CNC Machining process
M'ndandanda wazopezekamo
SinthaniMbiri ya CNC Machining
Momwe CNC Machining Amagwirira Ntchito
- Chimango cha Makina ndi Bedi: Zimapereka kukhazikika; maziko a chitsulo chopangidwa ndi pulasitiki kapena konkireti ya polima amachepetsa kugwedezeka.
- Chokhotakhota: Imazungulira chida choduliracho pa liwiro lofika pa 100,000 RPM mu ntchito zothamanga kwambiri.
- Nkhwangwa: Makina ambiri ali ndi ma axe atatu (X, Y, Z), koma apamwamba amakhala ndi ma axe anayi, asanu, kapena kuposerapo kuti azitha kulunjika zinthu zovuta.
- Kusintha Chida: Amasintha zida zokha, zomwe zimachepetsa nthawi yogwira ntchito.
- Coolant System: Amatha kuchotsa kutentha ndi tchipisi pogwiritsa ntchito choziziritsira madzi kapena utsi.
Njira ya CNC Machining: Pang'onopang'ono
Gawo 1: Kupanga - Kupanga Dongosolo Lapa digito
Njira yopangira makina a CNC imayamba ndi kapangidwe, komwe mainjiniya amapanga fayilo yatsatanetsatane ya Computer-Aided Design (CAD). Pogwiritsa ntchito mapulogalamu monga SolidWorks, AutoCAD, kapena Fusion 360, opanga amatchula mawonekedwe enieni a gawolo, miyeso, mawonekedwe, ndi kulekerera. Chitsanzo ichi cha 3D kapena 2D chimagwira ntchito ngati maziko a chilichonse chotsatira.
Fayilo ya CAD yopangidwa bwino ndi yofunika kwambiri chifukwa iyenera kuganizira momwe imagwirira ntchito—poganizira zinthu monga zinthu, mwayi wopezera zida, ndi zovuta zomwe zingachitike. Pazigawo zovuta, opanga amaphatikiza zinthu monga ma fillets kuti achepetse ngodya zakuthwa kapena ma ngodya odulira kuti ntchitoyo ikhale yosavuta. Fayiloyo nthawi zambiri imatumizidwa mumitundu ngati STEP kapena IGES kuti igwirizane ndi mapulogalamu otsatira. Gawoli limalola kuyesa ndi kubwerezabwereza, kuchepetsa zolakwika zinthu zisanadulidwe. Zida zamakono za CAD zimatsanzira magwiridwe antchito enieni, kuonetsetsa kuti kapangidwe kake kakukwaniritsa zofunikira zogwirira ntchito.
Gawo 2: Mapulogalamu - Kumasulira Kapangidwe kukhala Malangizo a Makina
Akamaliza kugwiritsa ntchito njira ya CAD, akatswiri aluso amagwiritsa ntchito pulogalamu ya Computer-Aided Manufacturing (CAM) kuti apange pulogalamu yopangira makina. Zida monga Mastercam kapena Autodesk PowerMill zimatanthauzira mawonekedwe a CAD ndikupanga njira zodulira - njira zolondola zodulira zidzatsatira.
Pulogalamu ya CAM imatulutsa G-code (ya mayendedwe, liwiro, ndi ma coordinates) ndi M-code (ya ntchito zothandizira monga kuyambitsa coolant kapena kusintha kwa zida). Imasankha zida zabwino kwambiri, imawerengera kuchuluka kwa chakudya, liwiro la spindle, ndi njira zogwirira ntchito (kuchotsa zinthu zambiri) poyerekeza ndi kumaliza (kukonza pamwamba). Zinthu zoyeserera mu CAM zimathandiza opanga mapulogalamu kuwona momwe zinthu zilili, kuzindikira kugundana komwe kungachitike kapena kusagwira ntchito bwino. Gawoli limalumikiza kapangidwe ka digito ndi kupanga kwakuthupi, kuonetsetsa kuti makinawo akuchita ntchito mosamala komanso moyenera.
