Brass CNC Machining Service

Get a fast quote for precision CNC machined brass parts from Tuowei Precision. From rapid prototypes to production runs, we deliver custom components with consistent accuracy and surface finishes tailored to your requirements.

CNC machined brass dome housing with a flanged top, central bore, threaded holes and a threaded side port, polished

Brass in CNC Machining

Brass is an alloy of copper and zinc widely used in CNC machining for its excellent machinability, corrosion resistance, and attractive golden appearance. It supports efficient cutting and smooth surface finishes, making it suitable for detailed, precision components. Leaded brass grades further improve machinability by promoting easier chip formation and reducing cutting resistance. These properties make CNC machined brass parts a practical choice for fittings, valves, connectors, and other mechanical components, with suitable grades also used in marine applications.

Available BrassBrass C27400, C28000, C36000
السعر$
المهلة الزمنيةأقل من 10 أيام
سُمك الجدار0.75 مم
التفاوتات المسموح بها±0.125 مم (±0.005 بوصة)
الحد الأقصى لحجم الجزء200 × 80 × 100 سم
CNC machined brass angle bracket with a large circular bore and a countersunk mounting hole, polished finish

Brass CNC Machining Materials

Brass C27400

Brass C27400, also known as yellow brass, offers a balance of strength, ductility, and an attractive appearance. Its excellent cold-forming properties make it suitable for fasteners and industrial components that require reliable mechanical performance and good formability.

حد الانصياع (ميغا باسكال)
150–280
مقاومة التعب (ميغا باسكال)
110
الاستطالة عند الكسر (%)
50–60
الصلابة (برينل)
55–80
الكثافة (جم/سم³)
8.47

Brass C28000

Brass C28000, commonly called Muntz metal, combines strength and durability with a distinctive golden appearance. It is used in architectural hardware, industrial components, and selected marine applications where its mechanical properties and corrosion performance suit the operating conditions.

حد الانصياع (ميغا باسكال)
255–345
مقاومة التعب (ميغا باسكال)
115
الاستطالة عند الكسر (%)
40–50
الصلابة (برينل)
75–95
الكثافة (جم/سم³)
8.53

Brass C36000

Brass C36000 is a free-cutting alloy widely used for precision CNC machining. Its lead content improves machinability, supporting efficient cutting, detailed features, and smooth surface finishes. Common applications include threaded fittings, fasteners, valve components, and custom screw-machined parts.

حد الانصياع (ميغا باسكال)
120–315
مقاومة التعب (ميغا باسكال)
135
الاستطالة عند الكسر (%)
20–55
الصلابة (برينل)
60–130
الكثافة (جم/سم³)
8.50

Advantages and Limitations of Brass CNC Machining

Brass is a versatile material for custom CNC parts, offering efficient machining, corrosion resistance, and an attractive appearance. Evaluating its advantages and limitations helps you choose the right alloy for your project.

المزايا
  • Efficient Machining: Suitable brass grades allow fast cutting, precise features, and smooth finishes for custom components.

  • مقاومة التآكل: Brass performs well in many environments, with resistance depending on the alloy and operating conditions.

  • Visual Appeal: Its natural golden appearance makes it suitable for decorative hardware and exposed mechanical parts.

  • التوصيل الحراري والكهربائي: Brass transfers heat and conducts electricity, supporting applications such as connectors and terminals.

  • Broad Applications: CNC machined brass components are used in plumbing, electronics, automotive systems, and industrial equipment.

القيود
  • Material Cost: Brass can be more expensive than some alternative metals, increasing raw material costs.

  • Risk of Dezincification: Certain brass grades may lose zinc in corrosive environments, reducing the material’s strength and service life.

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التفاوتات المسموح بها في التصنيع باستخدام الحاسب الآلي

تعمل ماكينات التحكم الرقمي بنظام التحكم الرقمي لدينا بتفاوتات تفاوتات دقيقة تفي بمعايير الصناعة، مما يضمن دقة كل جزء بدقة متناسقة وملائمة تمامًا مع المكونات الأخرى.

نوع الميزةالتسامح النموذجي
التسامح العام للأبعاد العامة±0.025 مم (±0.001 بوصة)
تحمّل عالي الدقة±0.005 مم (±0.0002 بوصة)
قطر الحفرة (مثقوبة)±0.05 مم (±0.002 بوصة)
قطر الفتحة (معاد تثبيته/مملول)±0.01 مم (±0.0004 بوصة)
قطر العمود (المشغول بالخراطة)±0.01 مم (±0.0004 بوصة)
التسطيح0.02 مم لكل 100 مم
التوازي± 0.02 مم
التعامد± 0.02 مم
خشونة السطح (Ra)1.6–3.2 ميكرومتر (63–125 ميكرون بوصة)
التسامح الموضعي± 0.01 مم إلى ± 0.02 مم
تفاوت اللولب (القطع)6H / 6g (ISO) أو الفئة 2A/2B (ANSI)
الحد الأدنى لحجم الميزة0.5 ملم (0.020 بوصة)
التكرار±0.005 مم (±0.0002 بوصة)

Brass CNC Machining FAQs

Yes. Brass combines good machinability, corrosion resistance, and an attractive finish. Choosing the right grade makes it suitable for precision components such as fittings, connectors, fasteners, and valve parts.

Machinability depends on the alloy. Free-cutting grades such as C360 are particularly suitable for efficient machining, offering good chip control and smooth finishes on detailed components.

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.

Free-cutting brass can offer excellent machining performance, but the comparison depends on the specific alloys and tooling. Part geometry, chip formation, and finish requirements also influence which material is easier to machine.

Use suitable, sharp cutting tools and secure the workpiece firmly. Match speeds and feeds to the alloy, maintain effective chip removal, and inspect critical dimensions and surface finishes throughout production.