Tsarin allura
Tsarin yanayin rashin daidaito galibi ya ƙunshi matakai 6, gami da rufewa - cika - sanyaya matsin lamba - sanyaya - buɗewar buɗe ido. Wadannan matakan shida kai tsaye ƙayyade ingancin samfuran samfuran, kuma waɗannan matakan shida suna da cikakken tsari.
Tsarin allura - Cika mataki
Cika shi ne matakin farko a cikin zagayowar duka alluna, kuma an rufe lokaci tun daga farkon allurar da aka rufe lokacin da aka rufe har sai an rufe murfin har zuwa kusan 95%. A halin yanzu, ga gajarta da cika lokacin, mafi girman ingancin ƙarfin; Koyaya, a cikin ainihin samarwa, lokacin bayyanar yana ƙarƙashin yanayi da yawa.
Babban gudu cika. Babban saurin cika tare da babban karfi na karfi, filastik saboda shinge Tasalin Tasalin da kuma kasancewar karfin gwiwa don rage; Tasirin hadin kai na gida zai kuma yi kauri daga cikin abin da ke cikin abin da ke cikin Layer. Saboda haka, a cikin sarrafa kwarara na gudana, cika halayen sau da yawa ya dogara da girman ƙara da za a cika. Wannan shi ne, a cikin tsarin sarrafawa, tasirin ƙwallon ƙafa yana da yawa saboda babban saurin haɗe, yayin da tasirin sanannun bangon ba a bayyane yake ba, don haka amfani na ƙimar rinjaye.
M-kudi cika. Canja wurin zafi mai saurin sarrafawa yana da ƙarancin ƙarfi yana da ƙananan ƙimar kai, mafi girma danko a cikin gida da kuma yawan kwararar ruwa. Saboda yawan saurin juyawa na thermoplasticment, kwarara yana da hankali, saboda tsananin canja wurin da sauri ya kwashe don bango mai sanyi. Tare tare da karami adadin mai dafawa yana da matukar dumama, da kauri daga cikin Layer mai kauri, da kuma kara karfin juriya a bangon bango.
Saboda maɓuɓɓugar ruwa, a gaban raƙuman furanni na filastik pharymer sarkar sarkar zuwa gaban raƙuman ruwa. Saboda haka, lokacin da murƙushe masu murƙushe biyu ketare, sarƙoƙi na polymer a farfajiyar lambar suna daidai da juna; Tare da yanayi daban-daban na robobi biyu na molten, wanda ya haifar da ingantaccen ƙarfin microscopically talauci na narkewar yankin narke. Lokacin da aka sanya ɓangaren a kusurwar da ya dace a ƙarƙashin haske da lura da tsirara ido, ana iya gano cewa a bayyane layin hadin gwiwa, wanda shine kayan haɗin gwiwa na narkewa. Alamar Fusion ba wai kawai ya shafi bayyanar filastik bangon filastik ba, har ma da karin microstructure, wanda zai iya haifar da maida hankali, don haka rage ƙarfin ɓangaren kuma yana rage ƙarfin hali.
Gabaɗaya magana, ƙarfin Markokin Fuion yana da kyau lokacin da aka yi fushin da aka yi a cikin tsakiyar zazzabi. In addition, the temperature of the two melt strands in the high temperature region is close to each other, and the thermal properties of the melt are almost the same, which increases the strength of the fusion area; A akasin wannan, a cikin ƙananan yankin zazzabi, ƙarfin rashin talakawa mara kyau ne.
Tsarin allura - gudanar da aiki
Matsayin rike mataki shine ci gaba da amfani da matsi don ɗaukar narke da kuma ƙara yawan filastik don rama halayen filastik. A lokacin aiwatar da matsin lamba, matsin lamba ya yi girma saboda kogon da aka riga an cika shi da filastik. A kan aiwatar da rijewa matsin lamba, dunƙulewar injin ƙyallen mai narkewa na iya motsawa gaba ɗaya don karamin motsi, kuma ragin filastik shima sannu a hankali, wanda ake kira riƙe matsin lamba yana gudana. Kamar yadda filastik ya sanyaya kuma wallen bango da ƙwararrun bango, ƙwayoyin narke yana ƙaruwa da sauri, don haka juriya a cikin kogin da ke cikin kofarwar ƙwararru yana da girma. A cikin mataki na gaba na riƙe matsin lamba, ƙarancin abu ya ci gaba da ƙaruwa, da kuma sashen da aka gyara a hankali an kafa sannu-sannu. Lokaci yana riƙe da matsin lamba har sai an warkar da ƙofar kuma an hatimce a cikin lokacin da ruwa yake matsatar da matsakaicin matsin lamba ya kai darajar matsin lamba.
