Product Description

Product Description

Gearbox Sand Castings
Gearbox castings refer to various castings required for the production of automotive gearboxes, including gears, shaft sleeves, shells, cover plates, flange seats, output shafts, input shafts, etc. These castings are usually produced using casting processes to achieve higher production efficiency and lower manufacturing costs.

According to different casting materials, gearbox castings can be mainly divided into 3 categories: cast iron, cast steel, and aluminum alloy. Cast iron is the most commonly used material, with low production cost, high strength, good toughness, and good processing performance, suitable for gear manufacturing. Cast steel is a material with higher strength, suitable for manufacturing high-strength components and gear boxes with high service life requirements. Aluminum alloy castings have the advantages of light weight, high strength, and strong corrosion resistance, which can be used for lightweight gearbox manufacturing.

Detailed Photos

Gearbox Sand Casting Features :

Gearbox castings play an important role in automobile manufacturing, and their quality and performance directly affect the service life of gearboxes and the overall performance of automobiles. Therefore, in the production process of castings, it is necessary to strictly control the composition of materials, casting process, and quality inspection process to ensure the integrity and reliability of the castings. Meanwhile, with the development of the automotive industry, casting manufacturing technology is constantly innovating and improving to achieve higher quality, lower costs, and higher production efficiency.

 

Parameters of Sand Casting
Material for mould H13,DIEVAR,QDN,8407,2344V,TQ1,2343,SKD61,45#steel,etc.
Heat treatment for mould Hardened, HRC50~55
Mould features Advanced design,   Logical structure,   High precision,   Qualified materials, Long lifetime, Short delivery time.
Material for product Aluminum & Aluminum alloy  A356, A360, A380, A390, ADC-12,ADC10,Zinc & Zinc alloy. ZA-3,ZA-5,ZA-8,alloy steel,Nodular,Titanium.Zinc,zinc alloy,stainless steel.gray iron.ductile Iron.Brass.aluminum alloy.alloy steel,carbon steel
Standard ASTM, ASME, DIN, JIS, ISO, BS, API, EN
Certificate ISO9001, CE, TUV, SGS or as your requirement to do test by the third party
Tolerance Up to +/- 0.002mm
Dimension As per customers’ request
Processing Step1: Die Casting/sand casting/gravity casting
Step2: CNC turning, CNC turning and milling compound processing, 3/4/5 axis CNC milling, drilling, wire-cutting, EDM, grinding etc.
Step3: Surface treatment
Surface Anodize, Plating, Brushing, Polishing, Blackened, Powder coating, Sandblasting, Laser engraving, ED- Coating, Chromate Plating, Zinc Plating, Dacromat Coating, etc.
Marking As per clients’ requirements
Inspection Material, dimension, heat treatment, hardness, NDT, surface
Quality ISO9001, PPAP control production
Lead time 20-30days for sample, consult with customer for mass production
Delivery Express for sample, CHINAMFG shipping/air for mass production
Our Capabilities CNC machining, CNC center machining, drilling, milling, turning, grinding, tapping, die casting, casting, forging, stamping
Engineering&manufacturing services R&D process, tooling and gauging design, product design,Integrated CAD/CAM system, test and measuring

Gearbox Sand Casting Display :

Our Advantages

Company Profile

HangZhou HangZhou Casting Materials Co., Ltd was founded in 2017-02-20. The company address is located at No. 26, HangZhou 2ND Road, Xihu (West Lake) Dis. Economic Development Zone, Xihu (West Lake) Dis. District, HangZhou City. Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of quality first, customer first and credit-based; Since the establishment of the company and always do our best to satisfy potential needsof our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a CHINAMFG situation, since the trend of economic globalization has developed with anirresistible force. Welcome to communicate and negotiate at any time.

Packaging & Shipping

We can come according to your needs.

FAQ of Gearbox Sand Casting

1.What do you need to provide a quote?
Please kindly send us the drawing of your product. Details below should be included,
A.Materials  B. Surface Finish  C. Tolerance  D. Quantity
   (Please be noted that these are essential for our quoting. We couldn’t quote the specific price without any of them.).

2.When can I get the price?
Our professional sales team will feedback your RFQ within 12hours, and give you the Quotation within 48hours max. if the drawing and specification is all in details.

3.How can I get the sample to check your quality?
After price confirmation, you can require for samples to check our product’s quality. If you just need a blank sample to check the manufacturing quality, we will provide you sample after the sample order confirmed.

4.What’s the lead time for Mould and samples ?
For normal project, we can complete Mould and supply the 1st article sample within 30 to 40days.
For urgently project, we can complete the Mould and Sample within 20days max.

