Uma uzwa 'inkampani yokwenza imishini ye-CNC enembayo', isithombe sokuqala ngokuvamile siyisitolo esihlanzekile esinemigqa yemishini ecwebezelayo, mhlawumbe ingxenye yedemo efanelekile ngaphansi kwengilazi. Leyo yinguqulo yencwajana. Iqiniso, ingxenye ebaluleke kakhulu lapho uhlola, imbi kakhulu. Kumayelana nokuthi kwenzekani uma inqwaba yezinto inokwehluka okuncane, noma uma idizayini ibonakala iphelele esikrinini kodwa idala iphupho elibi lengxoxo yamathuluzi. Umehluko phakathi kwesitolo esilandela nje uhlelo kanye nesiqonda i-physics yokusika insimbi. Izingubo eziningi zifuna ukunemba, kodwa amandla eqiniso agqitshwe endleleni eziphatha ngayo okungahleliwe, 'okucishe kube kuhle ngokwanele,' kanye nama-alloys alwela ukubuya.
Isisekelo Akuwona Nje Umshini
Noma ubani angathenga isigayo esinama-axis amahlanu. Isisekelo sangempela somuntu onekhono ukunemba kwenkampani yemishini ye-CNC yinqubo yozalo. Ngicabanga ngendawo efana ne-Qingdao Qiangsenyuan Technology Co., Ltd. (QSY). Ubheka umlando wabo weminyaka engu-30 uqala ekubumbeni—isikhunta segobolondo, ukutshala imali—futhi lokho kushintsha yonke into. Umakhinikhi ovela ngemuva kwe-Foundry akavele abone i-billet yensimbi. Baqonda ngokomzwelo ukwakheka kokusanhlamvu, ingcindezi eyinsalela yenqubo yokuphonsa, kanye nendlela okubalulekile okuzoziphatha ngayo uma ithuluzi lokuqala liyishaya. Lokho unqenqema olungaphatheki. Iwebhusayithi yabo, i-tsingtaocnc.com, ibala amakhono abo ku-cobalt ne-nickel alloys, ekutshela ukuthi abazesabi izinto ezinzima. Ukusebenza nalezo akukhona nje ukusebenzisa isilinganiso sokuphakela esihamba kancane; kuyifilosofi ehluke ngokuphelele ekugqokeni kwamathuluzi nokuphathwa kokushisa.
Lesi sizinda sangemuva sidala i-synergy yemvelo. Abagcini ngokuklama ingxenye ethile; bavame ukuqeda ingxenye abazijikijela yona. Lokho kuqeda umdlalo wakudala wokusola phakathi kwe-Foundry nesitolo somshini lapho ingxenye ingasekho. Ingabe bekuyiphutha lokulingisa noma iphutha lomshini? Uma ingaphansi kophahla olulodwa, inkinga ivele ixazululwe. Ngibone amaphrojekthi ehluleka ngenxa yokuthi ithimba lemishini lithole ukulingisa okunokuqina okufihliwe noma ubulukhuni obungahambisani. Isitolo esifana ne-QSY esilawula izigaba zangaphambili singakwazi umshini ukusinxephezela, noma okungcono nakakhulu, sikuvimbele ukuthi kungenzeki kwasekuqaleni.
Kuholela ohlotsheni oluhlukile lokunemba. Akukhona nje ukunemba kwejometri ku-micron. Imayelana nokunemba ekuthembekeni kwezinto. Isibonelo, ukwenza ingxenye yodonga oluncane engxenyeni engagqwali yokutshala imali kudinga ukwazi ukuthi kungakanani ingcindezi evalelwe phakathi ngesikhathi sokupholisa. Isitolo esingenakho lokho kuqonda okuyisisekelo singasicindezela kakhulu futhi sidale ukuhlanekezela, sithole ubukhulu obuphelele engxenyeni manje esontekile. Ulwazi oluhlanganisiwe lubavumela ukuthi bathuthukise ukulungisa nokulandelana okuhlonipha umlando wengxenye.
Lapho Ukunemba Kuba Kwangempela (Futhi Kubizayo)
Ake sikhulume ngomzuzu wesitezi sesitolo owehlukanisa okwangempela kwabazenzisi. Ukuhlolwa kwe-athikili yokuqala. Kuhle ukunemba CNC machining uzakwethu akahloli nje ubukhulu omnike zona. Kufanele babheke izinto ongazange ucabange ukuzicacisa. Ukungaguquguquki kokuqedwa kobuso ku-bore, ubukhali bendawo engaphakathi ekhoneni, ukuba khona kwamabhari amancane esiteshini okunzima ukufinyelela kuso. Ngikhumbula umsebenzi woketshezi oluningi lapho zonke izilinganiso zidlula khona, kodwa inhlamvu encane, ecishe yapholishwa echwebeni elinqamulayo yabangela ukuvuza okuyinhlekelele ngaphansi kwengcindezi. Umdwebo awuzange ubize ukunqanyulwa konqenqema okuthile lapho. Isitolo sezinga eliphezulu sibamba lokho ngokuzenzakalelayo bese sikususa njengengxenye yenqubo yabo evamile.
