What is the difference between flow forming and metal spinning?

27 Jan.,2024

 

What is the Difference Between Flow Forming and Metal Spinning?

In the world of metalworking, there are various techniques and processes used to shape and form metal parts. Two common methods are flow forming and metal spinning. While these techniques share similarities, they also have distinct differences that set them apart. This article aims to explore the dissimilarities between flow forming and metal spinning, providing a better understanding of their unique characteristics and applications.

H2: Flow Forming.

Flow forming, also known as flow turning or flow turning spinning, is a metalworking process used to manufacture axisymmetric parts. It involves the use of a rotating mandrel and a combination of axial feed and radial flow forming rollers. The process begins with a blank workpiece, typically a cylinder or disc, which is placed on the mandrel and clamped in position. As the mandrel and rollers rotate, the rollers move along the length of the workpiece, pressing it against the mandrel and causing the metal to flow and form into the desired shape.

One of the key advantages of flow forming is the ability to produce complex shapes with high precision and accuracy. Flow forming allows for the creation of thin-walled parts that retain their strength and structural integrity. This technique is commonly used in the automotive, aerospace, and defense industries for the production of wheels, drive shafts, and other cylindrical components.

H2: Metal Spinning.

Metal spinning, also referred to as spin forming or spin turning, is a metalworking technique that involves the rotation of a flat sheet or disc of metal on a spinning lathe. The metal is clamped onto the lathe and then formed into a desired shape by manipulating it with specialized tools such as rollers, mandrels, and spinning chucks.

Unlike flow forming, which primarily deals with cylindrical parts, metal spinning is versatile and can produce both axisymmetric and non-axisymmetric shapes. This flexibility makes metal spinning suitable for creating a wide range of products, including bowls, vases, lampshades, and even automotive body parts. It is often used in the production of prototypes, one-off pieces, and small batch orders due to its cost-effectiveness and quick turnaround time.

While flow forming and metal spinning share similarities in terms of their rotational nature and the use of specialized tools, there are distinct differences between the two techniques.

H2: Differences.

Flow forming and metal spinning differ in several key aspects:

1. Starting Materials: Flow forming typically involves the use of pre-formed blanks, such as cylinders or discs, that are formed into the desired shape. Metal spinning, on the other hand, starts with a flat sheet or disc of metal.

2. Process Complexity: Flow forming requires the use of specialized machinery, including axial feed and radial flow forming rollers, making it a more complex process compared to metal spinning, which can be done on a standard lathe with specific spinning tools.

3. Range of Shapes: While flow forming is ideal for producing cylindrical parts with complex geometries, metal spinning can create a wider range of shapes, both axisymmetric and non-axisymmetric.

4. Cost and Production Volume: Flow forming is generally a costlier process due to the specialized equipment and tooling required. Metal spinning, being a simpler technique, is more cost-effective, making it suitable for smaller production volumes or one-off pieces.

In conclusion, while flow forming and metal spinning are both rotational metalworking processes, they differ in terms of starting materials, process complexity, range of shapes, and cost. Understanding these differences can help manufacturers and designers choose the most appropriate technique for their specific applications.

For more information on flow forming and metal spinning, and to explore how these techniques can benefit your metalworking needs, please contact us.

Are you interested in learning more about steel spinning machine manufacturer, sheet metal spinning machine suppliers, Single Roller CNC Metal Spinning Machine? Contact us today to secure an expert consultation!