Sintered metal body with at least one toothing

F - Mech Eng,Light,Heat,Weapons – 16 – H

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13/1, 74/215, 80

F16H 55/02 (2006.01) B21H 5/02 (2006.01) B22F 5/08 (2006.01) F16H 55/06 (2006.01)

Patent

CA 1219471

ABSTRACT The invention concerns a sintered metal body with at least one tooth structure formed in a blank (1) (with or without pre-toothing) by metal forming. In accordance with the invention, it is suggested that the final tooth form (5,6,7) be rolled into the blank (1). It was discovered, surprisingly, that the desired toothing, for instance the tooth forms usually used for highly- stressed toothed gears such as involutes, cycloids and epicycloids, as used for example on bevel gears, particularly curved-toothed bevel gears, can be rolled into the blank (Figure 2).

452306

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