Milled CNC Parts Custom CNC Precision Machining Copper Milling Service Part
CNC machining is presently the prevailing subtractive manufacturing technology, offering a
highly adaptable and sturdy method for crafting tailored metal and plastic components.
Employing CAD models, CNC machines meticulously eliminate material from a solid block using
various cutting tools.
In essence, CNC machining yields components with precise tolerances and remarkable material
characteristics. It is well-suited for individual projects and moderate-volume production
(up to 1,000 parts) owing to its exceptional repeatability.
Nevertheless, it entails more design constraints compared to 3D printing, partially attributable
to the subtractive nature of the technology.
Product Details
| Common Copper Materials |
| No. | Properties |
| Copper C110 | Copper (C110) is a pure at 99.90% copper alloy, with universal for electrical applications high thermal conductivity and good corrosion resistance. |
| Copper C101 | Copper (C101), 99.99% pure, is a copper alloy with excellent conductivity and high corrosion resistance and toughness. |
We specialize in the production of custom-made products and offer surface treatment services
tailored to meet our customers' specific requirements and industry standards.
Our comprehensive solutions are both efficient and cost-effective, making us a one-stop
destination with the capacity and capability to provide integrated services.
| Name | Machining Marks |
| As machined | Visible, light surface scratches |
| Smooth machining | Visible, light surface scratches |
| Fine machining | Slightly visible |
| Polishing | Removed on primary surfaces |
| Bead blasting | Removed for non-cosmetic, removed on primary surfaces for cosmetic |
| Brushing | Reduced for non-cosmetic, removed on primary surfaces for cosmetic |
| Powder coating | Removed
|
CNC Machining Applications
1. Medical:
Precision is paramount in the medical industry, and CNC machining is widely employed to
manufacture intricate components for medical devices and equipment.
2. Electronics:
The electronics industry benefits from CNC machining for the production of precise components
used in electronic devices, ensuring the functionality and reliability of the end products.
3. Defense:
The defense sector utilizes CNC machining for the production of accurate and durable components
used in military applications, ensuring the reliability and performance of defense systems.
4. General Manufacturing:
CNC machining is widely adopted in general manufacturing, contributing to the production of a
broad range of components used in various applications across industries.
CNC machining's versatility, precision, and efficiency make it a crucial manufacturing process in
these industries, contributing to the production of high-quality components essential for diverse
applications.
Company Profile
FAQ's
1. Machined Parts Tolerances Overview:
Our tolerances for machined parts are as follows:
Local tolerances of +.005”/- .005” are applicable across most geometries in metals, with a
variation of +/- 0.010" for plastics. Tolerances may differ for large parts, particularly
concerning flatness over large parts after heat treatment.
For "As Milled" finish, a minimum surface finish of 125 is required for CNC parts.
All fabricated parts adhere to a dimensional tolerance of 0.010” and an angular tolerance of 1°.
Tapped holes not explicitly called out as features on the quoted CAD model may be machined to
the diameters specified in that model.
Surface treatments (e.g., anodize, bead blast, iridite, powder coat, etc.) will not be applied unless
explicitly paid for and acknowledged.
2. What's the general surface texture of CNC milled and turned parts?
In the realm of CNC machining, the general surface texture of as-machined milled parts typically
exhibits a roughness of approximately 3.2μm (1.6μm for relatively new machines).
On the other hand, turned parts can achieve a finer surface with a roughness of 0.8μm.
Notably, this level of surface quality is attained without the need to adjust the machining speed.
3. Understanding CNC Machining Costs:
The cost of CNC machining a part is influenced by various factors, including:
1. Material: The choice of material significantly impacts cost. Machining materials like Inconel are
more expensive due to increased tool wear and slower cutting speeds compared to materials like
aluminum.
2. Complexity: Parts with complex features are more expensive to machine. For instance,
components with intricate surface shapes incur higher costs than those with flat surfaces.
3. Tolerances: Tight dimensional tolerance requirements contribute to higher costs.
Over-specifying tight tolerances on non-critical features can increase CNC machining expenses.
4. Surface Finish: Achieving mirror finishes demands specialized tooling and machining strategies,
prolonging machining time and elevating costs.
5. Quantity: Low-volume production is inherently costlier per part than large-volume production.
The higher fee stems from spreading initial setup and programming costs over fewer parts.
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