Maganin alamar zance a cikin Injection Molding

Rage lahani shine na yau da kullun a kusa da ƙofar a cikin lahani na gyaran allura.Duk da haka, mutane da yawa sun rikice, sun kasa gane lahani ko yin kuskuren bincike.A yau, za mu yi bayani.
Ana siffanta shi da tsage-tsafe da ke haskakawa daga ƙofar zuwa kewaye, waɗanda suke da zurfi kuma gabaɗaya a bayyane.Bugu da ƙari, ba kullun ba ne, amma dalilin fashewa shine anisotropy na kayan aiki mai ƙarfi.
A lokacin allurar manne a ƙofar tsakiyar, ƙarfin kwararar madaidaiciya (ƙarfin ƙarfi) na kayan yana da girma, yayin da ƙarfin juzu'i (ƙarfin ƙarfi) yana ƙarami.Damuwar da ke haifar da raguwa za ta jawo samfurin zuwa karaya, kuma raguwa dole ne ya fara a mafi rauni, wato, yanki mai jujjuyawa na kayan kusa da ƙofar tare da mafi girman damuwa na ciki.

Lalacewar tsaga wani lahani ne mai tsananin gaske, wanda ba zai yuwu a wuce shi ba, don haka dole ne a warware shi.Manufar ita ce kamar haka:
1. Game da kayan aiki
Ƙaƙƙarfan kayan aiki shine babban dalilin maganganun maganganu, don haka lokacin da akwai dogon tsari na manyan samfurori, gwada kada ku zaɓi kayan da suke da tsayi sosai kuma suna da ƙananan elongation a lokacin hutu, kamar GPPS, AS, da dai sauransu.
A cikin kayan gama gari, tsari na rigidity daga rauni zuwa ƙarfi, da yiwuwar faruwar fashewar girgizar ƙasa daga ƙarami zuwa babba shine game da: PE=>TPU=>PP=>PC=>ABS=>PA=>PVC=>PET=>POM=>PMMA=>AS=>PS.
Gabaɗaya, kayan aiki tare da ƙungiyoyi masu sassauƙa na iya haɓaka ƙirar girgiza.Misali, kayan roba, SEBS, EVA, K kayan suna da amfani.
2. Game da m
Tsarin kofa naallura mshine mabuɗin.Gabaɗaya magana, a ƙarƙashin tsarin tare da babban damuwa na ciki da kuma kwararar tsari mai tsayi, ƙirar girgiza ƙofar yana da sauƙin faruwa.Sabili da haka, don manyan samfurori, yana da sauƙi don ɗaukar nau'i na ƙofofi da yawa da ƙofofi masu fadi don rage juriya na ciyar da roba da sauƙaƙe kwarara.
Gabaɗaya magana, ƙofar batu yana da sauƙin bayyana layukan girgiza.Ƙofar gefe, ƙofar fanka da ƙofar cinya kaɗan kaɗan ne.Amma sauran ƙofofin, kamar ƙofar da ke ƙarƙashin ruwa da ƙofar diaphragm, ba za a yi amfani da su a cikin irin wannan tsarin ba.Domin galibin samfuran da ke da layukan jijjiga samfurori ne na zahiri, kuma babu buƙatar amfani da tashoshin ruwa ko tashar jiragen ruwa na diaphragm.
3. Game da sigogi: ma'auni na sigogi don warware alamar taɗi shine:
①Sannan saurin harbi da ƙarancin harbi
②Gajeren lokacin riƙe matsi
③ Dole ne zafin jiki ya zama babba, kamar kayan PS.Za a iya saita zafin jiki na mold zuwa digiri 60.
4. Takaitawa
Rushewa wani lahani ne na gama gari a cikin samar da samfuran gaskiya da aka yi da kayan GPPS.Idan ba mu kula da hanyoyin magani ba, fiye da 50% na lahani ko duka na iya zama mara kyau.Sai kawai ta hanyar ƙware hanyoyin da ke sama za mu iya kawar da lahani kuma mu tabbatar da samar da kwanciyar hankali da inganci.