无吸收剂激光透射焊接PVC/PC塑料工艺研究  

Study on Absorber-free Laser Transmission Welding of PVC/PC Plastic

作　　者：蔡令波 曲兆展 王剑磊 谢良越 孟宪凤 王春 Cai Lingbo;Qu Zhaozhan;Wang Jianlei;Xie Liangyue;Meng Xianfeng;Wang Chun(Center for Optics Research and Engineering,Shandong University,Qingdao,Shandong 266237,China)

机构地区：[1]山东大学光学高等研究中心,山东青岛266237

出　　处：《应用激光》2022年第12期8-13,共6页Applied Laser

摘　　要：使用1710 nm半导体激光器对PVC(聚氯乙烯)与PC(聚碳酸酯)异种透明塑料板材进行了无吸收剂激光透射焊接试验。以激光功率、焊接速度及离焦量作为影响焊接效果的三个变量设计了多组对比试验,得到了焊接效果理想的焊接试件。结果表明,激光功率为20 W、焊接速度为10 mm/s、离焦量为-4 mm时,得到的焊接试件表面平整,焊缝均匀无气泡,试件所承受的拉断力最大。Absorber-free laser transmission welding of PVC(polyvinyl chloride)and PC(polycarbonate)was conducted by using a 1710 nm semiconductor laser.The welding specimens with ideal welding effect was obtained through designing multiple comparative tests by taking laser power,welding speed,and defocus distance as three factors that affecting the welding results.The results show that the welding specimens has the flat surface,uniform weld seam without bubbles,and the largest breaking force when the laser power of 20 W,welding speed of 10 mm/s,and the defocus distance of-4 mm.

关 键 词：1710 nm半导体激光器 聚氯乙烯 聚碳酸酯 无吸收剂 透射焊接 离焦量 

分 类 号：TG456.7[金属学及工艺—焊接]