Ceramic jecha reNo Bake Sand Casting

Ceramic sand yeNo-bake sand casting chimiro chedenderedzwa chine coefficient yakaderera.Huwandu hwe resin binder hunodiwa hushoma nekushandisa jecha receramic.Iyo bhora chimiro chejecha receramic inoita mvura yakanaka, iri nyore kumuchina wekupfura wepakati kupfura jecha.Cerasand ine zvivakwa zviri nani kupfuura jecha reQuartz mune foundry.Iyo ine yakakwira refractoriness, kudiki kwekuwedzera kwemafuta, yakanaka angular coefficient, yakanakisa kuyerera, Kunyanya kuramba kupfeka, kupwanya uye kupisa kwekushisa, yakakwira reclamation rate.

Advantage

● Kuyerera kwakanaka uye yakaderera angularity coefficient nekuda kwebhora chimiro checeramic jecha.Paunenge uchishanda ne-core shooter, jecha riri nyore kuenda kumakona maduku.Nokudaro, ichawana nzvimbo yakatsetseka yekukanda.

● Mazhinji emakemikari ejecha receramic ndeyeAl2O3 uye SiO2.Iyo ine yakakwira anti-thermal kugona kusvika 1800 ℃.Mujecha hamuna asidhi kana alkali.Saka hazvizowane mhinduro neresin kana simbi yakanyungudutswa.Icho chimiro chinogona kuvandudza kunaka kwepamusoro kwekukanda.

● The particle size distribution is controlled by sieving process.Ceramic jecha is artificial foundry jecha, saka isu taigona kudzora kugoverwa kwesaizi yezvikamu kune zvinodiwa nevatengi.Uye kune faindi shoma mujecha.

● High reclamation rate.Zvese zviri zviviri Thermal uye mechanical reclamation.Inopa hupenyu hurefu hwebasa uye kuderedza kushandiswa kwejecha.

● High collapsibility.Sintered Ceramic sand spherical shape kana ichienzaniswa neangular shaped tsanga inobvumira kupatsanurwa kuri nyore kubva kunhengo dzakakandwa uye nekunatsiridza kudonha kunokonzeresa kuderera kwezvimedu uye kugona kukanda.

● Lower Thermal kuwedzera uye Thermal Conductivity.Zviyero zvekukanda zvakanyanya uye yakaderera conductivity inopa zvirinani mold kuita.

● Kuderera kwehuwandu hwakawanda.Sejecha receramic rekugadzira rinenge hafu yekureruka sejecha receramic rakasanganiswa (jecha dema rebhora), zircon uye chromite, rinogona kubuda zvakapetwa kaviri nhamba yezviumbwa pahuremu hweyuniti.Inogona zvakare kubatwa zviri nyore, kuchengetedza vashandi uye kutamisa simba mari.Nekudaro, kutariswa kunofanirwa kupihwa kune huwandu hwekuwedzera binder.

● Inoda 30-50% shoma resin pane silica jecha kana jecha requartz.

● Matanda anonamira zvishoma kana kuti asina.

● Inogona kushandiswa sejecha rimwe chete.

● Kugovera kwakagadzikana.Kwegore kugona 200,000 MT kuchengetedza kukurumidza uye kugadzikana kwekupa.

Zvikamu zveParticle size Distribution

Iyo particle size yekugovera inogona kugadzirwa zvinoenderana nezvaunoda.

Mesh

20 30 40 50 70 100 140 200 270 Pan AFS

μm

850 600 425 300 212 150 106 75 53 Pan  
Code 30/50 ≤1 25-35 35-50 15-25 ≤10 ≤1         30±5
40/70   ≤5 20-30 40-50 15-25 ≤8 ≤1       43±3
70/40   ≤5 15-25 40-50 20-30 ≤10 ≤2       46±3
50/100     ≤5 25-35 35-50 15-25 ≤6 ≤1     50±3
100/50     ≤5 15-25 35-50 25-35 ≤10 ≤1     55±3
70/140       ≤5 25-35 35-50 8-15 ≤5 ≤1   65±4

Application

● Shanda nemafuta akadai sechoto, Alkaline-phenolic, girazi remvura.

● High alloy cast iron uye carbon steel.

● Low carbon steel uye Stainless steel valve parts.

● Simbi isina tsvina, manganese simbi, high chromium cast iron.

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Nguva yekutumira: Zvita-30-2021