A cikin riƙe lokaci, Filastik yana da wata kasala saboda matsi yana da girma. A cikin tsakiyar matsaye, filastik shine denser da yawa shine mafi girma; A cikin ƙananan matsin lamba, filastik shine madauki da yawa yana ƙasa, don haka yana haifar da rarraba yawa rarraba don canzawa tare da matsayi da lokaci. Reseancin kwararar filastik yayi ƙasa sosai yayin gudanar da tsari, da kuma kwararar ba wasa da babban matsayi; Matsin lamba shine babban mahimmancin da ke shafar tsari na riƙe. A yayin aiwatar da tsari, Filin filastik ya cika da kogon murfin, a hankali a yi amfani da narke na narkewa a matsayin matsakaici don canja wurin matsin lamba. An canza matsin lamba a cikin m kogon zuwa saman bango da ƙirar filastik, wanda ke da ƙarfin buɗe ƙarfi don buɗe ƙarfi don kulle m.
A cikin sabon yanayin kyama, muna bukatar muyi la'akari da wasu sabbin hanyoyin ingin ingin, kamar su mai kama da gas, da sauransu na allurar ruwa, da sauransu.
Tsarin allura - mataki mai sanyaya
Cikin Yin allurar rigakafi , ƙirar tsarin sanyaya yana da matukar muhimmanci. Wannan saboda kawai lokacin da samfuran filastik na zane-zane ne sanyaya kuma ana warkewa zuwa ga wani tsoratarwa, ana iya fitar da kayan filastik daga mold don guje wa nakasarwa saboda sojojin waje. Tunda asusun lokacin sanyaya kusan kashi 70% zuwa 80% na sake zagayowar sake zagayowar duka lokacin, inganta kayan aiki mai kyau da rage farashin. Tsarin sanyaya kayan sanyin sanyi da aka tsara ba zai yi tsayi da tsayi da ƙara farashin ba; A hankali sanyaya zai ci gaba da haifar da warping da lalata kayayyakin filastik.
Dangane da gwaje-gwaje, zafi yana shiga ƙirar da ke cikin narke da kuma haɗuwa 5% ana yin sashi daga cikin narke zuwa ƙirar zuwa ƙirar. Kasuwancin filastik a cikin ƙirar ruwa saboda rawar da ruwan sanyi, zafi daga filastik a cikin ƙirar ruwa ta hanyar matsakaicin tsoratarwa zuwa bututu mai sanyi, sannan ta hanyar m haɗuwa ta hanyar sanyaya. Yawan yawan zafin da ba a ɗauke shi ba ta hanyar ruwan sanyi wanda aka ci gaba da gudana a cikin ƙirar har zuwa iska bayan an watsa shi a cikin iska bayan an katse shi bayan tuntuɓar duniyar waje.
Tsarin daidaitaccen yanayin rashin daidaituwa ya ƙunshi lokacin rufewa, cikawa, lokaci, mai sanyaya lokaci da lokaci mai sanyaya. Daga cikin su, asusun sanyaya lokaci don manyan rabo, wanda kusan kimanin 70% zuwa 80%. Saboda haka, lokacin sanyaya zai shafi tsawon tsarin yanayin fasalin da kuma yawan amfanin ƙasa na samfuran filastik. A zazzabi na samfuran filastik a matakin da aka dorolding ya kamata a sanyaya zuwa zazzabi mai zafi fiye da yanayin zafi na filastik don hana damuwa da kayan masarufi don abubuwan da aka haifar.
