Manufacturing method of rocker arm

Details Manufacturing method of rocker arm Manufacturing method of rocker arm

2006-05-16

2006-05-16

Jimenez, Marc (Department: 3726)

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

C123S090390, C074S559000

Reexamination Certificate

active

07043836

ABSTRACT:
When forces given in the processes of machining in the cross direction and machining for forming a groove are adjusted and the machining is repeatedly conducted by a plurality of times, the valve engaging portion (10) is machined, and the metal flow (30) formed between the valve guide walls (28, 29) and the connecting wall (8) is prevented from being cut off. Therefore, the rigidity of the valve engaging portion (10) can be ensured, and the quality of the rocker arm (1) can be stabilized.

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