Mould ɗin murfin PMMA mai haske

PMMA mai haske cSama da Mould

 

Daidaito a Core: Ciki Ansix Ƙwarewar Fasaha ta PMMA game da Mulfun Murfi Mai Ban Tsoro

A wani kusurwar cibiyar Ansix Tech mai ci gaba, wani sabon injin ƙarfe yana haskakawa a ƙarƙashin fitilun, samansa ya zama kamar madubi mai kyau, kamar Ra ≤ 0.05µm. Wannan kayan aikin, wanda aka yi niyya don samar da murfin gani don na'urorin likitanci masu inganci, shine ƙarshen tafiya ta watanni uku da ta shafi kwaikwayon dijital, injiniyan daidaito, da fahimtar yanayin abu ɗaya mai rikitarwa.

 

Muhimmancin Matsayin Daidaitaccen Molds a cikin Masana'antar Zamani

Masana'antar ƙera allurar rigakafi, ginshiƙi na samar da kayayyaki na zamani, tana bunƙasa a kan rawa mai sarkakiya tsakanin kimiyyar kayan aiki, injiniyan injiniya, da kuma sarrafa tsari. A cikin wannan fanni, ƙera sassa masu haske sosai - kamar murfin PMMA (acrylic) mai haske don likitanci, motoci, da na'urorin lantarki na mabukaci - yana wakiltar ɗayan fannoni mafi wahala. Ba kamar sauran sassan da ba a iya gani ba, waɗannan sassan dole ne su cimma kamala ta kusa da gani, wanda hakan ya sa ƙirar da aka ƙirƙira ta dogara ba kawai akan kayan aiki ba, har ma da kayan aikin gani mai inganci.

 

Tafiyar murfin PMMA daga ra'ayi zuwa samfurin da aka gama a hannun abokin ciniki labari ne na tsammanin ƙalubale a kowane mataki. Ya fara da ƙira wanda dole ne ya yi la'akari da halayen kayan na musamman a ƙarƙashin zafi da matsin lamba kuma ya wuce ta hanyar tsarin masana'antu inda lahani mai ƙananan yawa zai iya sa cikakken tsari ya zama mara amfani. Nan ne ƙwarewar masana'antun ƙwararru kamar Ansix Tech ta zama mai mahimmanci. Aikinsu yana tabbatar da cewa ana iya fassara haske, juriya, da kyawun PMMA cikin aminci da araha zuwa miliyoyin sassa iri ɗaya, cikakke.

 

Mataki na I: Tsarin Tushe da Tabbatar da Samfurin

Asalin tsarin samar da kayayyaki mara aibi yana cikin tsauraran dabarun injiniyanci. Tsarin Ansix Tech ya fara ne da cikakken bita kan ƙirar dijital, inda aka bincika samfurin 3D na samfurin ba kawai don tsari da aiki ba, har ma don iya kerawa.

 

Babban kayan aiki a wannan matakin shine nazarin Tsarin Zane don Masana'antu (DFM), inda injiniyoyi ke haɗin gwiwa da abokin ciniki don gano matsalolin samarwa. Ga murfin PMMA, wannan yakan ƙunshi ba da shawarar kusurwoyin zane. PMMA abu ne mai ɗanɗano mai yawa, mai ɗan rauni, kuma rashin isasshen kusurwoyin zane na iya haifar da mannewa, ƙyanƙyashe saman lokacin fitar da shi, ko ma fashewar bala'i. Masana sun ba da shawarar a yi amfani da mafi ƙarancin digiri 3 don PMMA don tabbatar da cewa an rushe shi lafiya kuma amintacce.

 

A lokaci guda, ana fara kwaikwayon Mold Flow Analysis (MFA). Wannan software mai wayo yana kwaikwayon yadda PMMA mai narkewa zai ratsa ta tsarin gudu da aka tsara na mold, ya cika ramin, sannan ya huce ya kuma rage. Ga sassa masu haske, manufofin wannan kwaikwayon suna da tsauri musamman. Injiniyoyi suna amfani da MFA don hangowa da kawar da lahani na gani a tushen su: yana taimakawa wajen sanya ƙofar don rage layukan kwararar da ake gani, daidaita ramuka da yawa don tabbatar da cikawa iri ɗaya, da kuma tsara tsarin sanyaya wanda ke ƙarfafa ɓangaren daidai don hana warpage da damuwa na ciki. Wannan samfurin kama-da-wane mataki ne mai mahimmanci na adana kuɗi, gano da warware matsaloli kafin a yanke ƙarfe guda ɗaya.

