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In April 2017, Tong Hi-Tech undertook the project of Changan Automobile’s new factory in Hefei base, responsible for the “turnkey project” of the laser soldering station for the top cover of the S311 model.
According to customer needs, the project adopts a double-station layout plan, an upper and lower two-tier structure, 4 laser welding robots and 2 roof gripper handling robots, of which a single station can reach 4 models +30JPH production capacity, 60JPH reserved for speed increase Potential, truly achieve the "three high" requirements of high flexibility, high beat, high quality.
該項目是長安汽車在合肥的新建工廠，車頂激光站采用雙復制并排站的布局形式，每個激光站分為上下兩層鋼結構，總占地面積為7x9.5x6米，一層為輸送滾床、龍門架及左右各1臺激光釬焊機器人，二層鋼平臺上布局1臺車頂抓搬運機器人及4套夾具庫位。
? 單工位25JPH+4車型柔性生產(chǎn)，節(jié)拍CT=123s，預留60JPH提速潛能；
? 常規(guī)條件下雙工位可實現(xiàn)60JPH以上及8車型的產(chǎn)能；
? 雙工位方案可實現(xiàn)工位間的一用一備，可確保產(chǎn)線不停機；
? 激光釬焊系統(tǒng)采用世界先進主流工藝設備配置，可實現(xiàn)高品質焊接質量要求；
? 工位采用同高科技自主研發(fā)的雙層鋁合金的防護系統(tǒng)，并通過德國TUV安全檢測及認證；
2D布局圖
項目采用長安激光標準工藝，車頂為鍍鋅板，側圍為碳鋼板，焊縫搭接形式如圖所示。激光焦點尺寸為3.2mm，焊絲為CuSi3，直徑1.6mm，配合熱絲工藝，預熱電流<230A。
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