Method and apparatus for making cam shafts

Details Method and apparatus for making cam shafts Method and apparatus for making cam shafts

B - Operations, Transporting

21

D

B21D 53/84 (2006.01) B21D 26/02 (2006.01) B21K 1/06 (2006.01) F16H 53/02 (2006.01)

Patent

CA 2099082

A method and apparatus for making cam shafts wherein a plurality of cam lobes (12) are positioned along a hollow tubular shaft (18) and are subsequently secured thereto by expanding the shaft (18) outward, into engagement with the cam lobes (12). The shaft (18) is expanded by deflagrating a propellant (64) to generate a sudden increase of gas pressure which is introducing within the shaft (18).

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