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Ningbo Zhiye Machinery Parts Co., Ltd

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

Mold Accessories-ZY-35

Mold Accessories-ZY-35

  • Material: 304
    Process: silica sol process
    Weight: 0.086KG
    Application field: mold accessories
    Surface treatment: pickling and passivation
  • QR code:
  • Product description

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

所谓“橘皮”即大型精密铸造件表面有许多凹入条状纹路及块状的凸出物,它们相互交又构成凹凸不平的表面缺陷,形似橘子皮而得名。产生的原因是在制壳过程中,熔模的大凹面处容易造成表面层涂料的堆积,当未经充分自然干燥就立即进行硬化时,硅胶急剧收缩而在内表面形成皱皮;同时在面层涂料与熔模之间常因盐类和水分浓集现象,导致硬化不良,这样,脱蜡后型壳内表面松散并出现凸起、条状纹路和块状的凹坑,即橘皮状。

防止措施:表面层涂挂后经一定时间自然干燥,再进行硬化、风干。必要时,改进铸造精密铸造件结构,避免大凹面。此外,还可改进涂料制壳方法,避免凹面处的涂料堆积。

不锈钢精密铸造工艺

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Ningbo Zhiye Machinery Parts Co., Ltd

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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