南钢船板表面条带状麻坑产生原因分析
남강선판표면조대상마갱산생원인분석
Analysis on Formation Causes of Strip Type Pit - Like Defects on Ship Plate Surface in NISCO
  • 万方数据
    宽厚板 관후판
    Wide and Heavy Plate
    2015年 5期 20-21,31 ,共3页

    安丰辉%王道远%刘春%吴俊平

    안봉휘%왕도원%류춘%오준평

    船板%条带状麻坑%除鳞工艺 船闆%條帶狀痳坑%除鱗工藝
    선판%조대상마갱%제린공예
    Ship plate%Strip type pit like defect%Descaling process
    针对南钢生产船板表面出现条带状麻坑的问题，利用条带状麻坑分布状态和截面金相组织形貌特征，分析了条带状麻坑的产生原因，认为条带状麻坑由粗除鳞喷嘴压力降低所致。通过对粗除鳞喷嘴进行检修，消除了条带状麻坑。
    침대남강생산선판표면출현조대상마갱적문제，이용조대상마갱분포상태화절면금상조직형모특정，분석료조대상마갱적산생원인，인위조대상마갱유조제린분취압력강저소치。통과대조제린분취진행검수，소제료조대상마갱。
    In view of the strip type pit - like defect on ship plate in NISCO,the paper analyzes the cau-ses of the defects according to their distribution state and morphology features,and believes that the defect is caused by lower pressure of rough descaling nozzle. The defects are eliminated by maintaining and repairing the nozzles.
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