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Spinning and CNC Machining

We are a premier specialist in Spinning and CNC Machining, combining cost-effective metal forming with high-precision finishing. As an ISO 9001 certified OEM partner, HS Metal Spinning uses DFM to optimize the spun pre-form, reducing raw material waste by up to 70%. We then use high-tolerance CNC machining to add critical features like internal threads and sealing flanges, delivering monolithic, high-strength components for aerospace, high-vacuum, and process applications globally.
  • Metal Spinning

  • HENGSHENG SPINNING

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Spinning and CNC Machining Overview


As your strategic Original Equipment Manufacturing (OEM) partner, HS Metal Spinning delivers high-performance solutions through the integration of Spinning and CNC Machining. This hybrid approach leverages the strength of each process: spinning forms a seamless, monolithic structure efficiently, while CNC machining adds critical, high-tolerance features (e.g., threads, precise bores, mounting grooves). We expertly form components—including aerospace headers, precise reflectors, and flanged vessels—from materials like Stainless Steel, Aluminum, and Titanium, guaranteeing cost-efficiency, superior structural integrity, and dimensional accuracy that meets the strictest industry requirements.


Advantages of Our Spinning and CNC Machining Products


Choosing a partner that seamlessly integrates spinning and CNC machining offers significant engineering and procurement advantages:

Material and Cost Savings

Instead of machining a component from a solid, expensive block of metal, we spin the basic shape (like a cup or cone) from a flat blank, reducing raw material waste by up to 70% and drastically cutting machining time.


Superior Structural Integrity

The main body of the part is a seamless, cold-worked structure (spun). CNC machining is then applied only to the critical interface features (like flanges or ports), resulting in a higher strength-to-weight ratio than a heavily fabricated assembly.


High-Tolerance Features

Spinning is excellent for form, but CNC machining is necessary for tight tolerances (0.05mm). Our integration ensures the spun form's rigidity supports the precise cutting of perfectly perpendicular flanges, threaded ports, and sealing surfaces.


Monolithic Form and Finish

The final product is a unified component, combining the smooth, jointless aesthetic of spinning with the precise, high-definition features of machining, all managed under one quality system.


Our Spinning and CNC Machining Technological Process


Operating as a premier source for Spinning and CNC Machining requires a controlled, two-stage workflow:

1. Precision Spinning (Near-Net Shape)

The metal blank is spun on our multi-axis CNC lathes, forming the seamless, near-net cone, dome, or cylinder shape to rapidly establish the final component's major contours.


2. CNC Machining Fixturing

The spun pre-form is transferred and mounted securely onto our high-precision CNC machining centers, ensuring perfect concentricity and minimal runout for all subsequent turning and milling operations.


3. High-Tolerance Turning and Facing

We perform final ID/OD turning and flange facing to achieve the required ±0.05 mm tolerance on critical mounting diameters and sealing surfaces.


4. Coordinate Drilling and Tapping

Precise hole patterns, specialized ports, and internal/external threads are added using our CNC mills and drills, leveraging the structural stability of the spun form.


5. Metrology and CMM Verification

The completed component is removed and undergoes stringent inspection using calibrated Coordinate Measuring Machines (CMMs) to verify both the spun geometry and the final machined features, ensuring compliance across the entire component.

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FAQs about Spinning and CNC Machining


What is the maximum tolerance you can hold after machining the spun part?

We routinely hold tolerances down to 0.05 mm on critical machined features such as diameters, depths, and concentricity, leveraging the spun part's stability.


Does the spinning process affect the machineability of the metal?

The cold-working of the spinning process can increase the material's hardness, which we account for by utilizing specialized cutting tools and optimized CNC programs to ensure a clean, smooth, and precise final cut.


Can you machine internal threads into a spun component?

Yes. Once the spun part is fixtured on the CNC lathe, we can perform all necessary internal machining operations, including boring, grooving, and internal threading, to required specifications.


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Interested in Our High-Quality Product?


Our Core Service: Spinning and CNC Machining Solutions


Our Company HS Metal Spinning has been a dedicated OEM partner since 2014, excelling in high-precision metal forming. We serve as a technical link between architectural vision and industrial execution for firms worldwide.


Our Commitment to Professionalism and Certifications The quality of our Custom Spun Domes is verified by our adherence to global standards. We are proudly ISO 9001 certified, ensuring reliability and quality control necessary for high-visibility and load-bearing architectural components.


