Ceramic casting sand for sand 3d printing Featured Image

Kumê zêrîn ji bo avêtina avêtina sandê

Kurte Danasîn:

Foundry Sand Seramîk, ku bi teknîkî wekî "Sintered Sand Seramîk ji bo Foundry" tê binav kirin, wekî ceramsite, ceramcast, heman bi cerabeads re, navê hin welatan jî Zêrîn Sand e, şeklê genimê sferîkî yê çêkirî yê baş e ku ji boksîta kalsînkirî tê çêkirin. Naveroka wê ya sereke oksîdê aluminium û oksîdê silicon e. Qûma seramîk, xwedan taybetmendiyên pir çêtir e ji ya qûma silica ku di daristanê de performansek çêtir bi dest bixe. Ew xwedan nerazîbûna bilind, berfirehbûna germî ya hindik, hevrêziya goşeyî ya baş, herikîna hêja, Berxwedana bilind a li ber xişandin, perçiqandin û şoka termal, rêjeya vejenê ya bilind heye.

E-nameyê ji me re bişînin

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Foundry Ceramic Sand, technically named as “Sintered Ceramic Sand for Foundry”, also named as ceramsite, cerabeads, ceramcast, some countries is also named Golden Sand, is good artificial spherical grain shape which is made from calcined bauxite . Its main content is aluminum oxide and Silicon oxide. Ceramic sand, has much better properties than that of silica sand to gain a better performance in foundry. It has high refractoriness, little thermal expansion, good angular coefficient, excellent flowability, High resistance to wear, crush and thermal shock, high reclamation rate.

Taybetmendiya Sand Seramîk

Beşa Kîmyewî ya sereke	Al₂O₃≥53%, Fe₂O₃＜4%, TiO₂＜3%, SiO₂≤37%
Grain Shape	Spherical
Angular Coefficient	≤1.1
Mezinahiya Partî	45μm -2000μm
Refractoriness	≥1800℃
Density Bulk	1,5-1,6 g/cm3
Berfirehkirina Termal (RT-1200℃)	4,5-6,5x10-6/k
Reng	Qûm
PH	6.6-7.3
Pêkhatina Mineralogical	Nerm + Korund
Mesrefa Acid	＜1 ml/50g
LOI	＜0.1%

Berjewendî

Kaist ceramic foundry sand is about half as light as zircon and chromite, is about third as light as fused ceramic sand. Compared to these natural sand and other foundry media (the material is able to turn out about twice the number of molds per unit weight). Kaist ceramic foundry sand can deliver mold and core packages with a range of benefits that include higher-strength sand casting packages, with high heat resistance, low thermal expansion, improved final part resolution and a smoother surface finish. It can also be handled very easily, saving labor and transfer power costs. However, the manufacturer recommends paying attention to the amount of binder addition.

Bikaranînî

Wekî materyalek bêalî, sandê seramîk KAIST ji bo tîrêjên asîd û alkali tê sepandin.

Ew dikare bi berfirehî ji bo avêtina hesin avêtin, pola avêtinê û metalên neferrous, wek avêtina kefek winda, xweya pêçandî, xweya rezîn, qutiya bingehîn a sar, avêtina rast, û çapkirina 3D were bikar anîn.

Golden-sand-for-sand-molding-castings-(6)

Bikaranînî

Golden-sand-for-sand-molding-castings-(3)

Pakkirin û radestkirin

Golden-sand-for-sand-molding-castings-(4)

Pakkirin û radestkirin

Parçeyên Belavkirina Mezinahiya Parçeyan

Dabeşkirina mezinahiya perçeyê dikare li gorî hewcedariya we were xweş kirin.

Mesh		20	30	40	50	70	100	140	200	270	Tawe	AFS
μm		850	600	425	300	212	150	106	75	53	Tawe
Navê dizî	20/40	15-40	30-55	15-35	≤5							20±5
	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
	140/70				≤5	15-35	35-50	20-25	≤8	≤2		70±5
	100/200					≤10	20-35	35-50	15-20	≤10	≤2	110±5