Shin ya taba mamakin dalilin da yasa wasu kayayyakin filastik suka ji yayin da wasu suke da arha? Amsar na iya mamakin ku - ita ce duka yanayin zafin jiki! Wannan ba a san wannan gwarzo na allurar rigakafi yana taka muhimmiyar rawa a cikin ɗaukar komai ba daga yanayin wayarku zuwa dashboards mota. Karfin da ba zai ganuwa ba ne yake siffayyar kamannin, ji, da kuma aikin filayen filastik muna amfani da kullun.
Kasance tare da mu kamar yadda muke nutse cikin duniyar da ke da sha'awa ta sarrafa zafin jiki, inda daidai yake da kerawa don samar da kayayyakin filastik da muke samu da yawa. Gano yadda wannan tsari na baya-da-baya yake tasirin abubuwanku na yau da kullun kuma me yasa mabuɗin masana'antu!
Tasirin zafin jiki na mold a cikin allurar da aka gyara
Kula da sarrafa zazzabi da kyau yana da mahimmanci don cimma kyakkyawan halaye, daidaitaccen daidaito, da kuma ingancin samarwa. Yana shafar abubuwa masu yawa na tsari na tsari:
Cooling kudi na molten filastik: yawan zafin jiki mafi girma yana jinkirta sanyaya, yana ba da ƙarin lokaci don sarƙoƙin polymer don shirya kansu.
Halin da ke gudana a cikin rami: Warmer molds rage danko, yana ba da mafi kyawun cika sassan bakin ciki da hadaddun geometries.
Farfajiyar ƙasa da kayan aikin injinan na ɓangaren: Babban yanayin zafi sau da yawa yana haifar da mafi kyawun saurin ƙasa kuma yana iya haɓaka ƙarfin injiniya.
Tasiri akan bayyanar
Zaɓalar mold zazzabi tana da tasiri kai tsaye a farfajiyar lalacewa na sassa-molds. Yankwarin yanayin zafi yana sa kayan ya kwantar da hankali sosai, yana haifar da gamsuwa ko matte ko kuma wanda ba a so don samfuran mai haske ko kuma goge goge. A gefe guda, yanayin zafi mai girma yana ba da damar filastik don tsayawa tsawon tsayi, yana taimakawa ya kasance kusa da cikakkun bayanai na ƙirar ƙasa, wanda ya ƙare.
| Mold | farfajiya | zazzabi |
| M | M, daki-daki daki-daki | Low mai sheki |
| M | Santsi, cikakken bayani | Babban mai sheki |
| Yayi tsayi sosai | M zuwa mold | Mai sheki amma lahani |
Tasiri akan girman samfurin
Shrinkage babu makawa yayin sanyaya, amma zazzabi mold yana ƙayyade nawa kuma yadda a ko'ina a cikin sashi zai rushe . Yankwenarancin yanayin zafi sau da yawa yana haifar da sanyaya mara kyau, wanda zai iya haifar da bambanci, yana haifar da rashin daidaituwa. Wannan matsala ce musamman don daidaitattun abubuwan da ke buƙatar ƙaƙƙarfan yarda. Tattalin hulɗa, yanayin zafi mafi girma na iya inganta yanayin rigar ado, inganta yanayin kwanciyar hankali da taimakon sassa sun cika takamaiman bayanai.
Key la'akari sun hada da:
Mafi girma yanayin zafi yawanci yana haifar da karuwar shrinkage : Wannan zai kasance saboda ƙarin annashuwa da sarƙoƙi yayin sanyaya.
Lowerancin yanayin zafi na iya haifar da bambanci ga sashin : Wannan matsala ce musamman ga sassa tare da launuka daban-daban.
