Method and apparatus for polishing inner an internal surface...

Details Method and apparatus for polishing inner an internal surface... Method and apparatus for polishing inner an internal surface...

2006-02-07

2006-02-07

Shakeri, Hadi (Department: 3723)

Abrading

Abrading process

Ring, tube, bushing, sleeve, or cylinder abrading

C451S061000, C204S22400M

Reexamination Certificate

active

06994610

ABSTRACT:
There is provided an electrolytic integrated polishing apparatus which enables high precision polishing of the internal surface of a long sized cylindrical workpiece such as a metallic tube. The apparatus includes a work supporting unit13for disposing the cylindrical workpiece W, so that the axial center of the cylindrical portion is aligned with the vertical direction, a rotation shaft4supported downward along the vertical direction and free-rotatably supported in an external tube3which is freely movable along the vertical direction, a tool electrode5including a grindstone directed to radial directions, attached to the tip of the rotation shaft4,and a plastic tube6wound around the external surface of the external tube3for pressurization.

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