1. 減壓器

  減壓(ya)(ya)器又稱壓(ya)(ya)力調節器，其(qi)作用(yong)是把儲存在氣瓶內的高壓(ya)(ya)氣體(ti)減壓(ya)(ya)至(zhi)焊接或(huo)切(qie)割所(suo)需的壓(ya)(ya)力，并保持壓(ya)(ya)力穩定。國產幾種常用(yong)氣體(ti)減壓(ya)(ya)器型號(hao)及技術參數(shu)見表(biao)2-37。

2. 流量(liang)計、氣體(ti)配比器

  流(liu)量的大小將(jiang)對焊接(jie)接(jie)頭質量有很(hen)大影(ying)響，轉(zhuan)子流(liu)量計是氣(qi)(qi)體(ti)保(bao)護焊中調節(jie)保(bao)護氣(qi)(qi)本(ben)流(liu)量的一種儀器(qi)。對于混合氣(qi)(qi)體(ti)保(bao)護焊還需氣(qi)(qi)體(ti)配比(bi)器(qi)，來控制不同氣(qi)(qi)體(ti)流(liu)量的裝置。

  有(you)關轉(zhuan)子流(liu)量計和氣體配比器(qi)的型號及技術(shu)數(shu)據見表2-38和表2-39。

3. 手工鎢(wu)極氬弧焊(han)(han)焊(han)(han)槍

  手(shou)工(gong)(gong)(gong)(gong)鎢極氬弧焊(han)(han)(han)(han)焊(han)(han)(han)(han)槍是(shi)手(shou)工(gong)(gong)(gong)(gong)氣(qi)體(ti)保(bao)護焊(han)(han)(han)(han)在使用過程中(zhong)不(bu)可缺少(shao)的(de)一種(zhong)工(gong)(gong)(gong)(gong)具。它除了具有焊(han)(han)(han)(han)條電弧焊(han)(han)(han)(han)用焊(han)(han)(han)(han)鉗的(de)性能外，還要(yao)(yao)求焊(han)(han)(han)(han)槍輕(qing)便、靈活(huo)，便于(yu)焊(han)(han)(han)(han)工(gong)(gong)(gong)(gong)在不(bu)同位(wei)置長時(shi)間不(bu)間斷(duan)地工(gong)(gong)(gong)(gong)作(zuo)，以及具有良好的(de)絕緣性，保(bao)證使用者安全(quan)。手(shou)工(gong)(gong)(gong)(gong)鎢極氬弧焊(han)(han)(han)(han)焊(han)(han)(han)(han)槍通常有兩(liang)種(zhong)：一種(zhong)是(shi)氣(qi)冷式(shi)(shi)，另(ling)一種(zhong)是(shi)水(shui)(shui)冷式(shi)(shi)。對(dui)于(yu)水(shui)(shui)冷式(shi)(shi)焊(han)(han)(han)(han)槍要(yao)(yao)保(bao)證水(shui)(shui)流暢通，不(bu)能有堵塞和滲漏(lou)現(xian)象，不(bu)然(ran)(ran)在施焊(han)(han)(han)(han)過程中(zhong)突然(ran)(ran)中(zhong)斷(duan)除會(hui)影(ying)響(xiang)正常施工(gong)(gong)(gong)(gong)外，還會(hui)對(dui)焊(han)(han)(han)(han)接質(zhi)量(liang)造成極大的(de)影(ying)響(xiang)。氣(qi)冷式(shi)(shi)焊(han)(han)(han)(han)槍的(de)氣(qi)管(guan)同樣要(yao)(yao)保(bao)持氣(qi)流暢通，特(te)別是(shi)新焊(han)(han)(han)(han)槍使用前，要(yao)(yao)將氣(qi)管(guan)中(zhong)殘留多余物吹除干凈，這樣才能保(bao)證輸送(song)氣(qi)體(ti)的(de)純度，不(bu)然(ran)(ran)將會(hui)直(zhi)接影(ying)響(xiang)焊(han)(han)(han)(han)接接頭質(zhi)量(liang)。

  常(chang)用的氣冷式(shi)和水冷式(shi)焊槍型號(hao)和技術數據見表2-40。

  表2-40常用(yong)的氣冷式(shi)和水冷式(shi)焊(han)槍型號和技(ji)術(shu)數據