Metal Spinning
HENGSHENG SPINNING
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As your strategic Original Equipment Manufacturing (OEM) partner, HS Metal Spinning offers industry-leading capacity for max diameter metal spinning. Forming oversized, rotationally symmetrical components requires massive mechanical force and specialized engineering to manage material flow across large surface areas. Our facility houses some of the industry’s most capable CNC spinning lathes, allowing us to form blanks up to 4 meters in diameter. Whether your project involves architectural domes or heavy-duty industrial venturis, we process high-performance materials including Aluminum (Melting Point 660°C), Stainless Steel (Density 8.00 g/cm3), and Carbon Steel (Density 7.85 g/cm3) to deliver seamless, single-piece components with unmatched structural reliability.
Scaling up the spinning process provides unique structural and logistical benefits for large-scale industrial projects:
The primary advantage of max diameter metal spinning is the elimination of welds. For parts like pressure vessel ends or aerospace housings, a seamless construction removes potential points of failure and stress risers. This monolithic structure is significantly stronger than fabricated assemblies made of multiple welded segments.
At diameters exceeding 2 meters, the cost of traditional stamping or pressing dies becomes astronomical. Metal spinning uses a single-sided mandrel. This significantly reduces the initial capital investment, making custom large-diameter geometries financially viable for both prototypes and production runs.
Large rotating components, such as fan inlets or turbine shrouds, must be perfectly balanced. Our CNC process ensures that even at max diameter, the part maintains perfect rotational symmetry. This reduces vibration and extends the mechanical life of the final assembly.
The spinning process work-hardens the material. For large-scale parts, this means we can often achieve the required structural strength using a slightly thinner, lighter-weight blank than would be required for a cast or welded part, leading to significant material cost savings.
Handling parts up to 4 meters requires a specialized, safety-focused manufacturing workflow:
We use advanced software to simulate material thinning and stress distribution across the large surface area. This ensures that the chosen starting gauge will successfully reach the max diameter without compromised integrity.
For large-scale runs, we fabricate high-strength mandrels (often from cast iron or tool steel) capable of withstanding the massive hydraulic forces required to flow thick-gauge metal over a large radius.
Our lathes utilize multi-roller systems to apply tons of pressure. The CNC system monitors the material’s ductility in real-time, adjusting the spin path to maintain uniform wall thickness from the center out to the maximum diameter.
To ensure dimensional accuracy, we perform precision CNC trimming of the outer diameter while the part is still mounted. We can also integrate large-scale flanges or beads for mounting and structural reinforcement.
We verify final dimensions using large-format coordinate measuring machines (CMM) and laser scanning technology, ensuring that even a 4-meter part meets tolerances as tight as +/- 1.0 mm.

Our current equipment capability allows us to produce rotationally symmetrical parts with a maximum diameter of 4 meters (approx. 157 inches).
Yes. We frequently spin Stainless Steel (Boiling Point 2800°C) at large diameters for the chemical and food processing industries, where seamless, corrosion-resistant surfaces are required.
We have extensive experience in oversized logistics. We provide custom-built crates and coordinate with specialized freight carriers to ensure your large-diameter components arrive safely at your facility.
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.
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.

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:
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.
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.
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.

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 Max Diameter Metal Spinning 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 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.

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.
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.
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.
HS Metal Spinning is ready to be your dedicated partner for max diameter metal spinning, providing the massive CNC capacity and engineering precision required to deliver your largest and most complex metal components. Contact us today to discuss your specific requirements and receive a personalized quote.
As your strategic Original Equipment Manufacturing (OEM) partner, HS Metal Spinning offers industry-leading capacity for max diameter metal spinning. Forming oversized, rotationally symmetrical components requires massive mechanical force and specialized engineering to manage material flow across large surface areas. Our facility houses some of the industry’s most capable CNC spinning lathes, allowing us to form blanks up to 4 meters in diameter. Whether your project involves architectural domes or heavy-duty industrial venturis, we process high-performance materials including Aluminum (Melting Point 660°C), Stainless Steel (Density 8.00 g/cm3), and Carbon Steel (Density 7.85 g/cm3) to deliver seamless, single-piece components with unmatched structural reliability.
Scaling up the spinning process provides unique structural and logistical benefits for large-scale industrial projects:
The primary advantage of max diameter metal spinning is the elimination of welds. For parts like pressure vessel ends or aerospace housings, a seamless construction removes potential points of failure and stress risers. This monolithic structure is significantly stronger than fabricated assemblies made of multiple welded segments.
At diameters exceeding 2 meters, the cost of traditional stamping or pressing dies becomes astronomical. Metal spinning uses a single-sided mandrel. This significantly reduces the initial capital investment, making custom large-diameter geometries financially viable for both prototypes and production runs.
Large rotating components, such as fan inlets or turbine shrouds, must be perfectly balanced. Our CNC process ensures that even at max diameter, the part maintains perfect rotational symmetry. This reduces vibration and extends the mechanical life of the final assembly.
The spinning process work-hardens the material. For large-scale parts, this means we can often achieve the required structural strength using a slightly thinner, lighter-weight blank than would be required for a cast or welded part, leading to significant material cost savings.
Handling parts up to 4 meters requires a specialized, safety-focused manufacturing workflow:
We use advanced software to simulate material thinning and stress distribution across the large surface area. This ensures that the chosen starting gauge will successfully reach the max diameter without compromised integrity.
For large-scale runs, we fabricate high-strength mandrels (often from cast iron or tool steel) capable of withstanding the massive hydraulic forces required to flow thick-gauge metal over a large radius.
Our lathes utilize multi-roller systems to apply tons of pressure. The CNC system monitors the material’s ductility in real-time, adjusting the spin path to maintain uniform wall thickness from the center out to the maximum diameter.
To ensure dimensional accuracy, we perform precision CNC trimming of the outer diameter while the part is still mounted. We can also integrate large-scale flanges or beads for mounting and structural reinforcement.
We verify final dimensions using large-format coordinate measuring machines (CMM) and laser scanning technology, ensuring that even a 4-meter part meets tolerances as tight as +/- 1.0 mm.

Our current equipment capability allows us to produce rotationally symmetrical parts with a maximum diameter of 4 meters (approx. 157 inches).
Yes. We frequently spin Stainless Steel (Boiling Point 2800°C) at large diameters for the chemical and food processing industries, where seamless, corrosion-resistant surfaces are required.
We have extensive experience in oversized logistics. We provide custom-built crates and coordinate with specialized freight carriers to ensure your large-diameter components arrive safely at your facility.
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.
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.

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:
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.
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.
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.

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 Max Diameter Metal Spinning 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 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.

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.
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.
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.
HS Metal Spinning is ready to be your dedicated partner for max diameter metal spinning, providing the massive CNC capacity and engineering precision required to deliver your largest and most complex metal components. Contact us today to discuss your specific requirements and receive a personalized quote.