5.What’s the payment terms for Order ?
For production Order for new Customers:we request 50% down payment,rest 50%pay by copy of Original B/L copy. 
For long lasting regular customer,we can give better payment terms, such as 100%pay after delivery or by B/L copy.
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Type: Sand Casting
Casting Method: Vacuum Aspirated Casting
Sand Core Type: Resin Sand Core
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Shipping Cost:

Estimated freight per unit.







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

cast aluminium

What design considerations are there when working with cast aluminium?

When working with cast aluminium, several design considerations should be taken into account to ensure successful and efficient manufacturing. Here’s a detailed explanation:

1. Wall Thickness: Maintaining uniform wall thickness is crucial in cast aluminium design. Thick sections can lead to slower solidification, increased porosity, and potential shrinkage defects. Conversely, excessively thin sections may result in poor mold filling and insufficient mechanical strength. Design guidelines should be followed to optimize wall thickness and ensure proper solidification during casting.

2. Corner Radii and Fillets: Incorporating generous corner radii and fillets in cast aluminium designs helps minimize stress concentration and prevent the formation of sharp edges. Smooth transitions between wall sections, ribs, and bosses improve the overall strength and integrity of the casting.

3. Draft Angles: Draft angles are necessary to facilitate the removal of the casting from the mold. Adequate draft angles allow for smooth ejection, reducing the risk of damage to the casting and ensuring consistent production. Typically, a minimum draft angle of 1-3 degrees per side is recommended for cast aluminium parts.

4. Rib Design: Ribs are often used to provide additional strength and rigidity to cast aluminium components. Designing ribs with proper thickness, height, and filleting helps prevent distortion and ensures effective heat dissipation during casting and subsequent use.

5. Undercuts and Core Pulls: Complex cast aluminium designs may require the use of cores or slides for creating undercuts or internal features. These features should be designed with care to allow for easy removal of the casting from the mold. Proper consideration of core placement, shape, and release mechanisms is essential to avoid casting defects and ensure smooth production.

6. Parting Line: The parting line is the interface where the two halves of the mold meet. It is important to carefully consider the location of the parting line to minimize the need for additional machining and to ensure good dimensional accuracy. The parting line should be strategically placed to avoid critical features and maintain the overall integrity of the casting.

7. Surface Finish and Texture: Cast aluminium parts often require specific surface finishes and textures for both functional and aesthetic purposes. Design considerations should be given to the desired surface finish, such as smoothness, textures, and the location of parting lines, to achieve the desired appearance and performance of the final product.

8. Material Selection: The selection of the appropriate aluminium alloy for the specific application is crucial. Different aluminium alloys have varying mechanical properties, corrosion resistance, and casting characteristics. Understanding the requirements of the part and selecting the suitable alloy will ensure optimal performance and cost-effectiveness.

9. Tolerances and Machining Allowances: Design tolerances and machining allowances should be carefully defined to accommodate the expected dimensional variations during casting and post-casting processes. It is essential to consider the shrinkage and distortion tendencies of cast aluminium and provide appropriate tolerances to achieve the desired fit and functionality of the final assembly.

10. Testing and Prototyping: Testing and prototyping are essential steps in the design process for cast aluminium parts. Physical prototypes and computer simulations can help identify potential issues, validate the design, and optimize the casting process before full-scale production. Performing thorough testing and evaluation ensures the final design meets the required performance and quality standards.

By considering these design considerations, engineers and designers can optimize the manufacturability, functionality, and performance of cast aluminium components. Collaboration between designers, casting experts, and manufacturers is often valuable to ensure the best outcomes in terms of cost, quality, and efficiency.

cast aluminium

How does cast aluminium withstand environmental and weather conditions?

Cast aluminium exhibits several characteristics that enable it to withstand various environmental and weather conditions. Here’s a detailed explanation:

  • Corrosion Resistance:
  • One of the primary reasons cast aluminium is highly durable in outdoor environments is its excellent corrosion resistance. Aluminium naturally forms a thin oxide layer on its surface when exposed to air, which acts as a protective barrier against corrosion. This oxide layer prevents the underlying metal from coming into direct contact with moisture, oxygen, and other corrosive elements in the environment.

  • Passivation:
  • Cast aluminium undergoes a process called passivation, where the surface of the metal is chemically treated or anodized to enhance its corrosion resistance. Passivation helps create a thicker and more stable oxide layer, making the aluminium even more resistant to degradation caused by exposure to moisture, salts, and pollutants.

