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Laiton

Faible frottement, excellente conductivité électrique, aspect doré.

Brass in CNC Machining

Brass is a combination of copper and zinc, commonly used as an alloy in CNC machining. This material is known for its exceptional machinability, corrosion resistance, and attractive appearance. This material is highly machinable, allowing for high feedrates and minimal coolant requirements. With the addition of lead, brass becomes incredibly easy to work with, making it the most machinable option among all copper alloys. These properties make CNC machining brass a great choice for mechanical applications that need corrosion resistance, like those found in the marine industry.

Prix

$$$

Délai d'exécution :

< 10 jours

Épaisseur de la paroi :

0,75 mm

Tolérances :

±0,125mm (±0,005″)

Taille maximale de la pièce :

200 x 80 x 100 cm

Niveaux disponibles :

Brass C27400, C28000, C36000
Brass C28000
This Muntz Metal is a high-strength, corrosion-resistant brass alloy. It is often used in marine applications and situations where high strength and corrosion resistance are required.
Tensile Strength, Yield (MPa) 255 - 345
Fatigue Strength (MPa) 115
Elongation at Break (%) 40 - 50
Hardness (Brinell) 75 - 95
Density (g/cm³) 8.53
Brass C27400
Brass C27400, also known as Yellow Brass, is a high-strength alloy with excellent corrosion resistance and good mechanical properties. It is commonly used in applications requiring a combination of strength and ductility.
Tensile Strength, Yield (MPa) 150 - 280
Fatigue Strength (MPa) 110
Elongation at Break (%) 50 - 60
Hardness (Brinell) 55 - 80
Density (g/cm³) 8.47

Surface Finishing Options for Brass

Brass CNC turned parts can undergo various surface finishing processes to enhance their appearance, durability, and performance.
  • Tel qu'usiné
  • Sand Blasting
  • Tumbling
  • Electropolish
  • Alodine Finis
  • Electroless Nickel Platin
  • Peinture
  • Revêtement par poudre
  • Electrophoresis
  • Brushed Finish

Pros and Cons of Brass CNC Machining

Brass machining offers numerous advantages, making it a popular choice for various industries. However, it is essential to consider both the benefits and limitations to determine if it is the right material for your specific application.
  • Exceptional Machinability: Brass is highly machinable, allowing for precise and efficient machining.
  • Corrosion Resistance: 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.
  • Exceptional Machinability: Brass is highly machinable, allowing for precise and efficient machining.
  • Corrosion Resistance: 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.
Description
Application
L'usinage CNC permet de produire des pièces aux propriétés mécaniques, à la précision et à la répétabilité excellentes à partir de métal et de plastique. Fraisage CNC à 3 et 5 axes disponible.
Points forts
Excellentes propriétés mécaniques, haute précision et répétabilité
Faiblesses
Restrictions géométriques plus importantes que pour l'impression 3D
Propriétés
Délai d'exécution
< 10 jours
Épaisseur de la paroi
0,75 mm
Tolérances
±0,125mm (±0,005″)
Taille maximale des pièces
200 x 80 x 100 cm

Valeur de la propriété Propriétés mécaniques Résistance ultime à la traction 360 - 370 MPa Limite d'élasticité

Valeur de la propriété Propriétés mécaniques Résistance ultime à la traction 330 - 350 MPa Limite d'élasticité

FAQ

Questions fréquemment posées

Brass FAQs

  • 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.

  • 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.

  • What are the recommended cutting speeds for brass?

    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.

  • How is brass rated in terms of machinability?

    Brass is highly rated for machinability and is often considered one of the easiest materials to machine. Its ease of cutting and minimal tool wear contribute to efficient and cost-effective machining processes.

  • 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.

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