Dongguan Yexin Intelligent Technology Co., Ltd.
Precision in Every Part, Excellence in Every Detail
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Custom CNC Milling Machining Services Stainless Steel CNC Machining Milling Parts
Our CNC mills, or CNC milling machines, are capable of producing parts in almost any shape,
using a variety of materials.
From soft metals like aluminum to tougher metals like steel, and even plastics such as acetal,
we provide cost-effective milling services.
Whether you require a single part, a batch of prototypes, or a full production order,
we have you covered.
Product Details
We have experience working with a wide range of materials, including carbon alloys, aluminum,
brass, stainless steel, high-nickel alloys, and engineered plastics.
If you're unsure about the best material for your specific application or if you're considering a
material that isn't listed here, our team can provide guidance and assistance.
| 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 | |
| Brass | Versatile and highly attractive copper/zinc alloy with warm yellow color accommodates severe forming/drawing |
| Copper | High ductility and high electrical and thermal conductivity; develops attractive blue-green surface patina over time |
| 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 |
| Steel Mild Low Carbon | High machinability and weldability, high stiffness; good mechanical properties, machinability, and weldability at low cost |
| Titanium | Excellent strength to weight ratio, used in aerospace, automotive, and medical industries |
| 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 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. | ||
CNC Machining Applications
CNC milling is employed to fabricate products composed of glass, metal, plastic, wood, and
custom-designed components.
Machinists utilize this process to create prototypes and items for various industries, including
aerospace, automotive, hardware startups, manufacturing, medical devices, robotics, and others.
Company Profile
FAQ's
1. What tolerances can be achieved?
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.
Here are some general tolerance guidelines:
General tolerances for CNC machining in metal and plastic.
Tolerances for plastic injection molding.
Reference charts for CNC machining of metals and plastic injection molding materials.
General tolerance for metal 3D printing is +/- 0.5mm.
A shrinkage rate of +/- 0.15% can be expected for vacuum casting.
All manufacturing and technical specifications must be clearly defined in the 2D drawings to
be followed accurately.
2. How does you ensure part quality?
Upon order confirmation, we conduct a comprehensive Design for Manufacturing (DFM) review
to identify and address any potential issues that could impact part quality.
We meticulously inspect and verify incoming materials using advanced testing equipment.
We provide final inspection reports prior to shipment.
Our real-time inspection data sharing capabilities allow us to collaborate with you in addressing
any quality concerns that may arise during production.
3. Advantages of CNC Machining
1. Fast and Repeatable
Quick removal of large amounts of metal material, parts ready as fast as 1 day
2. Accuracy
High-precision tolerances ranging from +/-0.005″ – 0.01″, depending on customer specs.
3. Wide Range of Materials
Choose from over 50 metal and plastic materials.
4. Scalable Volume
CNC Machining has scalable volumes for production of 1-100,000 parts.
5. Custom Surface Finishes
Suitable for many different kinds of substrates, make your parts just the same as real products.
6. Cost Saving
Low investment in tooling and preparation costs, economical for parts with simple structure.