Bambancin zazzabi a cikin mold na iya haifar da warppage : mara sanyi mai sanyaya na iya ƙirƙirar damuwa na ciki, yana iya haifar da damuwa na ciki, yana haifar da ɓangaren murdiya.
| mold zazzabi | shrinkage | daidai |
| M | Unnkage | Rashin daidaito |
| M | Mai sarrafawa | Babban daidaito |
| Yayi tsayi sosai | Yawan iska | Na iya haifar da ƙananan girma |
Ga tebur da ke nuna yawan ƙuruciya na yau da kullun don filastik na kowa a zazzabi daban-daban:
| kayan | mold tempol | (%) |
| Abin da | 50 | 0.4-0.6 |
| 80 | 0.5-0.8 |
| Pp | 20 | 1.0-1.5 |
| 60 | 1.3-2 |
| PA66 | 80 | 0.8-1.2 |
| 120 | 1.0-1.5 |
Tasiri kan dorormation
Daula yakan faru ne lokacin da sassan daban-daban na pactom a cikin kudaden daban-daban. Zazzabi moly zazzabi shine mahimmancin mahimmancin hana wannan, saboda yana tasiri kai tsaye da saurin sanyi na kayan. Idan wasu wuraren da za a yi sanyi da sauri saboda yawan zafin jiki na rashin daidaituwa, ɓangare na iya yin gargaɗi, lanƙwasa, ko murƙushe. Ta hanyar kiyaye madaidaicin zafin jiki, masana'antun za su iya tabbatar da cewa tsarin sanyaya shine uniform, yana hana ƙarshen lahani.
A cikin yanayi inda bangare yake da matukar kauri bango ko hadaddun geometries, kula zazzabi zai zama mafi mahimmanci. A mafi yawan zafin jiki don sassan kajin da dan kadan zazzabi don wuraren daɗaɗaɗɗen yana taimakawa daidaita farashin sanyaya, rage haɗarin warping da damuwa na ciki.
Ya zama bayarwa, zai shafi:
Warpage saboda sanyaya sanyaya : Grayernings na zazzabi a duk bangaren na iya haifar da bambancin girgiza.
Juyawar ciki a cikin ɓangaren : sanyaya sanyaya na iya 'daskarewa in ' damuwa da zai iya haifar da lalacewa ta gaba ko gazawa.
Post-mold Duri mai kyau : sassa da ladabi a yanayin zafi sau da yawa suna nuna mafi kyawun kwanciyar hankali mai tsayi.
Tasiri kan kayan aikin injin
Abubuwan da ke amfani da su kamar ƙarfi na tenawa, juriya, da sassauci duk suna shafar zazzabi da zafin jiki. Lowarancin yanayin zafi mai ƙarfi na iya haifar da layin wel da kuma alamun damuwa, wanda ke sasanta yanayin tsarin da ya rage. Higher temperatures allow the plastic to flow more freely, improving weld line strength and reducing internal stress.
Jigilar damuwa kuma yana da alaƙa da yawan zafin jiki. Don kayan kamar polycarbonate (PC) ko Nylon (PA66), yanayin zafi mai girma yana haɓaka mafi kyawun lu'ulu'u, wanda ya sa sassa da ƙarfi da ƙarfi ga damuwa. Yawan yanayin zafi mara ƙarfi na iya ƙara damuwa na ciki, yana haifar da sassan da za su iya zama mafi daidaituwa ga fatattaka a ƙarƙashin nauyin injiniya ko yanayin muhalli.
Zaɓalar mold zazzabi yana da tasiri mai yawa akan kayan aikin na kayan molds. Wannan tasirin ana kiranta polymers na Semi-Crystalline, inda mataki na lu'ulu'u ne yawan zafin jiki sosai.
Tasirin mahimman tasirin sun hada da:
Tsoffin yanayin zafi yakan inganta ƙarfin ƙarfin da ke haɓaka da tasiri : Wannan saboda haɓakar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwaƙwalwar ciki, don ƙyallen kwayoyi na Semi, ƙara crystallenity.
Lowerarancin yanayin zafi na iya ƙara ƙarfi amma yana iya rage ɓarna :ing mai sauri na iya ƙirƙirar ƙarin tsari na amorphot ɗin a cikin polymers na Semi.