Gawo 3: Kukhazikitsa - Kukonzekera Makina ndi Ntchito
Pulogalamuyo ikakonzeka, gawo lokhazikitsa limayamba. Zipangizo zopangira—boloko, bala, kapena pepala lachitsulo (monga aluminiyamu, chitsulo) kapena pulasitiki—zimamangiriridwa bwino mu makina a CNC pogwiritsa ntchito ma vise, zida, kapena ma chucks kuti zisasunthike panthawi yodula.
Zipangizo zimayikidwa mu chosinthira zida cha makina kapena spindle, zomwe zimasankhidwa kutengera zofunikira za gawolo (monga, mphero zomangira mipata, zobowolera mabowo). Wogwiritsa ntchito amaika zotsalira za ntchito—kukhazikitsa mfundo yofotokozera zero yogwirizanitsa ma CAD coordinates ndi workpiece yeniyeni. Zofufuzira kapena zopezera m'mphepete zimatsimikizira malo olondola.
Makina oziziritsira amakonzedwa, ndipo kugwiritsa ntchito makina owuma (ntchito yoyeserera popanda kudula) kumatsimikizira pulogalamuyo. Kukhazikitsa bwino ndikofunikira kuti pakhale kulondola komanso chitetezo, kuchepetsa zoopsa monga kusweka kwa zida.
Gawo 4: Kupanga Makina - Kuchita Njira Yodzipangira Yokha
Pakatikati pa makina a CNC pamachitika apa: makinawo amatsatira malangizo okonzedwa kuti achotse zinthu molondola. Zida zodulira zimazungulira mofulumira kwambiri pamene zikuyenda motsatira nkhwangwa zingapo (nthawi zambiri 3-5, kapena kuposerapo pamakina apamwamba), kugaya, kutembenuza, kuboola, kapena kupukusa chogwirira ntchito.
Ntchito zodziwika bwino zimaphatikizapo kugaya (zodulira zozungulira zimachotsa zinthu kuchokera pa chinthu chosasuntha) ndikutembenuza (kuzungulira chogwirira ntchito motsutsana ndi chida chosasuntha). Makina ozungulira ambiri amathandizira kudula ndi kuyika mizere yovuta mu dongosolo limodzi.
Njirayi imagwira ntchito yokha yokha, imagwira ntchito popanda kuyang'aniridwa kwa maola ambiri ndipo masensa amayang'anira mavuto. Choziziritsira chimatsuka ma chips ndikuwongolera kutentha, zomwe zimapangitsa kuti chipangizocho chikhale ndi moyo wautali.
Gawo 5: Kuwongolera Ubwino - Kuonetsetsa Kuti Zinthu Zikuyenda Bwino Ndi Miyezo
Pambuyo pokonza, gawo lomalizidwa limayendetsedwa bwino kwambiri. Kuyeza pogwiritsa ntchito ma calipers, ma micrometer, ma CMM (Coordinate Measuring Machines), kapena ma optical scanners kumatsimikizira kukula kwake poyerekeza ndi kulekerera.
Kumaliza kwa pamwamba, kuuma, ndi kukhazikika kwa zinthu kumayesedwa. Kuyesa kosawononga kungayang'ane zolakwika zamkati. Kupatuka kulikonse kumayambitsa kusintha kwa pulogalamuyo kapena kukhazikitsa kuti igwiritsidwe ntchito mtsogolo.
Gawo ili limatsimikizira kudalirika, makamaka pa ntchito zofunika kwambiri monga ndege kapena zida zachipatala.
Mitundu ya Makina a CNC
Zithunzi za CNC
Zithunzi za CNC
Ma routers a CNC
CNC Plasma Cutters
CNC Laser Cutters
CNC EDM (Electrical Discharge Machining)
CNC Grinders
Zida Zogwiritsidwa Ntchito mu CNC Machining
zitsulo
- zotayidwa: Yopepuka, yosagwira dzimbiri, yogwira ntchito bwino kwambiri. Ma alloy monga 6061 a zida zomangira, 7075 a ndege.
