Aluminum Alloy Die-cast Electroplated Crankcase

Zinc alloy boasts extremely high tensile strength, rigidity, and hardness, effectively withstanding the complex alternating stresses and vibrations caused by high-speed crankshaft operation, preventing housing deformation. Its excellent wear resistance ensures long-term stable operation with mating components such as bearings, significantly extending the life of the entire machine.

Utilizing advanced die-casting technology, we are able to produce housings with complex shapes, uniformly thin walls, and crisp details. Single-stage molding reduces subsequent processing, resulting in smooth internal flow channels, ensuring extremely high dimensional accuracy and consistency while also effectively reducing lubricant flow resistance and improving lubrication efficiency.

The die-casting's inherently dense crystal structure effectively prevents oil leakage, ensuring excellent sealing performance under long-term operating pressures of the engine or compressor. The high creep resistance of zinc alloy ensures that the housing shape and bolt preload remain stable over time, even under high temperatures and sustained pressure.

Zinc alloy's excellent thermal conductivity helps quickly conduct and dissipate heat generated within the crankcase, effectively controlling operating temperatures and preventing power loss and oil degradation caused by overheating, thereby improving overall engine efficiency and reliability.

Excellent Cost-Effectiveness and Production Efficiency
Compared to other metalworking processes, die-casting offers extremely high efficiency and is suitable for large-scale production. Zinc alloys offer excellent fluidity, long mold life, and low scrap rates, resulting in competitive overall manufacturing costs and higher value for you.

Process: High-Precision High-Pressure Die-Casting
Material: High-Quality Zinc Alloy (such as ZA-8 and ZA-27)
Post-Processing: We offer one-stop services, including precision machining (e.g., bearing bores), deburring, and surface treatment (e.g., electroplating, spraying, and passivation).
Quality Control: 100% inspection of critical dimensions, and internal quality assurance through non-destructive testing such as X-rays.

Small general-purpose engines: lawn mowers, generators, high-pressure cleaners, etc.
Air conditioning and refrigeration compressors. Garden and power tools: chainsaws, brush cutters, etc.
High-end models and drones: engines for model airplanes and cars.
Small power units for various industrial and commercial equipment.

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