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快速成型技术的原理介绍

发布日期:2020-07-18 来源:sszfzx.com

快速自动成型(Rapid Prototyping)技术是近年来发展起来的直接根据CAD模型快速生产样件或零件的成组技术总称,它集成了CAD技术、数控技术。激光技术和材料技术等现代科技成果:是先进制造技术的重要组成部分。与传统制造方法不同,快速成型从零件的CAD几何模型出发,通过软件分层离散和数控成型系统,用激光束或其他方法将材料堆积而形成实体零件。由于它把复杂的三维制造转化为一系列二维制造的叠加,因而可以在不用模具和工具的条件下生成几乎任意复杂的零部件,极大地提高了生产效率和制造柔性。


   KUAISUZIDONGCHENGXINGJISHUWENSHIBUDAOSHINIAN,YISHIXIANLEXIANGDANGDADESHICHANG,FAZHANFEICHANGXUNSU。RENMENDUICAILIAOZHUCENGTIANJIAFAZHEIZHONGXINDEZHIZAOFANGFAYIZHUBUSHIYING。ZHIZAOXINGYEDEGONGZUORENYUANDOUXIANGFANGSHEFALIYONGZHEIZHONGXIANDAIHUASHOUDUAN,YUCHUANTONGZHIZAOJISHUDEJIEGUIGONGZUOYEJINZHANSHUNLI。RENMENYONGQIZHANGBIGONGDUAN,XIAOYIFEIFAN。YUSHUKONGJIAGONG、ZHUZAO、JINSHULENGPENTU、GUIJIAOMODENGZHIZAOSHOUDUANYIQI,KUAISUZIDONGCHENGXINGYICHENGWEIXIANDAIMOXING、MOJUHELINGJIANZHIZAODEQIANGYOULISHOUDUAN,ZAIHANGKONGHANGTIAN、QICHEMOTUOCHE、JIADIANDENGLINGYUDEDAOLEGUANGFANYINGYONG。


   KUAISUCHENGXINGDEGUOCHENGSHISHOUXIANSHENGCHENGYIGECHANPINDESANWEICADSHITIMOXINGHUOQUMIANMOXINGWENJIAN,JIANGQIZHUANHUANCHENGSTLWENJIANGESHI,ZAIYONGYIRUANJIANCONGSTLWENJIAN "QIE"(Slice)CHUSHEDINGHOUDUDEYIXILIEDEPIANCENG,HUOZHEZHIJIECONGCADWENJIANQIECHUYIXILIEDEPIANCENG,ZHEIXIEPIANCENGANCIXULEIJIQILAIRENGSHISUOSHEJILINGJIANDEXINGZHUANG。RANHOU,JIANGSHANGSHUMEIYIPIANCENGDEZILIAOCHUANDAOKUAISUZIDONGCHENGXINGJIZHONGQU,LEISIYUJISUANJIXIANGDAYINJICHUANDIDAYINXINXI,YONGCAILIAOTIANJIAFAYICIJIANGMEIYICENGZUOCHULAIBINGTONGSHILIANJIEGECENG,ZHIDAOWANCHENGZHENGGELINGJIAN。YINCI,KUAISUZIDONGCHENGXINGKEDINGYIWEIYIZHONGJIANGJISUANJIZHONGCHUCUNDERENYISANWEIXINGTIXINXITONGGUOCAILIAOZHUCENGTIANJIAFAZHIJIEZHIZAOCHULAI,ERBUXUYAOTESHUDEMOJU、GONGJUHUORENGONGGANSHEDEXINXINGZHIZAOJISHU。


   KUAISUCHENGXINGJISHUYUCHUANTONGFANGFAXIANGBIJUYOUDUTEDEYOUYUEXINGHETEDIAN:


   (1)CHANPINZHIZAOGUOCHENGJIHUYULINGJIANDEFUZAXINGWUGUAN,KESHIXIANZIYOUZHIZAO(Free FormFabrication),ZHEISHICHUANTONGFANGFAWUFABINIDE。


   (2)CHANPINDEDANJIAJIHUYUPILIANGWUGUAN,TEBIESHIHEYUXINCHANPINDEKAIFAHEDANJIANXIAOPILIANGLINGJIANDESHENGCHAN。


   (3)YOUYUCAIYONGFEIJIECHUJIAGONGDEFANGSHI,MEIYOUGONGJUGENGHUANHEMOSUNZHILEIDEWENTI,KEZUODAOWURENZHISHOU,WUXUJIJIAGONGFANGMIANDEZHUANMENZHISHIJIUKECAOZUO。


   (4)WUQIEGE、ZAOYINHEZHENDONGDENG,YOULIYUHUANBAO。


   (5)ZHENGGESHENGCHANGUOCHENGSHUZIHUA,YUCADMOXINGJUYOUZHIJIEDEGUANLIAN,LINGJIANKEDAKEXIAO,SUOJIANJISUODE,KESUISHIXIUGAI,SUISHIZHIZAO。


