Machining differential housings

Details Machining differential housings Machining differential housings

2006-08-29

2006-08-29

Cadugan, Erica (Department: 3722)

Metal working

Method of mechanical manufacture

Shaping one-piece blank by removing material

C029S563000, C409S143000, C409S232000

Reexamination Certificate

active

07096563

ABSTRACT:
A grab picks up a hollow workpiece and displaces it to a machining station where, while the workpiece is held in the grab, a tool is engaged from outside with a first surface of the workpiece to finish the first surface. Then the workpiece is reoriented by the grab and engaged by a tool with a second surface of the workpiece to finish the second surface. Another tool is fitted through a large-diameter hole of the workpiece and positioned inside the workpiece adjacent a small-diameter hole and a drive spindle is coupled through the small-diameter hole to the other tool to machine an inner surface of the workpiece adjacent the small-diameter hole. These steps are then repeated to finish another interior surface of the workpiece adjacent another small-diameter hole. Finally the workpiece is displaced from the machining station and released from the grab.

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