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Green Sand Castings yog castings uas siv cov xuab zeb ntub los yog "ntsuab ntsuab" pwm.Cov xuab zeb tsis yog xim ntsuab los yog cov pwm siv "greensand," xim ntsuab sandstone.Hloov cov xuab zeb yog hu ua "ntsuab" vim tias nws muaj dej noo nyob rau hauv nws (xws li ntoo ntsuab) ua ntej cov xuab zeb dries tawm thaum molten hlau yog poured rau hauv pwm.
Dab tsi ua rau cov xuab zeb ntub dej thiab pab cov xuab zeb ua ke thaum ua pwm yog cov av nplaum uas sib xyaw hauv cov xuab zeb.Bentonite av nplaum thiab cov xuab zeb sib xyaw ua ke muab cov pwm muaj zog uas tuaj yeem tsim los ntawm cov kab sib dhos tsis siv neeg.
Sintered ceramic foundry xuab zeb yog tsim los ntawm cov zaub mov uas muaj Al2O3 thiab SiO2 thiab ntxiv nrog lwm cov khoom siv ntxhia.Spherical foundry xuab zeb ua los ntawm hmoov, pelletizing, sintering thiab grading txheej txheem.Nws cov qauv siv lead ua tseem ceeb yog Mullite thiab Corundum, nrog cov duab zoo sib xws, muaj zog refractoriness, zoo thermochemical stability, tsis tshua muaj thermal expansion, cuam tshuam thiab abrasion tsis kam, muaj zog fragmentation.Thaum cov xuab zeb ceramic siv rau hauv cov txheej txheem xuab zeb ntsuab, nws tuaj yeem ua rau cov xuab zeb nyoos rov siv dua, txo cov xuab zeb pov tseg, txhim kho cov khoom pov tseg.
● Super kub tsis kam thiab breathability zoo heev ua rau lub siab txhua yam reclamation tus nqi ntawm cov xuab zeb, txo cov xuab zeb emissions.
● Siab permeability.Qhov permeability ntawm cov xuab zeb ntsuab sib xyaw los ntawm sintered ceramic casting xuab zeb yog siab dua qhov sib xyaw ntawm quartz xuab zeb nyob rau hauv tib txoj kev.
Lub particle loj tis tuaj yeem kho raws li koj xav tau.
Mesh | 20 | 30 | 40 | 50 | 70 | 100 | 140 | 200 | 270 | Pan | AFS | |
ib m | 850 | 600 | 425 | 300 | 212 | 150 | 106 | 75 | 53 | Pan | ||
code | 40/70 ib | ≤ 5 | 20-30 | 40-50 | 15-25 | ≤ 8 | ≤1 | 43 ± 3 | ||||
70/40 ib | ≤ 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 ib | ≤ 5 | 25-35 | 35-50 | 8-15 | ≤ 5 | ≤1 | 65 ± 4 |