Mwachidule kupanga, ndizovuta kutchula ukadaulo wabwinoko kuposa makina a CNC.Imakhala ndi zabwino zambiri kuphatikiza kuthekera kopitilira muyeso, kulondola komanso kubwerezabwereza, kusankha kwakukulu kwa zida, komanso kugwiritsa ntchito mosavuta.Ngakhale pafupifupi chida chilichonse chamakina chimatha kuyendetsedwa ndi manambala, makina owongolera manambala apakompyuta nthawi zambiri amatanthauza mphero ndi kutembenuka kwamitundu yambiri.
Kuti mudziwe zambiri za momwe makina a CNC amagwiritsidwira ntchito pakupanga makina, kupanga voliyumu yochepa ndi prototyping, engineering.com inalankhula ndi Wayken Rapid Manufacturing, ntchito yopangira makina a Shenzhen yokhudzana ndi zipangizo, teknoloji, kugwiritsa ntchito ndi kugwiritsa ntchito zipangizo zamakina a CNC. .
Zikafika pazida, ngati zibwera mumasamba, mbale kapena masheya, ndiye kuti mutha kuzipanga.Pakati pa mazana azitsulo zazitsulo ndi ma polima apulasitiki omwe amatha kupangidwa, mapulasitiki a aluminiyamu ndi mainjiniya ndiofala kwambiri pakupangira makina.Zigawo zapulasitiki zomwe zimapangidwira kuti zipangidwe pakupanga kwakukulu nthawi zambiri zimapangidwira mu gawo la prototype pofuna kupewa kukwera mtengo ndi nthawi yotsogolera kupanga nkhungu.
Kupeza zinthu zosiyanasiyana ndikofunikira makamaka popanga prototyping.Chifukwa zida zosiyanasiyana zimakhala ndi mtengo wosiyanasiyana komanso mawonekedwe osiyanasiyana amakina ndi mankhwala, zingakhale bwino kudula fanizo muzinthu zotsika mtengo kuposa zomwe zakonzedweratu, kapena chinthu china chingathandize kukulitsa mphamvu, kuuma kapena kulemera kwa gawolo. mogwirizana ndi mapangidwe ake.Nthawi zina, chinthu china cha prototype chimatha kuloleza kumaliza kwinakwake kapena kukhala olimba kuposa gawo lopanga kuti athandizire kuyesa.
Zosiyana ndi zotheka, ndi zinthu zotsika mtengo zomwe zimalowa m'malo mwa utomoni wauinjiniya ndi ma aloyi achitsulo ochita bwino kwambiri pomwe chithunzicho chimagwiritsidwa ntchito ngati cheke choyenerera kapena kumanga mockup.
Ngakhale kuti amapangidwira kupanga zitsulo, mapulasitiki amatha kupangidwa bwino ndi chidziwitso ndi zipangizo zolondola.Ma thermoplastics ndi thermosets onse ndi osavuta kugwiritsa ntchito ndipo ndi okwera mtengo kwambiri poyerekeza ndi nkhungu za jakisoni wanthawi yayitali pamagawo ofananirako.
Poyerekeza ndi zitsulo, ma thermoplastics ambiri monga PE, PP kapena PS amasungunuka kapena kutenthedwa ngati apangidwa ndi ma feed ndi liwiro lodziwika bwino pakupanga zitsulo.Kuthamanga kwapamwamba kwambiri komanso kutsika kwa chakudya kumakhala kofala, ndipo zida zodulira ngati ma angle a rake ndizofunikira.Kuwongolera kutentha m'madulidwe ndikofunikira, koma mosiyana ndi zitsulo zoziziritsa kukhosi sizimapopera mumdulidwe kuti ziziziziritsa.Mpweya wopanikizidwa ungagwiritsidwe ntchito kuchotsa tchipisi.
Thermoplastics, makamaka magiredi osadzaza zinthu, amapunduka ngati mphamvu yodulira ikugwiritsidwa ntchito, zomwe zimapangitsa kuti zikhale zovuta kukwaniritsa zolondola kwambiri ndikusunga kulolerana kwapafupi, makamaka pazinthu zabwino ndi tsatanetsatane.Kuyatsa magalimoto ndi magalasi ndizovuta kwambiri.
