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As the leading industrial solid-state laser manufacturer,RFH laser company offer 355nm ultraviolet (UV) laser,nanosecond 532nm green laser and customized laser ,power range in 3W ,5W ,10W ,15W,18W,35W,for marking plastics,gla
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Shenzhen RFH Laser Technology Co.,Ltd was founded in 2007 with headquarters in Shenzhen High-Tech Industrial Park, branch offices in Wuhan and Suzhou and production base in Huiyang.
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After 16 years of development, RFH now has an industrial laser oriented R&D team made up of top professionals and experts from both home and abroad. Its R&D departments cover engineering, laser and electric.
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紫外绿光激光器打孔应用熔喷布丝板模具的效果
Release time:2021/09/15
紫外绿光激光器打孔应用熔喷布丝板模具的效果

口罩生产过程中的无纺布是熔喷布丝板模具加工而得,熔喷生产设备主机的核心部件是喷丝模头(喷丝板),该模具上有许多供熔体通过的喷丝孔,其生产及加工至关重要,关系到熔喷布的生产效率及品质。这些微孔则关系到激光打孔机的作用。
熔喷布是以熔喷法成形的非织造布,主要以聚丙烯为主要原料,熔喷布的实际生产过程较为复杂,对生产设备的要求也较高,其生产主要经过“ 熔体准备-过滤-计量-熔体从喷丝孔挤出-熔体细流牵伸与冷却-成网”等六道工序。熔喷生产设备主机的熔喷布模具,该模具上有许多供熔体通过的喷丝孔,其生产及加工至关重要,关系到熔喷布的生产效率及品质,一般情况下,熔喷布模具上的喷丝孔孔径为0.3-0.4 mm ,喷丝孔间距为12-16 孔/cm ,要如果要达到高防护口罩熔喷层的防护要求,需要用激光打孔机进行模具的打孔加工,再通过熔喷布喷丝板上的孔喷出来的丝越细密越好。瑞丰恒激光自主研发的紫外绿光激光打孔机,可以精准到0.2mm,加工微孔质量高,对于加工后无需进行挤压研磨等后处理工序,打孔的位置光滑平整,其生产的喷丝板出丝顺畅不堵孔、纤维更柔软、熔喷布防护性更好,这样生产出来的熔喷布质量更佳,解决了熔喷布喷丝板模具的高质量加工难题。
疫情现在相对已经缓解,但是口罩的需求还在不断增加,熔喷布的要求不只是数量,还要求质量,这对于熔喷布丝板模具的加工作业就相对严峻,激光打孔机有力的助于企业完成这一阶段的难关。
关键词: 紫外绿光激光器
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