Method and apparatus for determining a workpiece's surface posit

Details Method and apparatus for determining a workpiece's surface posit Method and apparatus for determining a workpiece's surface posit

1995-10-04

1999-08-24

Rachuba, M.

Cutting

Operation controlled by detector means responsive to work

83168, 83875, 409186, 409193, 451 10, B26D 506

Patent

active

059411511

ABSTRACT:
A method and apparatus for determining a workpiece's surface position. One embodiment of the invention includes two conductive bodies that are insulated from each other. During a surface position determining operation, one of these bodies has a first potential, while the other body has a second potential. These bodies are then moved towards a conductive surface of the workpiece, until both of these bodies are electrically detected to contact the surface. Finally, the distance that one of these bodies traverses is used to identify the position of the surface of the workpiece.

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