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GAS CUTTING-OFF METHOD OF CONTINUOUSLY CAST MATERIAL AND GAS CUTTING-OFF MACHINE
GAS CUTTING-OFF METHOD OF CONTINUOUSLY CAST MATERIAL AND GAS CUTTING-OFF MACHINE
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机译:连续铸造材料的瓦斯切断方法及瓦斯切断机
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摘要
PROBLEM TO BE SOLVED: To provide a gas cutting-off method for a continuously cast material capable of increasing cutting-off speed of gas cutting-off, and moreover, lessening the gouged amount of a cut surface.;SOLUTION: The gas cutting-off machine uses a burner 20 which spouts combustion gas for forming a preheating flame and preheating oxygen and spouts oxygen for cutting for combusting and cutting a steel preheated by a preheating flame. The height from the burner 20 to the steel 16 is set at ≥100 to ≤30 mm. The pressure of the oxygen for cutting-off supplied to the burner 20 is regulated to ≥1.00 to ≤1.2 MPa in gauge pressure. The cutting-off speed of the steel 16 by the burner 20 is set at ≥500/min.;COPYRIGHT: (C)2010,JPO&INPIT
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机译:解决的问题:提供一种用于连续铸造材料的气体切除方法,该方法能够提高气体切除的切除速度,并且能够减少切割表面的切屑量。脱机使用燃烧器20,该燃烧器喷出燃烧气体以形成预热火焰和预热氧气,并喷出氧气以进行切割以燃烧和切割被预热火焰预热的钢。从燃烧器20到钢16的高度设定为100mm至30mm。供应到燃烧器20的用于切断的氧气的压力在表压下被调节为大约1.00至大约1.2MPa。燃烧器20将钢16的切割速度设为500 / min .;版权:(C)2010,JPO&INPIT
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