Ka'idar yin gyare-gyaren gyare-gyaren simintin carbide da aka yi da siminti Akwai ramin ciyarwa a cikin ƙura, wanda aka haɗa da rufaffiyar ƙwayar ƙwayar ƙwayar cuta ta hanyar tsarin gating na ciki. Lokacin aiki, kuna buƙatar fara ƙara ƙaƙƙarfan kayan gyare-gyare a cikin kogon ciyarwa kuma ku zafi shi don canza shi zuwa yanayin kwararar ɗanƙoƙi. Sa'an nan kuma yi amfani da plunger na musamman don matsar da filastik narke a cikin rami na ciyarwa a cikin latsawa, don haka narke ya wuce ta cikin tsari. Tsarin zubowa yana shiga rufaffiyar ƙura kuma yana aiwatar da cika ruwa. Lokacin da narke ya cika ramin ƙira, kuma bayan riƙe da matsi mai dacewa da ƙarfafawa, ana iya buɗe ƙirar don cire samfurin. A halin yanzu, ana amfani da gyare-gyaren allura don samfuran filastik thermoset.
Idan aka kwatanta da matsawa gyare-gyare, cimined carbide mold allura gyare-gyaren ya plasticized filastik kafin shiga cikin rami, don haka gyare-gyaren sake zagayowar ne takaice, samar da ya dace ne high, filastik sassa da high girma daidaito, mai kyau surface quality, kuma babu walƙiya. Sirara sosai; zai iya ƙera sassan filastik tare da ƙananan abubuwan da aka saka, ramukan gefe mai zurfi da ƙarin hadaddun sassa na filastik; yana cinye ƙarin albarkatun ƙasa; yawan raguwar gyare-gyaren allura ya fi girman raguwar gyare-gyaren matsawa, wanda zai shafi daidaitattun sassa na filastik, amma ga foda Ƙaƙƙarfan filastik da aka cika da nau'i-nau'i suna da ɗan tasiri; tsarin simintin gyare-gyaren carbide na simintin ya fi rikitarwa fiye da gyare-gyaren gyare-gyare, matsa lamba ya fi girma, kuma aikin gyare-gyare ya fi wuya. Ana amfani da gyare-gyaren allura kawai lokacin da gyare-gyaren matsawa ba zai iya cika buƙatun samarwa ba. Yin gyare-gyaren allura ya dace da gyare-gyaren sassa na filastik thermosetting tare da sifofi masu rikitarwa da yawa.
Babban sigogi na tsari na ciminti carbide mold allura gyare-gyare sun hada da matsa lamba gyare-gyare, gyare-gyaren zafin jiki da gyare-gyaren sake zagayowar, da dai sauransu Duk suna da alaka da dalilai kamar filastik nau'in, mold tsarin, da samfurin yanayi.
(1) Matsi na gyare-gyare yana nufin matsin lamba da latsa ya yi akan narke a cikin ɗakin ciyarwa ta hanyar matsi ko plunger. Tun da akwai asarar matsa lamba lokacin da narke ya wuce ta tsarin gating, matsa lamba a lokacin allurar matsa lamba shine yawanci sau 2 zuwa 3 wanda yayin gyare-gyaren matsawa. A gyare-gyaren matsa lamba na phenolic filastik foda da amino filastik foda yawanci 50 ~ 80MPa, kuma mafi girma matsa lamba iya isa 100 ~ 200MPa; da robobi tare da fiber filler ne 80 ~ 160MPa; ƙananan marufi marufi irin su epoxy resin da silicone sune 2 ~ 10MPa.
(2) Yanayin zafin jiki na siminti carbide mold ya haɗa da zafin jiki na kayan a cikin ɗakin ciyarwa da zafin jiki na kansa. Don tabbatar da cewa kayan yana da ruwa mai kyau, kayan zafin jiki dole ne ya zama ƙasa da kyau fiye da yanayin haɗin giciye ta 10 ~ 20 ° C. Tun da filastik zai iya samun wani ɓangare na zafi mai jujjuyawa lokacin da ya wuce ta hanyar zubar da ruwa, zazzabi na ɗakin ciyarwa da ƙirar zai iya zama ƙasa. A mold zafin jiki na allura gyare-gyare ne yawanci 15 ~ 30 ℃ m fiye da cewa na matsawa gyare-gyaren, kullum 130 ~ 190 ℃.
(3) Zagayowar gyare-gyaren allura na simintin gyare-gyaren carbide ya haɗa da lokacin ciyarwa, lokacin cika ƙura, haɗa haɗin kai da lokacin warkewa, lokacin lalata don fitar da sassan filastik, da lokacin sharewar ƙura. Lokacin cikar gyaran allura yawanci shine 5 zuwa 50 seconds, yayin da lokacin warkewa ya dogara da nau'in filastik, girman, siffar, kauri na bango, yanayin zafin jiki da tsarin ƙirar filastik, kuma yawanci shine 30 zuwa 180 seconds. Yin gyare-gyaren allura yana buƙatar filastik ya sami ruwa mai yawa kafin ya kai ga zafin zafi, kuma bayan ya kai ga zafin jiki, dole ne ya sami saurin taurare. Abubuwan da aka fi amfani da su don gyaran allura sun haɗa da: phenolic robobi, melamine, resin epoxy da sauran robobi.
Lokacin aikawa: Satumba-18-2024
