PISTON AND METHOD OF MANUFACTURING THEREOF

A piston and process for manufacturing a piston includes an upper part providing an upper combustion surface including a top land, a land ring and a combustion bowl. An undercrown surface is formed under the combustion bowl. A lower part including pin bosses and a piston skirt are formed under the u...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SIMONE GAIOLI, PAOLO FREGNI, MASSIMILIANO BONANNI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:A piston and process for manufacturing a piston includes an upper part providing an upper combustion surface including a top land, a land ring and a combustion bowl. An undercrown surface is formed under the combustion bowl. A lower part including pin bosses and a piston skirt are formed under the undercrown surface. At least one of the upper part and the lower part are formed with metal injectionmolding. 种活塞和用于制造活塞的工艺,包括上部,其提供上燃烧表面,包括顶岸、岸环和燃烧室。下冠面形成在所述燃烧室之下。下部包括销壳和形成在下冠面之下的活塞裙。上部和下部中的至少个由金属注塑成型形成。