Anthu ambiri akamva China CNC mwatsatanetsatane Machining, chinthu choyamba kuti pops m'mutu mwawo pafupifupi nthawi zonse mtengo wotsika. Ndipo zedi, ndilo gawo la nkhaniyi, koma ndilosavuta, lachiphamaso kwambiri. Zokambirana zenizeni, zomwe tili nazo pansi pa sitolo, ndi za phompho pakati pa sitolo yomwe imayendetsa makina ndi yomwe imamvetsetsa. makina olondola monga ndondomeko. Ndawonapo zojambula zochokera kumakasitomala akunja komwe kulolerana kumakhala bulangete ± 0.05mm kudutsa bolodi - chizindikiro chodziwikiratu kuti akugula chinthu, osati kupanga chigawo chimodzi. Malingaliro akuti chilichonse chochokera ku China ndi kopi yotsika mtengo ndiye vuto lalikulu. Chowonadi ndi chakuti, malo ampikisano pano ndi ankhanza, ndipo opulumukawo ndi omwe asamukira kutali kuposa kungokhala otsika mtengo. Mashopu omwe amakhalapo, monga ena akale ophatikizidwa ku Qingdao omwe ndagwira nawo ntchito, amapeza. Si za mtengo zomata za makina; ndi momwe mumayendetsera unyolo wonse, kuyambira pakuponya tirigu mpaka kumapeto komaliza. Ndiko kumene mtengo weniweni, ndi mutu weniweni, zimakhala.
Ulalo wa Foundry-Machining: Kumene Kulondola Kumayambira
Ichi ndichinthu chomwe anthu ambiri amapeza omwe akusaka Alibaba amaphonya. Ngati mukupanga gawo kuchokera pakupanga kapena kupanga, kulondola kwanu kumanenedwa kale billet isanamangidwe pa. CNC makina pakati. Ndikukumbukira pulojekiti yopangira ma hydraulic valve body, zinthu zinali chitsulo cha ductile. Zofananira za m'sitolo yokhazikika zimawoneka bwino, koma tinkagunda khoma popanga voliyumu - malo opangidwa ndi makina nthawi ndi nthawi amawonetsa kulimba, kupha mphamvu ya kuthamanga. Nkhani sinali kukanika; inali njira yopangira maziko. Kusungunuka kwabwino komanso kapangidwe ka nkhungu sikunapangidwe bwino pagawo lomwe limafunikira nkhope yosindikizidwa bwino. Simungathe kutulutsa bomba lapansi panthaka.
Ndicho chifukwa chitsanzo pa malo ngati Malingaliro a kampani Qingdao Qiangsenyuan Technology Co., Ltd. zimamveka. Akhala akuponya kwazaka zopitilira 30 CNC isanakhale mawu wamba pano. Akamakina gawo lomwe adzipangira okha, ngati nyumba yapampu yachitsulo chosapanga dzimbiri, amawongolera zosinthika. Amadziwa momwe kuzizira kumakhudzira kupsinjika, komwe makoma amatha kupotoza panthawi yamavuto, ndipo amawongolera CNC mwatsatanetsatane makina malipiro molingana. Ndi mtundu wina wa mayankho a DFM (Design for Manufacturability). Katswiri wamakina atha kubwerera kwa woyang'anira zoyambira ndi kunena, Wothamanga uyu akuyambitsa malo ovuta pano, kodi tingasunthe? Kuphatikizika kumeneko ndi mwayi wachete womwe simudzawona pamtengo wamtengo.
Imasinthanso masewera azinthu. Malo awo amatchula ma alloys apadera-opangidwa ndi cobalt, opangidwa ndi nickel. Machining amenewo sikungokhudza kugula mphero yodula. Ngati njira yopangira ndalama ya turbine ya nickel-alloy turbine blade sinayimbidwe, mupeza kuuma kosagwirizana kapena kuphatikizika komwe kungasokoneze zida zanu pakudutsa koyamba. Kuwongolera ma genesis azinthu kumapatsa gulu lopanga makina mwayi wolimbana kuti akonzekere mabala okhazikika, olondola. Popanda zimenezo, mukungotchova njuga.
Kulankhula kwa Kulekerera: Chinyengo cha Chojambula
Aliyense amafuna kulolerana kolimba. Koma kuwatchula ndikuwasunga mosasinthasintha mukupanga kosakanikirana kwakukulu ndi mayiko awiri osiyana. Kujambula kungafune kulolerana kwa ± 0.01mm. Sitolo yabwino imatha kugunda pa CMM yokhala ndi gawo loyamba. Mayeso enieni akugwira nawo gawo la 10,000, kwa ogwiritsa ntchito makina osiyanasiyana, pogwiritsa ntchito zida, komanso kusiyanasiyana kwamitundu yazopangira. Apa ndipamene gawo la China la equation limanyozedwa mopanda chilungamo komanso pomwe masitolo abwino kwambiri amadzipatula okha.
