Stainless Steel CNC Precision Milling Parts CNC Custom Oem Machining Service CNC
Steel Parts
CNC milling machines are engineered for exacting manufacturing and consistency, making them
ideal for rapid prototyping and small to large-scale production. Their versatility extends to various
materials, ranging from common aluminum and plastics to more specialized options like titanium,
making CNC mills suitable for a wide range of applications.
Product Details
CNC machining materials are generally grouped into three primary categories: plastics, soft metals,
and hard metals. This classification includes materials such as aluminum, bronze, copper, ceramics,
plywood, steel, stone, wood, zinc, and various others.
Preference is often given to materials that are considered easy to work with and possess
advantageous properties compared to alternative options.
| Common Materials for CNC Machining |
| Material | Properties |
| Aluminum | 2024: Good fatigue resistance and strength; excellent toughness at moderate to high strength levels; improved fracture toughness |
| 6061: Excellent machinability, low cost, and versatility |
| 7075: High strength, hardness, low weight, and heat tolerance |
| Stainless Steel | Excellent machinability and outstanding uniformity; good workability and weldability, high ductility and formability |
| Steel Alloy | Mix of chromium, molybdenum, and manganese yields toughness, good torsional and fatigue strength |
| Brass | Versatile and highly attractive copper/zinc alloy with warm yellow color accommodates severe forming/drawing |
| Titanium | Excellent strength to weight ratio, used in aerospace, automotive, and medical industries |
| Copper | High ductility and high electrical and thermal conductivity; develops attractive blue-green surface patina over time |
| ABS | Excellent impact resistance, good mechanical properties, susceptible to solvents |
| Nylon | Excellent mechanical properties, high toughness, poor moisture resistance |
| POM | High stiffness, excellent thermal & electrical properties, relatively brittle |
CNC Machining Tolerances
Tolerances are not standardized across all processes and materials.
The final tolerances on your part depend on various factors, such as part size, design complexity,
the number and size of features, materials used, surface finish, and the manufacturing process
employed.
Once your order is confirmed, we conduct a Design for Manufacturing review to identify areas that
may need modification for better manufacturability.
It's helpful if you can specify which areas in your design have critical tolerances that must be met
and which can be adjusted, if necessary, to optimize production time and cost.
| CNC Milling Tolerances |
| Limits for nominal size | Plastics | Metals |
| 0.5mm* to 3mm | ±0.1mm | ±0.05mm |
| Over 3mm to 6mm | ±0.1mm | ±0.05mm |
| Over 6mm to 30mm | ±0.2mm | ±0.10mm |
| Over 30mm to 120mm | ±0.3mm | ±0.15mm |
| Over 120mm to 400mm | ±0.5mm | ±0.20mm |
| Over 400mm to 1000mm | ±0.8mm | ±0.30mm |
| Over 1000mm to 2000mm | ±1.2mm | ±0.50mm |
| Over 2000mm to 4000mm | ±2.0mm | |
| *Please clearly indicate tolerances for nominal sizes, below 0.5mm on your technical drawing. |
Specialist industries
1. Prototypes:
CNC machining is a preferred method for creating prototypes, providing a high level of accuracy
and allowing for the testing and validation of designs.
2. Titanium Pieces:
The unique properties of titanium make it challenging to machine accurately. CNC machining excels
in creating precise titanium pieces, crucial in aerospace, medical, and other industries.
3. Woodworking:
CNC machining finds applications in woodworking, enabling the creation of intricate and finely
detailed wood products.
The accuracy of CNC machining makes it a versatile and indispensable tool across industries,
facilitating the production of high-quality and intricate components for various applications.
Company Profile
FAQ's
1. Why choose CNC machining?
CNC machining stands out for its numerous benefits, making it a preferred choice in manufacturing:
1. Speed: CNC machining provides a fast production process, allowing for the efficient creation of
end-use parts.
2. Accuracy: The precision and accuracy of CNC machining ensure high-quality, reliable parts that
meet stringent specifications.
3. Versatility: CNC machining is highly versatile, capable of handling a diverse range of materials
and intricate part designs with ease.
4. Cost-Effective: One of the key advantages is its cost-efficiency. CNC machining eliminates the
need for costly hard tooling and elaborate setups, making it a cost-effective solution for various
production volumes.
2. What tolerances can I achieve with CNC machining?
With CNC machining, our standard tolerances are set at 0.05 microns, catering to the needs of
most commercial and industrial applications. For special projects that demand even tighter tolerances,
feel free to consult with us. We are committed to accommodating unique requirements and ensuring
precision according to your specifications.
3. How long does delivery time and quotation take?
The delivery time for parts is determined by their complexity:
Low-complexity parts: 2-3 days
Moderate-complexity parts: 2-5 days
High-complexity parts: 5-15 days
Quoting time varies based on design complexity:
Simple designs: 1 business day or faster
Moderate to complex designs: 3+ business days
Feel free to reach out for an assessment and quote for your design. Contacting our team will ensure
a prompt response.
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