Tasirin ya bambanta sosai tsakanin amorphot da Semi-cryalline.
Tasiri kan zazzabi na zafi
Zafin zafi zazzabi (HDT) yana auna yadda kayan abu zai iya tsayayya da zafi ba tare da nakasa ba. Matsalar zafin jiki na ƙiyayya tana tasiri HDT ta hanyar shafar kunshin filastik. A lokacin da aka shafa a cikin ƙarancin zafin jiki, farfadan Semi-crystalline na iya yin kuka cike da kamuwa da su, suna sa su fi kamuwa da nakasa a ƙarƙashin zafi. Da bambanci, saita zafin zafin da yakamata a kusa da abin da ke tattare da abin da ya dace da cewa ɓangaren ya sami cikakkiyar lu'ulu'u.
Idan wani ɓangare na filastik ya fara yin shroinkage post-mold shrockage saboda rashin isasshen kukan, zazzabi juriya ya lalace. Tabbatar da yawan zafin jiki na dama na iya inganta HDT, wanda yake mai mahimmanci ga sassan sassan da aka fallasa su ga mahalli mai zafi, kamar su kayan aiki ko gidajen lantarki.
Tantance daidai zafin jiki
Zabi yawan zafin jiki na dama ya shafi tunanin nau'in filastik, letometry na geometry, da kuma takamaiman aikace-aikace. Jirginsastik daban-daban daban suna buƙatar yanayin zafin yanayi daban-daban don cimma kyakkyawan kwarara, sanyaya, da kaddarorin ƙarshe. Misali, polycarbonate (PC) yana buƙatar zafin jiki mafi girma don guje wa fatattaka mai fashewa, yayin da polypropylene (PP) daga ƙananan yanayin zafi don hana wuce kima.
Nagar yanayin yanayin yanayi don
| kayan abu na gama gari | sun ba da shawarar zafin jiki (° C) |
| Pp | 10-60 |
| Abin da | 50-80 |
| Hula | 40-90 |
| PC | 80-120 |
| PA66 | 40-120 |
Designingirƙira kamar kwatankwacin bangon bango da ke da ƙarancin zafin jiki. Don sassan kauri, yawan zafin jiki mai girma yana tabbatar da cewa kayan sanyi mai sanyi, rage haɗarin voids ko nakasassu. Don sassan da ke bakin ciki-walled, yanayin ƙananan yanayin ƙasa galibi yakai, yana ba da izinin lokacin rufin sauƙaƙe ba tare da tsara inganci ba.
Tsarin yanayin yanayin zafin jiki
Tsarin zafin jiki na mold ya ƙunshi duk dumama da sanyaya tsarin don kula da zafin jiki na da ake so a ko'ina cikin zagayowar Molding. Dokar ingantacciya tana inganta yawan aiki kuma tana rage lahani.
Na'urorin sanyaya : Waɗannan ana amfani da su da farko don thermoplastastics na thermoplastics zuwa hanzari kwantar da mold kuma rage lokacin ratsa. Tashoshi a cikin mold bada izinin coolalant don kewaya, zane mai zafi nesa daga kogon da ke kula da zazzabi.
Tsarin dumama : Don ruwayoyin tsinkaye ko molds tare da buƙatun zazzabi na musamman, tsarin dumama ya tabbatar da ƙirar da ya dace. Za'a iya haɗa hawan wutar lantarki ko tsarin tushen mai a cikin ƙirar don samar da dumama.
| Alamar tsarin tsarin | kayan | aiki |
| Sanyaya (ruwa) | Thermoplastics (misali, PP, Abs) | Saurin zagaye lokacin |
| Dumama (mai / lantarki) | Rikicin Thermosetting | Kula da yawan zafin jiki |
Tsarin tsari mai ban tsoro-ko da kuma sanya shi zuwa lahani kamar talaucin ƙasa
Shirya matsala da dabarun ci gaba
Daidai yawan yawan zafin jiki na yau
WarPage : lalacewa ta hanyar sanyaya mara kyau, wanda za'a iya ƙaura ta hanyar daidaitawa da zafin jiki da inganta ƙirar tashar sanyaya.
