Mafakitole ena a anzawo a Anebon nthawi zambiri amakumana ndi vuto la kukonza mapindikidwe akamakonza magawo, omwe ambiri amakhala ndi zitsulo zosapanga dzimbiri ndi zida za aluminiyamu zocheperako. Pali zifukwa zambiri zomwe zimapangidwira mbali za aluminiyamu, zomwe zimagwirizana ndi zinthu, mawonekedwe a mbali ndi kupanga. Pali makamaka mbali izi: mapindikidwe chifukwa cha kupsyinjika kwamkati kwa chosowacho, mapindikidwe obwera chifukwa cha kudula mphamvu ndi kudula kutentha, ndi kupindika chifukwa cha clamping mphamvu.
1. Njira zoyesera zochepetsera ma deformation
1. Chepetsani kupsinjika kwamkati komwe kulibe kanthu
Kupsyinjika kwamkati kwa chopanda kanthu kumatha kuthetsedwa pang'ono ndi ukalamba wachilengedwe kapena wochita kupanga komanso kunjenjemera. Pre-processing ndi njira yothandiza kwambiri. Kwa opanda kanthu ndi mutu wamafuta ndi makutu akulu, chifukwa cha gawo lalikulu, kupindika pambuyo pokonza kumakhalanso kwakukulu. Ngati gawo lowonjezera la chopanda kanthu lidakonzedweratu ndipo malire a gawo lililonse amachepetsedwa, osati kusinthika kwazitsulo muzotsatira zomwe zingatheke kuchepetsedwa, komanso gawo la kupsinjika kwa mkati likhoza kumasulidwa pambuyo pokonzekera ndikuyikidwa. kwa kanthawi.
2. Kupititsa patsogolo luso lodula la chida
Zakuthupi ndi mawonekedwe a geometric a chidacho zimakhudza kwambiri mphamvu yodulira ndi kudula kutentha. Kusankhidwa kolondola kwa chida ndikofunikira kwambiri kuti muchepetse kupindika kwa gawolo.
3. Kupititsa patsogolo njira ya clamping ya workpiece
Kwa mipanda yopyapyalacnc makina a aluminiyamu workpiecesndi kusakhazikika bwino, njira zotsatirazi zokhomerera zingagwiritsidwe ntchito kuchepetsa mapindikidwe:
① Pazigawo zopyapyala zokhala ndi mipanda yopyapyala, ngati chuck kapena collet ya nsagwada zitatu ikugwiritsidwa ntchito kumatira kuchokera komwe kumalowera, ikangotulutsidwa ikakonzedwa, chogwiriracho chidzakhala chopunduka. Panthawiyi, njira yothetsera nkhope ya axial ndi yolimba bwino iyenera kugwiritsidwa ntchito. Pezani ndi dzenje lamkati la gawolo, pangani mandrel odzipangira okha, lowetsani mu dzenje lamkati la gawolo, pezani nkhope yomaliza ndi mbale yophimba ndikuyimitsa ndi nati. Clamping deformation itha kupewedwa pokonza bwalo lakunja, kuti mupeze kulondola kokwanira kwa makina.
② Mukakonza zogwirira ntchito zokhala ndi mipanda yopyapyala komanso yopyapyala, ndi bwino kugwiritsa ntchito makapu akuyamwa vacuum kuti mupeze mphamvu yogawira yogawanika, kenako ndikuyidula pang'ono, yomwe ingalepheretse kupunduka kwa workpiece.
Kuphatikiza apo, njira yolongedza ingagwiritsidwenso ntchito. Pofuna kuonjezera ndondomeko kukhazikika kwa workpiece woonda-mipanda, mkati mwa workpiece akhoza kudzazidwa ndi sing'anga kuchepetsa mapindikidwe workpiece pa clamping ndi kudula. Mwachitsanzo, kutsanulira urea kusungunula wokhala ndi 3% mpaka 6% potaziyamu nitrate mu workpiece. Pambuyo pokonza, kumiza workpiece m'madzi kapena mowa kuti musungunuke kudzazidwa ndikutsanulira.
