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Kungakhathaliseki ukuthi ubukhulu bengxenye noma uhlobo lwepulasitiki, izici ezintathu eziyinhloko ezithinta ikhwalithi yemikhiqizo ebunjiwe yomjovo ingcindezi, izinga lokushisa kanye nesikhathi. I-Mold Hotrunner Solutions (MHS), etholakala e-Georgetown, e-Ontario, ithuthukise le mingcele ngenkathi yethula umshini wokubumba umjovo omncane we-M3 ngo-2016. Lolu hlelo lokubumba umjovo we-turnkey, i-zero-waste luhlinzeka ngamakhono amasha edivayisini yezokwelapha kanye nabakhiqizi bemikhiqizo kagesi. Ukuthuthukiswa kwangaphakathi kwesistimu, okuhlanganisa i-Rheo-Pro hot runner nozzles kanye nobuchwepheshe bokubumba be-ISOKOR, kwenza umshini we-M3-D08 ukwazi ukukhiqiza kahle futhi ngokunembile izingxenye ezincane ezinamasango amancane njenge-1.3 mg.
â???? Senze inqubo entsha yokubumba umjovo ukuze sihlangabezane nezidingo abanye abakhiqizi bemishini abangakwazi ukuhlangabezana nazo, â????? Umsunguli we-MHS uHarald Schmidt uthe. â???? I-M3 iwuhlelo lokuqala lokubumba lomjovo ukukhiqiza izingxenye ezincane zekhwalithi ephezulu ngenqubo elinganisekayo nephindaphindwayo. â???? Nokho, inkampani yabona ithuba lokuthuthukisa amakhono ayo. Ngo-2020, i-MHS yaqala ukunweba i-M3 isuka kumojula eyodwa enezimbobo ezincane eziyisi-8 yaya kumamojula amane ayi-8, yazuza inguqulo enesivinini esiphezulu esingu-32-cavity. I-ALPHA M3-D32 entsha ihlanganisa amarobhothi nezinhlelo zokulawula ezithuthukisiwe ukuze kuzuzwe umphumela ophakeme ngaphandle kokubeka engcupheni ikhwalithi.
Ubuchwepheshe bokuzenzakalela obuvumelanayo buvumela i-MHS ukuthi ilungiselele i-M3 neminye imikhiqizo kuphothifoliyo yomkhiqizo wayo. I-MHS ihlinzeka ngezixazululo zezingxenye zosayizi abahlukahlukene ezimbonini zokupakisha, zezimoto, zokwakha kanye nezimpahla zabathengi. Yasungulwa ngo-2002, i-MHS izibophezele ekudaleni imishini yokubumba umjovo emisha kanye nezinhlelo zokugijima ezishisayo ukuze kuthuthukiswe ukukhiqiza, ingxenye yekhwalithi nomthelela wemvelo. Le nkampani izinze eCanada futhi, njengengxenye yomndeni wakwa-Westfall Technik, igcina ithonya emhlabeni jikelele.
I-MHS izibophezele ekususeni iziphambeko eziningi ezinesikhathi eside enqubweni yokubumba umjovo lapho iklama i-M3. Ngokwesiko, inqubo iqala lapho ama-pellets epulasitiki ewa e-hopper emgqonyeni we-tubular. I-screw feeder ihambisa izinhlayiya phambili, futhi i-heater ngaphandle komgqomo iyawancibilikisa. Ipulasitiki ifinyelela izinga lokushisa elidingekayo kanye ne-viscosity ngaphambi kokufinyelela ku-nozzle ukuze ifakwe esikhunjini. Ngokungafani nokubunjwa komjovo wendabuko, abagijimi abashisayo basebenzisa amasango e-valve kanye nabagijimi abashisayo bangaphakathi ukuze banciphise inani lemfucumfucu yepulasitiki engenamsebenzi evuselelwa kabusha noma ilahlwe ngemva kokubunjwa. Kodwa-ke, azikwazi ukuqeda ngokuphelele imfucuza, amapulasitiki athile kuphela angagaywa futhi asetshenziswe kabusha.
I-M3 eyi-8-cavity yasekuqaleni kufanele iqinisekise ukuthi ingxenye ephelele ivela njalo lapho isikhunta sivulwa. Umshini udinga ukunyakaza okuqondile okuvundlile nokuma mpo ukuze uhambise isikhunta esingamaphawundi angu-500 ngokunemba kwama-microns angu-10 engxenyeni yomzuzwana. Lezi zinselele zenza kube nzima kakhulu ukuklama umshini ophindaphindayo ongamane ugcine ukucindezela okunembile, izinga lokushisa kanye nemingcele yesikhathi. Njengoba iqembu linweba isikali somshini ngo-2020, ukugcina lokhu kunyakaza okunembayo kanye nemisebenzi yomgijimi oshisayo kubaluleke kakhulu.
