| 精密CO2激光焊机电源的研制 |
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| 引用本文： | 唐霞辉,段军.精密CO2激光焊机电源的研制[J].电焊机,1997,27(6):29-32. |
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| 作者姓名： | 唐霞辉 段军 |
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| 作者单位： | 华中理工大学激光研究院!武汉，430074，华中理工大学激光研究院!武汉，430074，华中理工大学激光研究院!武汉，430074，华中理工大学激光研究院!武汉，430074 |
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| 摘 要： | 为薄板焊接耐专门研制的精密ＣＯ２激光焊机，其电源采用带集成触发的三相晶闸管计压主电路，通过深度电流负反馈获得垂直陡降的电源外特性，由计算机对电源进行控制，实现激光功率输出的精密自动调节。
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| 关 键 词： | 三相晶闸管调压 计算机控制 激光焊机 焊接电源 |
A Study on Power Supply for Precise CO_2 Laser Welder |
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| Tang Xiahui.A Study on Power Supply for Precise CO_2 Laser Welder[J].Electric Welding Machine,1997,27(6):29-32. |
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| Authors: | Tang Xiahui |
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| Abstract: | A kind of precise CO_2 laser welder has been developed specially for welding of thin plates.The laser power supply employs three-phase SCR voltage-regulating main circuit with IC triggering circuit.Its V- I characteristic curve with perpendicularly steep drop is obtained through deep current negnectfeedback to the main circuit. circuit power output can be adjusted precisely and automatically throughcomputer-controlling to the power supply. |
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| Keywords: | power supply of CO_2 laser welder three- phase SCR voltage- regulating computercontrol |
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