4. Konzani ndondomeko moyenera
Panthawi yodula kwambiri, chifukwa cha chilolezo chachikulu cha makina ndi kudula kwapang'onopang'ono, kugwedezeka kumachitika nthawi ya mphero, zomwe zimakhudza kulondola kwa makina ndi kuuma kwapamwamba. Choncho, CNC mkulu-liwiro kudula ndondomeko akhoza zambiri kugawidwa mu: akhakula Machining-semi-kumaliza-kuyeretsa Machining-kumaliza ndi njira zina. Kwa magawo omwe ali ndi zofunika mwatsatanetsatane, nthawi zina ndikofunikira kuchita kumaliza kwachiwiri ndikumaliza kukonza. Pambuyo pakukonza movutikira, zigawozo zimatha kukhazikika mwachilengedwe kuti zithetse kupsinjika kwamkati komwe kumapangidwa ndi makina olimba komanso kuchepetsa mapindikidwe. Mphepete mwa njira yotsalira pambuyo pokonza movutikira iyenera kukhala yayikulu kuposa kuchuluka kwa mapindikidwe, nthawi zambiri 1 mpaka 2mm. Mukamaliza, pamwamba pa gawo lomalizidwa ayenera kukhalabe yunifolomu Machining allowance, nthawi zambiri 0.2 ~ 0.5mm ndiyoyenera, kuti chidacho chikhale chokhazikika pakupanga makina, chomwe chingathe kuchepetsa kudulira, kupeza khalidwe labwino la processing. , ndi kuonetsetsa Kulondola kwa mankhwala.
2. Maluso ogwirira ntchito kuti achepetse kusinthika kwa kukonza
Kugaya zigawo za aluminiyamuamapunduka panthawi yokonza. Kuphatikiza pazifukwa zomwe zili pamwambazi, mu ntchito yeniyeni, njira yogwiritsira ntchito ndiyofunikanso kwambiri.
1. Kwa magawo omwe ali ndi gawo lalikulu la machining, kuti mukhale ndi kutentha kwabwinoko panthawi yokonza ndikupewa kutentha kwa kutentha, symmetrical processing iyenera kugwiritsidwa ntchito pokonza. Ngati pali mbale yaikulu ya 90mm yomwe imayenera kukonzedwa mpaka 60mm, ngati mbali imodzi ikuphwanyidwa ndipo mbali inayo ikuphwanyidwa nthawi yomweyo, ndipo kukula komaliza kumakonzedwa nthawi imodzi, flatness idzafika 5mm; ngati mobwerezabwereza ma symmetrical processing agwiritsidwa ntchito, mbali iliyonse imakonzedwa kawiri mpaka Gawo lomaliza likhoza kutsimikizira kutsika kwa 0.3mm.
2. Ngati pagawo la mbale pali ming'alu yambiri, sikoyenera kugwiritsa ntchito njira yotsatizana ya patsekeke imodzi ndi khola limodzi panthawi yokonza, zomwe zingapangitse kuti ziwalozo zikhale zopunduka chifukwa cha mphamvu yosagwirizana. Mipikisano wosanjikiza processing amatengedwa, ndipo wosanjikiza aliyense kukonzedwa ku cavities onse pa nthawi yomweyo mmene ndingathere, ndiyeno wosanjikiza wotsatira kukonzedwa kuti zigawo wofanana anatsindika ndi kuchepetsa mapindikidwe.
3. Kuchepetsa kuchepetsa mphamvu ndi kudula kutentha mwa kusintha kuchuluka kwa kudula. Pakati pa zinthu zitatu za kuchuluka kwa kudula, kuchuluka kwa kudula kumbuyo kumakhudza kwambiri mphamvu yodula. Ngati machining allowance ndi yayikulu kwambiri, mphamvu yodulira mu chiphaso chimodzi sichidzasokoneza gawolo, komanso imakhudza kulimba kwa makina opota ndi kuchepetsa kulimba kwa chida. Ngati kuchepetsa kuchuluka kwa mpeni kumbuyo, kupanga kwachangu kumachepetsedwa kwambiri. Komabe, mphero yothamanga kwambiri imagwiritsidwa ntchito mu CNC Machining, yomwe imatha kuthana ndi vutoli. Ngakhale kuchepetsa kuchuluka kwa kudula kumbuyo, malinga ngati chakudya chikuwonjezeka moyenerera ndipo liwiro la chida cha makina likuwonjezeka, mphamvu yodulira imatha kuchepetsedwa ndikuwonetsetsa kuti ntchitoyo ikugwira ntchito bwino.
