Apparatus and methods for aligning a center of mass with a...

Details Apparatus and methods for aligning a center of mass with a... Apparatus and methods for aligning a center of mass with a...

2006-05-30

2006-05-30

Wilson, Lee D. (Department: 3723)

Stone working

Sawing

Rotary

C125S012000, C083S665000

Reexamination Certificate

active

07051729

ABSTRACT:
Centering elements effectively reduce the clearance between a shaft and a rotatable element, such as a blade-fixing flange of a dicing saw for use with semiconductor substrates or carrier substrates. The centering elements may be used to substantially align a center of mass of a rotatable element installed onto the shaft with the axis of rotation of the shaft. The centering element may position the center of mass of a rotatable element at a position that is in substantial alignment with the axis of rotation. Methods for assembling rotatable elements onto shafts and methods for balancing such rotatable elements are also disclosed. Multiple fixtures as well as multiple centering elements may be employed. In addition, one centering element may position more than one fixture.

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