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Title:
ASSIST GAS FLOW RATE CALCULATION DEVICE AND CALCULATION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/095690
Kind Code:
A1
Abstract:
Storage units 60 and 70 store a first computer program that calculates a flow rate of an assist gas in a processing head 35 by using a linear function in which the pressure of the assist gas is used as a variable, and a second computer program that calculates the slope of the linear function by using a function in which a gap G from the distal end of a nozzle 36 to the surface of a workpiece W is used as a variable. A control unit 50 substitutes a value of the gap G into the function, thereby calculating a slope of the linear function, and substitutes the slope of the linear function and the pressure value of the assist gas into the linear function, thereby calculating a flow rate of the assist gas.

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Inventors:
IGARASHI KAORI (JP)
KITAOKA SHIGEAKI (JP)
Application Number:
PCT/JP2019/041611
Publication Date:
May 14, 2020
Filing Date:
October 24, 2019
Export Citation:
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Assignee:
AMADA HOLDINGS CO LTD (JP)
International Classes:
B23K26/00; B23K26/14; G01F1/00
Foreign References:
JPH09168885A1997-06-30
JP2017039141A2017-02-23
JPS52106114A1977-09-06
JPH09168885A1997-06-30
Other References:
See also references of EP 3878594A4
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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