Product Description

What Is Investment Casting?

Investment casting is a manufacturing process in which a wax pattern is used to shape a disposable ceramic mold. Then this is usually cast with molten metal, such as carbon steel castings, alloy steel castings and stainless steel castings.  This process can also be referred to as “precision casting” or “lost wax casting”.

These castings are used around the world in a wide range of products and industries. For example, our investment castings play a crucial role in the in the industries of Agricultural Equipment, Mineral Processing, Mining Equipment, Oil & Gas Industry, Ground Engaging & Heavy Equipment, Automobile Industry, Railway Industry, Ship Building Industry, Cement Industry, Power Industry, etc. Key products include Grate Bars & Plates, Bi-metals, Crusher & Shredder Parts, Wear Resistant Parts, Hydraulic Fittings, Valve & Pump Parts, Bucket Teeth & Adapters, and other casting with machining parts.

Description:
1.Product Name: Lost Wax Casting Part
2.Casting Process: Lost wax casting, investment casting, precision casting, water glass casting, silica sol casting and machining.
3.Material: Carbon steel, alloy steel, high chromium iron, high manganese steel, heat-resistance stainless steel and general stainless steel etc.
4.Material Standard: ASTM, AISI, DIN, BS, JIS, NF, AS, AAR, ISO, GB, etc.
5.Max linear Size: 1200mm; Max Diameter Size: 800 mm.
6.Casting Weight: 0.2~90Kg.
7.Casting Dimension Tolerance: As per ISO 8062 Gr. CT7-CT8.
8.Casting Surface Roughness: Ra 6.3um~12.5um.
9.Trade Item: FOB HangZhou or ZheJiang , China. CIF XX
10.Lead Time: 35-45 days(Details as per order quantity).
11.Software for Drawings: JPG, PDF, Auto CAD, CHINAMFG works, ProE, etc.
12.Heat Treatment: High Frequency Quenching, Medium Frequency Quenching, Carburizing and Quenching, Oil Quenching, Water Quenching, Normalizing, Tempering, Annealing, etc
13.Machining Capacity: CNC machining shop, lathe, milling machine, drilling machine, boring machine, grinding machine and outsourcing with our audited machining suppliers as per drawing specification.
14.Surface Treatment: Cold/ Hot Zn plating, blackening treatment, Cr plating, powder coating, Anti-rust paint, Surface Paint, Coated Anti-Rust Water, Anti-Rust Oil, etc
15.Inspection: Implement with destructive and non-destructive tests, including chemical analysis, dimensional inspection, mechanical properties test, metallographic observe, hardness test, MPI, LPI, and UT test. We are also co-working with international third-party testing labs to make sure all our customers’ requirements are satisfied.
16.Packing: Wood carton, fumigation or plywood box, metal box or according to customers’ requirement.
17.Quality System Certificate: ISO9001:2008, TS16949
18.Service Area: Performance in the industries of Agricultural Equipment, Mineral Processing, Mining Equipment, Oil & Gas Industry, Ground Engaging & Heavy Equipment, Automobile Industry, Railway Industry, Ship Building Industry, Cement Industry, Power Industry, etc. Key products include Grate Bars & Plates, Bi-metals, Crusher & Shredder Parts, Wear Resistant Parts, Hydraulic Fittings, Valve & Pump Parts, Bucket Teeth & Adapters, and other casting with machining parts.
If you have any project for lost wax casting part, please feel free to send us for offer!

Processing Way Lost Wax Casting / Investment Casting / Steel Casting / Injection Molding
Available Unite Weight 0.2~90Kg

 

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Casting Method: Thermal Gravity Casting
Process: Investment Casting
Molding Technics: Gravity Casting
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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

Can cast aluminium be recycled, and how is it done?

Yes, cast aluminium can be recycled, and the recycling process involves several steps. Here’s a detailed explanation:

Recycling cast aluminium helps conserve resources, reduce energy consumption, and minimize waste. The recycling process typically follows these steps:

  1. Collection:
  2. Cast aluminium scrap is collected from various sources, including discarded products, manufacturing waste, and post-consumer items. This scrap is then transported to recycling facilities for processing.

  3. Sorting:
  4. At the recycling facility, the collected cast aluminium scrap is sorted based on its alloy composition. Different aluminium alloys may have varying chemical compositions and properties, so sorting helps ensure that the recycled material is used appropriately.

  5. Shredding and Melting:
  6. The sorted cast aluminium scrap is shredded into smaller pieces or chips to increase its surface area. Shredding facilitates the melting process and allows for efficient heat transfer during recycling. The shredded aluminium is then loaded into a melting furnace.

  7. Melting and Purification:
  8. In the melting furnace, the shredded cast aluminium is heated to high temperatures, typically around 660°C (1220°F), causing it to melt. During the melting process, impurities and contaminants are removed through various purification techniques. This helps ensure that the recycled aluminium meets the required quality standards.

  9. Casting:
  10. Once the molten aluminium is purified, it is cast into ingots or other desired forms. The molten aluminium is poured into molds and allowed to cool and solidify, forming new aluminium products or raw material for further processing.

  11. Fabrication:
  12. The cast aluminium ingots or recycled aluminium sheets can be further processed and fabricated into new products. This may involve techniques such as extrusion, rolling, forging, or machining to shape the recycled aluminium into desired forms.

  13. Reuse or Manufacturing:
  14. The recycled cast aluminium can be used for various applications. It can be incorporated into new products, such as automotive components, building materials, packaging, or consumer goods. Alternatively, it can be sold to manufacturers who require aluminium as a raw material for their production processes.

  15. Continued Recycling:
  16. Aluminium has the advantage of being infinitely recyclable without any loss in quality. Recycled cast aluminium can be recycled again and again, allowing for a sustainable and circular material flow.

The recycling of cast aluminium helps conserve natural resources, reduces the need for primary aluminium production, and reduces the environmental impact associated with mining and refining raw aluminium. It also saves energy, as recycling aluminium requires significantly less energy compared to producing aluminium from ore.

China factory Customized Iron/Carbon Steel/Zinc/Aluminum/Brass/Alloy Metal High Precision Parts Lost Wax Investment Worm Die Casting/Steel Casting Mould Injection Parts  China factory Customized Iron/Carbon Steel/Zinc/Aluminum/Brass/Alloy Metal High Precision Parts Lost Wax Investment Worm Die Casting/Steel Casting Mould Injection Parts
editor by CX 2024-04-08