| 水－磁约束等离子弧切割方法研究 |
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| 引用本文： | 卢毅申,周锦进,王续跃.水－磁约束等离子弧切割方法研究[J].大连理工大学学报,1995(6). |
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| 作者姓名： | 卢毅申 周锦进 王续跃 |
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| 作者单位： | 大连理工大学机械工程系 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 提出了用水箍及磁场对等离子弧进行综合二次约束的原理，并通过不锈钢切割试验探讨了水－磁约束等离子弧的特性、切割质量和加工速度的一般规律。研究表明：这种二次约束方法兼具水约束和磁约束的优点，其约束效果及相应的切割效果都优于单一水约束或磁约束所能达到的效果；利用水－磁二次约束也有助于降低喷嘴热负荷，提高喷嘴寿命与加工稳定性。
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| 关 键 词： | 等离子切割 等离子体约束／水－磁约束 |
Research into metal cutting with hydro-magnetically confined plasma arc |
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| Lu Yishen,Zhou Jinjin,Wang Xuyue.Research into metal cutting with hydro-magnetically confined plasma arc[J].Journal of Dalian University of Technology,1995(6). |
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| Authors: | Lu Yishen Zhou Jinjin Wang Xuyue |
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| Abstract: | A new plasma arc cutting(PAC)process is advanced, characterized by the hydro-magnetically confined arc. Experiments and analyses are made about the mechanism andcharacteristics of hydro-magnetic confinement of arc,and about effects of secondary confinementon cutting quality, arc properties and optimal process parameters. The methd shows that a finecapability of preducing quality cuts and increases cutting speeds. Also it is possible to lower theheat load of nozzle and thus enhance its service life and the process stability. |
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| Keywords: | plasma cutting confinement of plasma/hydro-magnetic construction |
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