Kulephera kofala si kuthekera kwa makinawo, ku Japan kapena ku Germany CNC makina malo ali paliponse pano. Ndiwothandizira zachilengedwe. Kodi kasamalidwe ka zida ndizovuta? Kodi kuzizira kumawunikidwa tsiku lililonse? Kodi CMM ndiyokhazikika ndipo ogwira ntchito amaphunzitsidwa kugwiritsa ntchito kupitilira kuwala kobiriwira/kupita? Ndalowa m'mashopu okhala ndi mizere ya makina a DMG Mori atakutidwa ndi swarf, osawongolera nyengo. Zigawo zomwe zikutuluka zidzasuntha ndi kutentha kwa chipinda. Kulondola si kukhazikitsa makina; ndi chikhalidwe ndi ndondomeko mwambo.
Mwachitsanzo, kukonza mafelemu achitsulo akuluakulu opangira zida zamagetsi. Thermal mass ndi yaikulu. Ngati mutayimitsa, imatentha ndikuwonjezeka. Simungangozisiya kuti zizikhala kwa tsiku limodzi kuti zizizizira—nthawi yopanga ndi yolimba. Katswiri wodziwa ntchito amatha kukonza njira zochepetsera nkhawa zapakatikati kapena agwiritse ntchito zoziziritsa kukhosi kuti aziwongolera kukula kwamafuta panthawi yodula. Izi ndizosasangalatsa, zokumana nazo zomwe zimatanthauzira makina olondola. Mumaphunzira mwa kuchotsa zinthu zingapo zodula, osati kuchokera m'mabuku.
The Tooling & Fixturing Black Art
Ngati mukufuna kuwona komwe mtima wa shopu yamachining uli, musayang'ane makina awo atsopano a 5-axis. Yang'anani pa kabati yawo. Kukonzekera kwabwino nthawi zambiri kumakhala kokhazikika, nthawi zina kumawoneka kovutirapo, komanso kofunikira nthawi zonse. Pazigawo zovuta, zotsika kwambiri, kapangidwe kake kamatha kudya nthawi yochulukirapo kuposa pulogalamu ya CNC yokha. Kukonzekera koyipa kumawonetsa masika, kugwedezeka, kapena kulola gawolo kuti lisunthike ndi ma microns pansi pa mphamvu zodulira, kupha kulondola kwanu ngakhale nambala yanu ili yabwino bwanji.
Nthawi ina tinali ndi zida zopangira aluminium zokhala ndi mikono yopyapyala, yokhala ndi cantilever. Choyambira choyamba chimagwiritsa ntchito ma vises wamba ndi zomangira zala. Zigawozo zidadutsa kuwunika kwa CMM mokhazikika, koma poyesedwa pakugwedezeka pamapeto pake, zidalephera. Makinawa anali kupangitsa kupsinjika kwapang'onopang'ono komanso kupotoza pang'ono komwe kumangowoneka ndi katundu wamphamvu. Kukonzekera kunali nsagwada zofewa zomwe zinathandizira mbiri yonse ya gawolo, kukonza zinthu zofunika kwambiri pakukhazikitsa kamodzi. Mtengo wa zinyalala unatsika, koma mtengo wa fixture unakwera. Kufotokozera mtengowo kwa kasitomala yemwe amangowona chipika cha aluminiyamu + nthawi yopanga makina ndizovuta nthawi zonse.
Ili ndi malo ena omwe opanga ophatikizana amakhala ndi malire obisika. Sitolo ngati QSY, yomwe imagwira ntchito ndi ma castings awo, nthawi zambiri imatha kupanga zojambulazo ndi mfundo zophatikizira kapena nthiti zolimbitsa zomwe zimathandizira kukonza, zomwe pambuyo pake zimachotsedwa. Ndikuwona kwathunthu kwa gawolo ngati chinthu chopangidwa, osati mtundu wa CAD woti uchotsedwe ku block block.
