江門醫用鉛門行情走勢 <江門>泰聚金屬材料有限公司

防輻(fu)射(she)鉛(qian)(qian)門的基本焊(han)(han)(han)(han)(han)(han)接工(gong)(gong)藝(yi)參數防輻(fu)射(she)鉛(qian)(qian)門焊(han)(han)(han)(han)(han)(han)接基本工(gong)(gong)藝(yi)參數主要有焊(han)(han)(han)(han)(han)(han)條(tiao)(tiao)或(huo)焊(han)(han)(han)(han)(han)(han)絲(si)(si)直(zhi)徑(jing)、焊(han)(han)(han)(han)(han)(han)接電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)、運條(tiao)(tiao)方(fang)法或(huo)焊(han)(han)(han)(han)(han)(han)絲(si)(si)橫向(xiang)擺動、弧(hu)(hu)(hu)(hu)長(chang)與電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)(hu)(hu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)、焊(han)(han)(han)(han)(han)(han)接速度等。 1.焊(han)(han)(han)(han)(han)(han)條(tiao)(tiao)直(zhi)徑(jing)在(zai)焊(han)(han)(han)(han)(han)(han)條(tiao)(tiao)電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)(hu)(hu)焊(han)(han)(han)(han)(han)(han)中，焊(han)(han)(han)(han)(han)(han)條(tiao)(tiao)直(zhi)徑(jing)的選(xuan)擇(ze)2.焊(han)(han)(han)(han)(han)(han)絲(si)(si)直(zhi)徑(jing)焊(han)(han)(han)(han)(han)(han)絲(si)(si)是(shi)氣焊(han)(han)(han)(han)(han)(han)、氣體保護焊(han)(han)(han)(han)(han)(han)和埋(mai)弧(hu)(hu)(hu)(hu)自(zi)動焊(han)(han)(han)(han)(han)(han)時(shi)使用(yong)的焊(han)(han)(han)(han)(han)(han)接材(cai)料(liao)，其選(xuan)擇(ze)參照表。二、焊(han)(han)(han)(han)(han)(han)接電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)防輻(fu)射(she)鉛(qian)(qian)門焊(han)(han)(han)(han)(han)(han)接電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)是(shi)重(zhong)(zhong)要的工(gong)(gong)藝(yi)參數，選(xuan)擇(ze)焊(han)(han)(han)(han)(han)(han)接電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)應(ying)考慮(lv)如下(xia)問題，選(xuan)擇(ze)焊(han)(han)(han)(han)(han)(han)接電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)應(ying)考慮(lv)如下(xia)三、電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)(hu)(hu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(弧(hu)(hu)(hu)(hu)長(chang))在(zai)焊(han)(han)(han)(han)(han)(han)接中，電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)(hu)(hu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)往往是(shi)被人忽(hu)視的參數。其實(shi)，對(dui)焊(han)(han)(han)(han)(han)(han)接質量(liang)也(ye)有重(zhong)(zhong)大影(ying)響(xiang)。電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)(hu)(hu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)的大小與弧(hu)(hu)(hu)(hu)長(chang)成正比，電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)(hu)(hu)I度越大，電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)(hu)(hu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)越高(gao)，反之越低。在(zai)焊(han)(han)(han)(han)(han)(han)接操作時(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)(hu)(hu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)不(bu)(bu)宜太高(gao)(電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)(hu)(hu)不(bu)(bu)宜過(guo)(guo)(guo)(guo)長(chang))，電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)(hu)(hu)壓(ya)(ya)(ya)太高(gao)有如下(xia)害處:①電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)(hu)(hu)燃燒不(bu)(bu)穩定；②容(rong)易導致飛(fei)濺增大；③減小熔化深度；④易產生咬邊、氣孔等缺陷。因(yin)此，焊(han)(han)(han)(han)(han)(han)接操作時(shi)，在(zai)不(bu)(bu)短路(lu)(lu)的情況下(xia)應(ying)盡量(liang)采用(yong)短弧(hu)(hu)(hu)(hu)焊(han)(han)(han)(han)(han)(han)。另(ling)外。不(bu)(bu)同的電(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)(hu)(hu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)會(hui)使熔滴的過(guo)(guo)(guo)(guo)渡(du)(du)形式發生變化:一般來說，短路(lu)(lu)過(guo)(guo)(guo)(guo)渡(du)(du)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)較(jiao)低，電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)較(jiao)小；噴(pen)射(she)過(guo)(guo)(guo)(guo)渡(du)(du)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)較(jiao)高(gao)，電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)較(jiao)大；而大滴過(guo)(guo)(guo)(guo)渡(du)(du)時(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)和電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)都介于(yu)兩者(zhe)之間(jian)，但飛(fei)濺大，故(gu)一般不(bu)(bu)采用(yong)。