CNC Machining Tsarin
Teburin Abubuwan Ciki
KunnaTarihin CNC Machining
Yadda CNC Machining ke Aiki
- Tsarin Inji da Gado: Yana samar da kwanciyar hankali; tushen ƙarfe mai siminti ko simintin polymer yana rage girgiza.
- Dogara: Yana juya kayan aikin yankewa a gudun har zuwa RPM 100,000 a cikin aikace-aikacen sauri mai sauri.
- Gatura: Yawancin injuna suna da gatari 3 (X, Y, Z), amma waɗanda aka ci gaba suna da gatari 4, 5, ko fiye don hanyoyin da suka dace.
- Canjin Kayan aiki: Yana canza kayan aiki ta atomatik, yana rage lokacin aiki.
- Tsarin sanyi: Yana sarrafa cire zafi da guntu, ta amfani da ruwan sanyi ko hazo.
Tsarin Injin CNC: Mataki-mataki
Mataki na 1: Zane - Ƙirƙirar Tsarin Dijital
Tsarin injinan CNC yana farawa da ƙira, inda injiniyoyi ke ƙirƙirar fayil ɗin Tsarin Taimakawa na Kwamfuta (CAD). Ta amfani da software kamar SolidWorks, AutoCAD, ko Fusion 360, masu ƙira suna ƙayyade ainihin yanayin ɓangaren, girma, fasali, da juriyarsa. Wannan samfurin 3D ko 2D yana aiki a matsayin tushe ga duk abin da ke biyo baya.
Fayil ɗin CAD mai kyau yana da matuƙar muhimmanci domin dole ne ya yi la'akari da iyawar ƙera shi—idan aka yi la'akari da abubuwa kamar kayan aiki, damar kayan aiki, da kuma matsalolin da za su iya tasowa. Ga sassa masu rikitarwa, masu ƙira suna haɗa fasaloli kamar fillets don rage kusurwoyi masu kaifi ko kusurwoyin daftarin aiki don sauƙin sarrafa su. Yawanci ana fitar da fayil ɗin a cikin tsare-tsare kamar STEP ko IGES don dacewa da software na ƙasa. Wannan matakin yana ba da damar gwaji na kama-da-wane da maimaitawa, yana rage kurakurai kafin a yanke kowane abu. Kayan aikin CAD na zamani har ma suna kwaikwayon aikin gaske, suna tabbatar da cewa ƙirar ta cika buƙatun aiki.
Mataki na 2: Shirye-shirye - Fassara Zane zuwa Umarnin Inji
Da zarar an kammala tsarin CAD, ƙwararrun masu fasaha suna amfani da manhajar Computer-Aided Manufacturing (CAM) don ƙirƙirar shirin injin. Kayan aiki kamar Mastercam ko Autodesk PowerMill suna fassara yanayin CAD kuma suna ƙirƙirar hanyoyin kayan aiki - kayan aikin yanke hanyoyin da suka dace za su biyo baya.
Manhajar CAM tana fitar da lambar G (don motsi, gudu, da daidaitawa) da lambar M (don ayyukan taimako kamar kunna sanyaya ko canje-canjen kayan aiki). Tana zaɓar kayan aiki mafi kyau, tana ƙididdige ƙimar ciyarwa, saurin juyawa, da dabarun yin roughing (cire kayan da yawa) maimakon kammalawa (inganta saman). Fasallolin kwaikwayo a cikin CAM suna bawa masu shirye-shirye damar hango tsarin, gano yiwuwar karo ko rashin inganci. Wannan matakin yana haɗa ƙirar dijital da samarwa ta zahiri, yana tabbatar da cewa injin yana gudanar da ayyuka lafiya da inganci.
Mataki na 3: Saita - Shirya Injin da Kayan Aiki
Da zarar an shirya shirin, sai lokacin saitawa ya fara. Ana ɗaure kayan da aka yi da ƙarfe—toshe, sanda, ko takardar ƙarfe (misali, aluminum, ƙarfe) ko filastik—a cikin injin CNC ta amfani da vinses, kayan aiki, ko chucks don hana motsi yayin yankewa.
Ana ɗora kayan aiki a cikin na'urar canza kayan aiki ko madaurin injin, waɗanda aka zaɓa bisa ga buƙatun ɓangaren (misali, injinan ƙarshe don ramuka, injinan haƙa ramuka). Mai aiki yana saita ma'aunin aiki - yana kafa wurin tunani sifili yana daidaita daidaitattun CAD tare da kayan aikin zahiri. Masu bincike ko masu gano gefen suna tabbatar da daidaiton matsayi.
Ana shirya tsarin sanyaya iska, kuma aiki mai sauƙi (wanda aka yi kwaikwayonsa ba tare da yankewa ba) yana tabbatar da shirin. Saiti mai kyau yana da mahimmanci don daidaito da aminci, yana rage haɗari kamar karyewar kayan aiki.
Mataki na 4: Injin - Gudanar da Tsarin Aiki Mai Sauƙi
Tushen injinan CNC yana faruwa a nan: injin yana bin umarnin da aka tsara don cire kayan daidai. Kayan aikin yankewa suna juyawa da sauri yayin da suke tafiya tare da gatari da yawa (yawanci 3-5, ko fiye ga injunan ci gaba), niƙa, juyawa, haƙa, ko niƙa kayan aikin.
Ayyukan da aka saba yi sun haɗa da niƙa (masu yankewa suna cire kayan daga wani abu da ba ya tsayawa) da kuma juyawa (juya kayan aikin da aka yi amfani da shi a kan kayan aiki da ba ya tsayawa). Injinan da ke da axis da yawa suna ba da damar yin amfani da ƙananan sassa da kuma siffofi masu rikitarwa a cikin saiti ɗaya.
