Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Patent
1991-01-14
1992-04-07
Eley, Timothy V.
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
294211, 295221, 29523, B23P 1500
Patent
active
051015544
ABSTRACT:
In the production of an assembled camshaft slid-on elements, such as control cams, bearing rings, gear wheels or bevel gears, are placed on an axially extending shaft tube. The slid-on elements are secured in place by expanding the shaft tube in the region of the elements by applying internal pressure. In producing the camshaft, a high strength material is used for the slid-on elements and an inferior strength material for the shaft. In the expanding step, an axially extending portion of the shaft tube is plastically deformed and the slid-on element is predominately elastically deformed. After expansion, the outer zone of the slid-on elements are elongated in the tangential direction in the range of 1%.
REFERENCES:
patent: 4293995 (1981-10-01), Jordan
patent: 4575913 (1986-03-01), Sugiuichi et al.
patent: 4597365 (1986-07-01), Madaffer
patent: 4660269 (1987-04-01), Suzuki
patent: 4750250 (1988-06-01), Maus et al.
patent: 4781076 (1988-11-01), Hartnett et al.
B. Ja. Masurowski, Author of "Elektrohydraulisches Impulse-inpressen von Rohren in den Rohrbo den der Warmeaustauscher".
Breuer Hans-Jurgen
Frielingsdorf Herbert
Greulich Klaus
Grewe Heribert
Hanswillemenke Hans
Eley Timothy V.
Emitec Gesellschaft fur Emissionstechnologie mbH
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