Brass CNC Machining Service
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El latón en el mecanizado CNC
El latón es una combinación de cobre y zinc que se utiliza habitualmente como aleación en el mecanizado CNC. Este material destaca por su excepcional maquinabilidad, su resistencia a la corrosión y su atractivo aspecto. Es un material muy fácil de mecanizar, lo que permite altas velocidades de avance y unos requisitos mínimos de refrigerante. Con la adición de plomo, el latón se vuelve increíblemente fácil de trabajar, lo que lo convierte en la opción más fácil de mecanizar entre todas las aleaciones de cobre. Estas propiedades hacen que el mecanizado CNC del latón sea una excelente opción para aplicaciones mecánicas que requieran resistencia a la corrosión, como las que se dan en la industria naval.
| Available Brass | Latón C27400, C28000, C36000 |
| Precio | $ |
| Plazo de entrega | Menos de 10 días |
| Grosor de la pared | 0,75 mm |
| Tolerancias | ±0.005″ (±0.125mm) |
| Tamaño máximo de la pieza | 200 cm x 80 cm x 100 cm |
Brass CNC Machining Materials
Latón C27400
Latón C28000
Brass C36000
Tolerancias generales de mecanizado CNC
| Descripción | Tolerancia general o estándar |
|---|---|
| Tolerancias dimensionales generales | ±0.005″ (±0.127 mm) for metals; ±0.010″ (±0.254 mm) for plastics in line with ISO 2768-mK unless otherwise specified |
| Tolerancias estrictas | Down to ±0.001″ (±0.025 mm) available upon request, with detailed 2D drawings and GD&T specifications |
| Tamaño mínimo del elemento | ~0.020″ (0.50 mm), depends on part geometry, tool diameter, and material |
| Tolerancia del diámetro del orificio | ±0.002″ (±0.05 mm) typical; tighter tolerances with boring or reaming |
| Planitud/Paralelismo | ≤0.002″ per 6″ (≤0.05 mm per 150 mm), varies by material and fixture setup |
| Tolerancias de roscado | Roscas métricas e imperiales estándar según ISO/ASME; roscas personalizadas o finas disponibles bajo pedido. |
| Tolerancia angular | ±0,5° típico |
| Estado de los bordes | Los bordes afilados se rompen y desbarban por defecto a menos que se indique lo contrario. |
| Acabado superficial (estándar) | Ra 3,2 μm (125 μin) como mecanizado; acabados mejorados disponibles mediante pulido, granallado, anodizado, etc. |
| Tamaño máximo de la pieza | Milling: Up to 80″ × 48″ × 24″ (2,032 × 1,219 × 610 mm) Turning: Up to 62″ length × 32″ diameter (1,575 × 813 mm) |
Advantages and Limitations of Brass CNC Machining
El mecanizado del latón ofrece numerosas ventajas, lo que lo convierte en una opción muy popular en diversos sectores. Sin embargo, es fundamental tener en cuenta tanto sus ventajas como sus limitaciones para determinar si es el material adecuado para tu aplicación concreta.
- Exceptional Machinability: Brass is highly machinable, allowing for precise and efficient machining.
- Resistencia a la corrosión: It offers high resistance to corrosion, making it suitable for harsh environments.
- Aesthetic Appeal: Its appearance is attractive and ideal for decorative and aesthetic applications.
- Good Conductivity: Brass has excellent thermal and electrical conductivity.
- Versatility: Brass can also be used in various industries, from electronics to plumbing.
- Higher Material Cost: Brass can be more expensive compared to some other metals.
- Potential for Dezincification: In certain environments, brass can suffer from loss of zinc, leading to weakened material.
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Brass CNC Machining FAQs
Is brass a suitable material for machining?
Yes, brass is an excellent material for machining due to its low friction coefficient and excellent machinability. It allows for precise cutting and shaping, making it ideal for detailed and intricate parts.
How is brass rated in terms of machinability?
Recommended cutting speeds for brass vary depending on the specific alloy and machining process. Generally, cutting speeds for brass range between 100 to 300 meters per minute. The appropriate cutting speed helps maintain tool life and achieve a high-quality finish.
What are the recommended cutting speeds for brass?
The appropriate cutting speed depends on the brass grade, tool material, machining operation, and machine setup. Start with the cutting tool manufacturer’s recommendations and adjust for surface finish, chip control, and tool life.
Does brass offer easier machinability than aluminum?
Brass generally offers easier machinability than aluminum. Compared to aluminum, brass has a lower tendency to stick to tools, allowing for faster machining at a lower power. Brass’s lower friction coefficient and superior chip formation result in less tool wear and higher precision during machining operations. Brass C360 is a highly machinable brass alloy, making it commonly referred to as free-machining brass.
Can you provide some tips for CNC machining brass?
To optimize CNC brass machining, consider the following tips:
- Use carbide cutting tools or cutters with carbide: This will help you significantly improve the material removal rate and extend the tool life. Additionally, it will allow you to increase the run speed of mills.
- Apply spindle liners: This protects the workpiece, machine, and operators while minimizing clearance to reduce vibration and bar whip. It also allows the machine to run at higher speeds, ensuring the quality of turned or milled brass parts.
- Maintain proper cutting speeds: Adjust cutting speeds according to the brass alloy and machining process to prevent tool wear and achieve a smooth finish.
- Ensure adequate lubrication: Proper lubrication minimizes friction, reduces heat buildup, and prolongs tool life.
- Optimize tool paths: Plan efficient tool paths to reduce machining time and improve surface quality.