Izindleko zokunemba azikho emgqeni. Ukubamba ±0.05mm kujwayelekile. Ukubamba ±0.01mm kungase kuphindwe kathathu isikhathi somshini futhi kudinga ukulawula isimo sezulu. Okubalulekile ukuxhumana ngokwethembeka. Inkampani yobungcweti izohlaba umkhosi ngokushesha lokho kubekezelelana okuqinile futhi ibuze Ingabe lokhu kubalulekile ekusebenzeni? Ngokuvamile, ukulungiselelwa kwe-CAD okuzenzakalelayo. Ngiyazisa uma isitolo sihlehla kanjalo—kukhombisa ukuthi sicabanga ngokwenza futhi sikongele imali, hhayi nje ukucaphuna ngokungaboni. Ngiyibonile iphothifoliyo ye-QSY, futhi inkimbinkimbi yemihlangano yabo yabalingisi neyemishini iphakamisa ukuthi bajwayele lezi zingxoxo, ikakhulukazi ngezinto ezingavamile lapho yonke iminithi yomshini ibiza ngaphezulu.
Isu lokusebenzisa ithuluzi lingesinye isihlukanisi esithule. Ngevolumu ephezulu CNC imishini yensimbi engagqwali noma ingxubevange, ukusebenzisa isigayo esifanayo kusukela ekuqaleni kuze kube sekugcineni kungase kwenze umsebenzi wenziwe, kodwa kuyaguga, nokukhukhuleka okunembayo. Indlela engcono kakhulu isu lokusebenzisa isiteji—ukuhlukumeza kokukodwa, ukuqeda kancane ngenye, ukuqeda ngethuluzi elisha, elizinikele. Isethaphuke kakhudlwana, iqoqo lamathuluzi elengeziwe, kodwa iqinisekisa ukuthi amaphasi okugcina enziwa ngethuluzi elibukhali, elibikezelwayo. Ungakwazi ukukala ukuzibophezela kwesitolo ngokubuza mayelana nokuphathwa kwamathuluzi abo kanye nokushintsha amashejuli. Kuyimininingwane eyisicefe, kepha yilapho kuhlala khona ukungaguquguquki.
Ingxoxo Ebalulekile Abantu abaningi bayeqa
Wonke umuntu ugxile ekwenziweni kwensimbi engagqwali noma i-aluminium. Ukuhlolwa kwangempela kukuma-alloys akhethekile. Uma inkampani efana ne-QSY ibala i-cobalt nama-alloys asekelwe ku-nickel njengokukhethekile, lokho kuwuphawu. Lezi akuzona izinto ozifunda emsebenzini. I-Machining Inconel noma i-Stellite iyimfundo enonya yokubekezela nokulawula ukushisa. Zisebenza-qina khona manjalo uma unolaka kakhulu, ziguqule ithuluzi lakho lokusika libe into eshisa izikhotha elimaza izici zensimbi zengxenye.
Inqubo lapha incane mayelana nokususwa kwezinto ezinolaka futhi imayelana nokugunda okulawulwayo, okubaliwe. Ukupholisa akukona nje okokugcoba; okokukhipha ukushisa. Udinga ukucindezela okuphezulu, okulethwe ngqo onqenqemeni lokusika. Futhi i-geometry yamathuluzi iyikho konke-ama-rakes amahle, ama-coatings akhethekile. Isitolo esinesipiliyoni kulokhu sizoba nomtapo wolwazi wamapharamitha aqinisekisiwe abawakhile, ngokuvamile ngokuzama okumba eqolo nangephutha. Ngeke bavele bakucaphune isilinganiso somshini wehora ngalinye; bazoba nohlelo olucacile lokusebenzisa amathuluzi, okuyizindleko ezinkulu kule misebenzi.
Lobu buchwepheshe abukho endaweni engenalutho. Ivamise ukuvela ekunikezeni izimboni ezithile, ezidinga kakhulu—i-aerospace, uwoyela negesi, ezokwelashwa. Imithethonqubo kanye nezidingo zemibhalo zale mikhakha ziphoqa isiyalo esizuzisa wonke umsebenzi wabo. Uma bekwazi ukulandelela inqwaba ye-nickel alloy ukusuka ku-mill cert ukuya engxenyeni eqediwe yethuluzi le-downhole, ukukhanda umzimba wevalvu yensimbi engagqwali ngokunemba kuba cishe umkhuba. Izinga eliphezulu liba yisisekelo.