  • UV Resistance:
  • Cast aluminium is also highly resistant to UV radiation from the sun. Unlike some other materials, aluminium does not degrade or become brittle when exposed to prolonged sunlight. This UV resistance makes cast aluminium suitable for outdoor applications, as it can maintain its structural integrity and appearance over time without fading or discoloration.

  • Thermal Stability:
  • Aluminium has excellent thermal stability, allowing it to withstand extreme temperature variations without significant changes in its properties. Cast aluminium can expand and contract with temperature fluctuations, making it less prone to warping or cracking due to thermal stress. This property is particularly advantageous in outdoor environments where temperature changes can be substantial.

  • Lightweight:
  • The lightweight nature of cast aluminium contributes to its ability to withstand environmental conditions. Unlike heavier metals such as iron or steel, aluminium is less susceptible to fatigue or structural damage caused by its own weight. This characteristic makes cast aluminium furniture or structures more resistant to deformation or collapse, even under the forces exerted by wind or other external factors.

  • Durability:
  • Cast aluminium is known for its overall durability and long lifespan. It is a robust material that can withstand the rigors of outdoor use, including impacts, vibrations, and mechanical stress. It is not prone to cracking, splitting, or rotting like wood, making it highly durable in various weather conditions.

  • Low Maintenance:
  • Outdoor products made from cast aluminium require minimal maintenance. The inherent corrosion resistance of aluminium eliminates the need for frequent painting or protective coatings. Simple cleaning with mild soap and water, along with occasional waxing or polishing, is usually sufficient to maintain the appearance and performance of cast aluminium products.

The combination of corrosion resistance, passivation, UV resistance, thermal stability, lightweight construction, durability, and low maintenance makes cast aluminium an excellent choice for outdoor applications. It can withstand environmental and weather conditions while retaining its structural integrity, appearance, and functionality over an extended period.

cast aluminium

What properties make cast aluminium suitable for outdoor furniture?

Cast aluminium possesses several properties that make it highly suitable for outdoor furniture. Here’s a detailed explanation:

  • Corrosion Resistance:
  • One of the key properties of cast aluminium is its excellent corrosion resistance. Aluminium naturally forms a protective oxide layer on its surface, which acts as a barrier against environmental factors such as moisture, oxygen, and UV radiation. This inherent corrosion resistance allows cast aluminium outdoor furniture to withstand exposure to rain, humidity, and other outdoor elements without rusting or deteriorating.

  • Lightweight:
  • Cast aluminium is significantly lighter than other metals commonly used in furniture, such as iron or steel. This lightweight property makes cast aluminium furniture easy to move and rearrange in outdoor spaces. It is particularly advantageous for larger furniture pieces, such as dining sets or lounge chairs, as it allows for effortless transportation and storage.

  • Durability:
  • Cast aluminium is known for its durability and long lifespan. It is a robust material that can withstand the rigors of outdoor use, including exposure to sunlight, temperature variations, and frequent handling. Unlike wood, cast aluminium is not prone to cracking, warping, or rotting, making it an ideal choice for outdoor furniture that needs to withstand different weather conditions.

  • Low Maintenance:
  • Outdoor furniture made from cast aluminium requires minimal maintenance. The corrosion-resistant nature of aluminium eliminates the need for regular painting or protective coatings. Cast aluminium furniture can be easily cleaned with mild soap and water, and occasional application of a protective wax or polish can help maintain its appearance over time.

  • Aesthetic Appeal:
  • Cast aluminium furniture offers a wide range of design options and finishes. It can be intricately molded and shaped to create various styles and patterns, allowing for visually appealing outdoor furniture designs. Cast aluminium can also be finished with different coatings or powder coatings, providing options for color customization and enhancing its aesthetic appeal.

  • Comfort:
  • Along with its functional properties, cast aluminium furniture can be designed with comfort in mind. Cushions or padded seating can be added to enhance the comfort level, making it suitable for extended outdoor lounging or dining experiences.

The combination of corrosion resistance, lightweight construction, durability, low maintenance, aesthetic versatility, and comfort makes cast aluminium an excellent choice for outdoor furniture. It can withstand outdoor conditions while providing a visually appealing and comfortable seating or dining experience.

China wholesaler Sand Iron Flywheel Auto Brass Spare Tractor Machinery Metal Die Aluminum Steel Hardware Casting Gearbox Automobile Manufacturing Tractor Parts Accessories  China wholesaler Sand Iron Flywheel Auto Brass Spare Tractor Machinery Metal Die Aluminum Steel Hardware Casting Gearbox Automobile Manufacturing Tractor Parts Accessories
editor by CX 2024-04-09