Ali ndi zaka zopitilira 20 ndi makina apulasitiki a CNC, Wayken amagwiritsa ntchito ma prototypes owoneka ngati magalasi apagalimoto, maupangiri opepuka ndi zowunikira.Mukamapanga mapulasitiki omveka bwino monga polycarbonate ndi acrylic, kukwaniritsa kutha kwapamwamba pakupanga makina kumatha kuchepetsa kapena kuthetsa ntchito zopangira monga kugaya ndi kupukuta.Makina opangira ma Microfine pogwiritsa ntchito single point diamond Machining (SPDM) amatha kulondola osakwana 200 nm ndikuwongolera kuuma kwapansi kosakwana 10 nm.
Ngakhale zida zodulira carbide zimagwiritsidwa ntchito kwambiri pazinthu zolimba monga zitsulo, zimakhala zovuta kupeza chida choyenera cha geometry chodula aluminium mu zida za carbide.Pachifukwa ichi, zida zodulira zitsulo zothamanga kwambiri (HSS) zimagwiritsidwa ntchito nthawi zambiri.
CNC aluminiyamu Machining ndi imodzi mwazosankha zambiri zakuthupi.Poyerekeza ndi mapulasitiki, aluminiyumu imadulidwa pakudya kwambiri komanso kuthamanga kwambiri, ndipo imatha kudulidwa mouma kapena ndi zoziziritsa kukhosi.Ndikofunikira kuzindikira kalasi ya aluminiyamu mukakhazikitsa kuti mudule.Mwachitsanzo, giredi 6000 ndizofala kwambiri, ndipo zili ndi magnesium ndi silicon.Ma aloyiwa amapereka magwiridwe antchito apamwamba poyerekeza ndi magiredi 7000, mwachitsanzo, omwe ali ndi zinki monga chopangira choyambirira, ndipo amakhala ndi mphamvu zambiri komanso kulimba.
Ndikofunikiranso kuzindikira kupsa mtima kwa zida za aluminiyamu.Matchulidwewa akuwonetsa chithandizo chamafuta kapena kuuma kwamphamvu, mwachitsanzo, kuti zinthu zachitika ndipo zimatha kukhudza magwiridwe antchito pakumakina komanso kugwiritsidwa ntchito komaliza.
Makina asanu a CNC axis ndi okwera mtengo kwambiri kuposa makina atatu ozungulira, koma akukula kwambiri pamakampani opanga chifukwa cha zabwino zingapo zaukadaulo.Mwachitsanzo, kudula gawo lokhala ndi mbali zonse ziwiri kumatha kukhala mwachangu kwambiri ndi makina a 5-axis, popeza gawolo limatha kukonzedwa mwanjira yakuti spindle imatha kufikira mbali zonse ziwiri pogwira ntchito yomweyo, pomwe ndi makina a 3 axis. , gawolo lingafune kukhazikitsidwa kawiri kapena kupitilira apo.Makina a 5 axis amathanso kupanga ma geometri ovuta komanso kumaliza bwino kwapamwamba kuti apange makina olondola chifukwa ngodya ya chida imatha kufananizidwa ndi mawonekedwe a gawolo.
Kupatula mphero, lathes ndi malo otembenukira, makina a EDM ndi zida zina zitha kuyendetsedwa ndi CNC.Mwachitsanzo, CNC mill + turn centers ndizofala, komanso waya ndi sinker EDM.Kwa wopereka ntchito zopanga, makina osinthika a zida zamakina ndi machitidwe a makina amatha kukulitsa luso ndikuchepetsa mtengo wamakina.Kusinthasintha ndi chimodzi mwazabwino zazikulu za 5-axis Machining Center, ndipo zikaphatikizidwa ndi mtengo wogulira wamakina, sitolo imalimbikitsidwa kwambiri kuti igwire 24/7 ngati kuli kotheka.
Precision Machining imatanthawuza machitidwe opangira makina omwe amapereka kulolerana mkati mwa ± 0.05mm, omwe amagwiritsidwa ntchito kwambiri popanga magalimoto, zida zamankhwala ndi zida zamlengalenga.
