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 |
金属液浇入型壳后,要等待一段时间后才能脱壳清理。这段时间的长短一般以浇注后精密铸造配件所处温度的范围来衡量。一般情况下,碳钢铸件可在600~650℃温度进行脱壳清理,合金钢铸件一般应降到500℃以下,对结构复杂的合金钢铸件要降到200℃以下才能脱壳清理。脱壳过迟,又会使某些含碳量高的铸钢件产生较厚的脱碳层,严重地影响表面质量。
严格地说,铸造精密铸造件从浇注完毕到脱壳清理这段时间的选择,还要决定于铸件的材质、形状、尺寸大小及生产条件。对于结构复杂的合金钢铸件或易于产生变形、裂纹的铸件、其冷却时间应较长;而对于壁薄而尺寸又小的铸件,其冷却时间可以稍短。总的原则是,无论何种铸件,均应保证铸件的脱壳温度一定要低于该铸件合金的相变温度。
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
Swipe