Expanded Metal Mesh Manufacturing Process
Expanded metal mesh is manufactured by feeding metal sheet into an expanding machine, which forms a uniform opening pattern. After leveling and cutting to size, the dimensions are checked against the required range before surface treatment and packing.
A die, also called a knife or blade, presses and repeatedly stretches the metal sheet to form consistent openings. During production, the expanding equipment operates semi-automatically, with workers feeding the material and packing the finished product.
Expanded metal is produced with an expanding machine that transforms solid metal sheets and coils into mesh. The machine uses a knife, also called a blade, to determine the mesh pattern. As the metal passes through the machine, it is simultaneously slit and stretched.
Raised and Flattened Expanded Metal Mesh
Raised Expanded metal mesh features diamond-shaped openings and a raised surface. It can be flattened or used directly for safety-grating walkways where slip resistance is required.
Flattened expanded metal mesh is produced from raised expanded metal mesh using a leveling or cold-rolling machine. Its smooth surface makes it suitable for applications such as decoration or filtration.
- Strength Flattened expanded metal mesh is generally considered stronger than the standard type. The flattening process increases the surface area and reduces the thickness of the metal, resulting in a more rigid and durable product.
- Thickness The thickness of expanded metal mesh is an essential factor in determining its strength and durability. Standard expanded metal mesh typically comes in thicknesses ranging from 0.03 inches to 0.25 inches. Flattened expanded metal mesh is generally thinner and lighter than the standard type, making it easier to fabricate and install.
- Standard Pattern The form that expanded metal exhibits when it comes straight off the expanding press. Strands of standard expanded metal are angled-rather than fixed on a horizontal plane, giving it a bumpy feel and appearance. Often superior in structural properties to the parent metal and always to its equivalent flattened product.
- Flattened Type A standard product that has been milled until it is completely flat and level with all the ridges taken out. Compared to standard metal, flattened type is thinner, flatter and longer. Suitable for applications where a lower risk of abrasion and aesthetic appearance are required.
Application of Raised and Flattened Expanded Metal Mesh
Flattened expanded metal mesh is used in applications that prioritize aesthetics and a smooth surface. The flattened strands make it more suitable for decorative purposes, architectural elements, signage, cladding, and filtration systems where a uniform and visually appealing surface is desired. It may also be used in certain industrial applications where a flat surface is required.
Raised expanded metal mesh The raised strands provide added strength and stability, making it suitable for applications such as grating, fencing, walkways, machine guards, and security panels. The openings between the strands allow for good airflow and visibility.
