| 摘要 |
PURPOSE:To assemble simply and accurately a cam shaft without using a jig by a method wherein a cam piece is engaged to a shaft via a key, a journal piece is fixed at the one side of the piece, the other side of the cam piece is pressed with a spring. CONSTITUTION:A cam shaft 10 is assembled as follows; a key is inserted into a key groove, cam pieces 14a-14d are engaged with a shaft 11, journal pieces 13a, 13b are fixed at the one side of cam pieces 14a-14d. Spring 16a, 16b are arranged at the other side of cam pieces, cam pieces 14a-14d are pressed at the journal pieces 13a, 13b. By said assembling, each component is able to be assembled simply, speedy, further accurately without using a jig. A heating work in a heating furnace is not required after assembling, therefore, components do not affected by a heat history, the material characteristics such as a strength and the like do not decreased. |