Zomwe zimagwiritsidwa ntchito pa Micro-Fine Machining ndi Single Point Diamond Machining (SPDM kapena SPDT).Ubwino waukulu wamakina a diamondi ndi magawo opangidwa ndi makina omwe ali ndi zofunikira pakukonza makina: kulondola kwa mawonekedwe osakwana 200 nm komanso kukulitsa kuuma kwapamwamba kosakwana 10 nm.Popanga ma prototypes owoneka bwino monga pulasitiki yowoneka bwino kapena zitsulo zowunikira, kumalizidwa kwapamwamba mu nkhungu ndikofunikira kwambiri.Makina a diamondi ndi njira imodzi yopangira malo olondola kwambiri, omaliza kwambiri panthawi ya makina, makamaka kwa PMMA, PC ndi zitsulo zotayidwa.Ogulitsa omwe amagwiritsa ntchito makina opangira zinthu kuchokera ku mapulasitiki ndi apadera kwambiri, koma amapereka ntchito yomwe ingachepetse kwambiri ndalama poyerekeza ndi nthawi yochepa kapena zojambulajambula.
Kumene, CNC Machining chimagwiritsidwa ntchito m'mafakitale onse kupanga kupanga zitsulo ndi pulasitiki mbali ntchito mapeto ndi tooling.Komabe, popanga misala, njira zina monga kuumba, kuponyera kapena kupondaponda nthawi zambiri zimakhala zachangu komanso zotsika mtengo kuposa kupanga, pambuyo pa mtengo woyambira wa nkhungu ndi zida zogwiritsira ntchito zida zambiri.
CNC Machining ndi njira yokondeka yopangira ma prototypes muzitsulo ndi mapulasitiki chifukwa chanthawi yake yosinthira mwachangu poyerekeza ndi njira ngati kusindikiza kwa 3D, kuponyera, kuumba kapena kupanga, komwe kumafunikira nkhungu, kufa, ndi njira zina zowonjezera.
Mphamvu ya 'kankhira-batani' iyi yosinthira fayilo ya digito ya CAD kukhala gawo nthawi zambiri imatsatiridwa ndi osindikiza a 3D ngati phindu lalikulu la kusindikiza kwa 3D.Komabe, nthawi zambiri, CNC ndi yabwino kuposa kusindikiza kwa 3D.
Zitha kutenga maola angapo kuti amalize kumanga buku lililonse la magawo osindikizidwa a 3D, pomwe makina a CNC amatenga mphindi.
Kusindikiza kwa 3D kumapanga zigawo mu zigawo, zomwe zingapangitse mphamvu ya anisotropic mu gawolo, poyerekeza ndi gawo lopangidwa ndi makina opangidwa kuchokera ku chinthu chimodzi.
Mitundu yocheperako ya zida zosindikizira za 3D zitha kuchepetsa magwiridwe antchito amtundu wosindikizidwa, pomwe makina opangidwa ndi makina amatha kupangidwa ndi zinthu zomwezo monga gawo lomaliza.Ma prototypes opangidwa ndi CNC amatha kugwiritsidwa ntchito popanga zida zomaliza kuti zikwaniritse kutsimikizika kogwira ntchito komanso kutsimikizira kwaumisiri kwa ma prototypes.
Zithunzi zosindikizidwa za 3D monga mabowo, mabowo oponyedwa, malo okwerera ndi kutsiriza pamwamba zimafuna positi, makamaka pogwiritsa ntchito makina.
Ngakhale kusindikiza kwa 3D kumapereka zabwino ngati ukadaulo wopanga, zida zamakina zamasiku ano za CNC zimapereka zabwino zambiri zomwezo popanda zovuta zina.
Kutembenuza mwachangu makina a CNC angagwiritsidwe ntchito mosalekeza, maola 24 patsiku.Izi zimapangitsa makina a CNC kukhala otsika mtengo kwa magawo ang'onoang'ono opanga omwe amafunikira magwiridwe antchito osiyanasiyana.
Kuti mudziwe zambiri za makina a CNC opangira ma prototypes ndi kupanga kwakanthawi kochepa, chonde lemberani Wayken kapena funsani mtengo kudzera patsamba lawo.
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Nthawi yotumiza: Nov-30-2019