role as structural elements and components in virtually all areas of the steel processing industry. The use of profiles offers among other advantages significant material savings and a reduction of machining rework costs.

In practice, standard profiles are usually used which are mass-produced and thus relatively inexpensive. How-
ever, many construction or manufacturing problems can only be solved with special profiles. In these cases, the geometric shape of the profile is determined by the cus-
tomer in accordance with his specific requirements and needs.

The customized manufacture of such special profiles is the core business of Hoesch Schwerter Profile GmbH. Approximately 720 employees at the Schwerte location produce profiles for the automobile, rail, material hand-
ling and construction industries, creating an anual turn-

VOLK Walzentransporter bei Hoesch Schwerter Profile

Hoesch Schwerter Profile GmbH specializes in the manufacture of
special profiles – 720 employees create a turnover of almost 200 million Euros

over of almost 200 million Euros. About 60 percent of the production goes for export to customers located all over the world.

In the manufacture of the profiles, Hoesch uses various processes such as hot rolling and hot extruding. In the latter,

VOLK Walzentransporter bei Hoesch Schwerter Profile

In the roller depot at Hoesch Schwerter Profile GmbH, hundreds of roller sets are stored – The surface contour of the rollers determines the geo-
metric shape of the profile strand

after leaving the furnace, a steel billet is hydraulically pushed through a forming die using a ram with an extrusion force of 2.200 tons to form a profile strand.

While hot extrusion is primarily suited for highly complex profile shapes and small lot sizes, the forming technique of hot rolling is used in most other cases. Here red-hot iron billets, so-called slabs, are passed through two oppositely rotating rollers to form profile strands.

The rollers, which are arranged over each other in a rolling stand, have a diameter of up to 70 cm and a length of up to 2.8 meters. They are made of solid steel and weigh several tons. On the surface the rollers have
a circumferential rib profile, whose contours in conjunc-
tion with the distance between the rollers in the rolling stand determine the geometric shape of the end product. In this way, an almost unlimited assortment of possible profile shapes can be produced with simple or compli-
cated cross sections.

To provide for short reaction times and maximum flexibility here, the rollers are produced in the company's own roller turning plant. Since a special roller set is produced for each profile cross section, hundreds of customized rollers at Hoesch Schwerter Profile GmbH must be stored and then transported on order to the rolling mill.

For the transport of the rollers, which weigh several tons, a VOLK Diesel Platform Truck of the type DFW 25 is
used. The loading area features dimensions of 4.200 mm x 2.500 mm and is equipped with a special trans-
port rack to hold the rollers. The sturdily constructed vehicle has two high-quality Kessler axles to provide for sufficient reserves when transporting heavy loads of up to 25.000 kg.

A powerful Deutz diesel engine with a cubic capacity of more than four liters ensures that the vehicle can reach
a speed of 15 km/h even under maximum load. Sur-
mounting a nine percent incline at the factory site is also no problem for the roller transporter. The required trac-
tion is provided by the vehicle’s heavy empty weight of
8.000 kg and two pairs of rear tires in the giant format
10.00 – 20.

In spite of its large dimensions, the vehicle has an ama-
zingly small turning radius of only 7.120 mm. Shunting in tight spaces is made easier with hydraulic power steer-

VOLK Walzentransporter bei Hoesch Schwerter Profile

For transporting the rollers from the roller warehouse to the rolling mill, a VOLK Diesel Platform Truck DFW 25 is used – The vehicle features a load capacity of 25.000 kg

ing and a very sensitive hydrostatic drive. A video rear-view system ensures that the driver always has optimum visi-
bility to the rear side of the vehicle – even when carrying bulky loads on the loading area. This is especially important in the Hoesch Schwerte plant which has organically grown over decades, thus resulting in some constructional bottlenecks.

VOLK Walzentransporter bei Hoesch Schwerter Profile

VOLK Roller Transporter DFW 25 in the rolling mill at Hoesch Schwerter Profile GmbH – In the foreground, two giant rollers each weighing several tons can be seen