| Project/Area Number |
63550547
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| Research Category |
Grant-in-Aid for General Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Research Field |
溶接工学
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| Research Institution | KYOTO UNIVERSITY |
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Principal Investigator |
TOMII Yoich Lecturer, Faculty of Engineering, 工学部, 講師 (90026245)
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| Project Period (FY) |
1988 – 1989
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| Project Status |
Completed (Fiscal Year 1989)
|
| Budget Amount *help |
¥1,900,000 (Direct Cost: ¥1,900,000)
Fiscal Year 1989: ¥400,000 (Direct Cost: ¥400,000)
Fiscal Year 1988: ¥1,500,000 (Direct Cost: ¥1,500,000)
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| Keywords | Resistance spot welding / Nugget / Pressure Generation / Computer Controlling / Film Welding / 電極圧力 / 最適溶接条件 / 自動溶接 |
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| Research Abstract |
During resistance spot welding, direct extraction of Controlling factors for the establishment of good quality and stable nuggets was examined.
High pressure generation and its metallurgical effect that was a great segregation of solute elements were shown by direct method.
Using this pressure change through electrodes, a computer controlled resistance spot welding machine with feed back system was developed for this research.
Experimental results obtained by the thin plate metal specimen (AI, Fe, Brass, Sus) indicated that the Controlling factors for monitoring and feeding back to computer were not only a pressure change but also a micro dilation.
Furthermore, it will be necessary to measure and to control this micro dilatation precisely.
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