Alamar haskakawa : faruwa lokacin sanyi tana da sauri, wanda ke haifar da baƙin ciki. Daidaita zafin jiki na mold don ƙara lokacin sanyaya mai sanyaya na iya taimakawa.
Rashin kyau farfajiya : Idan zafin jiki na mold ya yi ƙasa sosai, saman na iya zama m ko maras nauyi. Ƙara yawan zafin jiki yana inganta ingancin gamawa.
Ba a cika cika ba : A sau da yawa sakamakon rashin isasshen zazzabi, yana hana narke daga cika kogon gaba ɗaya.
| da | kullun | da |
| Warppage | M sanyaya | Daidaita zazzabi, tashoshin redesign |
| Alamar ruwa | M sanyaya | Haɓaka zafin jiki na mold, mashin lokacin sanyi |
| Mara kyau farfajiya | Ƙarancin zafin jiki | Haɗa zafin jiki |
| Cikawa cikawa | Rashin isasshen zazzabi | Yawan zazzabi, inganta kudaden kwarara |
Matsayi na zazzabi da sarrafawa
Cikakken ma'aunin zafin jiki yana da mahimmanci don aikin mold. Ana amfani da thermoopples yawanci don auna zazzabi mold, samar da amsa na lokaci-lokaci zuwa tsarin sarrafawa. Wadannan na'urori masu amfani da kai suna karkatar da kai kusa da maki masu mahimmanci, kamar su na mold ko tashoshin sanyaya, tabbatar da saka idanu na saka idanu.
| Ikon hanya | fa'idodi |
| A kan / kashe iko | Mai sauki, mai araha, amma ba daidai ba |
| Pid Pid | Ci gaba, yana ba da ingantaccen tsarin zafin jiki |
PID (gwargwado-tasoshin-hade-gyarawa) samar da ingantacciyar hanya, ci gaba da daidaita zafin jiki na mold. Wannan hanyar ta tabbatar da kwanciyar hankali ta hanyar hana yawan zafin jiki na overshoot ko saukad da kwatsam, mai mahimmanci don kiyaye daidaiton aiki.
Motse zafin jiki saiti da ingantawa
Farawa tare da saitunan yanayin da aka ba da shawarar masana'anta shine mafi kyawun tsarin. Koyaya, lafiya-tunkiya ya zama dole don dacewa da takamaiman halayen kayan duniya da kayan zane. Misali, Rikicin Crystalline irin su Pa66 ko Pom suna buƙatar yanayin zafin yanayi mai kyau don inganta yanayin sanyi da keɓaɓɓe ba tare da ingancin yanayi ba.
Ikon zazzabi na Zanki : Mummunan zamani ana haɗa su da takamaiman sarrafa zafin jiki. Wannan yana bawa masu kerawa don saita yanayin zafi daban-daban don sassa daban-daban na mold, kamar su cor da kogon, inganta farashin sanyaya don sassan sanyaya da sassa da yawa.
Shuka manyan molds . Wannan yana hana saurin zazzabi wanda zai iya haifar da lahani da wuri a cikin tsarin sarrafa.
Balancing lokacin rufi da ingancin sashi yana buƙatar daidaita yanayin zafin jiki don saurin sanyaya yayin riƙe da amincin. Kyakkyawan wannan saitunan na iya inganta ingancin inganci kuma rage farashin samarwa gaba ɗaya.
Tasirin ci gaba
Fasaha masu tasowa a cikin sarrafa zazzabi a cikin mold sun haɗa da tashoshin sanyaya sanyaya, da hanyoyin haifar da dumama tsarin.
Tashoshin sanyaya sanyaya : Waɗannan hanyoyin da aka tsara al'ada ne waɗanda ke bin diddigin ƙirar, suna ba da sandar sutura da rage lokacin sake zagayawa.
