Product Description

Custom Aluminum Zinc Stainless Steel CNC Turning Milling Machining Die Casting Mold & Parts Services

Products Description
Mold Material H13, 2344, 8407, 8418, 718, SKD61,SKD11, P20….
Product Material 1) ADC10, ADC12, A360, A380, A413, A356, LM20, LM24….
2) Zinc alloy 3#, 5#, 8#….
3) Stainless Steel 304, 420, 316L,17-4PH…..
Surface treatment 1) Polish, powder coating, lacquer coating, e-coating, sand blast, shot blast, anodine
2) Polish + zinc plating/chromeplating/pearl chrome plating/nickel plating/copper plating
3) Polishing,Wire-drawing,Sandblasting,Plating,Coated,etc.
Size 1) According to customers’ drawings
2) According to customers’ samples
Part Weight From 1g — 20kg
Inspection 1.Foundry in house: 100% inspection on critical dimension, 100% on appearance.
2.Third party inspection available CHINAMFG requirement.
Application Aerospace, Microwave Communication, Optical Equipment, Lighting Industry, Measuring Instruments, Automation Equipment, Medical Equipment, Household Appliances, Digital Products, Automobile Industry, Security Products, Sporting Goods, Health Supplies, Etc.

FAQ

1.How to quote?
Received the sample or drawing in CAD STP form then we will make the quotation.

2.How about the lead time?
It depends on quantity, generally 7-20 working days after order confirmation.

3.Can you give me help if my products are very urgent?
Yes, we will try our best to give you help. Because we have our own factory to produce. We can flexible to adjust our production schedule.

4.I want to keep our design in secret, can we CHINAMFG NDA?
Sure, we will not display any customers’ design or show to other people, we can CHINAMFG NDA.

5.Can we know the production process without visiting the factory?
We will offer a detailed production schedule and send pictures and videos which show the machining progress.

6. Are you trade company or manufacturer?
Senbao was founded in 2003, it owns a large factory which occupies over 10000 sq. mt in HangZhou and HangZhou.
An ISO 9001:2015 & IATF 16949 & SGS &TUV Certified company, more than 140 employees.

Die Casting Machine Type: Cold Chamber Die Casting Machine
Die Casting Method: Precision Die Casting
Application: Machinery Parts
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

cast aluminium

What is the impact strength of cast aluminium?

The impact strength of cast aluminium can vary depending on several factors. Here’s a detailed explanation:

The impact strength refers to a material’s ability to withstand sudden loads or shocks without fracturing or breaking. It is an essential property to consider, particularly in applications where the cast aluminium part may be subjected to impact or sudden loads.

The impact strength of cast aluminium is influenced by various factors, including the alloy composition, casting method, heat treatment, and microstructure. Here are some key points to consider:

  • Alloy Composition:
  • The specific alloy used in the casting process significantly affects the impact strength of cast aluminium. Different alloying elements and their concentrations can influence the material’s mechanical properties, including impact resistance. For example, some aluminium-silicon alloys, such as A356 or A413, are known for their good impact strength.

  • Casting Method and Process:
  • The casting method employed can affect the impact strength of cast aluminium. Certain casting processes, such as die casting or squeeze casting, can result in improved material density and reduced porosity, leading to higher impact strength compared to other methods like sand casting.

  • Heat Treatment:
  • Heat treatment processes, such as solution heat treatment and aging, can improve the impact strength of cast aluminium. Heat treatment helps refine the microstructure, enhance the material’s mechanical properties, and increase its resistance to impact loading.

  • Microstructure:
  • The microstructure of cast aluminium, including the size and distribution of grains and any present phases or inclusions, can influence its impact strength. A fine and uniform microstructure generally contributes to improved impact resistance.

  • Design Considerations:
  • The design of the cast aluminium part can also impact its impact strength. Factors such as wall thickness, geometry, and the presence of stress concentration points can affect the part’s ability to withstand impact loads. Proper design considerations, such as fillets, ribs, or reinforcement, can help enhance impact resistance.

It’s important to note that the impact strength of cast aluminium can vary among different alloy grades and even within the same alloy due to variations in casting and processing conditions. Therefore, it is advisable to consult specific material data sheets or conduct mechanical testing to determine the impact strength of a particular cast aluminium grade for a given application.

Additionally, the impact strength of cast aluminium is typically evaluated using standardized tests, such as the Charpy or Izod impact test. These tests involve subjecting standardized specimens to a sudden impact and measuring the energy absorbed during fracture. The results provide an indication of the material’s resistance to impact loading.

In summary, the impact strength of cast aluminium is influenced by factors such as alloy composition, casting method, heat treatment, microstructure, and design considerations. By selecting suitable alloys, applying appropriate casting techniques, considering heat treatment processes, optimizing the part design, and conducting mechanical testing, it is possible to achieve cast aluminium parts with the desired impact strength for specific applications.

cast aluminium

Are there any corrosion-resistant grades of cast aluminium?