- zitsulo: Yogwiritsidwa ntchito mosiyanasiyana; chitsulo chofewa chogwiritsidwa ntchito nthawi zonse, chosapanga dzimbiri choteteza dzimbiri. Zitsulo za zida monga D2 za ma dies.
- titaniyamu: Chiŵerengero champhamvu kwambiri pakati pa kulemera, chimagwirizana ndi zinthu zina. Chovuta chifukwa cha kutentha kochepa; chimafuna zida zakuthwa ndi zoziziritsira.
- Mkuwa ndi Mkuwa: Yofewa, yoyendetsa magetsi; imagwiritsidwa ntchito pa zamagetsi ndi mapaipi.
mapulasitiki
- ABS: Yolimba, yosagwedezeka; yofala kwambiri m'zinthu zomwe anthu amagwiritsa ntchito.
- nayiloni: Yosatopa, yopapatiza pang'ono; ya magiya ndi mabearing.
- Polycarbonate: Chowonekera bwino, champhamvu; ntchito zowunikira.
- PeEK: Yolimba kutentha kwambiri; yachipatala komanso yamlengalenga.
Zolemba
- Carbon Fiber Reinforced Polymers (CFRP): Yopepuka, yamphamvu; yoyendetsa ndege komanso yamagalimoto. Imafuna zida zokutidwa ndi diamondi kuti isawonongeke.
- GalasilasiNjira ina yotsika mtengo.
Zinthu Zachilendo
- Inconel ndi Hastelloy: Ma Superalloy a malo ovuta kwambiri; liwiro lochepa la makina.
- zoumbaumba: Yolimba, yophwanyika; imagwiritsidwa ntchito mu zamagetsi. Njira zamakono monga makina a ultrasonic zimathandiza kukonza.
Ubwino ndi Kuipa kwa CNC Machining
ubwino
- Kulondola ndi Kulondola: Kulekerera kolimba ngati ± 0.001 mainchesi, kobwerezabwereza m'magulu onse.
- Mwachangu: Kuchepetsa ndalama zogwirira ntchito; makina amagwira ntchito maola 24 pa tsiku, masiku 7 pa sabata popanda kuyang'aniridwa kwambiri.
- kusinthasintha: Kusintha kwachangu kwa mapulogalamu pakusintha kapangidwe.
- Ma Geometri Ovuta: Mphamvu zozungulira zambiri pazinthu zovuta.
- Kuchepetsa zinyalala: Njira zabwino zogwiritsira ntchito zida zimachepetsa zinyalala.
- Kusintha: Kuchokera ku prototypes mpaka kupanga zochuluka.
kuipa
- Mtengo Wokwera WoyambaMakina ndi mapulogalamu ndi okwera mtengo; kukhazikitsa zinthu zazing'ono sikuli kotsika mtengo.
- Zofunikira pa Luso: Mapulogalamu amafuna ukatswiri; zolakwika zimayambitsa ngozi.
- Zochepa Zakuthupi: Sizabwino kwambiri pazigawo zazikulu kwambiri kapena zinthu zina zofewa.
- yokonza: Kukonza nthawi zonse ndi kusintha zida kumafunika.
- Mphamvu Zachilengedwe: Kugwiritsa ntchito mphamvu ndi mavuto otaya zinthu zoziziritsira.
Kugwiritsa ntchito CNC Machining
Kupatula
magalimoto
Medical
zamagetsi
Kudziteteza
Energy
Tsogolo mu CNC Machining
- Kuphatikiza kwa AI: Kukonza zinthu moganizira, makina osinthika.
- Zowonjezera-Zochotsa Zosakaniza: Phatikizani kusindikiza kwa 3D ndi kumalizidwa kwa CNC.
- zopezera: Zoziziritsira zachilengedwe, makina osawononga mphamvu.
- IoT ndi Digital Twins: Kuwunika nthawi yeniyeni, kuyerekezera pa intaneti.
- Kukonza zinthu za nanomachining: Kulondola kwa sub-micron kwa ma microelectronics.
- Pulogalamu: Kutsegula/kutsitsa zinthu pogwiritsa ntchito roboti kuti zigwiritsidwe ntchito popanga magetsi.