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By definition, thermoplastic materials are heat sensitive.

The welding and assembly of components made in thermoplastic material can be carried out using different systems.
The welding technologies that we apply are:

ultrasonic

Ultrasonic welding

Ultrasonic welding, either riveting or direct welding, is a welding technique whereby workpieces are joined together by means of heat generated by a high-frequency mechanical motion.When riveting, only one of the components melts: the other may not even be thermoplastic. In direct welding the energy produced by the sonotrode vibration is transmitted to both parts to be welded given the appropriate pressure, time and stroke. The heat generated melts the thermoplastic workpieces in the intended contact zone . Hence, a cohesive weld is obtained between compatible materials. In both cases the welding process is achieved through a precise and rigorous control of the energy applied.

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hotplate

Hot plate welding

Hot plate welding is the most appropriate method to join large size parts even with complex shapes. After cooling, the weld is esthetically pleasing, leak proof, and characterized by its strong joining force. To a certain extent, hot plate welding allows to join elements having some degree of dimensional tolerance.It is possible to weld all kind of thermoplastics , even if they come with different stiffnesses. When needed, a double weld bead could be used to duplicate the welding features.

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SCR

Fuel Tanks and SCR Processing

Fuel tanks, manufactured through blow moulding, are afterwards worked and tested in different automated stations for cut, weld and pump tightening. It is a simultaneous process that takes place in every workstation. The Urea tanks (SCR system) used to upgrade Diesel engines to European Standards,-which are always increasingly demanding regarding pollution- are manufactured by joining two injected half-casings, on which the components have been previously welded. In both cases, the standard drilling and welding units can be mounted in a fixed or mobile position, if necessary robotised, in order to be able to work different models and to minimize specific set ups.

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comingsoon-03

Laser Welding

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