CNC Machining and Cutting of Rectangular Aluminum Bars

Rectangular aluminum bars are widely used in industrial, aerospace, architectural, and precision engineering applications. With the growing demand for high-precision components, CNC machining and automated cutting of rectangular aluminum bars have become essential manufacturing processes.

Why Choose Rectangular Aluminum Bars for CNC Projects?

Rectangular aluminum bars provide structural stability, easy handling, and versatile fabrication options. They are especially suitable for parts requiring flat surfaces, right-angle edges, and consistent dimensions.

• Excellent strength-to-weight ratio
• Easy to machine with tight tolerances
• Available in multiple alloys like 6061, 6082, and 7075
• Corrosion-resistant, especially when anodized

Common CNC Machining Processes for Aluminum Bars

Precision machining enhances the performance and appearance of aluminum components. Popular CNC processes include:

• Milling: Flat faces, slots, and pockets can be precisely created
• Drilling & Tapping: Holes and threads for mechanical assemblies
• Facing & Profiling: Smooth finishes and detailed edges
• Chamfering & Deburring: Removal of sharp edges for safety and function

Recommended Aluminum Alloys for CNC Machining

Cutting Techniques for Rectangular Aluminum Bars

High-quality cuts are essential before CNC processing. Common cutting methods include:

• Cold saw cutting: High precision and smooth finish, ideal for mass production
• Band saw cutting: Versatile for thicker sections
• Laser or waterjet cutting: Useful for intricate shapes or custom blanks

Tolerances and Surface Finishing

CNC machining allows for tight dimensional tolerances, often within ±0.01 mm depending on part size and complexity. Surface treatments like anodizing, powder coating, or mechanical polishing can further enhance corrosion resistance and visual appeal.

Applications of CNC-Machined Rectangular Aluminum Bars

• Electronics housings
• Machine brackets and supports
• Automotive and motorcycle parts
• Architectural trims and load-bearing frames

Get Precision-Cut Rectangular Aluminum Bars Today

We supply high-quality rectangular aluminum bars in various alloys and sizes, ready for CNC machining or custom cutting. Whether you need bulk material or fully machined components, our team supports industrial and OEM clients worldwide.

Contact us for a quote, custom size inquiries, or machining services tailored to your project.

Author: frank

Chalco Aluminium is specialized in producing and marketing aluminium bar.Our customer service representatives are qualified,knowledgeable aluminum bars experts, Thire industry expertise and professionalism will save you time and money and ensure that you have the best aluminium bars and rods.