Equipped with high-tonnage extrusion presses, five-axis CNC machines, and heat treatment equipment, we can customize aerospace special-shaped copper extrusions based on customer drawings or 3D models.
Core Machining Capabilities
Extrusion
During the extrusion process, we utilize 2,000-ton equipment and maintain constant pressure to completely press the copper material into the mold cavity, ensuring part dimensional tolerances within ±0.02 mm.
Straightening
After extrusion and cooling, we use straightening equipment to align parts section by section, maintaining straightness within 0.5 mm/m, ensuring subsequent machining accuracy.
CNC Precision Machining
Following, we use five-axis CNC equipment for secondary finishing, ensuring dimensional accuracy of ±0.01 mm and surface roughness ≤ Ra0.8 μm.
Surface Treatment
We offer processes such as anodizing, nickel electroplating, and chemical passivation, creating a 5–25 μm thick protective layer on component surfaces to prevent rust and extend the service life to 8–10 years.
Quality Inspection
Dimensional Inspection: Calipers, micrometers, and CMMs are used to ensure dimensional compliance with design requirements.
Surface Inspection: Ultrasonic and eddy current nondestructive testing are used to detect surface cracks, scratches, and internal defects.
Mechanical Testing: Tensile, hardness, and elongation tests are performed on samples to verify that mechanical properties meet specified standards.
Why Choose Us Over Other
Comprehensive Processes
We offer forging, casting, die casting, CNC machining, and copper extrusion, with all stages completed in-house to achieve one-stop production.
Strict Quality Inspection
We are equipped with spectrometers, hardness testers, and coordinate measuring machines to inspect raw materials, performance, and dimensions item by item, ensuring reliable product quality.
Reliable Logistics
We cooperate with international carriers such as DHL, FedEx, and UPS, and provide shipping insurance and tracking services to ensure safe and on-time delivery.
FAQ
Q: What is the maximum length of a single extrusion?
A: We can produce profiles up to 12 meters long and can cut to length as needed.
Q: Can you perform chamfering?
A: We can perform chamfering according to the drawing, with an angle accuracy of ±1°.
Q: What are some common copper alloy grades?
A: C11000, C17200, C26000, etc.
Q: How can I prevent rust during transportation?
A: The finished product is coated with anti-rust oil and sealed with moisture-proof film.
Q: What is the production speed for extrusion molding?
A: The copper extruder has a discharge speed of 1.5–2 meters per minute.
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