A matsayin tsarin yin ginshiƙi na gargajiya, tsarin yashi mai rufi har yanzu yana da matsayi mai mahimmanci wajen samar da simintin gyaran kafa.Ko da yake furotin core yin tsari, da sanyin core yin tsari da sauran matakai na ci gaba da yin amfani da su, har yanzu ana amfani da tsarin samar da shi a masana'antar simintin gyare-gyare daban-daban saboda kyakkyawan yanayin ruwa, ƙarfin ƙarfi da kwanciyar hankali, da kuma tsawon lokacin ajiya.Har yanzu yana da wahala a maye gurbinsu a wasu masana'antu kamar sassan ruwa mai ƙarfi, harsashi na turbine da sauran manyan masana'antar simintin ƙarfe.
Halaye:
aikin ƙarfin da ya dace;ruwa mai kyau, gyaggyaran yashi da yashi da aka samar suna da madaidaicin kwantena da tsari mai yawa, kuma suna iya samar da hadadden yashi;ingancin saman yashi mold (core) yana da kyau, daɗaɗɗen yanayin zai iya kaiwa Ra = 6.3 ~ 12.5μm, kuma daidaitattun daidaito na iya isa matakin CT7 ~ CT9;mai kyau tarwatsewa, kuma simintin gyare-gyare yana da sauƙin tsaftacewa.
Iyakar aikace-aikace
Ana iya amfani da shi don yin gyare-gyaren simintin gyare-gyare da kuma yashi.Za'a iya amfani da gyare-gyare ko murhu tare da juna ko tare da wasu nau'in yashi (cores);za a iya amfani da shi ba kawai don simintin nauyi na ƙarfe ba ko ƙananan simintin gyare-gyare, amma har ma don simintin yashi na ƙarfe da simintin centrifugal mai zafi;ana iya amfani dashi ba kawai don samar da simintin simintin gyare-gyare da simintin ƙarfe ba, har ma don samar da simintin ƙarfe.
abun da ke ciki
Gabaɗaya sun ƙunshi kayan haɓaka, masu ɗaure, masu warkarwa, masu mai da ƙari na musamman.
(1) Abubuwan da ake sanyawa su ne manyan abubuwan da ke cikin sa.Abubuwan da ake buƙata don kayan haɓakawa sune: high refractoriness, low volatiles, in mun gwada da zagaye barbashi, m, da dai sauransu Natural scrubbed silica yashi ne kullum amfani.Abubuwan buƙatun don yashi silica sune: babban abun ciki na SiO2 (simintin simintin ƙarfe da simintin simintin ƙarfe ba tare da ƙarfe ba yana buƙatar fiye da 90%, kuma sassan simintin ƙarfe suna buƙatar fiye da 97%);abun ciki na laka bai wuce 0.3% ba (don yashi da aka goge) - [abincin yashin da aka wanke bai kai ba;an rarraba girman barbashi ① akan lambobi 3 zuwa 5 na kusa;siffar barbashi yana zagaye, kuma ma'aunin angular kada ya zama mafi girma fiye da 1.3;ƙimar amfani da acid ba ƙasa da 5ml ba.
(2) Ana amfani da resin phenolic gabaɗaya azaman ɗaure.
(3) Hexamethylenetetramine yawanci ana amfani dashi azaman wakili na warkewa;Ana amfani da calcium stearate gabaɗaya azaman mai mai, wanda ake amfani dashi don hana haɓakawa da haɓaka ruwa.Babban aikin ƙari shine inganta aikin yashi mai rufi.
(4) Matsakaicin Matsakaicin Matsakaicin Mahimmanci (jari mai yawa, %) Bayani: Raw yashi 100 Yashi mai gogewa, Resin Phenolic 1.0-3.0 (nauyin ɗanyen yashi), Hexamethylenetetramine (maganin ruwa 2) 10-15 (nauyin guduro), Calcium stearate 5-7 (nauyin guduro), Additives 0.1-0.5 (nauyin danyen yashi).1:2) 10-15 (nauyin guduro), Calcium stearate 5-7 (nauyin guduro), Additives 0.1-0.5 (nauyin danyen yashi).
Tsarin samarwa
Tsarin shirye-shiryen yafi ya haɗa da murfin sanyi, sutura mai dumi da zafi mai zafi.A halin yanzu, samarwa kusan duk yana ɗaukar rufin zafi.The zafi shafi tsari ne don zafi da danyen yashi zuwa wani zafin jiki, sa'an nan Mix da dama da guduro, urotropine ruwa bayani da kuma alli stearate bi da bi, sa'an nan sanyi, murkushe da allo.Saboda bambanci a cikin dabara, tsarin hadawa ya bambanta.A halin yanzu, akwai nau'ikan layukan samarwa da yawa a kasar Sin.Akwai kusan 2000 ~ 2300 Semi-atomatik samar Lines tare da manual ciyar, kuma akwai kusan 50 kwamfuta-sarrafawa da cikakken atomatik samar Lines, wanda yadda ya kamata inganta samar da inganci da samfurin kwanciyar hankali.Misali, layin samar da gani mai sarrafa kansa na xx Casting Co., Ltd. yana da daidaiton sarrafa lokacin ciyarwa na 0.1 seconds, daidaiton kula da zafin jiki na dumama na 1/10 ℃, kuma ana iya lura da yanayin yashi a kowane lokaci ta hanyar bidiyo. , tare da ingantaccen samarwa na 6 ton / hour.
Amfanin tsari
Kyakkyawan ruwa
An lulluɓe shi da ƙaƙƙarfan guduro kuma yana bayyana kamar busasshen yashi.Kyakkyawan ruwa shine babbar fa'idarsa, wanda ya dace musamman ga hadaddun da ƙananan yashi.
Kyakkyawan ingancin saman yashi core
An haɗa shi ta hanyar fashewar fashewar, kuma saman ginshiƙi na yashi yana da yawa kuma yana da santsi, wanda zai iya inganta yanayin aikin simintin.
Ƙananan farashin harsashi core yin
Yana da babban wurin narkewa kuma ana iya amfani dashi don yin harsashi, tare da ƙarancin amfani da yashi, ƙarancin farashi da mafi kyawun iska.
Babban ƙarfi da kwanciyar hankali na thermal
ta yin amfani da resin phenolic thermoplastic, yana da babban ƙarfi da kwanciyar hankali na thermal, wanda ke ba shi fa'idodi na musamman a cikin aikace-aikacen wasu lokacin farin ciki da manyan sassa.
Dogon ajiyar lokaci na yashi core
Alkaline phenolic resin da aka yi amfani da shi a cikin yashi mai rufi shine hydrophobic, ginshiƙan yashi yana da juriya mai kyau, babu buƙatu na musamman don yanayin ajiya, kuma babu wani raguwa mai mahimmanci a cikin ƙarfin bayan ajiya na dogon lokaci.
Faɗin aikace-aikacen
Rufin yashi mai rufi ya dace da tsarin simintin gyare-gyare na duk kayan ƙarfe.
If you want to know more about shell mold casting process, pls feel free to contact lydia@welongchina.com.
Lokacin aikawa: Juni-13-2024