Our Factory: A Hub for Spinning and CNC Machining Technology and Precision


Our Self-owned Factory

Spanning over 10,000 m² (over 107,000 sq ft), is designed specifically for large-scale, high-volume OEM production. This robust infrastructure ensures that HS Metal Spinning can deliver rapid turnaround and scalable manufacturing for projects ranging from low-volume prototypes to high-volume production runs, guaranteeing your supply chain remains uninterrupted. Our clean, well-lit, and highly organized environment is a testament to our commitment to a professional manufacturing process. Every piece of equipment is meticulously maintained and regularly calibrated to ensure the highest level of precision.

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Our Equipment

Our facility is equipped with a comprehensive suite of advanced machinery that represents a significant investment in technology and efficiency. These machines allow us to take on complex projects with confidence and precision. The equipment includes:

15 advanced CNC Spinning and CNC Machining machines

The core of our operations, these machines are at the forefront of metal forming technology. With a variety of different models and sizes, our machines can handle a wide range of part diameters and thicknesses. This versatility allows us to produce everything from small, intricate components for electronics to large-scale parts for aerospace and industrial applications. Our machines are capable of executing complex forming sequences with repeatable accuracy, minimizing human error and maximizing efficiency.


3 metal punching machines

These machines provide us with integrated fabrication solutions. We can swiftly and precisely create multiple holes, slots, or other shapes in your spun parts, eliminating the need for a separate, time-consuming process. This capability is vital for components that require specific mounting points or ventilation features.


1 laser cutting machine

This further enhances our in-house capabilities, enabling us to perform precise cuts and create intricate patterns on pre-spun components. The laser cutter provides exceptional accuracy and clean edges, which is crucial for high-quality finished products. HS Metal Spinning also has a full range of essential CNC machines, ensuring we are a turnkey manufacturing solution for all your OEM needs.

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About HS Metal Spinning


Our Company

As a leading OEM partner, HS Metal Spinning is more than just a manufacturer; we are a dedicated partner committed to precision and reliability. Founded in 2014, our company was built on the vision of providing high-quality, cost-effective Spinning and CNC Machining solutions to meet the evolving demands of modern industries. We have since grown to become one of China's largest and most reliable manufacturers in the field, with a reputation for excellence that has earned the trust of clients worldwide.


Our Commitment to Quality and Certifications

Our unwavering commitment to quality is the foundation of our business. This dedication is formally recognized through our industry-leading certifications. We are proud to be ISO 9001 certified, a globally recognized benchmark for our robust quality management systems. This certification ensures that every process, from initial design review to final inspection, is meticulously controlled to deliver consistent, high-quality results. Furthermore, we have the specialized capability to produce AS9100D certified and ITAR registered metal parts. This is a critical distinction that showcases our adherence to the rigorous quality standards required by the aviation, space, and defense sectors, allowing us to serve clients in the most demanding industries. Our team of skilled engineers and technicians works collaboratively to not only meet but exceed these stringent requirements. We believe that true quality is not an accident—it is the result of a deliberate, organized, and deeply committed process.


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FAQs about HS Metal Spinning


How does HS Metal Spinning ensure quality and precision?

Quality is paramount at HS Metal Spinning. Our self-owned factory gives us direct control over every stage of production. We utilize advanced CNC machines for repeatable precision and adhere to a strict quality control process from start to finish. We are also ISO 9001 certified and can provide parts that meet AS9100D and ITAR standards.


What is the typical lead time for a new project?

Lead times vary based on the complexity of the part, material availability, and production volume. We provide a detailed project timeline with every quote. Our extensive factory capacity and efficient processes allow us to offer rapid turnaround times, from prototyping to large-scale production.


How can I request a quote for my project?

Requesting a quote is easy! You can initiate an online quote request directly through our website, or by contacting our sales team via phone or email. Please provide as much detail as possible about your project, including part dimensions, material specifications, required volume, and any design drawings, to help us provide an accurate and competitive price.


Ready to Elevate Your Project with Spinning and CNC Machining?


HS Metal Spinning is ready to be your dedicated partner for Spinning and CNC Machining, offering the integrated process and expertise required to deliver components that are both cost-effective and geometrically superior. Contact us today to discuss your specific requirements and receive a personalized quote.

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Contact Us

    hengsheng@hs-spinning.com
     +86-15961269819
      No.1 Beihan,Jinfeng Village,Hengshanqiao Town,Wujin District,Changzhou City,Jiangsu Province

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