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PTWA process as an economically viablealternative to the conventional regenerationmethod for cylinder crankcases


Fachbeitrag

Author: Dipl. Ing. Leander Schramm
The regeneration of cylinder crankcases subjected to operating stresses makes a contribution to reducing CO2 and to saving valuable raw materials and resources. Nevertheless, conventional repair processes reach their technical and economic limits in the case of modern engines. The thermal coating industry offers the possibility of restoring cylinder liner surfaces in a cost-favourable way, while simultaneously dispensing with oversize pistons and without weakening the structure of the cylinder crankcase. As a wire-based spraying process, the PTWA (Plasma Transferred Wire Arc) system developed by Ford is a cost-favourable alternative to existing rotating lining processes and is optimally suitable as a new restoration process for cylinder liner surfaces.
Pages: 22 - 24
Ausgabe 1 (2009) Jahrgang 2 Page 22
Ausgabe 1 (2009) Jahrgang 2 Page 23
Ausgabe 1 (2009) Jahrgang 2 Page 24
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