Dongguan Yexin Intelligent Technology Co., Ltd.
Precision in Every Part, Excellence in Every Detail
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OEM Hardware CNC Turning Steel Small Metal Parts Fabrication Quick Turn Machining
CNC Turning Service Truning Machining CNC Part
Our CNC machining capabilities encompass a wide range of part types, from straight forward
"as-machined" workholding components to intricate geometries.
We utilize a diverse array of CNC milling and turning centers, with EDM and grinding options available
upon request. We can accommodate tolerances as tight as 0.05 mm (0.0020 in), and our delivery
times start from just 3 business days.
Product Details
| Common Metal Materials for CNC Machining | |
| Metal 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 |
| Copper | High ductility and high electrical and thermal conductivity; develops attractive blue-green surface patina over time |
| Titanium | Excellent strength to weight ratio, used in aerospace, automotive, and medical industries |
| Steel Mild Low Carbon | High machinability and weldability, high stiffness; good mechanical properties, machinability, and weldability at low cost |
| Surface Finishes | ||
| Name | Applicable to | Machining marks |
| As machined | Metals, Plastics | Visible, light surface scratches |
| Smooth machining | ||
| Fine machining | Metals | Slightly visible |
| Polishing | Metals | Removed on primary surfaces |
| Bead blasting | Metals | Removed for non-cosmetic, removed on primary surfaces for cosmetic |
| Brushing | Metals | |
| Anodizing Type II | Aluminum | |
| Anodizing Type III | Aluminum | Visible under anodizing |
| Black oxide | Copper, Stainless steel, Alloy steel, Tool steel, Mild steel | Visible |
| Powder coating | Metals | Removed |
| Brushed + electropolishing | Stainless steel | Removed on Primary surfaces |
CNC Machining Applications
The following industries gain the most from CNC machining:
1. Medical 2. Electronics 3. Publishing
4. Transportation 5. Woodwork 6. Construction
7. Agriculture 8. Aerospace 9. Manufacturing
10. Automotive 11. Firearms 12. Metalwork
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. Can you provide passivation for my parts?
We offer passivation as a treatment option that can modify the surface chemistry of certain types
of metals. This process is utilized for purposes such as corrosion protection, enhancing durability,
improving aesthetics, and more.
3. What are your shipping terms?
Our standard shipping terms are Ex Works (EXW) for both rapid prototyping and regular production
orders.
Under EXW terms, the customer is responsible for all aspects of shipping, customs clearance, and
associated fees once the goods have been dispatched from our facility.
For express shipments, we utilize Delivered Duty Unpaid (DDU) terms. This means that the client is
responsible for settling any import duties upon the goods' arrival at their designated destination.