Yes, there are corrosion-resistant grades of cast aluminium that are specifically formulated to have enhanced resistance against corrosion. Here’s a detailed explanation:

Cast aluminium alloys are typically composed of aluminium as the primary element and various alloying elements added to enhance specific properties. The choice of alloying elements and their composition can significantly influence the corrosion resistance of cast aluminium. Some commonly used corrosion-resistant grades of cast aluminium include:

  • Aluminium-Silicon Alloys:
  • Aluminium-silicon alloys, such as the popular A356 and A413 grades, are widely used in casting applications due to their excellent corrosion resistance. These alloys contain silicon as the primary alloying element, which forms a protective oxide layer on the surface of the aluminium, enhancing its resistance to corrosion caused by exposure to moisture, salts, and other corrosive elements.

  • Aluminium-Magnesium Alloys:
  • Aluminium-magnesium alloys, such as the 5000 series (e.g., 5052 and 5083), are known for their good corrosion resistance. The addition of magnesium provides a self-healing property to the aluminium, as the magnesium reacts with oxygen to form a protective magnesium oxide layer. This oxide layer helps prevent further corrosion and degradation of the aluminium surface.

  • Aluminium-Zinc Alloys:
  • Aluminium-zinc alloys, such as the 7000 series (e.g., 7075), exhibit high strength and good corrosion resistance. The addition of zinc enhances the corrosion resistance by forming a protective zinc oxide layer on the surface of the aluminium. These alloys are commonly used in applications where both strength and corrosion resistance are critical, such as in aerospace and military industries.

  • Aluminium-Copper Alloys:
  • Aluminium-copper alloys, such as the 2000 series (e.g., 2024), are known for their high strength and moderate corrosion resistance. The addition of copper improves the overall strength and mechanical properties of the aluminium, while also providing some degree of corrosion resistance. However, these alloys may require protective coatings or surface treatments for enhanced corrosion protection in more aggressive environments.

It’s important to note that while these corrosion-resistant grades of cast aluminium offer improved resistance to corrosion, they may still require proper maintenance and care to ensure their long-term performance. Factors such as exposure to harsh environments, temperature variations, and the presence of corrosive agents can still affect the corrosion resistance of cast aluminium, albeit to a lesser extent compared to non-resistant grades.

When selecting a specific grade of cast aluminium for a particular application, it is essential to consider the environmental conditions, intended use, and required level of corrosion resistance. Consulting with material suppliers or experts in the field can provide valuable guidance in choosing the most suitable corrosion-resistant grade of cast aluminium for a given application.

cast aluminium

How is cast aluminium made, and what are the steps in the casting process?

The process of manufacturing cast aluminium involves several steps. Here’s a detailed explanation:

  1. Pattern Creation:
  2. The casting process begins with the creation of a pattern, which is a replica of the desired final product. The pattern can be made from various materials such as wood, metal, or plastic. It represents the shape and dimensions of the finished cast aluminium product.

  3. Mold Preparation:
  4. A mold is created by placing the pattern into a container and surrounding it with a molding material. The molding material can be sand, plaster, ceramic, or a mixture of these materials. The mold is designed to have a cavity that corresponds to the shape of the pattern.

  5. Mold Assembly:
  6. If the casting process requires multiple parts or complex shapes, the mold may consist of several pieces that are assembled together. This ensures that the final mold can be easily removed from the cast aluminium product.

  7. Melting and Pouring:
  8. The next step is to melt the aluminium. This is typically done in a furnace where aluminium scraps or ingots are heated to their melting point, which is around 660°C (1220°F). Once the aluminium is molten, it is poured into the prepared mold through a gating system, which includes channels and sprues.

  9. Solidification:
  10. As the molten aluminium is poured into the mold, it begins to cool and solidify. The cooling rate and time required for solidification depend on the size and complexity of the cast aluminium product. During this stage, the aluminium undergoes a phase change from liquid to solid, taking the shape of the mold cavity.

  11. Shakeout and Cleaning:
  12. After the cast aluminium has solidified and cooled, the mold is removed, typically by shaking or vibrating the mold. The solidified casting, often referred to as a “green casting,” is then separated from the mold material. The casting is inspected for any defects or imperfections, and excess material, such as risers or gating systems, is removed.

  13. Heat Treatment (Optional):
  14. In some cases, cast aluminium products may undergo heat treatment processes to improve their mechanical properties. Heat treatment can involve processes such as annealing, quenching, or tempering, depending on the desired properties and application requirements.

  15. Finishing Operations:
  16. The final step involves finishing operations to achieve the desired surface finish and dimensional accuracy. This may include machining, grinding, sanding, polishing, or applying coatings or finishes to the cast aluminium product. These processes ensure that the product meets the required specifications and quality standards.

The casting process can vary depending on the specific casting method used, such as sand casting, die casting, or investment casting. Each method has its own variations and requirements, but the overall steps mentioned above provide a general overview of how cast aluminium products are made.

China manufacturer High Pressure Mould Service Aluminium Processed Die Casting  China manufacturer High Pressure Mould Service Aluminium Processed Die Casting
editor by CX 2023-12-14