 

Mataki na II: Kimiyyar Kayan Aiki & Tsarin Gine-gine na Mold Mai Ci Gaba

Zaɓin kayan aiki shawara ce mai fuskoki biyu, wadda ta shafi filastik na ƙarshe da kuma ƙarfen da zai samar da shi.

 

Zaɓin Kayan PMMA: Ga murfin gani, Ansix Tech yana ba da fifiko ga resin PMMA mai tsafta, mai girman allura tare da kunkuntar rarraba nauyin kwayoyin halitta. Wannan yana tabbatar da daidaiton kwararar narkewa kuma yana rage haɗarin rawaya ko karkacewar gani. Ana zaɓar ƙarin abubuwa da kulawa sosai; misali, ana zaɓar takamaiman masu daidaita UV ko magungunan hana tsatsa waɗanda suka dace da PMMA don guje wa ƙirƙirar "hazo" ko hazo a cikin ɓangaren ƙarshe mai haske.

 

Zaɓin Karfe na Mold: Dole ne a ƙera mold ɗin da kansa daga kayan da za su iya jure buƙatun takamaiman aikin PMMA yayin samar da ƙarewar saman da ake buƙata. Manyan abubuwan da za a yi la'akari da su sun haɗa da ƙarfin gogewa, juriya ga tsatsa (kamar yadda wasu matakan PMMA na iya fitar da tururin lalata), da isasshen tauri don tsawon lokacin samarwa. Karfe da aka saba amfani da su sun haɗa da matakan inganci kamar S136 ko 420 bakin ƙarfe, waɗanda ke ba da kyakkyawan juriya ga tsatsa kuma ana iya goge su zuwa kyakkyawan ƙarewar gani. Don wurare masu mahimmanci na sanyaya a cikin manyan fil ɗin tsakiya, ana iya amfani da karafa masu yawan zafi kamar jan ƙarfe beryllium azaman abubuwan sakawa don inganta fitar da zafi sosai.

 

Tsarin tsarin cikin gidan mold ɗin shine inda ƙwarewar injiniyanci ke fassara kai tsaye zuwa inganci da ingancin farashi.

 

Tsarin Gudu da Ƙofar: Ganin yadda PMMA ke da ɗanko mai yawa, an tsara masu gudu don a yi musu girma sosai tare da sassan giciye masu zagaye don rage juriyar kwarara da asarar matsi. Ana zaɓar ƙofar—wurin da kayan ke shiga ramin—da la'akari da yanayin amfani da ƙarshen. Don manyan murfi masu haske, galibi ana amfani da ƙofofin fanka ko ƙofofin shafi. Waɗannan ƙofofi masu faɗi da sirara suna ba da damar narkewar ta shiga ramin a cikin faffadan takarda mai laushi, suna rage matsin lamba na yankewa da hana zafi fiye da kima da aka saba gani wanda zai iya haifar da alamun splashing ko "jetting" streaks.

 

Tsarin Sanyaya (Tashoshin Ruwa): Wannan ita ce tsarin da ya fi muhimmanci ga yawan aiki. Tunda lokacin sanyaya zai iya ɗaukar sama da kashi 80% na jimlar zagayen, ingantaccen tsarin sanyaya mai daidaito shine mafi mahimmanci don sarrafa farashi. Ansix Tech yana tsara tashoshin sanyaya don bin tsarin ɓangaren gwargwadon iko, yana kiyaye nesa iri ɗaya daga saman ramin. An shirya hanyoyin don ƙirƙirar kwararar ruwa mai rikitarwa (tare da lambar Reynolds >4000), wanda ke haɓaka ingancin canja wurin zafi idan aka kwatanta da kwararar laminar. Ga sassan kauri na murfin PMMA, ƙarin sanyaya a cikin nau'in baffles, kumfa, ko ma tashoshin daidaitawa waɗanda aka ƙera ta hanyar bugawa ta 3D za a iya ƙayyade su don hana wurin zafi wanda zai tilasta tsawon lokacin zagayowar ga dukkan ɓangaren.

