| MC68HC11单片机控制恒频短路过渡逆变式CO2焊机的研究 |
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| 引用本文： | 朱志明,罗小锋.MC68HC11单片机控制恒频短路过渡逆变式CO2焊机的研究[J].电焊机,1999,29(8):8-10,18. |
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| 作者姓名： | 朱志明 罗小锋 |
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| 作者单位： | 清华大学 |
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| 摘 要： | 通过建立以ＭＣ６８ＨＣ１１Ａ１单片机为主控ＣＰＵ的双闭环控制系统，采用ＩＧＢＴ逆变式弧焊电源，实现了波控ＣＯ２焊接方法的一元化调节及恒频路过渡。实验结果表明：该系统焊接过程稳定，焊缝成型美观，飞溅小，同一直径焊丝适用的焊接电源范围宽，且抗干扰能力强，具有实际推广应用价值。
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| 关 键 词： | 恒频短路过渡 焊接 单片机 气体保护焊机 |
Study on Inverler Type CO 2 Welder Controlled by MCU MC68HC11 with Constant
Short-Circuit Transfer Frequency |
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| Tsinghua University ZHU Zhi-ming,et al.Study on Inverler Type CO 2 Welder Controlled by MCU MC68HC11 with Constant
Short-Circuit Transfer Frequency[J].Electric Welding Machine,1999,29(8):8-10,18. |
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| Authors: | Tsinghua University ZHU Zhi-ming |
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| Affiliation: | Tsinghua University ZHU Zhi-ming et al |
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| Abstract: | In
this paper,a double closed loop control system based on MC68HC11 is established for IGBT
inverter type arc welding power source,and a wave-form contrded CO 2 welding method with
one-knob adjustment and constant short-circuit transfer frequency is achieved.The
experiment results show that this system has stable welding process,good weld
bead,small spatter,wide welding crrent for one wire diameter and strong anti-disturbance
ability.So that,it has an excellent spreading value. |
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| Keywords: | wave-form control constant short-circuit transfer frequncy CO 2 welding MCU |
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