Device and method for the control and monitoring of an electron

Details Device and method for the control and monitoring of an electron Device and method for the control and monitoring of an electron

1989-03-23

1990-11-27

Albritton, C. L.

Electric heating

Metal heating

By arc

21912125, 21912129, 21912116, 21912117, 373 15, 373 16, B23K 1500

Patent

active

049738186

ABSTRACT:
A device and a method for the control and monitoring of a deflectable electron beam is provided for the working of metal wherein the electron beam is not permitted to go beyond an allowed working area. With this device with the aid of a Teach-In method the limits are entered into a computer. The computer generates an image of the areas allowed for the electron beam in a particular area of a special memory. This memory is so organized that the addresses of the point of the particular areas correspond to the digitized coordinates of the point of impingement of the electron beam. The characterization of the allowed and forbidden target points of the electron beam takes place through placing or deleting respectively the assigned bits in the special memories.

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