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Aluminum -alloy-390-casting


Alloy 390 was specifically designed for use in applications where durability, power management and/or harsh operating environments are a concern.
We have more than 10years experience in this field. We have our own R&D team, own tooling factory, which make us competitive enough for any OEM project for customers. also C&N provide Customized design by Pro-E, AutoCAD, Solidworks, ANSYS ASME VIII.

Machining Equipment

Machining Center , CNC Lathes , Grinding Machines, Milling Machines, Lathes / Wire-cuts , Laser Cuts / CNC Shearing Machines,CNC Bending Machines etc.

Common procedure£ºDrawing analyze,Die casting, Deburring, Drilling holes, Tapping, CNC Machining and Assembly


Surface Finish:

Chrome plating, sandblasting, painting, anodizing, powder coating, electrophoresis

 

Manufacture Process

1) Mould/Tooling analysis, design & manufacturing
2) Mould/Tooling testing & confirm the sample
3) Die-casting rough parts
4) Precision machining: CNC lathes, milling, drilling, grinding etc
5) Surface treatment: Trimming, polishing, cleaning, passivation & power coating
6) Full Inspection

 

Aluminium standard(http://www.astm.org)
ASTM B210,B234,B241,B247,B361.EN754,EN603,EN12392
ASTM B85 Standard Specification for Aluminum-Alloy Die Castings
B179 Specification for Aluminum Alloys in Ingot and Molten Forms for Castings from All Casting Processes
B275 Practice for Codification of Certain Nonferrous Metals and Alloys, Cast and Wrought
B557 Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products
B557M Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products (Metric)
B660 Practices for Packaging/Packing of Aluminum and Magnesium Products
B881 Terminology Relating to Aluminum- and Magnesium-Alloy Products
D3951 Practice for Commercial Packaging
E8/E8M Test Methods for Tension Testing of Metallic Materials
E23 Test Methods for Notched Bar Impact Testing of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E34 Test Methods for Chemical Analysis of Aluminum and Aluminum-Base Alloys
E505 Reference Radiographs for Inspection of Aluminum and Magnesium Die Castings
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E607 Test Method for Atomic Emission Spectrometric Analysis Aluminum Alloys by the Point to Plane Technique Nitrogen Atmosphere
E716 Practices for Sampling and Sample Preparation of Aluminum and Aluminum Alloys for Determination of Chemical Composition by Spectrochemical Analysis
E1251 Test Method for Analysis of Aluminum and Aluminum Alloys by Spark Atomic Emission Spectrometry
ANSI Standard

Material
Aluminum alloy 319,356,535,413,383,A360, A380, A383, AlSi10Mg, ADC10, ADC12, ZL104, ZL107

 

Castings http://www.aluminum.org/industries/processing/castings

Take-Away Facts
Casting must include a part-removal design
Casting molds must be designed to accommodate each stage of the process. For part removal, a slight taper (known as draft) must be used on surfaces perpendicular to the parting line so the pattern can be removed from the mold.
Casting parts with cavities
To produce cavities within castings (such as for engine blocks and cylinder heads used in cars), negative forms are used to make cores. Casts of this nature are usually produced in sand molds. Cores are inserted into the casting box after the pattern is removed.
Casting for light weight and strength
Aluminum¡¯s properties of light weight and strength bring fundamental advantages when cast into parts. One common application of die cast aluminum is thin-walled enclosures with ribs and bosses on the interior to maximize strength.
Casting in the early history of aluminum
The first commercial aluminum products were castings such as decorative parts and cookware. Though produced through a centuries-old process, these products were considered new and unique.
Aluminum Casting 101
The process of casting aluminum

Casting is the original and most widely used method of forming aluminum into products. Technical advances have been made, but the principle remains the same: Molten aluminum is poured into a mold to duplicate a desired pattern. The three most important methods are die casting, permanent mold casting and sand casting.
Die casting

The die casting process forces molten aluminum into a steel die (mold) under pressure. This manufacturing technique is normally used for high-volume production. Precisely formed aluminum parts requiring a minimum of machining and finishing can be produced through this casting method.
Permanent mold casting

Permanent mold casting involves molds and cores of steel or other metal. Molten aluminum is usually poured into the mold, although a vacuum is sometimes applied. Permanent mold castings can be made stronger than either die or sand castings. Semi-permanent mold casting techniques are used when permanent cores would be impossible to remove from the finished part.
Sand casting

The most versatile method for producing aluminum products is sand casting. The process starts with a pattern that is a replica of the finished casting. Virtually any pattern can be pressed into a fine sand mixture to form the mold into which the aluminum is poured. The pattern is slightly larger than the part to be made, to allow for aluminum shrinkage during solidification and cooling. As compared to die and permanent mold casting, sand casting is slow process but usually more economical for small quantities, intricate designs or when a very large casting is required.
Casting Applications
Widespread use in the automotive industry and homes

The automotive industry is the largest market for aluminum casting. Cast products make up more than half of the aluminum used in cars. Cast aluminum transmission housings and pistons have been commonly used in cars and trucks since the early 1900s. Parts of small appliances, hand tools, lawnmowers and other machinery are produced from thousands of different unique aluminum casting shapes. The casting product most often used by consumers is cookware, the first aluminum product that was made available for everyday use
- See more at: http://www.aluminum.org/industries/processing/castings#sthash.odiZc08f.dpuf



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