JPS5522467A - Automatic tracing method of weld line - Google Patents
Automatic tracing method of weld lineInfo
- Publication number
- JPS5522467A JPS5522467A JP9558578A JP9558578A JPS5522467A JP S5522467 A JPS5522467 A JP S5522467A JP 9558578 A JP9558578 A JP 9558578A JP 9558578 A JP9558578 A JP 9558578A JP S5522467 A JPS5522467 A JP S5522467A
- Authority
- JP
- Japan
- Prior art keywords
- torch
- value
- pressure detector
- groove
- groove line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Machine Tool Copy Controls (AREA)
Abstract
PURPOSE: To move a torch to the position where the value of the pressure distribution in the weld line crossing direction becomes zero and let the torch trace the weld line by detecting said value.
CONSTITUTION: Compressive gas is beforehand injected from a pressure detector 17 to the work 1. Next, a screw shaft 16 is driven by a motor 15 to let the pressure detector 17 reciprocatively scan so as to cross the groove line 2 between limit switches 18, 19. Then, the pressure distribution which the pressure detector 17 detected shows a minimum value at the center of the groove line 2. After this pressure distribution is converted to an electric signal, it is differentiated to waveform by a differentiating circuit. Now, a torch 13 is on the righter side than the groove 2 and the pressure detector 17 scans from the left to right direction, thence the distance lX at which the differentiated value becomes zero at the center of the groove line 2 is detected. Then, according to the compared value with the predetermined distance l/2 upto the torch 13, a motor 7 operates to move the torch 13 together with a moving table 8 in the left direction by the differential component thereof, whereby the toch 13 is positioned on the groove line 2.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9558578A JPS5522467A (en) | 1978-08-03 | 1978-08-03 | Automatic tracing method of weld line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9558578A JPS5522467A (en) | 1978-08-03 | 1978-08-03 | Automatic tracing method of weld line |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5522467A true JPS5522467A (en) | 1980-02-18 |
Family
ID=14141650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9558578A Pending JPS5522467A (en) | 1978-08-03 | 1978-08-03 | Automatic tracing method of weld line |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5522467A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011167741A (en) * | 2010-02-22 | 2011-09-01 | Hitachi Zosen Corp | Automatic butt welding equipment for shear-cut steel sheet |
-
1978
- 1978-08-03 JP JP9558578A patent/JPS5522467A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011167741A (en) * | 2010-02-22 | 2011-09-01 | Hitachi Zosen Corp | Automatic butt welding equipment for shear-cut steel sheet |
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