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HKAA-professional custom CNC machining parts manufacturer with quality CNC machining centers

CNC machining aluminum parts

CNC machining aluminum parts is a common manufacturing process used across various industries due to aluminum's lightweight, corrosion resistance, and excellent machinability. CNC machining of aluminum parts offers numerous benefits, including high precision, repeatability, and versatility, making it a preferred method for producing a wide range of components for industries such as aerospace, automotive, electronics, and consumer goods.


We are engaged in precision mould, CNC turning parts, CNC milling parts.  We can make products with material of stainless steel, steel alloy, copper, aluminum, PEEK, bronze alloy, nylon, derlin, PTFE etc. The surface treatment we can handle is anodize, black oxide, powder coating, high polishing and plating.  The minimum tolerance we can make is 0.005-0.01millimetre.  Our engineers are quite experienced and can supply OEM service and aluminum cnc machining service or can give some advices when you need.  Our works are trained and follow ISO standard. So if anything we can help or any further information you need, please don't hesitate to contact us.

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Product Advantages

The process begins with the design of the mold based on the specifications provided for the automotive component. Computer-aided design (CAD) software is used to create a detailed 3D model of the mold. Once the design is finalized, the CAD model is converted into instructions for the CNC machine through computer-aided manufacturing (CAM) software. This programming defines the toolpaths, cutting parameters, and other machining instructions needed to produce the mold.
High-quality materials such as tool steel or aluminum are chosen based on the specific requirements of the mold. These materials are prepared by cutting them into suitable sizes and shapes, ready for CNC machining.
The prepared material is mounted securely onto the CNC machine bed or worktable. The CNC machine is then programmed to execute the machining operations defined in the CAM software. Large-scale CNC machining centers equipped with multi-axis capabilities are often used for machining big dimension and auto molds. The CNC machine precisely removes material from the workpiece using cutting tools such as end mills, ball mills, or specialized mold-making tools. This process involves roughing, semi-finishing, and finishing operations to achieve the desired shape, dimensions, and surface quality of the mold.
CNC machining offers exceptional accuracy and precision, ensuring that the mold dimensions and surface finishes meet tight tolerances required for automotive components. Advanced CNC machines are equipped with features such as high-speed spindles, probing systems, and adaptive control technologies to enhance machining accuracy and efficiency.
After CNC machining, the mold may undergo additional finishing processes such as polishing, grinding, or EDM (Electrical Discharge Machining) to achieve the desired surface finish and texture. Surface treatments such as coatings or heat treatments may also be applied to improve the mold's durability, wear resistance, and release properties.
Throughout the CNC machining process, quality control measures are implemented to ensure that the finished mold meets all dimensional accuracy and quality requirements. This may involve in-process inspections, dimensional measurements, and final inspection using coordinate measuring machines (CMM) or other metrology equipment.
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CNC machining

Our aluminum cnc machining service deliver unmatched precision and quality. CNC Machining Centers have revolutionized the manufacturing industry by offering exceptional precision, efficiency, and versatility.  Precision parts manufacturing plays a crucial role in various industries by providing high-quality components that meet stringent specifications and requirements. Coordinate Measuring Machines (CMMs) have revolutionized the field of dimensional metrology by providing accurate and reliable measurements for quality control and inspection processes.

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CNC machined Aluminum parts

Aluminum is a versatile and widely used material in various industries, thanks to its exceptional properties such as lightweight, corrosion resistance, high strength-to-weight ratio, and excellent thermal conductivity. Aluminum is a relatively easy metal to machine which makes it great for CNC machining. Aluminum has useful properties for machining such as being lightweight, malleable, tractable and overall good durability. It being so light and easy to work with means that it can be used for a wide variety of applications. CNC machined Aluminum parts begin as a raw piece of metal which is cut down bit by bit to create a desired shape or object. This process is done most accurately with a CNC (Computerized Numerical Control) machine which can produce almost any three dimensional object designed via CAD (Computer Aided Design) software.


Aluminum alloys are available in a wide range of grades, each offering unique properties such as strength, ductility, and thermal conductivity. The specific alloy is chosen based on the requirements of the part, such as mechanical strength, weight, and cost considerations.

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Finishing Operations

After the primary machining operations are complete, additional finishing operations may be performed to achieve the desired surface finish, dimensional accuracy, and edge quality. This may include deburring, sanding, polishing, or anodizing to enhance the part's appearance and corrosion resistance.

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Quality Control

Throughout the machining process, quality control measures are implemented to verify dimensional accuracy and part conformance to specifications. This may involve in-process inspections using measurement tools such as calipers, micrometers, or coordinate measuring machines (CMM).

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Do You Have Any Questions? Contact Us Now.

We can offer a one-stop station service, and support the latest in CNC machining and turning processes, can support a high level of part complexity, and provide exceptional surface finishes.  

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