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	New technology of laser cutting silicon steel controlled by rotating gas flow
	Hong Lei ; Mi Chenglong ; Chen Wuzhu
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical Experimental/ alloy steel cyclone separators finite element analysis flow control gas lasers laminar flow laser beam cutting pipe flow sheet materials/ laser cutting technology rotating gas flow cyclone slag separator silicon steel sheet CO/sub 2/ laser laminar flow tube flow finite element method FEM workpiece ANSYS flow control size 0.5 mm FeSiCJk/ A4262A Laser materials processing A4762 Flow control A4255D CO/sub 2/ lasers A4715 Laminar flows A4760 Flows in ducts, channels, and conduits A4785 Applied fluid mechanics C3355C Control applications in machining processes and machine tools C4185 Finite element analysis C3120T Level, flow and volume control E1520A Machining E1560 Production equipment E1710 Engineering materials E0210L Numerical analysis E1550 Control technology and theory E2130 Fluid mechanics and aerodynamics (mechanical engineering)/ size 5.0E-04 m/ Fe/ss Si/ss C/ss
中文摘要	In order to avoid the demerits of currently main laser cutting technology, a novel method of laser cutting silicon steel by using a cyclone slag separator put under the workpiece that will form rotating gas flow to control the direction of the flowing slag gas is presented. Laser cutting of 0.5 mm silicon steel sheet with CO/sub 2/ laser is experimentally studied. The experiments prove that glossy and dross-free cutting kerfs can be obtained under lower laser cutting power when the gas flow is laminar flow in the tube controlled by rotating gas flow. The gas flow acting under the workpiece is simulated by finite element method (FEM). The operating law of the rotating gas flow is verified by ANSYS, which provide academic basis for controlling the flowing direction of the slag gas reasonably.
语种	中文
出版者	Chinese Journal of Mechanical Engineering ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80477]
专题	清华大学
推荐引用方式 GB/T 7714	Hong Lei,Mi Chenglong,Chen Wuzhu. New technology of laser cutting silicon steel controlled by rotating gas flow[J],2010, 2010.
APA	Hong Lei,Mi Chenglong,&Chen Wuzhu.(2010).New technology of laser cutting silicon steel controlled by rotating gas flow..
MLA	Hong Lei,et al."New technology of laser cutting silicon steel controlled by rotating gas flow".(2010).

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