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  • 產品名稱: 汽車制(zhi)造廠螺母點焊機(ji)
  • 產品分類(lei): 點焊機系列
  • 聯系方式:
  • 公司(si)名稱(cheng): 山東億(yi)寶焊接設備有(you)限公司
  • 公司地址:臨沂市郯(tan)城縣(xian)紅花鎮(zhen)渠(qu)溝村(cun)88號
  • 添加時間(jian): 21/05/20
產品詳情
汽車制(zhi)造廠螺母(mu)點焊機的原理(li)介紹:
點(dian)焊機又叫電阻焊機,是(shi)利用電流通(tong)過工件焊接(jie)點(dian)產生的(de)電阻熱進行焊接(jie)的(de)原理。
工作時兩個電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)加(jia)壓工件使(shi)兩層金屬在兩電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)的壓力下形成一(yi)定的接(jie)(jie)觸(chu)電(dian)(dian)(dian)(dian)(dian)阻(zu),而焊接(jie)(jie)電(dian)(dian)(dian)(dian)(dian)流從一(yi)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)流經另(ling)一(yi)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)時在兩接(jie)(jie)觸(chu)電(dian)(dian)(dian)(dian)(dian)阻(zu)點形成瞬間(jian)的熱熔(rong)接(jie)(jie),且焊接(jie)(jie)電(dian)(dian)(dian)(dian)(dian)流瞬間(jian)從另(ling)一(yi)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)沿(yan)兩工件流至此電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)形成回路,不傷及被(bei)焊工件的內部結構。
點(dian)(dian)焊(han)(han)(han)的(de)工藝過程將(jiang)焊(han)(han)(han)件表面清理干凈送入(ru)上、下電極(ji)之間(jian),施(shi)加(jia)壓力(li),使(shi)其接(jie)觸(chu)良好;通(tong)電使(shi)兩(liang)工件接(jie)觸(chu)表面受熱(re),局部(bu)熔(rong)化,形(xing)(xing)成熔(rong)核(he);斷電后保(bao)持壓力(li),使(shi)熔(rong)核(he)在壓力(li)下冷卻凝固形(xing)(xing)成焊(han)(han)(han)點(dian)(dian);去除壓力(li),取出工件。
焊(han)接電(dian)流、電(dian)極(ji)壓力、通電(dian)時間及(ji)電(dian)極(ji)工(gong)作表面尺寸等點焊(han)工(gong)藝參數(shu)對(dui)焊(han)接質量有重(zhong)大影響。
焊(han)件預(yu)備及(ji)(ji)安(an)裝:鋼焊(han)件焊(han)前須鏟除全部(bu)臟物(wu)、油污、氧化(hua)皮及(ji)(ji)鐵銹,對熱軋鋼,把焊(han)接處先經(jing)過酸洗、噴砂或用(yong)砂輪鏟除氧化(hua)皮。未(wei)經(jing)清理的焊(han)件雖能進行點焊(han),但是嚴重地下(xia)降(jiang)電極的運用(yong)壽命,一起下(xia)降(jiang)點焊(han)的出產功率(lv)和質量。關于有薄鍍層(ceng)的中低碳鋼可以直(zhi)接施焊(han)。



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更新時間:21/05/20 17:22:05  
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