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你知道波纹膨胀节所能承受的极限温度是多少吗?

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你知道波纹膨胀节所能承受的极限温度是多少吗?

发布日期:2018-02-19 作者:贵州波纹管销售厂家 点击:

翡翠棋牌NIZHIDAOBOWENPENGZHANGJIESUONENGCHENGSHOUDEJIXIANWENDUSHIDUOSHAOMA?

Do you know what the limit temperature can be borne by the corrugated expansion joint?


贵州波纹管销售厂家

的金属膨胀节在焊接过程中,焊缝经常会有气孔发生,但是在正常工作中怎样来防止焊缝产生气孔呢?中科作为专业的膨胀节生产厂家,贵州波纹管销售厂家现在就金属波纹膨胀节在焊缝中有气孔发生来谈几点经验之谈,对气孔生产采取几项防范措施:

During the welding process of metal expansion joint of bellows manufacturer in Guizhou, there are always pores occurring. But how do we prevent pores from occurring in normal work? In science as a professional manufacturer of expansion joint bellows, Guizhou sales manufacturers now have metal bellows expansion joints porosity to talk about a few wise remark of an experienced person in the weld, take some preventive measures on stomatal production:


1、YANJINSHIYONGBIAOPIKAILIE、BIANZHI、BOLUO、PIANXINHUOHANXINYANZHONGXIUSHIDEHANTIAO;

1, prohibited the use of skin cracking, spalling, metamorphism, eccentric or severe corrosion of electrode welding core;


2、HANTIAOHEHANJISHIYONGQIAN,YINGANGUIDINGYAOQIUJINXINGHONGKAO,YIBANSUANXINGHANTIAOHONGKAOWENDUWEI150-200SHESHIDU,JIANXINGHANTIAOHONGKAOWENDUWEI350YI400SHESHIDU,HONGGANHOUFANGZAI100- 150℃DEHANTIAOBAOWENXIANGNEI,SUIYONGSUIQU,BINGQIEYAOYANGEANZHAOHANTIAOSHUOMINGSHUDEYAOQIUJINXINGHANTIAOHONGKAO,BUNENGYIJIAODIDEHONGGANWENDU、JIAOZHANGDEHONGKAOSHIJIANLAIDAITI,YEBUYIZHONGFUHONGGAN;

翡翠棋牌2, electrodes and flux before use should be according to the requirements of the general acid electrode baking, baking temperature is 150-200 degrees Celsius, the basic electrode baking temperature of 350 to 400 degrees Celsius, after drying on the 100-150 C electrode insulation box, with access to, and to conduct a manual welding electrode baking in strict accordance with the requirements no, instead of the drying temperature, baking time longer than the low, also should not be repeated drying;


3、QITIBAOHUHANSHIYAOZHUYIQITIDECHUNDUHEHANSHUILIANG,BIXUFUHEYOUGUANBIAOZHUNDEGUIDING,JIANGERYANGHUATANQIPINGDAOYAOYIDUANSHIJIANHOU,NENGCONGPINGFANEIFANGCHUQIPINGZHONGDECANCUNDESHUI,JIANGDIERYANGHUATANQITIZHONGDEHANSHUILIANG,ZAIQILUXITONGZHONGZHUANGSHEGANZAOQINENGJIANGDIBAOHUQITIHUOYIMEIZHONGDEHANSHUILIANG;

3, gas welding should pay attention to the purity of the gas and water, must comply with the provisions of the relevant standards, the carbon dioxide cylinder down. After a period of time, can release the cylinders in the remaining water from the bottle inside the valve, reduce the water content of carbon dioxide gas in the dryer set in the gas system which can reduce the protective gas or not the water content of b;


4、BOWENPENGZHANGJIETANSUGANGQIHANSHIYINGXUANYONGZHONGXINGYAN,CAOZUOSHIYAOSHULIAN,XIEDIAO。

翡翠棋牌4, bellows welding of carbon steel should be used in the operation to the neutral flame, good coordination.


5、PENGZHANGJIEHANJIESHIGONGQIANYINGDUIHANSI、MUCAIDEPOKOUJIQILIANGCEJINXINGQINGLI,CHEDICHUQUYOUWU、SHUIFEN、XIUBANDENGZANGWU;

5, the expansion of groove and welding section on both sides before the construction of base metal wire, with clean, thoroughly remove oil dirt, moisture, rust and other dirt;


翡翠棋牌6、XUANYONGHESHIDEHANJIEDIANLIUHEHANJIESUDU,CAIYONGDUANHUHANJIE,WEILIYUQITIDECHONGFENYICHU,BIMIANCHANSHENGQIKONGQUEXIAN,YUREKEJIANXIAOMANRONGDELENGQUESUDU;

6, choose the appropriate welding current and welding speed, and use short arc welding to facilitate the full escape of gas and avoid porosity defects. Preheating can reduce the cooling rate of slow melting.


7、HANJIESHIYINGFANGZHIFENGCHUIYULINDENGELIEHUANJINGDEYINGXIANG,SHIWAIJINXINGQITIBAOHUHANSHIYAOSHEZHIDANGFENGBAN,HANJIEGUANZISHIYAOZHUYIGUANNEICHUANTANGFENGDEYINGXIANG;。

7, welding should be to prevent the effects of wind and rain and other harsh environment, outdoor gas welding should be set when the wind board, welding pipes should pay attention to effect of tube chuantangfeng;.


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