Advantages of CNC Milling Aluminum 7075 Parts

The machining quality is stable, the dimensional accuracy is high, and repeatability is excellent. Aluminum 7075 is one of the high-strength aluminum alloys, with strength comparable to certain low-alloy steels, making it particularly suitable for high-load structural components such as aerospace parts and mold bases. Despite its high strength, 7075 offers good machinability. By optimizing cutting parameters, CNC milling can achieve efficient and stable precision machining, making it well-suited for demanding industrial applications.

Although untreated 7075 aluminum has moderate corrosion resistance, it can achieve excellent corrosion protection through surface treatments such as anodizing, meeting the harsh environmental requirements of aerospace and defense industries. 7075 aluminum parts are compatible with a variety of post-processing methods, including anodizing, electroplating, and sandblasting, which help enhance both the appearance and functional performance.

With a well-balanced combination of strength and machinability, 7075 material enables the efficient CNC milling of complex geometries and detailed structures.

In multi-variety, small-batch production scenarios, CNC milling provides high production efficiency. It significantly reduces time spent on production preparation, machine setup, and process inspection, while optimal cutting parameters further minimize machining time.

The need for specialized tooling is greatly reduced. Even complex-shaped parts can be processed without elaborate fixtures. When changes to part geometry or dimensions are required, only the machining program needs to be modified—ideal for new product development and design iteration.

CNC milling is also capable of producing intricate profiles that are difficult or impossible to achieve using conventional methods, including machining of internal or non-visible features.

What can JUNYU do for CNC Machined Aluminum Parts?

Material – Aluminum Alloys: We specialize in CNC machining of high-precision components using a variety of aluminum alloys, including 5052, 6061, 6063, 2017, 7075, 2024, 3003, and others.

Surface Finishing:To enhance the surface properties of machined parts, we offer a wide range of surface finishing services, including anodizing, bead blasting, hard anodizing, electroplating, polishing, and chemical plating.

Production Process: Drawing → Material Cutting → CNC Rough Machining → Drilling & Tapping → CNC Finish Machining → Polishing → Surface Finishing → Assembly → Quality Inspection → Packaging → Shipping

Machining Tolerance: We are capable of achieving precision tolerances of up to ±0.005 mm, with surface roughness as low as Ra 0.2 μm, making our parts suitable for high-end applications in industries such as aerospace, medical, electronics, and advanced industrial equipment.

Flexible Production Volumes: Whether it’s single-piece prototyping or small to medium batch production, JUNYU offers rapid response, consistent quality, and reliable delivery schedules.

Precision Machining of Complex Geometries: With advanced multi-axis CNC machining capabilities, we efficiently produce thin-walled structures, internal cavities, and intricate profiles, including shapes that are difficult to achieve through conventional methods.

Key Equipment: Vertical Machining Centers, Vertical Drilling Centers, 3-Axis, 4-Axis, and 5-Axis CNC Machining Centers, Lathes, Drilling Machines, Sawing Machines, Hydraulic Presses, Air Leak Testers, and Coordinate Measuring Machines (CMM)

Supported File Formats: JPEG, PDF, PNG, CAD, IGS, UG, SolidWorks

Loading Port: Guangzhou, China

Lead Time: Standard lead time is 7–30 days after order confirmation, depending on the customer’s purchase order quantity (PO QTY).

Industry-Specific Custom Solutions: We provide tailored machining solutions across a wide range of industries, including aerospace, automotive, medical, robotics, and consumer electronics, based on application-specific performance and quality requirements.