![电厂粉煤灰库设备,粉煤灰库清理,大型粉煤灰库,粉煤灰库 电厂粉煤灰库设备,粉煤灰库清理,大型粉煤灰库,粉煤灰库](http://img3.dns4.cn/heropic/120860/p2/20160719165852_8848_zs_sy.jpg)
第三四层只是中间多出一道可是两道,中间的焊道以直线法为好。有两个要点:除最上方焊道外,一下方道都要近似台阶,以利于下一道的焊接;二是上一焊道压至下方焊道花纹的尖处,电厂粉煤灰库设备,这样能保证一层焊完后焊层的平整。
最后一层焊接完成后下方距下方焊件坡口边缘约0.5至1mm.上方为
第三四层只是中间多出一道可是两道,中间的焊道以直线法为好。有两个要点:除最上方焊道外,大型粉煤灰库,一下方道都要近似台阶,以利于下一道的焊接;二是上一焊道压至下方焊道花纹的尖处,粉煤灰库清理,这样能保证一层焊完后焊层的平整。
![](http://img3.dns4.cn/heropic/120860/p1/20160719165933_3071_zs_sy.jpg)
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最后一层焊接完成后下方距下方焊件坡口边缘约0.5至1mm.上方为
![](http://img3.dns4.cn/pic/120860/tuku/20160118214504_8364_zs_sy.jpg)
![](http://img3.dns4.cn/pic/120860/tuku/20160118214500_8004_zs_sy.jpg)
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清理工件→校对坡口角度→组装→定位焊→清渣→反变形→打底焊→填充焊→盖面焊→反转180°焊→清渣→检查。
(四)操作要领
(1)清理工件
校对坡口角度、组装、定位焊、清渣与开坡口平对接焊基本相同。组装时预留间隙2~3mm为宜,反变形角度2°~3°为宜。
(2)打底焊
v形坡口底部较窄,焊接时若工艺参数选择不当,操作方法不正确都会出现焊缝缺陷。为获得良好焊缝质量,粉煤灰库,应选用直径为3.2mn焊条,电流90~100A,焊条角度与焊缝成70°~80°,运条方法选用小三角形、小月牙形、锯齿形均可,操作方法选用跳弧焊,也可用灭弧焊。
![](http://img3.dns4.cn/pic/120860/qihuaguan/20160504160807_3035_zs_sy.jpg)
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粉煤灰库_浩大仓储_电厂粉煤灰库设备由山东聊城浩大钢板库技术开发有限公司提供。粉煤灰库_浩大仓储_电厂粉煤灰库设备是山东聊城浩大钢板库技术开发有限公司(www.haodagbk.com)今年全新升级推出的,以上图片仅供参考,请您拨打本页面或图片上的联系电话,索取新的信息,联系人:赵经理。