In the metal forming industry, coiler and decoiler machines are widely used for roll slitting. This is a shearing operation that cuts large rolls of material into narrow rolls. Decoiler machines can also be called the uncoiler machines. There are two slitting methods, one is log slitting and the other is rewind slitting.
During log slitting, one or more slices can be taken out of the material roll without unrolling or rewinding. In rewind slitting, the material roll will be unwound and passed through knives or lasers of the machine, and then re-wound on one or more shafts to form narrower rolls. When the diameter of the material is much larger than its width, multiple narrower strips of material can be called mults or pancakes.

Decoiler and Perforated Metal Machines

In the field of metal perforation, Taiwan made perforated metal machines can provide excellent quality and output while maintaining a stable operating. Suppliers of perforated metal machines offer different types of perforated metal machines, and through continuous improvement of the feeding mechanism and punching moulds, their machines can meet the processing needs of customers for different perforation patterns and perforated metal applications.

Suppliers of perforated metal machine are always happy to provide customers with technical advice based on their processing issues and help solve their production issues. There are a large number of perforated metal machine models on the market for users to choose, such as plano type and C type perforated metal machines. The plano type perforated metal machine is most suitable for mass production. Its advantage is high speed and the ability to create similar mesh patterns. In addition, the QDCS system is very effective auxiliary equipment, which can greatly improve the overall production performance when combined with the optional Quick-Die-Change-System. The QDCS system will enable better performance with lower production costs.

Metal perforation is a common process in the metalworking industry. By definition, perforated metal is a metal sheet or coil punched with precision holes. Taiwan made perforated metal machines can cover round, square, slotted or customized shape perforation capabilities to meet the needs of global customers. On the application side, perforated metal mesh products have been widely used in filtration, mechanical protection, sound insulation, and construction.

Some suppliers may provide optional support facilities or accessories, such as leveler, de-coiler, flattner, and recoiler. With a good leveler, the plano type perforated metal machine can produce metal mesh without the defects that may be caused in the conventional production lines. In the process of perforated metal processing, sometimes unevenness or sloped edges occur. These finished product defects will cause business losses to the manufacturer. However, by adopting the leveler can solve the above issues.

Decoiler and Application

De-coilers (or Decoilers) can also be used for the plano type perforated metal machine on the production line. The de-coiler is not only used on plano perforated metal machine, but also widely used in forming machines such as angel bead and plastor stop bead line, brickwork reinforcing mesh machine, expanded metal machine, chain link fencing machine, barbed wire machine, razor barbed tape profiling machine. In the metalworking industry, perforated metal is also called perforated sheet, perforated plate or perforated screen. During the manufacturing process, it is stamped or punched manually or mechanically to create a pattern of holes, slots, or decorative shapes.

The materials used to make perforated metal sheets include stainless steel, cold rolled steel, galvanized steel, brass, aluminum, tinplate, copper, Monel, Inconel, titanium, plastics, etc. In the late 19th century, metal screens were used as an effective means of separating coals on many occasions. The first perforators used manpower to punch holes in metal sheet, which proved to be an inefficient and inconsistent method. This has prompted the development of new technologies, such as perforating metal with a series of needles arranged in a way that would create the desired hole profiles.

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