Product Description

Q1. Can I have a sample order for Solar/LED street light?

A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.

Q2. What about the lead time?

A: Sample needs 3-5 days, mass production time needs 1-2 weeks for order quantity more than 

Q3. Do you have any MOQ limit for Solar/led light order?

A: The MOQ depends on the what products you need, usually 1PCS.

 PS: If you need sample for quality evaluation and market survey, we are glad to offer

Q4. How do you ship the goods and how long does it take to arrive?

A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.

Q5. How to proceed an order for Solar/led street light?

A: At first, let us know your requirements or application.
In the following, We quote according to your requirements or our suggestions.
Then customer confirms the samples and places deposit for formal order.
In the end, We arrange the production. Therefore, all of these are as per your requirements.

Q6. Is it OK to print my logo on Solar/led light product?

A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q7: Do you offer guarantee for the products?

A: Yes, we offer 2-5 years warranty to our products.

Q8: How to do if any quality problems on our side in the warranty time?

A: “Quality is our culture.” At first, take pictures or videos as proof and send to us.We will replace new ones for free.

 

Q9: What is your trade assurance?

A: Quality is our culture.

100% product quality protection
100% product on time shipment protection
100% payment protection for your covered amount

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Light Type: LED
Material: Aluminum
Color Temperature(CCT): Warm White
Hight: ≥100cm
Style: European
IP Rating: IP65
Samples:
US$ 56/Piece
1 Piece(Min.Order)

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Customization:
Available

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cast aluminium

Are there any limitations to the shapes and sizes that can be achieved with cast aluminium?

When it comes to casting aluminium, there are certain limitations to consider regarding the shapes and sizes that can be achieved. Here’s a detailed explanation:

1. Complexity of Shapes: While cast aluminium allows for the production of intricate and complex shapes, there are limits to the level of complexity that can be achieved compared to other manufacturing processes such as machining. The use of cores and slides can enable the creation of undercuts and internal features, but excessively complex geometries may pose challenges during the casting process, leading to increased production time and costs.

2. Wall Thickness: Casting aluminium is well-suited for producing parts with varying wall thicknesses. However, excessively thin sections or abrupt transitions between thick and thin sections can result in casting defects such as porosity, shrinkage, and inadequate mechanical strength. Design guidelines should be followed to ensure proper wall thickness and avoid potential issues.

3. Size and Weight: Cast aluminium can be used to produce both small and large components, ranging from a few grams to several tons. However, casting larger and heavier parts may require specialized equipment and facilities to accommodate the size and weight of the casting. Additionally, handling and transportation considerations must be taken into account for larger castings.

4. Dimensional Accuracy: Achieving precise dimensional accuracy can be more challenging with cast aluminium compared to other manufacturing processes like machining. Shrinkage and distortion during the cooling and solidification process can result in slight variations in the final dimensions of the casting. Design tolerances and post-casting machining processes may be necessary to achieve the desired dimensional accuracy.

5. Surface Finish: Cast aluminium surfaces may exhibit a textured or slightly rough finish compared to the smooth finish achieved through machining processes. The surface finish of cast aluminium parts can be influenced by factors such as the quality of the mold, the casting process, and the material used. Additional post-casting processes such as grinding, polishing, or coating may be required to achieve the desired surface finish.

6. Weight Distribution: The distribution of weight within a cast aluminium part can affect its mechanical properties, stability, and performance. Uneven weight distribution or localized thick sections can lead to imbalance, reduced structural integrity, and potential issues during assembly or use. Proper design considerations should be given to weight distribution to ensure optimal performance and functionality.

7. Machining Allowances: Cast aluminium parts often require machining operations to achieve the final dimensions, features, and surface finish. Designing with appropriate machining allowances is necessary to account for the expected dimensional variations during the casting process. Machining allowances should be included in the design to allow for post-casting machining operations and achieve the desired specifications.

Despite these limitations, cast aluminium remains a versatile manufacturing method capable of producing a wide range of shapes and sizes. By understanding and working within the constraints of the casting process, engineers and designers can leverage the benefits of cast aluminium while optimizing the design for manufacturability and functionality.

cast aluminium

What are the tolerances and accuracies achievable with cast aluminium parts?

The achievable tolerances and accuracies of cast aluminium parts can vary depending on various factors, including the casting process, part design, size, complexity, and the specific requirements of the application. Here’s a detailed explanation:

Cast aluminium parts are manufactured through the casting process, which involves pouring molten aluminium into a mold and allowing it to solidify. This process can introduce certain limitations in terms of dimensional accuracy and tolerances compared to other manufacturing methods like machining. However, advancements in casting techniques and process controls have significantly improved the precision and quality of cast aluminium parts.

The achievable tolerances and accuracies of cast aluminium parts typically fall within a range based on industry standards and practical considerations. Here are some key factors to consider:

  • Casting Method:
  • The casting method employed can impact the achievable tolerances. Processes like sand casting, investment casting, and die casting can have different inherent limitations and capabilities in terms of dimensional accuracy. For example, die casting generally offers higher precision and tighter tolerances compared to sand casting.

  • Part Design and Complexity:
  • The complexity of the part geometry and design features can affect the achievable tolerances. Parts with intricate details, thin walls, undercuts, or internal cavities may pose challenges in maintaining tight tolerances. Simplifying the design or incorporating additional post-casting machining operations can help achieve tighter tolerances.

  • Size and Dimensions:
  • The size and dimensions of the cast aluminium part can influence the achievable tolerances. Larger parts may have slightly looser tolerances due to the potential for thermal expansion and contraction during the solidification process. Smaller parts generally have higher precision and tighter tolerances.

  • Surface Finish and Machining:
  • Depending on the application requirements, cast aluminium parts may undergo post-casting machining operations to achieve tighter tolerances and improve surface finish. Machining processes like milling, turning, and grinding can refine the dimensions and tolerances to meet specific accuracy requirements.

  • Industry Standards and Specifications:
  • Various industries have established standards and specifications that define the acceptable tolerances for different types of cast aluminium parts. These standards provide guidelines and reference values for dimensional accuracy based on the intended application and functional requirements.

It is important to note that the achievable tolerances and accuracies with cast aluminium parts may vary from one manufacturer to another or even within different production runs. Close collaboration between the design engineers, casting experts, and manufacturers is crucial to ensure that the desired tolerances can be achieved while considering the practical limitations and cost-effectiveness.

Overall, while cast aluminium parts may not offer the same level of precision as fully machined parts, they can still meet a wide range of dimensional requirements and functional needs. The selection of appropriate casting methods, design considerations, and post-casting processes can help achieve the desired tolerances and accuracies for cast aluminium parts in most applications.

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 OEM Die-Casting Aluminum LED Pole Top Light 30W 40W 60W 90W Garden Lighting Pole Mounted Fixture  China OEM Die-Casting Aluminum LED Pole Top Light 30W 40W 60W 90W Garden Lighting Pole Mounted Fixture
editor by Dream 2024-05-16