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激光切割技术的发展和工艺概述

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激光切割技术的发展和工艺概述

发布日期:2016-06-12 18:06 来源:http://ansxc.com 点击:

    激光切割是用聚焦镜将CO2激光束聚焦在材料表面使材料熔化,同时用与激光束同轴的压缩气体吹走被熔化的材料,并使激光束与材料沿一定轨迹作相对运动,从而形成一定形状的切缝。激光切割技术广泛应用于金属和非金属材料的加工中,可大大减少加工时间,降低加工成本,提高工件质量。

    

    JIGUANGQIEGEJISHUGUANGFANYINGYONGYUJINSHUHEFEIJINSHUCAILIAODEJIAGONGZHONG,KEDADAJIANSHAOJIAGONGSHIJIAN,JIANGDIJIAGONGCHENGBEN,TIGAOGONGJIANZHILIANG。MAICHONGJIGUANGSHIYONGYUJINSHUCAILIAO,LIANXUJIGUANGSHIYONGYUFEIJINSHUCAILIAO,HOUZHESHIJIGUANGQIEGEJISHUDEZHONGYAOYINGYONGLINGYU。XIANDAIDEJIGUANGCHENGLERENMENSUOHUANXIANGZHUIQIUDE“XUETIERUNI”DE“BAOJIAN”。

    

    激光切割是用聚焦镜将CO2激光束聚焦在材料表面使材料熔化,同时用与激光束同轴的压缩气体吹走被熔化的材料,并使激光束与材料沿一定轨迹作相对运动,从而形成一定形状的切缝。从二十世纪七十年代以来随着CO2激光器及数控技术的不断完善和发展,目前已成为工业上板材切割的一种先进的加工方法。在五、六十年代作为板材下料切割的主要方法中:对于中厚板采用氧乙炔火焰切割;对于薄板采用剪床下料,成形复杂零件大批量的采用冲压,单件的采用振动剪。七十年代后,为了改善和提高火焰切割的切口质量,又推广了氧乙烷精密火焰切割和等离子切割。为了减少大型冲压模具的制造周期,又发展了数控步冲与电加工技术。各种切割下料方法都有其优缺点,在工业生产中有一定的适用范围。

    

    SHIJIEDIYITAIJIGUANGQIEGEJISHIERSHISHIJIQISHINIANDAIDEDANSHENGDE。SANSHIDUONIANLAI,YOUYUYINGYONGLINGYUDEBUDUANKUODA,JIGUANGQIEGEJIBUDUANGAIJIN,GUOJIGUONEIYIYOUDUOJIAQIYECONGSHISHENGCHANGEZHONGJIGUANGQIEGEJIYIMANZUSHICHANGDEXUQIU,YOUERWEIPINGBANQIEGEJI、SANWEIKONGJIANQUXIANQIEGEJI、GUANZIQIEGEJIDENG。GUOWAIZHIMINGQIYEYOUDEGUOTrumpfGONGSI、YIDALIPrimaGONGSI、RUISHIBystronicGONGSI、RIBENAmadaGONGSI、MAZAKGONGSI、NTCGONGSI、AODALIYAHGLaserLabGONGSIDENG。

    

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    JIGUANGQIEGESHEBEIDEJIAGEXIANGDANGGUI,YUE150MEIYUANYISHANG。DANSHI,YOUYUJIANGDILEHOUXUGONGYICHULIDECHENGBEN,SUOYI,ZAIDASHENGCHANZHONGCAIYONGZHEIZHONGSHEBEIHAISHIKEXINGDE。YOUYUMEIYOUDAOJUJIAGONGCHENGBEN,SUOYIJIGUANGQIEGESHEBEIYESHIYONGSHENGCHANXIAOPILIANGDEYUANXIANBUNENGJIAGONGDEGEZHONGCHICUNDEBUJIAN。JIGUANGQIEGESHEBEITONGCHANGCAIYONGJISUANJIHUASHUZIKONGZHIJISHU(CNC)ZHUANGZHI,CAIYONGGAIZHUANGZHIHOU,JIUKEYILIYONGDIANHUAXIANCONGJISUANJIFUZHUSHEJI(CAD)GONGZUOZHANLAIJIESHOUQIEGESHUJU。

激光切割

JIGUANGQIEGEJISHUBIQITAFANGFADEMINGXIANYOUDIANSHI:

(1)QIEGEZHILIANGHAO。QIEKOUKUANDUZHAI(YIBANWEI0.1--0.5mm)、JINGDUGAO(YIBANKONGZHONGXINJUWUCHA0.1--0.4mm,LUNKUOCHICUNWUCHA0.1--0.5mm)、QIEKOUBIAOMIANCUCAODUHAO(YIBANRaWEI12.5--25μm),QIEFENGYIBANBUXUYAOZAIJIAGONGJIKEHANJIE。


(2)QIEGESUDUKUAI。LIRUCAIYONG2KWJIGUANGGONGLV,8mmHOUDETANGANGQIEGESUDUWEI1.6m/min;2mmHOUDEBUXIUGANGQIEGESUDUWEI3.5m/min,REYINGXIANGQUXIAO,BIANXINGJIXIAO。


(3)QINGJIE、ANQUAN、WUWURAN。DADAGAISHANLECAOZUORENYUANDEGONGZUOHUANJING。DANGRANJIUJINGDUHEQIEKOUBIAOMIANCUCAODUERYAN,CO2JIGUANGQIEGEBUKENENGCHAOGUODIANJIAGONG;JIUQIEGEHOUDUERYANNANYIDADAOHUOYANHEDENGLIZIQIEGEDESHUIPING。DANSHIJIUYISHANGXIANZHUDEYOUDIANZUYIZHENGMING:CO2JIGUANGQIEGEYIJINGHEZHENGZAIQUDAIYIBUFENCHUANTONGDEQIEGEGONGYIFANGFA,TEBIESHIGEZHONGFEIJINSHUCAILIAODEQIEGE。TASHIFAZHANXUNSU,RIYIGUANG,DEYIZHONGXIANJINJIAGONGFANGFA。


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相关标签:激光切割

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