The essence of CNC machining, or Computer Numerical Control machining, lies in its subtractive
manufacturing approach, automatically eliminating material from raw stock based on computer
-generated instructions.
Typically, CNC machines fall into two categories: those that maintain the raw stock in a fixed
position while rotating the cutting tool, and those that rotate the raw stock while maneuvering
it against a stationary tool.
Numerous adaptations and hybrid methods exist, enabling certain machines to utilize both
techniques concurrently, facilitating the production of parts with complex features.
Product Details
Stainless Steel Finishing and Post-Processing
Name | Machining Marks |
Brushed + electropolishing | Removed on Primary surfaces |
Electroless nickel plating | Reduced but visible |
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 |
Black oxide | Visible |
Stainless Steel Machining Services
Our state-of-the-art machine shops are equipped to manufacture tailor-made stainless steel
components utilizing CNC turning machines and 3- and 5-axis CNC milling machines.
Our facilities boast a diverse range of 11 stainless steel types, including Stainless Steel 304,
Stainless Steel 316, Stainless Steel 303, Stainless Steel 17-4PH, Stainless Steel 416,
Stainless Steel 2205 Duplex, Stainless Steel 420, Stainless Steel 440C, Stainless Steel 430,
Stainless Steel 301, and Stainless Steel 15-5, enabling us to meet a wide array of project
requirements.
Common Stainless Steel Materials | |
No. | Properties |
Stainless steel 304/304L | Stainless steel 304L (CNC) has excellent mechanical properties and good machinability. Resistant to most environments and corrosive media. |
Stainless steel 316/316L | Stainless steel 316L (CNC) has similar mechanical properties to 304, with higher corrosion and chemical resistance. Ideal for marine applications. |
Stainless steel 303 | Stainless steel 303 (CNC) has excellent toughness, but lower corrosion resistance than 304. Ideal for high volumes, due to its excellent machinability. |
Stainless Steel 17-4 PH | Stainless steel 17-4 (CNC) - SAE grade 630 - is a precipitation hardening alloy with good corrosion resistance. Can be hardened up to 44 HRC. |
Stainless steel 416 | Stainless steel 416 is magnetic and has a high machinability. |
Stainless steel 2205 Duplex | Stainless steel 2205 Duplex (CNC) is the alloy with the highest strength and hardness. Suitable for applications in severe environments up to 300°C. |
Stainless steel 420 | Stainless steel 420 provides high strength and corrosion resistance. It is the hardest of all stainless steels when hardened. |
Stainless steel 440C | Stainless steel 440C has improved toughness and corrosion resistance due to Carbon and Chromium content. |
Stainless steel 430 | Stainless steel 430 is magnetic and corrosion resistant. |
Stainless steel 301 | Stainless steel 301 is corrosion resistant similar to Stainless steel 304. |
Stainless steel 15-5 | Stainless steel 15-5 has a higher toughness than 17-4, better corrosion resistance and transverse properties compared to other similar martensitic grades. |
CNC Machining Applications
Our extensive production experience, spanning millions of components for diverse applications,
showcases a particular focus and proficiency in the following specialized industries:
1. Aerospace & Aviation: With precision at the forefront, our components meet the rigorous criteria
of the aerospace and aviation sectors, delivering reliability and performance in crucial applications.
2. Automotive: From essential engine components to intricate systems, our proven expertise in
manufacturing high-quality parts significantly contributes to the efficiency and safety of automotive
technologies.
3. Industrial Machinery: Our capabilities extend to the production of components powering industrial
machinery, ensuring durability and precision to meet the multifaceted demands of manufacturing
processes.
4. Consumer Electronics: We excel in crafting components for consumer electronics, actively
contributing to the advancement and functionality of state-of-the-art electronic devices.
5. Robotics & Automation: In the ever-evolving landscape of robotics and automation, our precision
components play a pivotal role, enhancing the seamless operation and efficiency of robotic systems.
6. Medical: Precision takes precedence in the medical industry, and our purpose-designed components
meet the exacting standards of medical applications, fostering continuous progress in healthcare
technology.
Our unwavering dedication to excellence and specialized knowledge within these industries positions
us as a trusted partner, ensuring that our components consistently meet the unique requirements
and standards of each sector.
Company Profile
FAQ's
1. Can make design drawings for me?
While we don't provide a standalone product design service, we do conduct Design for
Manufacturing reviews for all approved orders. This entails working closely with our clients to
optimize their 2D and 3D drawings, addressing design conflicts, and minimizing production costs.
Check out our guidelines on preparing CAD drawings for manufacturing.
2. How does compare to other suppliers on price?
Making direct comparisons may be complex, but as a rule of thumb, We's prices are usually
25-45% more economical for plastic injection mold tools and CNC machined/turned parts in
comparison to suppliers in North America and Europe.
3. What's the general surface texture of CNC milled and turned parts?
Typically, machined milled parts exhibit a surface roughness of around 3.2μm (or 1.6μm for newer
machines). On the other hand, turned parts can achieve a finer surface with a roughness of 0.8μm.
This indicates that the machining speed does not necessarily need adjustment, highlighting the
precision attainable in turning processes.
4. The cost of CNC machining a part is contingent on various factors, including:
1. Material: The choice of material impacts costs, with some materials, like aluminum, being more
cost-effective to machine than others such as Inconel, due to considerations like tool wear and
cutting speeds.
2. Complexity: Parts with intricate features tend to be more expensive to machine.
The complexity of surface shapes, for example, directly influences machining costs.
3. Tolerances: Tighter dimensional tolerances increase the cost of CNC machining. It's crucial to
balance precision requirements with cost considerations to optimize overall expenses.
4. Surface Finish: Attaining mirror finishes necessitates specialized tools and machining strategies,
contributing to increased machining time and associated costs.
5. Quantity: The production volume plays a significant role in cost considerations. Low-volume
production tends to be more expensive per part, as initial setup and programming costs are
amortized over a smaller number of parts.