Mold yawanci yana da ɓangaren rami kawai kuma babu naushi.Gabaɗaya saman ƙurawar ba ya buƙatar taurare.Matsin bugun da rami ke ɗauka ya fi ƙanƙanta fiye da na gyaran allura, gabaɗaya 0.2 ~ 1.0MPG, kuma farashin yana da ƙasa.
Busa tsarin tsari zane
Mold kayan
Gabaɗaya, ana amfani da gawa na aluminum don masana'anta, kuma ana amfani da ƙarfe na beryllium jan ƙarfe ko ƙarfe tushe na ƙarfe don lalata kayan roba kamar PVC da POM.Don ƙirar ƙira tare da buƙatun rayuwar sabis mafi girma, kamar busa gyare-gyaren injiniyan robobi ABS, PC, POM, PS, PMMA, da dai sauransu, ana buƙatar bakin karfe don yin amfani da kayan kwalliya.
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Mabuɗin mahimmanci na ƙirar ƙira
Rarraba saman
Gabaɗaya, ya kamata a sanya shi a kan jirgin sama mai ƙima don rage ƙimar faɗaɗa busawa.Misali, don samfuran elliptical, farfajiyar rabuwa tana kan doguwar axis, kuma ga samfuran giant, yana wucewa ta tsakiyar layin.
Kogon saman
Kayan PE ya kamata ya zama dan kadan, kuma saman yashi mai kyau yana da kyau ga shayewa;Don busa gyare-gyaren wasu robobi (kamar ABS, PS, POM, PMMA, NYLON, da sauransu), gabaɗaya ba za a iya yin yashi ba, kuma ana iya yin ramin shaye-shaye a farfajiyar rami na mold, ko shaye. rami za a iya sanya a kan mold rami, da diamita na shaye rami a kan general mold rami φ 0.1 ~ φ 0.3, tsawon 0.5 ~ 1.5mm.
Girman rami
Ya kamata a yi la'akari da ƙimar raguwa na robobi a cikin ƙirar girman rami.Don cikakkun bayanai, da fatan za a koma zuwa yawan raguwar filastik gama gari.
Yanke gefen da wutsiya tsagi
Gabaɗaya, don busa gyare-gyaren filastik injiniyoyi da robobi masu ƙarfi, yankan gefen yakamata a yi shi da kayan da ke da juriya mai kyau, irin su jan ƙarfe na beryllium, bakin karfe, da sauransu. .
Ya kamata a zaɓi yanke yanke tare da girman ma'auni.Idan ya yi ƙanƙara, zai rage ƙarfin haɗin gwiwa.Idan ya yi girma da yawa, ba za a iya yanke shi ba kuma gefen ƙulli a farfajiyar rabuwa yana da girma.Duk da haka, an buɗe ƙwanƙwasa wutsiya a ƙasa da gefen yanke, kuma an tsara ƙwanƙarar wutsiya don zama kusurwar da aka haɗa.Lokacin yankan, za'a iya matsawa ƙananan narke cikin haɗin gwiwa, don haka inganta ƙarfin haɗin gwiwa.
Allurar busa mold
Zane ya bambanta da extrusion busa gyare-gyare.Babban bambanci shi ne cewa allurar busa mold baya buƙatar yanke gefen da tailing tsagi.Tsarin ɓoyayyen ɓoyayyen ɓangaren allura yana da matukar mahimmanci, wanda kai tsaye yana shafar ingancin samfurin da aka gama.
Injection mold - parison zane ka'idojin
1. Length, diamita da tsawo ≤ 10/1
2. Blowing fadada rabo 3/1 ~ 4/1 (rabo na samfurin size zuwa parison size)
3. Kaurin bango 2 ~ 5.0mm
4. Dangane da siffar samfurin, kauri na bango ya fi girma a inda rabon busawa ya fi girma, kuma ya fi girma inda raguwar busa ya kasance ƙananan.
5. Don kwantena elliptical tare da ellipse rabo mafi girma fiye da 2/1, za a tsara ainihin sanda a matsayin ellipse.Don samfuran elliptical tare da rabon ellipse ƙasa da 2/1, sandar core zagaye na iya samar da akwati na ellipse.
Ƙirar sanda mai hurawa
An ƙaddara tsarin sandar busa iska bisa ga tsarin ƙira da buƙatun samfur.Gabaɗaya, zaɓin kewayon ramin diamita na sandar shan iska shine:
L<1: aperture φ one point five
4> L>1: budewa φ shida maki biyar
200>L>4: budewa φ 12.5 (L: girma, naúrar: lita)
Matsin iska na gama-gari na busa filastik
Lokacin aikawa: Maris 22-2023