4. Dongosolo la kudula liyeneranso kulipidwa. Kupanga makina movutikira kumagogomezera kuwongolera bwino kwa makina komanso kutsata kuchuluka kwa kuchotsera pa nthawi ya unit. Nthawi zambiri, mphero yodulidwa imatha kugwiritsidwa ntchito. Ndiko kuchotsa zinthu zochulukirapo pamwamba pazomwe zikusowekapo pa liwiro lachangu komanso munthawi yochepa kwambiri, ndikupanga mawonekedwe a geometric omwe amafunikira kuti amalize. Ngakhale kutsirizitsa kumatsindika kulondola kwambiri komanso khalidwe lapamwamba, mphero yotsika iyenera kugwiritsidwa ntchito. Chifukwa makulidwe odula a mano odula pang'onopang'ono amachepa kuchokera pamlingo wokulirapo mpaka ziro panthawi ya mphero, kuchuluka kwa kuuma kwa ntchito kumachepetsedwa kwambiri, ndipo kuchuluka kwa magawo kumachepetsedwa nthawi imodzi.
5. Zojambula zokhala ndi mipanda yopyapyala zimakhala zopunduka chifukwa cha clamping panthawi yokonza, zomwe sizingalephereke ngakhale kumaliza. Kuti muchepetse deformation ya4 olamulira cnc Machining workpiece, kukanikiza gawo akhoza anamasulidwa pamaso kutsiriza Machining ali pafupi kufika kukula komaliza, kotero kuti workpiece akhoza kubwezeretsedwa momasuka mawonekedwe ake oyambirira, ndiyeno mbamuikha pang'ono, malinga ngati workpiece akhoza clamped (konse) Malinga ndi kumverera), kotero kuti njira yabwino yosinthira ingapezeke. Mwachidule, chinthu chabwino kwambiri chogwirirapo ntchito cha clamping chili pamtunda wothandizira, ndipo mphamvu yokhotakhota iyenera kuchitapo kanthu kuti ikhale yolimba kwambiri. Pansi pamalingaliro owonetsetsa kuti chogwiriracho sichikhala chotayirira, mphamvu yochepetsera yocheperako, ndiyabwino.
6. Mukamakonza magawo okhala ndi bowo, yesetsani kuti wodula mphero asalowe mwachindunji mu gawolo ngati pobowola pobowola pobowola, zomwe zimapangitsa kuti pakhale malo osakwanira a chipangizo chodula mphero ndi kuchotsedwa kwa chips, zomwe zimapangitsa kutenthedwa, kukulitsa komanso kugwa kwa gawolo Zochitika zosasangalatsa monga mipeni ndi mipeni yothyoka. Choyamba kubowola bowolo ndi kabowola kakang'ono kofanana ndi kodula mphero kapena kukula kumodzi, ndiyeno mphero ndi chodulira mphero. Kapenanso, mapulogalamu a CAM angagwiritsidwe ntchito kupanga pulogalamu ya mpeni wa helical.
Chinthu chachikulu chomwe chimakhudza kulondola kwazitsulo ndi khalidwe lapamwamba la zigawo za aluminiyamu ndikuti mapindikidwe amatha kuchitika panthawi yokonza zigawo zoterezi, zomwe zimafuna kuti wogwiritsa ntchitoyo akhale ndi luso linalake la ntchito ndi luso.
1) Sankhani moyenerera magawo a geometric a chida.
① Rake Angle: Pansi pakukhalabe ndi mphamvu ya tsamba, mbali yake iyenera kusankhidwa bwino kuti ikhale yayikulu. Kumbali imodzi, imatha kupukuta nsonga yakuthwa, ndipo kumbali ina, imatha kuchepetsa kudula, kuchotsa chip chosalala, ndikuchepetsa mphamvu yodulira ndi kudula kutentha. Musagwiritse ntchito zida zokhala ndi ma angles olakwika.