Dzanja la Munthu mu Njira ya Digital
Izi zitha kumveka ngati zabodza m'zaka zopanga zokha, koma pakusakanikirana kwakukulu, zovuta kwambiri China CNC mwatsatanetsatane Machining, katswiri waluso akadali wolepheretsa - m'njira yabwino. Mnyamata amene amachotsa komaliza, kukwapula pamanja kuti asindikize bwino (kukachitikabe pankhope zazikulu za valve), kapena kuphatikiza kosankhidwa kwa zigawo zofananira. Ndaonapo wantchito akugwiritsa ntchito ndodo ya mkuwa ndi nyundo kuti asinthe mofatsa chowotcherera chachikulu, chopangidwa ndi makina ndi mamilimita mazana angapo kuti chigwirizane—ndipo mmene loboti palibe panopa.
Chiwopsezo chenicheni pakusinthika kwazinthu zaku China ndikuchepetsa chidziwitso chaukadaulo uwu. Mabwana akale omwe amatha kumvera kudulidwa ndikukuwuzani kuti kulowetsako ndikupumira akupuma. Kukakamizika kukankhira oyendetsa achichepere kuti angotsitsa / kutsitsa magawo ndikuthamangitsa ma metric omwe amatuluka ndiwokwera. Masitolo omwe amasunga zina mwazojambulazo, zomwe zimalola akatswiri awo akuluakulu kuti azidya zakudya komanso kuthamanga pa ntchentche potengera mtundu wa phokoso ndi chip, amapanga mbali zosagwirizana, zapamwamba kwambiri. Ndi chosagwirika. Simungathe kuziwunika kuchokera pamndandanda wamakhalidwe abwino, koma mutha kuziwona pazosintha zapansi za statistical process control (SPC) pakapita nthawi.
Izi zimafikira ku post-processing. Chigawo chachitsulo chosapanga dzimbiri chopangidwa bwino chikhoza kuwonongeka ndi kupukuta mwamakani kapena kosagwirizana. Kudziwa kutsatizana kwa ma grits, kukakamizidwa kuti mugwiritse ntchito, ndi momwe mungagwirire m'mphepete kuti musunge umphumphu - ndizo zonse luso lamanja. Nthawi zambiri ndi komaliza, kokhudza anthu ambiri CNC mwatsatanetsatane makina chain, ndipo imakhudza kwambiri magwiridwe antchito komanso mawonekedwe.
Kulankhulana: The Real Bottleneck
Luso laukadaulo nthawi zambiri limakhalapo. Chomwe chimasokoneza ndi pafupifupi nthawi zonse kulankhulana. Chojambula cha 2D chokhala ndi miyeso yovuta kwambiri. Mtundu wa CAD wokhala ndi ngodya zamkati zosasinthika. Maimelo omwe kumaliza kwake sikumatanthauzidwa ngati Ra kapena Rz, zomwe zimapangitsa kuti gawo lokonzedwa bwino likanidwe. Kuchedwa kwa nthawi kumakulitsa izi. Kufotokozera mwachangu komwe kumatenga mphindi 5 ngati muli mnyumba momwemo kumatha kuyimitsa ntchito kwa maola 48.
Mapulojekiti opambana kwambiri omwe ndawongolera ndi kulumikizana mopitilira muyeso. Titha kutumizanso zojambula zojambulidwa, osati ndi mafunso okha, koma ndi malingaliro: Radiyosi iyi ikhoza kuonjezedwa kufika pa R3 kuchoka pa R1.5 kulola chida chokhazikika, kupulumutsa mtengo ndi nthawi yotsogolera popanda kusokoneza ntchito. Kapena, Kodi kulolerana uku kungathe kumasulidwa ku ± 0.1mm? Ili pankhope yosakwera ndipo ingafunike yachiwiri yopera pa ± 0.02mm. Njira yolimbikitsira, yofunsirayi imasintha ubale kuchokera kwa wogulitsa-kasitomala kupita ku mnzake. Izi zikusonyeza kuti sindinu wokankha mabatani chabe; mukugwiritsa ntchito luntha lopanga kupanga pamapangidwe awo.
Kwa kampani yomwe ikugwira ntchito ndi kasitomala wapadziko lonse lapansi, monga ambiri ku Qingdao, izi ndizovuta tsiku lililonse. Sikuti ndi kukhala ndi olankhula English bwino; ndi zokhala ndi akatswiri opanga ma projekiti omwe amatha kumasulira zolinga za uinjiniya kukhala zenizeni zopanga, ndiyeno kufotokozera zopinga ndi zosankhazo momveka bwino. wosanjikiza umenewo ndi umene umasintha kukhala wokhoza CNC makina gulani ku gwero lodalirika la makina olondola. Ndilo gawo locheperako, lofunikira kwambiri pantchito yonseyi. Ndipo moona mtima, ndi gawo lomwe ndi lovuta kwambiri kulondola, kulikonse padziko lapansi.
