In the automotive industry spherical heads are used as sealing and connecting elements for pressure tubes. Up to now, these sealing elements have been produced mechanically and subsequently connected with the respective tubes through welding or soldering. This process is not only cost-intensive, but can also result in weak points in the welds. Facing this challenge, transfluid Maschinenbau GmbH has developed an integrated method. Result: Cost-efficient and safe forming of spherical head systems directly to the tube.
In the automotive industry spherical heads are used as sealing and connecting elements for pressure tubes. Up to now, these sealing elements have been produced mechanically and subsequently connected with the respective tubes through welding or soldering. This process is not only cost-intensive, but can also result in weak points in the welds. Facing this challenge, transfluid Maschinenbau GmbH has developed an integrated method. Result: Cost-efficient and safe forming of spherical head systems directly to the tube.
"There are two different types of spherical heads. Round-shaped with a purely metallic sealing function, and sealing cones with a 24° cone. These can seal both metallically and/or be fitted with an O-ring", explains Gerd Nöker, CEO of transfluid.
"Our systems represent a new, efficient shaping technology and extend the scope to new rationalisation processes." The new combination machines enable not only material compression, but the surface can be also processed with high rolling precision.
Essential technical factors
For cost reasons, the wall thickness of the tubes must be correspondingly small. To be able to implement this, transfluid offers the possibility to increase the wall thickness in the area of forming – for example for stainless pipes of 8 x 1 mm to a wall thickness of 2.6 mm. Very small tolerance is allowed for the formed geometry. Our special endforming machines are therefore equipped with a controlled positioning system allowing for extremely precise shaping. This is vital especially for the rolling machine. To achieve an optimum result, it is essential that the surface on the spherical head is as smooth as possible. Here, the machine and tool technology from transfluid enables surface shaping of Rz 0.5 on spherical heads.
The cost saving is enormous: up to 45 percent. To avoid the situation when conventional methods hamper any further progress, transfluid will consequently continue investigating and developing new possibilities in process integration also in future.
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transfluid Maschinenbau GmbH – the solution for tubes
Since 1988 transfluid continually improved technologies in tube processing to meet customers’ demands, offering optimum, tailor-made solutions in machine and plant construction, that are used in the automobile, ship building and furniture industries as well as the construction of railings and conveyor technology. The Schmallenberg-based company has become a global brand with service offices in Europe and Asia.
transfluid’s product portfolio offers perfect solutions in five different machine categories, that meet all the requirements in tube processing. t bend includes semi- and fully-automatic tube bending machines as well as large-diameter tube bending machines.. t form represents high-quality axial, rolling and combined tube forming machines. Automation systems with sophisticated concepts for bending and forming technology belong to the t motion category. With t cut, transfluid offers tube cutting machines in different system variants und t clean is transfluid’s range of tube cleaning machines for guaranteed cleanliness of work pieces and pipes.
www.tube-processing-machines.com
Press contact:
transfluid®
Maschinenbau GmbH
Hünegräben 20-22
57392 Schmallenberg
Germany
www.tube-processing-machines.com
Your contact:
Stefan Köhler
PR/Media
T. 02 71 . 77 00 16 – 16
F. 02 71 . 77 00 16 – 29
[email protected]
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