Product classification
Aluminum Machinery Parts
High strength (such as TC4 tensile strength ≥ 900MPa), high temperature resistance, but extremely poor thermal conductivity (only 7W/m · K).
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Details Introduction
Material characteristics and processing challenges
Characteristic
Lightweight (density 2.7g/cm ³), excellent thermal conductivity, but soft alloys (such as 6061) are prone to sticking to knives.
Aluminum alloys (such as ADC12) contain hard particles that accelerate tool wear.
Processing advantages
High speed cutting (spindle speed can reach 20000 RPM or more);
The surface roughness can easily reach Ra0.8 μ m or below.
Typical application areas
| Material | Applied economy | Example of representative parts |
| Aluminum alloy | Aerospace skins, automotive engine cylinder blocks, consumer electronics casings | Drone frame, phone frame |
CNC machining methods and process optimization
Tool selection and parameter design
Tool: Diamond coated milling cutter (life increased by 5-10 times);
Parameters: High speed cutting (speed 12000-24000 RPM), small cutting depth (0.5-2mm).
Cooling and lubrication technology
Water based cutting fluid: suitable for aluminum alloys and copper, balancing cooling and cleaning;
Oil based cutting fluid: used for stainless steel and titanium alloys to reduce cutting temperature;
High pressure gas cooling: prevents chemical reactions between materials and cutting tools during titanium alloy processing.
Special Process Technology
High speed milling (HSM)
For thin-walled aluminum alloy parts, small cutting depth and high speed (such as 20000 RPM) are used to reduce deformation.
Car milling composite processing
Titanium alloy complex curved parts (such as impellers) can complete multiple processes in one clamping, with an accuracy of ± 0.01mm.
Micro processing
Copper micro heat sinks use tools with a diameter of 0.1mm, and the spindle speed needs to exceed 50000 RPM.
Common Problems and Solutions
Titanium alloy cutting tools with broken edges
Reason: The cutting speed is too low or the tool rake angle is too small;
Solution: Increase the speed to over 15000 RPM and switch to a sharp tool with a front angle of 15 °.
Future Development Trends
1. Intelligent machining system: Real time monitoring of cutting force and temperature through sensors, automatic optimization of parameters (such as Adaptive CNC);
2. Green manufacturing: promote micro lubrication (MQL) technology to reduce cutting fluid pollution;
3. Additive subtractive composite processing: Integration of 3D printing and CNC precision machining of titanium alloy aviation parts.
Aluminum machinery parts are widely used due to their lightweight properties, high strength, and excellent corrosion resistance. These parts are ideal for industries such as automotive, electronics, and industrial equipment. With advanced CNC machining technology, aluminum components can achieve precise dimensions, smooth finishes, and stable performance.
The manufacturing process includes high-quality material selection, precision cutting, milling, drilling, and surface treatment to ensure durability and consistency. Aluminum parts can also be customized according to specific drawings or technical requirements, making them suitable for various applications. Their cost-effectiveness and reliability make them a preferred choice in modern manufacturing.
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