 

Tsarin Fitar da Kaya: Domin kiyaye saman murfin da ke da haske, fitar da kaya dole ne ya kasance mai santsi da daidaito. Yawanci ana guje wa fitar da kai tsaye da fil a saman kayan kwalliya. Madadin haka, Ansix Tech tana fifita tsarin kamar faranti masu cire kaya ko kuma masu cire kaya waɗanda ke amfani da ƙarfi a kan faɗin yanki ko a kan saman da ba su da mahimmanci kamar kewayen ɓangaren. Wannan yana hana alamun damuwa, tura fil, ko karkacewa a kan wurin gani na murfin.

 

Tebur 1: Kwatanta Muhimman Halaye don Roba Mai Bayyanannun Jiki

Mataki na III: Tsarin aiki na masana'antu da sarrafa daidai

Da kammala ƙirar, sai aka mayar da hankali kan sauya samfuran dijital zuwa gaskiyar ƙarfe mai tauri. Ansix Tech tana amfani da cibiyoyin injina masu sarrafawa ta kwamfuta don ƙera mold. Yawanci ana ƙera tsakiyar da ramin daga tubalan ƙarfe da aka riga aka taurare ta amfani da niƙa mai sauri don cimma siffar da ke kusa da raga. Bayan haka, sai aka yi jerin ayyukan kammalawa daidai.

 

Domin cimma saman da ake buƙata don murfin da ke bayyana, ramin yana yin aikin gogewa mai kyau. Wannan yana ci gaba ta hanyar gogewa mai laushi, wanda galibi yakan ƙare da manna lu'u-lu'u, don cimma kauri na saman (Ra) na 0.05 µm ko mafi kyau - ainihin madubi wanda aka kwafi akan kowane ɓangaren PMMA. Duk wani ƙaramin gogewa akan ƙarfen mold za a sake maimaita shi da aminci a matsayin lahani da ake gani a kan murfin da aka yi.

 

Da zarar an haɗa shi, ana ɗaukar samfurin kuma a gyara shi da kyau a kan injin ƙera allura. Ana amfani da "hotunan" farko don tabbatar da aikin mold ɗin da kuma fara inganta sigogin sarrafawa daidai, wani mataki mai mahimmanci ga inganci da farashi.

 

Mataki na IV: Inganta Tsarin Aiki & Tabbatar da Inganci

Nasarar gyaran PMMA mai haske yana rufe maƙasudin ƙwarewa a cikin wani tsari mai rikitarwa na sigogin hulɗa. Masu fasaha na Ansix Tech sun kafa tsarin ƙera kayan kimiyya ta hanyar tsari.

 

Kula da Zafin Jiki: Ba za a iya yin sulhu a kan sarrafa zafin jiki daidai ba. Zafin narkewar ya kamata ya kasance mai yawa don tabbatar da kwararar ruwa mai kyau (yawanci 220-250°C) amma ana sarrafa shi sosai don hana lalacewar zafi, wanda ke haifar da rawaya da kumfa. Hakanan ana ƙara yawan zafin mold (sau da yawa 60-80°C ga PMMA). Mold mai ɗumi yana rage saurin sanyaya kayan da ke taɓa saman, yana barin shi ya daɗe yana da ruwa kuma ya kwaikwayi kammala madubi daidai, yayin da kuma rage damuwa da ta rage a ɓangaren da aka gama.

 

Saurin Allura & Matsi: Ana amfani da tsarin allura mai matakai da yawa. Matsakaicin gudu na farko yana cika mai gudu da ƙofar don guje wa dumama yankewa. Daga nan ana ƙara saurin don cike babban ramin da sauri kafin a sake rage gudu yayin da ramin ya kusa cika da kashi 95-98%. Wannan matakin "gudu" na ƙarshe yana tattara mold a hankali don guje wa matsi da yawa da haifar da damuwa ta ciki, wanda zai bayyana a matsayin karkacewar gani ko "zaren azurfa" a cikin ɓangaren da ke bayyane. Sannan ana amfani da matsi na tattarawa da riƙewa don rama raguwar kayan yayin da yake sanyaya.