Matakai na Votiomer : Waɗannan tsarin suna zafi da sanyi da moldta don inganta ingancin yanayin, musamman suna da amfani ga sassan sassan da ke buƙatar babban ɓangare.
Rashin dumama tsarin dadawa : Rashin dumama yana ba da damar karkatar da ƙirar, saurin dumama na ƙwararru, musamman fa'ida don kayan aikin daidaito ko wuraren da suke buƙatar cikakken bayani.
Abubuwan da zasuyi da hankali nan gaba kan masu son kai da nazarin bayanai na lokaci-lokaci, suna ba da ƙarin tsarin sarrafa zazzabi. Wadannan dabarun suna tsammanin don haɓaka haɓaka samarwa, rage lahani, da haɓaka amfani da makamashi.
Ƙarshe
Mold zazzabi rinjayar bayyanar samfurin karshe, daidaitaccen kayan yau da kullun, kaddarorin injin, da ingancin gaba ɗaya. Gudanar da madaidaicin zafin jiki yana tabbatar da santsi na laushi gama, madaidaicin zagi da lahani, shrinkage, ko layin da yake gudana. Daidaita zafin jiki na mold ya inganta duka kayan samarwa da aiki na aiki, yana tabbatar da shi da muhimmanci don samar da kayan haɗin allurar rigakafi tare da sakamako mai daidaituwa.
Shirye don ɗaukaka samarwa? Teamungiyar MFG tana ba da mafita ga mafita ga kasuwancin duk masu girma dabam. Ko kuna farawa tare da ra'ayi na ƙasa ko kamfani da aka kafa wanda ke neman haɓaka samfuran data kasance, muna da kayan aikin da ilimin don tallafawa nasarar ku. Tuntube mu yanzu. Bari mu ƙirƙiri wani abu na musamman tare.
Faqs game da zafin jiki na mold a cikin allurar m
1. Me yasa zazzabi ne mai mahimmanci a cikin allurar da aka yi?
Mold zazzabi yana sarrafa yadda zanla da filastik na molten da kuma inganta yanayin ƙarewa, kayan ado na musamman, kaddarorin na yau da kullun, da ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin, da kuma ingancin kayan aikin. Ka'idojin zazzabi da kyau yana tabbatar da santsi saman, ƙarancin lahani, da kuma sashe mai aiki.
2. Me zai faru idan zafin jiki ya yi ƙasa?
Hard ƙasa da ƙasa da ke haifar da filastik don kwantar da hankali sosai da sauri, yana haifar da cikar madaidaiciya, da kuma yanayin cikawa kamar layin kwarara ko walwala. Hakanan zai iya haifar da kwanciyar hankali mai kyau da damuwa na ciki wanda ke shafar wani sashi.
3. Ta yaya zafin jiki na mold yana shafar ƙyallen a cikin sassan da aka gyara?
Mafi girma yanayin zafi gabaɗaya yana ba da damar ƙarin shrinkage, inganta haɓakar daidaito. Lowery yanayin zafi na iya haifar da narkewa mara kyau, yana haifar da mafi girma ko kuma gurbata sassan saboda saurin sanyaya da sauri.
4. Ta yaya zan ƙayyade zafin jiki na dama don kayan nawa?
A daidai m mold ya dogara da nau'in kayan, ƙirar samfuri, da kuma buƙatun aikin. Masu sana'o'in yawanci suna ba da shawarar albarkatun ƙasa da ƙarfi na juyi don manyan abubuwan ɓacewa.
5. Menene lahani na yawan zafin jiki na yau da kullun, kuma ta yaya za a guji?
Kuskuren gama gari sun haɗa da warping, alamun alamun ruwa, ƙarancin ƙasa, kuma cika cika. Za'a iya nisantar da waɗannan ta hanyar inganta zazzabi mold, ta amfani da ingantaccen sanyaya ko dumama tsarin, da kuma tabbatar da yawan zafin jiki a cikin ƙirar.
