Mwambo Wopangidwa ndi Malleable Cast Iron Shell Casting Product

Zoponyera zitsulo zosungunuka nthawi zambiri zimaponyedwakuponya mchenga wobiriwirakapena mchenga wokutidwa ndi utomonichipolopolo nkhungu kuponyerandondomeko pa RMC casting foundry.

Ma iron irons ndi ma aloyi achitsulo omwe amakhala ndi mpweya wopitilira 2%. Ngakhale zitsulo zotayidwa zimatha kukhala ndi mpweya wapakati pa 2 mpaka 6.67, malire enieni amakhala pakati pa 2 ndi 4%. Izi ndi zofunika makamaka chifukwa cha makhalidwe awo abwino oponya. Zitsulo zotayira zotuwa, zitsulo zotayira (zomwe zimatchedwanso chitsulo cha nodular cast kapena spheroidal graphite iron) ndi chitsulo chosungunula chonyezimira ndizitsulo zitatu zazikuluzikulu zopangira zida.

Chitsulo chosungunuka chimakhala ndi mpweya waulere womwe umapezeka ngati tinthu tating'onoting'ono m'matrix a simenti ndi ferrite. Izi zimatheka poyambitsa kuzizira kuponya kotero kuti zitsulo zonse zoyera zimapangidwira, ndikutsatiridwa ndi njira yoyendetsera kutentha kwa kutentha kotero kuti ena mwa simenti amasandulika kukhala ferrite ndi ma nodule a carbon free. Zinthuzi zimakhala ndi ductile kuposa chitsulo chotuwa. Izimawonekedwe ndi oyenera kokha zigawo zikuluzikulu ndi gawo laling'ono makulidwe popeza onse woyera kuponyedwa chitsulo ndi kupanga poyambira chitsulo chosungunula.

Kuponyedwa kwa chipolopolo cha chipolopolo ndi njira yomwe mchenga wosakanikirana ndi thermosetting resin umaloledwa kuti ugwirizane ndi mbale yotentha yachitsulo yachitsulo, kotero kuti chipolopolo chopyapyala ndi cholimba cha nkhungu chimapangidwa mozungulira pattem. Kenako chipolopolocho chimachotsedwa pachitsanzocho ndipo cope ndi kukoka zimachotsedwa palimodzi ndikusungidwa mu botolo ndi zinthu zofunika kumbuyo ndipo chitsulo chosungunuka chimatsanuliridwa mu nkhungu.

Nthawi zambiri, mchenga wouma komanso wabwino (90 mpaka 140 GFN) wopanda dongo umagwiritsidwa ntchito pokonzekera mchenga woumba chipolopolo. Kukula kwa njere komwe kumayenera kusankhidwa kumadalira kumapeto komwe kumafunidwa pakuponyedwa. Kukula bwino kwa njere kumafuna utomoni wambiri, zomwe zimapangitsa nkhungu kukhala yokwera mtengo.

Ubwino wa Resin Coated Sand Shell Mold Mold Casting:
1. Zojambula za nkhungu za zipolopolo nthawi zambiri zimakhala zolondola kwambiri kuposa mchenga. N'zotheka kupeza kulolerana kwa +0,25 mm kwa castings zitsulo ndi +0. 35 mm kwa imvi kuponyedwa chitsulo castings pansi yachibadwa ntchito. Pankhani ya nkhungu zololera bwino za chipolopolo, munthu atha kuzipeza mumtundu wa +0.03 mpaka +0.13 mm pazogwiritsa ntchito zina.
2. Malo osalala amatha kupezeka muzojambula za zipolopolo. Izi zimatheka makamaka ndi njere zocheperako zomwe zimagwiritsidwa ntchito. Mtundu wamtundu wa roughness ndi wa dongosolo la 3 mpaka 6 microns.
3. Ma angles okonzekera, omwe ali otsika kusiyana ndi mchenga, amafunikira mu nkhungu za zipolopolo. Kuchepetsa kwa ma angles okonzekera kungakhale kuchokera ku 50 mpaka 75%, zomwe zimapulumutsa kwambiri ndalama zakuthupi ndi ndalama zotsatila.
4. Nthawi zina, ma cores apadera amatha kuchotsedwa popanga zipolopolo. Popeza mchenga uli ndi mphamvu zambiri nkhungu imatha kupangidwa m'njira yoti zibowo zamkati zitha kupangidwa molunjika ndi kufunikira kwa zipolopolo.
5. Komanso, zigawo zoonda kwambiri (mpaka 0.25 mm) zamtundu wa mitu ya silinda yoziziritsidwa ndi mpweya zimatha kupangidwa mosavuta ndi chipolopolo cha chipolopolo chifukwa cha mphamvu yapamwamba ya mchenga yomwe imagwiritsidwa ntchito popanga.
6. Permeability wa chipolopolo ndi mkulu choncho palibe gasi inclusions zimachitika.
7. Mchenga wochepa kwambiri uyenera kugwiritsidwa ntchito.
8. Makina amatheka mosavuta chifukwa cha njira yosavuta yopangira zipolopolo.