②Ngodya yothandizira: Kukula kwa mbali yopumula kumakhudza mwachindunji kuvala kwapambali ndi mtundu wa malo opangidwa ndi makina. Kudula makulidwe ndi chinthu chofunikira pakusankha ngodya yothandizira. Pa mphero yaukali, chifukwa cha kuchuluka kwa chakudya, katundu wodula kwambiri, komanso kutentha kwakukulu, pamafunika kuti chidacho chikhale ndi kutentha kwabwino. Choncho, mbali yakumbuyo iyenera kusankhidwa kuti ikhale yaying'ono. Mukamaliza mphero, m'mphepete mwake mumayenera kukhala wakuthwa, kuchepetsa mikangano pakati pa nthiti ndi malo opangidwa ndi makina, komanso kuchepetsa zotanuka. Choncho, mbali yothandizira iyenera kusankhidwa yaikulu.
③Ngodya ya Helix: Kuti mphero ikhale yokhazikika komanso kuchepetsa mphamvu ya mphero, ngodya ya helix iyenera kusankhidwa yayikulu momwe mungathere.
④ Mlingo wotsogola wotsogola: Kuchepetsa moyenerera mbali yotsogola kumatha kusintha kutentha ndikuchepetsa kutentha kwa malo opangirako.
2) Kupititsa patsogolo zida.
① Chepetsani kuchuluka kwa mano odula ndikuwonjezera malo a chip. Chifukwa cha pulasitiki yayikulu ya aluminiyumu, kudulidwa kudula panthawi yokonza ndi kwakukulu, ndipo malo akuluakulu a chip amafunika. Choncho, utali wa pansi pa chip poyambira ayenera kukhala lalikulu ndipo chiwerengero cha mano odula mphero ayenera kukhala ochepa.
②Malizani kukuta mano a mpeni. Kukakala mtengo wa m'mphepete mwa kudula dzino ayenera kukhala zosakwana Ra = 0.4um. Musanagwiritse ntchito mpeni watsopano, muyenera kugwiritsa ntchito mwala wonyezimira popera pang'ono kutsogolo ndi kumbuyo kwa mano a mpeni kangapo kuti muchotse zotsalira zotsalira ndi mizere yokhotakhota pang'ono ponolera mano a mpeni. Mwa njira iyi, osati kutentha kokha komwe kungachepetsedwe komanso kudulidwa kodulidwa kumakhala kochepa.
③Yang'anirani mwamphamvu mavalidwe a chida. Chidacho chitavala, kuchuluka kwa roughness kwa workpiece kumawonjezeka, kutentha kwa kudula kumakwera, ndipo kusinthika kwa workpiece kumawonjezeka moyenerera. Chifukwa chake, kuwonjezera pa kusankha chida chokhala ndi kukana kwabwino, chovalacho sichiyenera kupitirira 0.2mm, apo ayi, m'mphepete mwake mumatha kuchitika mosavuta. Podula, kutentha kwa workpiece nthawi zambiri sikuyenera kupitirira 100 ° C kuti tipewe kuwonongeka.
Anebon kumamatira ku chikhulupiriro chanu cha "Kupanga mayankho apamwamba kwambiri ndikupanga mabwenzi ndi anthu ochokera padziko lonse lapansi", Anebon nthawi zonse imayika chidwi cha makasitomala poyambira kwa China Manufacturer wa China aluminium kuponyera mankhwala, mphero mbale zotayidwa, zotayidwa makonda yaying'ono. ma part cnc, omwe ali ndi chidwi komanso kukhulupirika, ali okonzeka kukupatsirani ntchito zabwino kwambiri ndikupita patsogolo nanu kuti mupange tsogolo labwino.
Choyambirira Factory China Extrusion Aluminiyamu ndi Mbiri Aluminiyamu, Anebon adzatsatira "Quality choyamba, , ungwiro kwamuyaya, anthu okonda, luso luso"bizinesi nzeru. Kugwira ntchito molimbika kuti mupitilize kupita patsogolo, zatsopano m'makampani, yesetsani kuchita bizinesi yoyamba. Timayesa momwe tingathere kuti timange chitsanzo cha kasamalidwe ka sayansi, kuphunzira zambiri zamaluso, kupanga zida zapamwamba zopangira ndi kupanga, kupanga zinthu zoyambira kuitana, mtengo wololera, ntchito zapamwamba, kutumiza mwachangu, kukupatsani kulenga. mtengo watsopano.
Nthawi yotumiza: Feb-13-2023