I-MHS yaphendukela ku-Beckhoff Automation ukuze ithole isisombululo esisha sokulawula ngokwakhiwa kokuqala kwe-M3 ngo-2016, futhi yakwazi ukusebenzisa ukwakhiwa okufanayo kokulawula ukuklama uhlelo lwe-32-cavity. â???? U-Beckhoff ubesebenza ne-MHS kusukela ngo-2012, lapho idinga okuzenzakalelayo okwengeziwe, inethiwekhi namandla okufinyelela kude, â???? Umphathi Wezokuthengisa Wesifunda saseBeckhoff eCanada uPaul Pierre uthe. I-M3 ifinyelela lezi zinhloso ngezixazululo eziningi ezisebenza ku-Beckhoff C6920 Industrial PC (IPC). Ikhompuyutha yezimboni yekhabhinethi yokulawula inephrosesa ye-Intel Core i7 eyi-quad-core. â???? I-C6920 IPC isinikeza inkundla enamandla yokubona yonke imisebenzi edingekayo, okuyinto ecishe ingenzeki nge-PLC yendabuko, â???? Unjiniyela we-MHS Automation u-Amir Abbas Shoraka, Sr. wachaza.
I-M3 inephaneli yokulawula yesikrini esibanzi se-CP3921 yehadiwe ye-HMI. Lesi sibonisi esingu-21.5-inch multi-touch sivumela i-MHS ukuthi ilungise kabusha isixhumi esibonakalayo sokulawula ukuze sivumelane kangcono nenqubo yokubumba okuncane. Ngokuka-Kai Thielen, Umphathi Wezobunjiniyela be-MHS, ngokuhambisana ne-C6920 IPC, i-MHS inikeza i-HMI ngezinto eziguquguqukayo zelogi kanye nesixhumi esibonakalayo somsebenzisi esihlakaniphile. Isikrini esikhulu sinikeza ukucaca okuphezulu kusixhumi esibonakalayo somsebenzisi futhi sithuthukisa ukuqeqeshwa komsebenzisi. Senze eyethu imisebenzi ekuhlelweni kwesoftware ye-HMI. asinayo-? ? Awuzange ulandele okwenziwa abanye abahlinzeki bemishini yokubumba umjovo——? ? ? ? Sifuna into elula ukuyiqonda futhi esobala, â????? Kusho uThielen.
Ukuvuleka kwesistimu yesofthiwe ye-TwinCAT 3 ezishintshayo inikeza inkundla yobunjiniyela ehamba phambili ye-M3. Inkundla yokulawula esekelwe kwi-PC evulekile ixhumana ngempumelelo ngawo wonke amazinga e-IT nehadiwe evela kwabanye abahlinzeki bezimboni. Ikanye nokufinyelela okulula okukude, i-TwinCAT ivumela i-MHS ukuthi ithumele idatha ye-logger nge-imeyili futhi futhi isekela ukufakwa kungobo yomlando emafini, ngoba abasebenzisi abaningi bokugcina abafuni ukunikeza ukufinyelela kwenethiwekhi. Iningi labasebenzisi bokugcina be-micromolding bakhetha ukugcina idatha endaweni esikhundleni sokuxhuma umshini emafini. Kodwa-ke, izixazululo zokuqoqwa kwedatha ziyisihluthulelo sokuhlinzeka ngosizo lobuchwepheshe lwekhwalithi ephezulu kanye nokuthuthukiswa kwenqubo.
Uhlelo lwe-EtherCAT yezimboni ze-Ethernet lunikeza ukuxhumana kwesikhathi sangempela kwezakhiwo eziyinkimbinkimbi zokunyakaza. Ngenxa yokuthi izingxenye ezincane zisebenzisa ipulasitiki encane kakhulu, kunzima ukugcina izinga lokushisa lokucubungula ngaphandle kokulimaza impahla. Inqubo ye-MHS ayishisi ukuncibilika kwepulasitiki ekushiseni kokucubungula ngaphambi kokuba ifinyelele esangweni le-valve, ngaleyo ndlela yandise isikhathi sokusebenza sepulasitiki futhi inciphise kakhulu imfucuza.
Itheminali ye-EL3314 ye-thermocouple eneziteshi ezine ze-thermocouple kanye nesofthiwe yokulawula izinga lokushisa ye-TF4110 ku-TwinCAT yenza ukuqaliswa kwenzeke. I-MHS isebenzisa izifudumezi eziyi-14 ezinesidingo sokubekezelela esingu-±0.1°C. I-EL3314 nesofthiwe yokulawula izinga lokushisa inikeze imiphumela emihle kakhulu. Amadrayivu e-Beckhoff servo afaka nekhadi lesixhumi esibonakalayo se-AX5721 ukusekela izifaki khodi zomugqa we-Heidenhain ezinesinqumo esiphezulu. Ngokuphepha kwe-I/O nokushayela, ubuchwepheshe be-TwinSAFE bulawula izingidi zokuphepha, izitobhi eziphuthumayo, nezinketho eziphephile zokuvala i-torque (STO).
