Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Patent
1996-03-28
1998-04-07
Solis, Erick R.
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
29 9001, 29888061, B23P 1100
Patent
active
057350434
ABSTRACT:
In a method for mounting and finishing a valve seat ring in an operational position of a receiving bore at the entrance of a gas channel of the cylinder head of an internal combustion engine consisting of a light alloy, an annular body with a central opening is manufactured by powder pressing and sintering. A roller burnishing tool is positioned within the central of the annular body. The annular body is inserted into the receiving bore with the aid of the roller burnishing tool such that the annular body is positioned with play relative the inner wall of the receiving bore. The annular body is radially expanded by roller burnishing with the roller burnishing tool such that the annular body positive-lockingly engages the inner wall of the receiving bore and is compressed to a selected finish size of ready-to-use density.
REFERENCES:
patent: 1999434 (1935-04-01), Albertson
patent: 2008002 (1935-07-01), Calkins
patent: 2121464 (1938-06-01), Zagorski
patent: 4227292 (1980-10-01), Kipling
patent: 5653377 (1997-08-01), Reatherford et al.
patent: 5659937 (1997-08-01), Santi
"Baublies"; Roller burnishing tools.
Kruger Gerd
Schmidt Holger
Bleistahl Produktions- GmbH & Co. KG
Solis Erick R.
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