 

Inganta Lokacin Zagaye: A nan, ingancin aiki yana rage farashi kai tsaye. Mafi girman ɓangaren zagaye shine lokacin sanyaya. Ansix Tech yana amfani da bayanai daga nazarin kwararar mold da gwaje-gwajen gwaji don tantance mafi ƙarancin lokacin sanyaya da ake buƙata don mafi kauri na ɓangaren don ya taurare isasshe don fitar da shi. Aski koda na 'yan daƙiƙa kaɗan a wannan lokacin, wanda aka ninka shi sama da ɗaruruwan dubban zagaye, yana samar da babban tanadi a cikin lokacin injin da kuzari.

 

Tebur na 2: Lalacewar Motsa Jiki na PMMA da aka saba da shi da kuma Dabaru na Rage Ragewa na Ansix Tech

An saka Tabbacin Inganci (QA) a cikin samarwa. Binciken farko na amfani da Injinan Aunawa na Coordinate (CMM) don tabbatar da ma'auni masu mahimmanci. A lokacin samarwa, ana iya amfani da tsarin hangen nesa na cikin layi da na'urori masu auna laser don duba lahani na gani, girma, da watsa haske ta atomatik, don tabbatar da daidaito 100%. Wannan hanyar "ingancin da aka gina a cikin tsari", kamar yadda shugabannin masana'antu suka ba da shawara, ta fi inganci fiye da rarrabawa da goge sassan da suka lalace bayan samarwa.

 

Alƙawarin Ansix Tech: Samar da Aminci da Daraja

Kwarewar da Ansix Tech ta samu a fannin PMMA da sauran robobi na injiniya ya haifar da gagarumin ci gaba ga nasarar abokin ciniki. Wannan sadaukarwar tana bayyana ta hanyoyi biyu: aminci mai ƙarfi da kuma inganta farashi mai tsauri.

 

Aminci ya ginu ne akan ƙirar ƙira mai ƙarfi, kayan aiki masu inganci, da kuma falsafar sarrafa bayanai mai tsari. Wannan yana tabbatar da cewa da zarar an tabbatar da ƙirar kuma an kafa tsari, yana gudana akai-akai har tsawon rayuwar shirin samarwa, yana isar da sassa iri ɗaya, masu inganci da ake ɗauka bayan an ɗauka, da kuma jigilar kaya bayan an jigilar su.

 

Duk da haka, inganta farashi shine inda ƙwarewar Ansix Tech ke ba da ƙima mai ban mamaki. Ta hanyar amfani da ƙa'idodin ƙira na kimiyya da kayan aikin kwaikwayo masu inganci, suna aiki tuƙuru don rage jimlar farashin mallakar ga abokan cinikinsu. Ana samun wannan ta hanyar ƙirƙirar ƙira don ingantaccen aiki (zagaye masu sauri, lokacin aiki mai yawa), inganta amfani da kayan aiki ta hanyar ƙirar mai gudu mai wayo, da kuma ci gaba da bin diddigin rage lokacin zagayowar ba tare da lalata inganci ba.

 

Bugu da ƙari, ƙwarewarsu ta sarrafa kansa ta hanyar sarrafa tsari—daga cire sassan robotic zuwa marufi ta atomatik—yana rage farashin aiki da kuskuren ɗan adam yayin da yake tabbatar da isar da kayayyaki cikin sauri, ba tare da lalacewa ba. A cikin masana'antar da farashin kowane ɓangare shine ma'auni mafi girma, hanyar Ansix Tech ta cikakken tsari don inganta injiniyanci tana tabbatar da cewa abokan cinikinsu ba kawai suna samun ingantaccen samfuri ba, har ma da fa'idar gasa mai mahimmanci a kasuwanninsu.

 

Kamfanin Ansix Tech Ltd

Idan kuna da wasu tsare-tsare da suka shafi murfin PMMA mai haske, kuna iya tuntuɓar mu a kowane lokaci. Za mu mayar da ra'ayoyinku su zama gaskiya, mu bar ku ku cika burinku, kuma mu sami manyan oda daga kasuwa. Bayanan tuntuɓar mu sune info@ansixtech.com. Ko kuma ku tuntuɓi CTO ɗinmu, ta imel: stephen@ansixtech.com

 

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