Visit our Recycling Equipment pagePerforated Metal Screen
Perforated metal screens are lightweight, versatile sheets of metal that are run through a punch press and have a pattern of differently-shaped holes. They are available in a wide range of shapes, sizes, thicknesses and hole patterns. These screens are used in the architecture, sound proofing, construction and filtration industries. Most screens are used for decorative purposes, such as balcony enclosures, partitions, elevator cabinets, backgrounds, walls, baskets and furniture for interior and exterior architecture. They can also be used for air or liquid filtering, as window screens, for ventilation, and in acoustic wall and ceiling panels. When they are used in soundproofing applications, perforated metal screens are designed with flow-resistant backing textile that has high sound absorption and greatly helps reduce air-born noises.
The hole patterns can be round, square, slotted, embossed or a complex and decorative pattern. The holes are made in sheets of steel, carbon steel, stainless steel, aluminum and brass. The metal screens are sometimes galvanized (hot dipped in zinc), tempered, quenched or age-hardened for high-strength applications. The sheet metal goes through a punch press machine, which uses a ram under extreme pressure to punch the hole pattern. Today, these machines are generally CNC controlled as opposed to manual, and are able to work extremely fast. Perforated metal screen manufacturers often provide end forming processes as a last step that include shearing, degreasing, drilling, deburring, bending, welding, rolling and cutting.