METHOD AND DEVICE FOR POSITIONING NOZZLE FOR LASER TREATMENT OF SURFACE Russian patent published in 2008 - IPC B23K26/14 B23K26/08

Abstract RU 2320463 C2

FIELD: laser treatment of materials.

SUBSTANCE: method comprises measuring pressure in the space between the nozzle of the focusing and surface of the article to be treated and inside the nozzle, correcting the value of the reference pressure in the space between the nozzle of the focusing unit and surface of the article to be treated by varying pressure in the nozzle, and maintaining a given distance between them by varying the pressure upstream of the nozzle with respect to the reference pressure with regard to its correction. The device comprises gage for measuring pressure of the radial flow and gage for measuring pressure of gas inside the nozzle that are connected in series with the filter via the analogue-digital converter. The filter is made of a programmable logic matrix that is connected with the microprocessor connected with the controller. The optical pickup is mounted on the shaft of the drive of the focusing unit and is connected with the microprocessor through a unit for converting pulses into code connected with the controller. The microprocessor is connected with the computer provided with a program for control of the device.

EFFECT: enhanced precision.

2 cl, 1 dwg

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RU 2 320 463 C2

Authors

Agapova Nina Andreevna

Isakov Leonid Romual'Dovich

Kul'Batskij Evgenij Borisovich

Dates

2008-03-27—Published

2006-02-17—Filed