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Alpha Contract Manufacturing Group’s expertise covers multiple metal spinning techniques, from conventional spinning to advanced CNC metal spinning. Working with leading metal spinning companies, we answer your industrial needs with a blend of classic craftsmanship and cutting-edge technology, utilizing advanced metal spinning machines to achieve a high level of precision.
Working with an array of materials (steel, stainless steel, copper, or softer metals like aluminum), our metal spinning processes are tailored to fit your specific design, shape, and diameter requirements. Whether you’re in high-volume production or specialized runs, we adapt our metal spinning applications to offer a custom metal spinning process that fits your needs like a glove. Subcontracting to ACMG offers organization many advantages:
Manual metal embossing is an enduring method that forms a crucial part of our current metal spinning offerings. Our manual techniques provide a rich flexibility in design and consistent quality across an extensive type of metal, including popular materials like copper, brass, and galvanized steel. From basic hand metal spinning to more automated methods, we’ve got it all under one roof.
Our top-of-the-line industrial rollers, and pressure pads enable us to meet the stringent specifications of modern manufacturing. We can handle components as wide as 48” and as thick as 1/8”, fitting various shapes from simple rounded metal pieces to complex symmetrical metal components. This capability underscores our commitment to scalability, whether it’s small batch or large-scale, automated manufacturing. Additionally, we offer the benefits of precision metals, including cost-efficient alternatives to metal stamping.
Our industrial subcontractors offer metal spinning for a variety of metals and alloys:
Flow forming and shear forming precision metalworking, delivering unparalleled control over material, diameter, and thickness for industry leaders. Flow forming excels in producing elongated, work-hardened components with uniform thickness, while shear forming offers seamless, complex shapes with meticulous dimensional fidelity. Embrace the future of manufacturing with these techniques, ensuring superior material efficiency, exceptional part quality, and the agility to meet the demands of tomorrow’s engineering challenges.
Our approach to material and production process takes into account various design considerations, from architectural motifs to more complex designs. We excel in forming complex shapes as well as more common shapes like concentric forms. In terms of the diameters involved, our capabilities range from handling small diameter pieces to larger diameter spinning projects. Get a quote today and learn more about our capabilities!
The metal spinning process, a cornerstone of metalworking, transforms a sheet of metal or metal disc into intricate shapes through high-speed rotation and controlled pressure. This operation is conducted on a metal spinning lathe, where a metal workpiece, often a circular blank of steel, stainless steel, or aluminum, is spun at high speeds. Tools, specifically designed for metal spinning, apply pressure to mold the metal over a form or mandrel, producing finished sheet metal products with varying diameters and thicknesses. This process showcases the flexibility of metalworking, allowing for the creation of complex shapes from a range of metals and alloys, including soft metals and ductile metal. The capabilities of metal spinning range from crafting simple cylindrical shapes to more complex forms like cones, hemispheres, and funnels, emphasizing its adaptability in metal fabrication.
Metal spinning is categorized into hot and cold processes based on the temperature at which the metal is formed. Hot spinning involves heating metals to high temperatures to improve their ductility, especially useful for high carbon steel or other alloys with high tensile strength. Cold spinning, on the other hand, is performed at or near room temperature, ideal for metals like aluminum and copper, known for their malleability. Each method has its advantages, with cold spinning often praised for its efficiency and the superior surface finish it imparts on the metal pieces.
The lathe is the backbone of the metal spinning operation, equipped with a spindle, headstock, and tailstock. It’s designed to spin the metal workpiece, whether it’s a tube of metal or a flat disc, at the necessary speeds to form the desired component. Modern lathes, especially those controlled by computer numerical control (CNC) systems, offer unparalleled accuracy and automation capabilities, enhancing the precision and efficiency of the metal spinning process.
Roller tools, essential in shaping the spinning metal, exert pressure against the workpiece as it rotates, conforming it to the mandrel’s shape. These tools, varying in size and form, are critical for manipulating the thickness and diameter of the metal, enabling the production of a wide range of metal spinnings from tanks and cylinders to more detailed equipment components.
Metal spinning excels in producing a variety of components, from stainless steel tanks to spun aluminum funnels and copper cones. This process is integral industries such as aerospace and automotive, where the demand for precision and strength in metal parts is paramount. The versatility in the metal spinning range allows for the creation of both standard and Custom Metal preforms, facilitating the manufacture of ductile metal bowls, hot-rolled steel tubes, and much more. These examples underscore metal spinning’s role in delivering high-quality, complex shapes for a myriad of applications.
The optimal speed for metal spinning is determined by the Type of Metal and its properties, including thickness, diameter, and tensile strength. Soft metals like aluminum may be spun at higher speeds due to their lower shear strength, facilitating easier deformation into the desired shapes. Conversely, harder metals such as stainless steel or high carbon steel require slower speeds to ensure the integrity of the metal piece and the tooling. The precise control of speed, facilitated by advancements in CNC lathe technology, is crucial for achieving the desired accuracy and surface finish in the final component.
Metal spinning offers numerous advantages, including cost efficiency, versatility in design, and reduced material waste. This process is capable of handling a wide volume of production, from small-scale projects to Large-scale production, without compromising on the quality or structural integrity of the metal spinnings. The ability to quickly adapt designs and make adjustments mid-project is particularly valuable in industries requiring rapid prototyping, such as aerospace and automotive. Furthermore, the enhanced material properties achieved through the spinning process, such as increased strength and improved surface finish, make metal spinning a preferred method for crafting high-quality components. Despite its many benefits, conventional spinning and automated processes like stamping may be more suitable for high-volume production due to their faster turnaround times.
While metal spinning is celebrated for its precision and flexibility, there are instances where alternative manufacturing processes, such as stamping, cutting, or forging, may be more appropriate. Large-scale production runs benefiting from the automation and speed of stamping and cutting processes might find metal spinning less efficient due to its more time-intensive nature. However, for projects demanding custom shapes, specific alloys, or particular design intricacies, metal spinning remains unmatched in its capabilities.
The use of spun metal parts spans a broad spectrum of industries, from aerospace and defense to architectural design and automotive manufacturing. The process’s ability to work with popular metals, including hot-rolled and cold-rolled steel, galvanized steel, and various aluminum alloys, makes it indispensable for producing components with specific design requirements, strength, and durability. Whether it’s the fabrication of a stainless steel tank, the crafting of lightweight aluminum cylinders, or the production of complex metal shapes for equipment, metal spinning proves to be a pivotal technique for metalworking companies, offering unmatched versatility and precision in the creation of metal components.