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Amid the modern industrial trend of pursuing high efficiency, high precision, and lightweight design, die-castings have become a core component choice in industries such as automotive, electronics, and aerospace, thanks to their unique molding process and outstanding performance. Leveraging the core technology of high-pressure filling of mold cavities with molten metal, they achieve multiple advantages including "integrated forming of complex structures, precision dimensions without additional processing, and optimized material costs", providing key support for product upgrading across various industries.
1. Diverse Material Systems to Meet Different Scenario Requirements
Die-castings offer a wide range of metal material options, which can be flexibly customized according to the performance requirements of application scenarios:
Aluminum Alloy Die-Castings: As the mainstream choice, they have a density of only 2.7g/cm³ (approximately 1/3 that of steel) and a tensile strength of 200-400MPa. Combining excellent thermal conductivity (120-200W/(m·K)) and corrosion resistance, they are widely used in scenarios requiring both lightweight and strength, such as automotive structural parts and electronic device housings.
Zinc Alloy Die-Castings: Boasting excellent fluidity (flow rate of 50-100mm/s at die-casting temperature), they can form precision structures with a minimum detail size of 0.2mm. Their surfaces are easy to electroplate, making them suitable for products with high requirements for appearance and precision, such as electronic terminal blocks and small hardware accessories.
Magnesium Alloy Die-Castings: Representing ultra-lightweight materials, they have a density of 1.8g/cm³ and a specific strength of 120-180MPa/(g/cm³)×10³. Their shock absorption performance is 2-5 times that of aluminum alloys, specially designed for fields with strict requirements for weight reduction and impact resistance, such as aerospace and high-end medical equipment.
Copper Alloy Die-Castings: Featuring outstanding thermal and electrical conductivity, high melting point, and strong wear resistance, they are applicable to industrial core components requiring high temperature resistance and high electrical conductivity, such as motor rotors and oil pump parts.
2. Three Core Advantages to Reshape Manufacturing Efficiency and Quality
One-Time Forming of Complex Structures to Simplify Production Processes: Relying on high-pressure die-casting technology (pressure of 30-200MPa), molten metal can fully fill the mold cavity, enabling integrated forming of multi-chamber, multi-rib, and thin-walled (minimum wall thickness of 0.5mm) structures. For example, the traditional process for an automotive gearbox housing requires 8-10 assembly steps, while die-castings can achieve one-time forming, increasing assembly efficiency by over 60%.
High Precision and Low Loss to Control Comprehensive Costs: Dimensional tolerance is stably controlled within IT11-IT13 grade, and precision models can reach IT8-IT10 grade. The surface roughness Ra value ranges from 1.6-6.3μm, allowing direct assembly without extensive post-processing. The metal material utilization rate exceeds 85% (compared to only 60%-70% in traditional casting), and the comprehensive production cost is 15%-40% lower than that of machined parts.
Strong Consistency in Mass Production to Ensure Stable Supply: The die-casting process enables automated continuous production, with a single mold cycle as short as 30-60 seconds. The dimensional deviation of products in each batch is controlled within 0.05mm, meeting the quality stability requirements for large-scale mass production in industries such as automotive and electronics.
3. In-Depth Penetration Across Industries to Empower Product Upgrading
Automotive Industry: The number of die-castings used per vehicle ranges from 50-100 pieces, covering core components such as engine blocks, chassis suspensions, and body frames. They help reduce vehicle weight by 8%-15%, and for every 100kg weight reduction, fuel consumption per 100 kilometers can be decreased by 0.3-0.6L, promoting the improvement of new energy vehicle range.
Electronics and Electrical Industry: They provide housings and heat dissipation components for products such as laptops and air conditioners. The thickness of aluminum alloy die-cast housings is 1-2mm, and their impact resistance is 2-3 times higher than that of plastic housings. Meanwhile, they have an electromagnetic shielding effectiveness of 30-50dB, protecting internal components for stable operation.
Medical Industry: The dimensional error of precision die-cast surgical instrument handles is 0.02-0.05mm. After passivation treatment on the surface, they can pass a 500-hour neutral salt spray test, meeting the hygiene and corrosion resistance standards of medical devices and ensuring the precision of surgical operations.
Aerospace Industry: Magnesium alloy die-castings are used in cabin structural parts and lightweight components of spacecraft. For every 1kg weight reduction, the launch cost of the spacecraft can be reduced by 10,000-20,000 US dollars, balancing flight performance and energy efficiency.
4. Strict Quality Control to Consolidate the Reliable Foundation of Products
A full-process quality assurance system is established from raw materials to finished products:
Raw Material Stage: High-purity metal ingots are selected (e.g., aluminum alloy with a purity of over 99.7%). During smelting, the hydrogen content is controlled below 0.1ml/100gAl through vacuum degassing technology to avoid internal pores.
Production Stage: Mold temperature control systems (temperature control accuracy of ±5℃) and real-time pressure monitoring equipment are adopted to ensure stable filling of molten metal and reduce defects such as flow marks and cold shuts.
Inspection Stage: Sampling inspections are conducted for each batch, including dimensional measurement (with a coordinate measuring machine accuracy of ±0.001mm), mechanical property testing (tensile and hardness testing), and non-destructive testing (X-ray inspection of internal structure). The qualification rate is stably maintained above 99.5%.
Whether in the automotive manufacturing industry pursuing lightweight design, the electronics industry requiring precision structures, or the aerospace field with extreme performance demands, die-castings, with their characteristics of "customization, high efficiency, and high quality", have become key components driving technological upgrading in various industries, helping enterprises achieve dual breakthroughs in product performance and production efficiency.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2010
Total Annual:
7000000-8000000
Employee Number:
100~150
Ecer Certification:
Verified Supplier
Race is a technology company full of passion and innovation. Since its establishment on July 22, 2010, it has been cruising the vast landscape of thermal technology under its logo “Race”.
Our vision is to become a leading player in the thermal solutions industry, partnering with ... Race is a technology company full of passion and innovation. Since its establishment on July 22, 2010, it has been cruising the vast landscape of thermal technology under its logo “Race”.
Our vision is to become a leading player in the thermal solutions industry, partnering with ...