Ukuze ulawule izidingo zokunyakaza kwesikhunta, i-Beckhoff's AX5000 servo drive inikeza amandla okunyakaza okuvundlile AL2815 umugqa we-servo motor kanye nomnyakazo oqondile we-AL2412 we-servo motor. â???? Ngaphandle kwamakhono wesikhathi sangempela we-EtherCAT ku-I/O namadrayivu, ngeke kwenzeke ukufeza ngokushesha ukunemba kwe-micron eyi-10, â???? Kuchaza uCraig. Inguqulo ye-32-cavity iphinda yengeze irobhothi elinesivinini esiphezulu, elihambisa amamilimitha angu-1,000 kuseli ngesivinini esingu-0.4 millisecond, bese lihambisa ama-millisecond angu-0.4. Idrayivu ye-AX5000 kanye nama-servo motors amabili e-AM8042 kanye ne-resistor yangaphandle yenza lokhu kwenzeke. â??? Lolu hlelo lokusebenza â????? Isakhiwo esiyinkimbinkimbi sokulawula ukunyakaza sidinga ukubambisana okuseduze, ikakhulukazi lapho ulungisa izimbazo eziwumugqa, â????? UPierre wanezela. â???? Ukusebenza ndawonye kuyo yonke inqubo kusivumela ukuthi sakhe ubudlelwano obuqinile nonjiniyela be-MHS. â????
Ubuchwepheshe buka-Beckhoff busekela izixazululo zemboni yepulasitiki ezaphayona yi-MHS, okuhlanganisa i-M3 yasekuqaleni nezinguqulo ezinkulu. â???? I-automation esekelwe ku-PC ka-Beckhoff isisize ukuba sifinyelele ukunemba kwamajika ashukumisayo ahambisanayo, amalogi e-imeyili ukuvimbela ukungasebenzi kahle, ukuxhuma efwini, nokuxhumana namadivayisi ezinkampani zangaphandle njengamakhamera nokomisa inhlaka , Â? ? ? Kusho uSoraka. Okubaluleke kakhulu, i-MHS isebenzisa iphrofayili enembile yokulawula i-heater ukuze ifinyelele futhi igcine ipulasitiki? ? ? ? Izinga lokushisa elisebenzayo nokulawulwa kwekhwalithi yomjikelezo ngesikhathi sokujova ingxenye. Ikakhulukazi ku-ALPHA M3-D32, izilawuli ze-heater ezingu-62 zisebenza kuplathifomu yokulawula elawula i-eksisi ehambayo kanye nendlela yokusebenza yomshini kumjikelezo wama-millisecond angu-5. ???? Ngaphandle kwamarobhothi, i-M3 iphinde inikeze ukucubungula okuhlakaniphile emshinini kanye nesistimu yombono yokuhlolwa kwengxenye nokuphepha kwesikhunta, okuxhunywe nge-EtherCAT. Senze lokhu ngesilawuli somshini esinamandla esisekelwe ku-PC ngaphandle kokulahlekelwa kokusebenza. ? ? ? ? Ngokusekelwe empumelelweni ye-MHS ekusebenziseni i-EtherCAT, inkampani yajoyina iqembu lobuchwepheshe be-EtherCAT, okuyiqembu elikhulu labasebenzisi be-fieldbus elinamalungu angaphezu kuka-6,000.
Umshini wokuqala we-M3 ukhiqize isilinganiso sezingxenye ezincane ezingu-170,000 ngosuku olulodwa lokusebenza, ngaphandle kokulahlwa kwemfucuza, futhi weqa izinga lemboni. Isibonelo, uma isisindo sengxenye singu-10 mg, ncamashi i-1 kg yamapulangwe epulasitiki izodingeka ukukhiqiza yonke inqubo. Ngisho ne-PEEK nezinye izinto zokushisa okuphezulu, i-M3 ifinyelela lokhu kusebenza kahle ngenkathi igcina amazinga ekhwalithi. â???? Kusukela kumshini wokuqala we-M3 ngo-2016, imingcele ye-prototype yezingxenye ihambisana nemingcele yokucubungula yokukhiqiza ngobuningi, â ???? Kusho uSchmidt.
Nakuba i-M3-D08 inciphisa igebe lekhwalithi ku-micromolding, i-ALPHA M3-D32 inyusa leli khono libe sezingeni elingenakuqhathaniswa lokuphuma ngaphandle kokubeka engcupheni ukuphindaphinda kwayo ngokwengcindezi, izinga lokushisa, nesikhathi. Ngokuhamba komshini, umjovo, ukupholisa, i-ejection namarobhothi, i-M3 ingafinyelela izikhathi zomjikelezo wamasekhondi angu-4 noma ngaphansi. Lokhu kuvumela umshini owenziwe ngezikali ukuthi ukhiqize isilinganiso sezingxenye ezingu-690,000 ngosuku, izikhathi ezingaphezu kwezine. I-MHS izoqhubeka nokusungula izinto ezintsha kulo mkhakha, inikeze amakhasimende ahlukene imikhiqizo yepulasitiki enembayo ephezulu, futhi ilwele ukuqinisekisa isivinini nekhwalithi ephezulu kakhulu emakethe yokubumba encane.
Isikhathi sokuthumela: Nov-05-2021
