TEL：+86-13567841157
+86-15771805138
+86-18958238181
E-mail：zhiye@zy-casting.com
ycn@zy-casting.com
santos@zy-casting.com
Website：www.zy-casting.com
Address: Xiachen Industrial Zone, ChunhuTown, Fenghua District, Ningbo CityZhejiang Province，China-315538
Process | Silica sol Casting (Green Wax) |
Mold | General Aluminum Mold & Steel Mold |
Mould Materia | Silica sol, Mullite Sand, Zircon Sand |
Mould Shell | Fireproof Coating |
Technology Characteristics | ISuitable for producing small parts. Better precision. Better surface roughness. Can large extent reduce machining. |
Tolerance Range | CT5 to CT6 |
Single Weight | 0.01kgs to 30kgs |
Surface Roughness | RA6.3 |
Casting Material Type | Carbon Steel, Alloy Steel, Stainless Steel, Ductile Iron. |
Common Material Specification | GB, ASTM,SAE,AISI,DIN,BS,JIS,NF,EN,AAR,ISO |
Product application field | Automobile, Engineering Machinery, Railway, Marine, AgriculturalMachinery, Mining and other industrial fields |
脱碳，是铸件在加热和保温过程中受周围气氛（如氧、水蒸气和二氧化碳）的作用，其表面层中的碳含量全部或部分丧失的现象。也就是说，铸件的氧化脱碳主要是合金元素的物理扩散与气体介质相互反应所造成的。熔模铸件因通常采用热壳浇注，硅溶胶精密铸造配件在高温环境中的停留时间较长，氧化脱碳就更加容易。一般地说，铸件表面脱碳层厚度与铸件壁厚成正比。
硅溶胶精密铸造供应商防止脱碳的措施是：浇注时降低型壳和金属液的温度，加快铸件的冷却速度在铸件的周围造成保护性气氛；也可在热处理过程中采用保护性气氛。
对于脱碳层深度超过技术规定的铸件，可以采取复碳处理的挽救措施。铸件复碳处理的关键是加热温度和炉内气氛的控制。
Contact information：+86-13567841157
+86-15771805138
E-mail：zhiye@zy-casting.com
ycn@zy-casting.com
Website：www.zy-casting.com
Address: Xiachen Industrial Zone, ChunhuTown, Fenghua District, Ningbo CityZhejiang Province，China-315538
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