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 |
铸件变形就是浇注出来的铸件形状与图纸不符。如圆形铸件变成椭圆；箱形硅溶胶精密铸造配件变得互相垂直的壁达不到要求；板状、条状件多变得挠曲、扭曲，平直度不合格；多孔铸件变得同心度和相互位置不合格。
铸件变形的原因可能是铸件壁厚不均匀，结构不合理，浇注系统设置不当。铸件变形可由熔模变形、型壳变形、铸件收缩应力、脱壳清理与切割浇口时的机械损伤以及热处理过程中的变形等因素的影响而引起。
那么，要防止硅溶胶精密铸造件变形首先就应当改善铸件结构和工艺性，减小收缩应力，对易变形部位，可增加强筋、工艺筋，并注意使熔模及型壳不变形。此外，还要注意不要直接锤击铸件；切除浇口时不要夹持铸件而应夹持直浇道或浇口杯；铸件在热处理时，应整齐平放，出炉和进炉时小心摆放，并选择合理的热处理类型及工艺。
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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