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gong ye xia pu qi huo yan jia gong ji shu de ying yong
Pages: 41-42+46
Year: Issue:  6
Journal: Marine Equipment/Materials & Marketing

Keyword:  霞普气液化石油气光电跟踪切割机火焰温度取代乙炔预热时间数控切割机火焰切割切割质量加工性能;
Abstract: <正> 我厂于1990年在数控切割机、光电跟踪切割机和半自动切割机上采用液化石油气取代乙炔进行火焰切割,经过五年多的应用取得了显著的经济效益和质量效果。但是,由于氧—液化石油气火焰温度较低(约2400℃),在切割时预热时间过长,而加热
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