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时间:2020-09-11
《焊剂使用的注意事项.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、焊剂使用的注意事项Fluxusingthemattersneedingattention(1)焊剂应放在干燥的库房内。库房内应装有去湿机,控制室内湿度,防止焊剂受潮,影响焊接质量。(1)fluxshouldbekeptindryinsidestoreroom.WarehouseshouldbeequippedwithQuShiJi,controltheindoorhumidity,preventfluxbeaffectedwithdampbeaffectedwithdamp,affecttheweldingquality.(2)焊剂使用前应按说明书所规定的参数进行烘焙,通常在250
2、至300摄氏度:烘焙2小时。(2)thefluxshouldbeaccordingtotheinstructionmanualbeforeusingtheparametersspecifiedinbaking,usuallyfrom250to250degreesCelsius,bakefor2hours.(3)为防止产生气孔,焊前接缝处及其附近20毫米的焊件表面应清除铁锈、油污、水分等杂质。(3)topreventblowholes,beforeweldingseamsonthesurfaceoftheweldanditsnear20mmshouldremoverust,oil,w
3、aterandotherimpurities.(4)回收的焊剂,应过筛清除渣壳、碎粉及其他杂物,与新焊剂按比例混合均匀后使用。(4)therecyclingflux,sievingshouldbeclear,crushedslagshellpowderandothergroceries,andthenewfluxproportionalmixingafteruse.(5)埋弧焊的焊剂必须与所焊钢种和焊丝相匹配,保证焊接质量和焊缝性能。电渣焊的焊剂应具有适当的导电率;适当的黏度;较髙的蒸发温度;良好的脱渣性、抗裂性和抗气孔的能力。(5)ofthesubmergedarcwelding
4、fluxmustmatchtheweldingsteelandweldingwire,ensurethequalityofweldingandweldingperformance.Electroslagweldingfluxshouldhaveappropriateconductivity;Theproperviscosity;Ahighevaporationtemperature.Goodtotakeofftheslagresistance,crackresistanceandstomatalresistanceability.
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