Customized Design Drawing Sand Casting/ Gravity Casting / Low Pressure Casting &CNC Machining Aluminum Parts
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| Customization: | Available |
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| Application: | Auto Parts |
| Machining: | CNC Machining |
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Basic Info.
- Model NO.
- AIKEHAN
- Material
- Aluminum Alloy
- Surface Treatment
- Deburring
- Design
- 3D
- Casting Tolerance
- +/-0.5mm
- Material Inspection Report
- Material Inspection Report
- Dimension Report
- Dimension Report
- Standard
- JIS
- Certification
- CE, RoHS, ISO 9001:2000, ISO 9001:2008
- Prodcut Name
- Aluminum Gravity Casting Parts
- Casting Method
- Low Precision Casting
- Main Material
- A356-T6
- Drawings
- 2D&3D
- Transport Package
- Pallet
- Specification
- customzied size
- Trademark
- AIKEHAN
- Origin
- China
- HS Code
- 7616999000
- Production Capacity
- 30000PCS/Month
Packaging & Delivery
- Package Size
- 45.00cm * 30.00cm * 30.00cm
- Package Gross Weight
- 5.000kg
Product Description
Customized Design Drawing Sand Casting/ Gravity Casting / Low Pressure Casting &CNC Machining Aluminum Parts
| Materila: | A356-T6 |
| Process: | gravity casting |
| Surface treatment: | Powder coating/paiting/Oxidation..... |
| Package: | 1pc packed into poly bag,then packed into wooden case or customized |
| Application: | Auto parts |
| Drawings: | 2D&3D drawings |
| Certification: | IATF16949/ISO9001 |
| Sample time: | within 7 days |
What is Gravity Die Casting?
Gravity Die Casting is a permanent mould casting process, where the molten metal is poured from a vessel or ladle into the mould. The mould cavity fills with no force other than gravity, filling can be controlled by tilting the die. Undercuts, and cavities can be incorporated into the component form with the use of sand cores. This process gives a better surface finish than sand casting as well as better mechanical properties, both due to rapid solidification.
Additionally, this process has a higher casting rate than aluminium sand casting, however, the metal moulds are a higher cost than sand. Advantages of this process include the possibility of low gas porosity, and fine grain sizes can be achieved.
Compared to sand casting, this process requires less finishing and fettling and gravity die casting tends to produce a higher quality product. The Gravity die casting production method is generally less cost effective in the manufacture of tooling compared with sand casting.
Gravity Die Casting Process
Gravity die casting is often a manual process, with the molten metal added with the use of a ladle. However, for some high volume applications it is also possible to use an automated ladle to pour the molten metal. The speed and the direction of the filling can also be controlled by tilting the die.
Apart from the method by which the molten metal is poured into the die cavity, and the gravity die material, the casting process is essentially the same as sand casting. It involves four steps:
- The die is heated and then sprayed with a refractory coating, and closed. The coating both helps control the temperature of the die during manufacture and it also assists in the removal of the casting.
- Molten metal is then manually poured into the die, (although in some cases a machine can be used) and allowed to solidify.
- The die is then opened and the cast parts either removed by hand or in some cases ejector pins are used on the mechanised machines.
- Finally, the scrap, which includes the gate, runners, sprues and flash, is removed from the casting(s). The castings are then processed to remove sharp edges and excess material, then blast cleaned (if required) prior to despatch to the customer.
Gravity die casting is a natural partner to sand casting, and allows us to offer the customer the most cost effective route for casting manufacture.
Features of Aluminum Gravity Castings:
- The surface finish of product is not high, prone to pit after shot blasting.
- Less inner porosity, and heat treatment can be performed.
- Low product density, slightly worse strength, but high elongation rate.
- Low mould cost is low and long mould serving life.
- low production efficiency, thus increasing the production cost.
- Unsuitable for the production of thin wall parts.
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