Lapho Idijithali Ihlangana Nomzimba - I-CAM & Isithiyo Sokusetha
Imodeli ye-CAD iphelele. Ukulingisa kwe-CAM akubonisi ukungqubuzana. Bese ulayisha ucezu lokuqala lwesitoko. Lesi igebe okungekho isofthiwe engasivala ngokugcwele. Umakadebona wemishini noma umklami uletha ukucabanga kwendawo okubangela ukuchezuka kwamathuluzi, ukudlidliza kocezu lokusebenza, kanye nokukhishwa kwe-chip. Ngibone izinhlelo ezifaniswe kahle zihluleka ngoba akekho obala ukuthi ama-chips anezintambo kunsimbi engagqwali azosonga isibambi samathuluzi futhi aphihlize isikhathi esingakanani.
Ukusetha kulapho izinsuku zeshejuli zilahleka khona noma ziwinwa. A eyinkimbinkimbi ukunemba kwenkampani yemishini ye-CNC ifaka imali ekulungiseni okujwayelekile, okwenziwa ngendlela oyifisayo—njengokusetha amatshe ethuna kusistimu ye-pallet noma imihlathi ethambile efakwe endlini yengxenye ethile yomndeni. Umgomo uwukunciphisa umthamo wamahhala wengxenye, uyibambe ngokuqinile ngangokunokwenzeka ukuze udambise ukudlidliza. Ezingxenyeni eziyinkimbinkimbi, ezinezinhlangothi eziningi, lokhu kungase kusho ukuklama i-fixture evumela ingxenye ukuthi ijikelezwe futhi iboshwe kabusha ngokuphindaphinda indawo efanele. Ngokuvakashela i-tsingtaocnc.com, ungakwazi ukunquma leli khono kusukela kumhlangano wezingxenye eziningi abawubonisayo; lezo zingxenye azizange zibe ngaleyondlela ngama-vises alula.
Yilapho futhi ukuxhumana neklayenti kubalulekile. Kwesinye isikhathi, i-tweak encane yedizayini—ukwengeza impumuzo yokufinyelela ithuluzi elincane, noma ukumisa irediyasi ekhoneni—kungaguqula ingxenye isuke kuphupho elibi elibi, lokusetha oku-5 libe umsebenzi oqondile wokusebenza okungu-2. Ukusebenzisana okuhle kakhulu kwenzeka lapho uzakwethu womshini elethwa phakathi nesigaba sedizayini ye-manufacturability (DFM). Kuwuphawu lokuvuthwa lapho inkampani inikela ngokuhlaziywa kwe-DFM, hhayi nje isisho.
I-Unsexy Backbone: Metrology & Mindset
Okokugcina, ukunemba kuhle kuphela nekhono lakho lokukukala. Igumbi eligcwele ama-CNC alisho lutho uma i-CMM yakho isiphelelwe yisikhathi noma ithimba lakho lekhwalithi linganikwa amandla. Ukunemba kwangempela kudinga ukutshala imali ku-metrology okuyi-oda lobukhulu elinembe kakhulu kunebhendi yakho yokubekezelela. Futhi akukhona nje ngomshini; imayelana neshejuli yokulinganisa, indawo elawulwayo, kanye nekhono lomhloli. Ukulinganisa indawo ekhonkolo eyinkimbinkimbi noma indawo yangempela yamabhore amaningi kuyikhono ngokwalo.
Kepha ngaphandle kwegiya, kungumqondo. Kuyisiko lapho umakhi wemishini ezomisa ukugijima uma ezwa ushintsho emsindweni wokusikwa, noma ngabe izingxenye zikala kahle. Kuwukuzimisela ukulahla ucezu lwengxubevange engu-$500 ngoba ithuluzi liqhekeze phakathi futhi ukuqedwa kwendawo kungase kube sengozini. Leso yisinqumo sezezimali esinzima, kodwa sichaza ubuqotho. Awukwazi ukukhohlisa lokho. Yakhiwe phakathi namashumi eminyaka, njengezithenjwa zomlando we-QSY weminyaka engu-30, cishe ngezifundo eziningi ezifundiwe.
Ngakho uma uhlola a ukunemba kwenkampani yemishini ye-CNC, bheka udlule ohlwini lwemishini. Buza ngephutha labo elikhulu kanye nalokho abakufundile. Buza ukuthi bakusingatha kanjani okubalulekile abangakaze basebenze ngakho ngaphambilini. Cela ukubona ingxenye ehlulekile kanye nombiko ofike nayo. Izimpendulo zabo, kanye nokuhluka kwazo kuzokutshela okuningi ngokunemba kwazo kwangempela kunanoma iyiphi incwajana ecwebezelayo eyake yakwazi. Uzakwethu olungile akayena nje umdayisi; ayisandiso sethimba lakho lonjiniyela, ecabanga izinyathelo ezimbalwa ezingaphambili mayelana nokuthi yini engase ingahambi kahle ngaphambi kokuthi i-spindle iqale.