   (6)YUCHUANTONGFANGFAJIEHE,KESHIXIANKUAISUZHUZAO,KUAISUMOJUZHIZAO,XIAOPILIANGLINGJIANSHENGCHANDENGGONGNENG,WEICHUANTONGZHIZAOFANGFAZHURUXINDEHUOLI。GUANGGUHUALITIZAOXING(SL—Stereolithography)


   GAIJISHUYIGUANGMINSHUZHIWEIYUANLIAO,JIANGJISUANJIKONGZHIXIADEZIWAIJIGUANGANYUDINGLINGJIANGEFENCENGJIEMIANDELUNKUOWEIGUIJIDUIYETAISHUZHIZHUDIANSAOMIAO,SHIBEISAOMIAOQUDESHUZHIBOCENGCHANSHENGGUANGJUHEFANYING,CONGERXINGCHENGLINGJIANDEYIGEBOCENGJIEMIAN。DANGYICENGGUHUAWANBI,YIDONGGONGZUOTAI,ZAIYUANXIANGUHUAHAODESHUZHIBIAOMIANZAIFUSHANGYICENGXINDEYETAISHUZHIYIBIANJINXINGXIAYICENGSAOMIAOGUHUA。XINGUHUADEYICENGLAOGUDIZHANHEZAIQIANYICENGSHANG,RUCIZHONGFUZHIDAOZHENGGELINGJIANYUANXINGZHIZAOWANBI。


   SLFASHIDIYIGETOURUSHANGYEYINGYONGDERPJISHU。MUQIANQUANQIUXIAOSHOUDESLSHEBEIYUEZHANRPSHEBEIZONGSHUDE70%ZUOYOU。 ZHEIZHONGFANGFADETEDIANSHIJINGDUGAO、BIAOMIANZHILIANGHAO。YUANCAILIAOLIYONGLVJIANGJIN100%,NENGZHIZAOXINGZHUANGTEBIEFUZA(RUKONGXINLINGJIAN)、TEBIEJINGXI(RUSHOUSHI、GONGYIPINDENG)DELINGJIAN。


   FENCENGWUJIANZHIZAO(LOM—Laminated Object Manufacturing)


   LOMGONGYIJIANGDANMIANTUYOURERONGJIAODEZHIPIANTONGGUOJIAREGUNJIAREZHANJIEZAIYIQI,WEIYUSHANGFANGDEJIGUANGQIANZHAOCADFENCENGMOXINGSUOHUOSHUJU,YONGJIGUANGSHUJIANGZHIQIEGECHENGSUOZHILINGJIANDENEIWAILUNKUO,RANHOUXINDEYICENGZHIZAIDIEJIAZAISHANGMIAN,TONGGUOREYAZHUANGZHIHEXIAMIANYIQIEGECENGZHANHEZAIYIQI,JIGUANGSHUZAICIQIEGE,ZHEIYANGFANFUZHUCENGQIEGEYIZHANHEYIQIEGE……ZHIZHIZHENGGELINGJIANMOXINGZHIZUOWANCHENG。


   XUANZEXINGJIGUANGSHAOJIE(SLS—Se1ected Laser Sintering)


   GAIFACAIYONGCO2JIGUANGQIZUONENGYUAN,MUQIANSHIYONGDEZAOXINGCAILIAODUOWEIGEZHONGFENWEICAILIAO。ZAIGONGZUOTAISHANGJUNYUNPUSHANGYICENGHENBO


   (100μ~200μ)DEFENWEI,JIGUANGSHUZAIJISUANJIKONGZHIXIAANZHAOLINGJIANFENCENGLUNKUOYOUXUANZEXINGDIJINXINGSHAOJIE,YICENGWANCHENGHOUZAIJINXINGXIAYICENGSHAOJIE。QUANBUSHAOJIEWANHOUQUDIAODUOYUDEFENWEI,ZAIJINXINGDAMO、HONGGANDENGCHULIBIANHUODELINGJIAN。MUQIAN,CHENGSHUDEGONGYICAILIAOWEILAFENJISULIAOFEN,YONGJINSHUFENHUOTAOCIFENJINXINGZHANJIEHUOSHAOJIEDEGONGYIHAIZHENGZAISHIYANYANJIUJIEDUAN。


   RONGRONGCHENJIZAOXING(FDM—Fused Deposition Modeling)


   FDMGONGYIDEGUANJIANSHIBAOCHIBANLIUDONGCHENGXINGCAILIAOGANGHAOZAIRONGDIANZHISHANG(TONGCHANGKONGZHIZAIBIRONGDIANGAO1℃ZUOYOU)。FDMPENTOUSHOUCADFENCENGSHUJUKONGZHISHIBANLIUDONGZHUANGTAIDERONGSICAILIAO(SICAIZHIJINGYIBANZAI1.5mmYISHANG)CONGPENTOUZHONGJIYACHULAI,NINGGUXINGCHENGLUNKUOXINGZHUANGDEBOCENG。MEICENGHOUDUFANWEIZAI0.025~0.762mm,YICENGDIEYICENGZUIHOUXINGCHENGZHENGGELINGJIANMOXING.



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