Abubuwan da ke shafar rage samfurin samfurin sune:
Fannoni na zane. Gaba ɗaya bango na kauri na samfuran filastik. Mafi girma daga cikin kauri daga samfurin, tsawon lokacin sanyi. Gabaɗaya magana, lokacin sanyaya shine game da gwargwado ga murabba'in kauri daga cikin samfurin filastik, ko gwargwado a cikin sau 1.6 sau na matsakaicin mai gudu. Wannan shine, sauƙin kauri daga samfurin filastik ya kara lokacin sanyaya ta sau 4.
Mold abu da hanyar sanyaya. Mummunan abu, gami da madaidaicin cose, kayan kulli da kayan from mold, yana da babban tasiri akan ragin sanyi. A mafi girma a cikin hanyar haɗuwar zafi mai inganci na kayan munts, mafi kyawun sakamako na canja wuri daga filastik a lokaci naúrar lokaci, da kuma gajeriyar lokacin sanyi.
Hanyar sanyaya kayan kwalliyar ruwa. Matsowa da bututun ruwan sanyi shine ga kogon ƙwanƙwasa, mafi girma diamita na bututu da kuma mafi yawan tasirin sanyi lokacin.
Ragin coolant mai gudana. Mafi girman kwararar ruwan sanyi, mafi kyawun tasirin ruwan sanyi don ɗaukar zafin rana ta hanyar haɗuwa.
Yanayin coolant. Dankali da ingantaccen Canja wurin COOLANT zai kuma shafi sakamakon canja wurin zafin rana. Thearancin danko na sanyaya, mafi girman canja wurin zafin rana, ƙananan zafin jiki, mafi kyawun sakamako mai sanyaya.
Zabin filastik. Filin filastik shine gwargwado na yadda filayen filastik yake gudanarwa daga wuri mai zafi zuwa wuri mai sanyi. Mafi girma da zafin jiki na filastik, mafi kyawun yanayin zafi, ko kuma mafi sauƙin yanayin zafin jiki, saboda haka zafi zai canza, da gajarta lokacin da ake buƙata.
Sarrafa sigogi. A mafi girma zafin jiki zazzabi, mafi girman zafin jiki na mold, ƙananan yanayin shara, tsawon lokacin da ake buƙata.
Tsarin ƙira na tsarin sanyaya:
Ya kamata a tsara tashar sanyaya ta hanyar da tasirin sanyaya yana da kyau da sauri.
Dalilin tsarin sanyaya shine kula da dacewa da ingantaccen sanyaya na ƙirar. Hamuka masu sanyaya yakamata su zama madaidaiciya don sauƙaƙe sarrafawa da taro.
A lokacin da ke zayyana tsarin sanyaya, mai zanen mold dole ne ya ƙayyade sigogin zane mai zuwa da kuma girman ramuka, da ƙimar ramuka, da ƙimar ramuka, da kuma ƙimar ramuka da kayan aikin da ke cikin sanyi.
Tsarin allurar rigakafi - lokaci-lokaci
Demolding shine kashi na ƙarshe na zagayowar daidaitaccen tsari. Kodayake samfurin ya kasance sanyi-saita, mawadyewa yana da tasiri mai mahimmanci akan ingancin samfurin. Rashin ƙarfi mai rauni na iya haifar da ƙarfin da ba a daidaita ba yayin ƙarfin hali da lalata samfurin yayin ƙin. Akwai manyan hanyoyi guda biyu na ƙuruciya: saman mashaya da kuma tsayayyen farantin jiki. A lokacin da ke zayyana m, ya kamata mu zabi hanyar da ya dace gwargwadon abubuwan da aka tsara na samfurin don tabbatar da ingancin samfurin.
Don molds tare da babban mashaya, ya kamata a saita saman mashaya kamar yadda zai yiwu, ya kamata a zaɓi matsayin juriya da kuma girman ikon sakin filastik don guje wa nakasassu da lalacewar ɓangaren filastik.
Ana amfani da farantin kayan masarufi don ƙwararrun zurfin-rami mai zurfi da kuma samfuran m abubuwa waɗanda ba su yarda da burodin turawa. Halayen wannan kayan aikin suna da ƙarfi da ƙarfin hali, motsi mai laushi kuma babu wasu fasahohin da ba a bayyane suke ba a baya.