Tsarin yana aiki da kansa sosai, yana aiki na tsawon awanni ba tare da kulawa ba, tare da na'urori masu auna firikwensin da ke sa ido kan matsaloli. Mai sanyaya yana fitar da guntu da kuma sarrafa zafi, yana tsawaita tsawon lokacin kayan aiki.
Mataki na 5: Kula da Inganci - Tabbatar da Daidaito da Ma'auni
Bayan an yi ƙera kayan, ana yin gwajin inganci mai ƙarfi. Ana aunawa ta amfani da na'urori masu auna sigina, micrometers, CMMs (Injinan aunawa na Daidaitawa), ko na'urorin auna haske suna tabbatar da girma da haƙuri.
Ana duba ƙarshen saman, tauri, da kuma ingancin kayan. Gwajin da ba zai lalata ba na iya duba lahani na ciki. Duk wani karkacewa yana haifar da gyare-gyare ga shirin ko saitin don ayyukan gaba.
Wannan matakin yana tabbatar da aminci, musamman a cikin mahimman aikace-aikace kamar jiragen sama ko na'urorin likita.
Nau'in Injin CNC
CNC Mills
Lissafi na CNC
CNC Routers
CNC Plasma Cutters
CNC Laser Cutters
CNC EDM (Machining na Wutar Lantarki)
Farashin CNC
Abubuwan da Ake Amfani da su a cikin Injin CNC
Metals
- aluminum: Mai sauƙi, mai jure tsatsa, kuma mai sauƙin sarrafawa. Gami kamar 6061 don sassan gini, 7075 don sararin samaniya.
- karfe: Mai amfani da yawa; ƙarfe mai laushi don amfani gabaɗaya, bakin ƙarfe don juriya ga tsatsa. Karfe na kayan aiki kamar D2 don mashin.
- titanium: Babban rabon ƙarfi-da-nauyi, mai jituwa da halittu. Yana da ƙalubale saboda ƙarancin ƙarfin zafi; yana buƙatar kayan aiki masu kaifi da abubuwan sanyaya.
- Brass da Copper: Mai laushi, mai amfani da wutar lantarki; ana amfani da shi a fannin lantarki da aikin famfo.
Robobi
- ABS: Mai tauri, mai jure wa tasiri; wanda aka saba gani a cikin kayayyakin masarufi.
- Nylon: Mai jure lalacewa, ƙarancin gogayya; don giya da bearings.
- polycarbonate: Mai haske, mai ƙarfi; aikace-aikacen gani.
- CIGABA: Yana jure zafi mai yawa; likita da sararin samaniya.
Composites
- Carbon Fiber Reinforced Polymers (CFRP): Mai sauƙi, mai ƙarfi; jirgin sama da kuma na mota. Yana buƙatar kayan aikin da aka lulluɓe da lu'u-lu'u don guje wa ɓarna.
- Fiberglass: Madadin mai rahusa.
Kyawawan Kayayyaki
- Inconel da Hastelloy: Superalloys don yanayi mai tsauri; saurin injina mai jinkirin aiki.
- Ceramics: Mai tauri, mai karyewa; ana amfani da shi a cikin kayan lantarki. Dabaru na zamani kamar injinan ultrasonic suna taimakawa wajen sarrafa su.
Amfani da rashin amfani da Injin CNC
Abũbuwan amfãni
- Daidaituwa da Daidaitawa: Juriyar ta yi ƙarfi kamar inci ±0.001, ana iya maimaita ta a cikin rukuni-rukuni.
- dace: Rage farashin aiki; injuna suna aiki awanni 24 a rana ba tare da kulawa sosai ba.
- sassauci: Saurin canje-canje ga shirye-shirye don maimaita zane.
- Complex Geometries: Ƙarfin sassa masu yawa don sassa masu rikitarwa.
- Rage Ruwa: Hanyoyin kayan aiki da aka inganta suna rage ɓarna.
- scalability: Daga samfuri zuwa samarwa da yawa.
disadvantages
- Babban Farashin Farko: Injina da manhajoji suna da tsada; saitin ƙananan ayyuka ba shi da tattalin arziki.
- Bukatun Kwarewa: Shirye-shirye yana buƙatar ƙwarewa; kurakurai suna haifar da haɗurra.
- Iyakan Abu: Bai dace da manyan sassa ko wasu kayan laushi ba.
- Maintenance: Ana buƙatar daidaitawa akai-akai da kuma maye gurbin kayan aiki.
- Tasirin Muhalli: Matsalolin amfani da makamashi da kuma zubar da ruwan sanyaya.
Aikace-aikace na CNC Machining
Aerospace
Mota
Medical
Electronics
Tsaro
Energy
Yanayin gaba a cikin CNC Machining
- AI Haɗuwa: Gyaran hasashe, injinan daidaitawa.
- Haɗin Gyada Masu Ƙarawa-Ragewa: Haɗa bugu na 3D tare da kammala CNC.
- dorewa: Na'urorin sanyaya ruwa masu dacewa da muhalli, da kuma na'urori masu amfani da makamashi.
- IoT da Digital Twins: Kulawa ta ainihin lokaci, kwaikwayon kama-da-wane.
- Nanomachining: Daidaiton ƙananan micron don ƙananan lantarki.
- aiki da kai: Loda/saukewa da na'urar robot don kera fitilun kashe gobara.