Straighteners - Decoilers

Robust machines for forming thick plates
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BBT ABH1000/BRM300 Coiler and Straightener
PBK RMC4 80/7/500 RSD GLST Coiler and Straightener
SCHULER AHR320/2 Coiler and straightening machine
WMW HMA250 Straightener
Czech Republic, 511 01 Turnov - Daliměřice
WMW HMA250 Straightener

Straighteners - decoilers are systems consisting of a reel & coiler and a straightening machine with feeding system. They are also referred to as coil or strip systems and are characterised by their compact design. The straightener - decoiler is used to prepare coils with different diameters to be processed by a press or a punching machine. The straightening process compensates material stresses, reduces coil curvatures and thus helps to protect tools, improve the quality of the end product and avoid stoppages. Straightening reels for sheet metal processing can be bought at favourable prices, also from Surplex - the used machinery specialist.

Wire is an essential and widely used component in the majority of industries. As a universal material the possibilities are almost boundless - it is used in the manufacturing process of mesh, springs, cables, and in construction work - both as an operational aid and as a building tool. The majority of wires are typically made from copper, nickel, steel or aluminium and are available in a range of diameters and strengths.

Wires are usually stored and shipped in a compact wound reel. These, of course, require unwinding and further straightening. However, this involves the risk of damaging and creasing the wire as it is unwound, especially if this is carried out manually or by an untrained hand. This risk of damage therefore led to the development of specialist machines which automatically decoil and straighten large volumes of wire, ensuring that it is left intact and avoiding potential defects.

  • Used to avoid any possible damage to wires
  • Most commonly automated, but hand held decoilers are also available
  • Dramatically reduced potential accidents
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Wire decoilers vary widely depending on technological specifications and individual needs. They also differ in structure and operation. Most unwinders consist of a rotor which is then placed in a coil or spool. This then rotates, and as the wire is uncoiled a further machine intercepts the free end of the material. It is essential for operators and line managers to ensure that the machine runs at a smooth and constant speed in order to obtain a uniform result and to prevent damaged or tangled wire.

Smaller devices can be manually operated, usually with a hand crank, but industrial scale unwinding is usually powered electrically or hydraulically and is generally automated. It is possible to control the rate of unwinding in both models, and the kind of wire that is being processed should always be taken into account to prevent damage and subsequent material loss.

Generally, wire straighteners are positioned adjacently to the unwinder, and connected so that they straighten the wire as soon as it is unwound. There are many variants of wire straighteners, and their efficiency is dependant on what model you choose and the type of wire you wish to process. It is important to have the option to stop the wire unwinding process at any time in order to prevent damage to the wire, and for this reason a trained member of staff should be dispatched to make sure that the straightening process is running smoothly.

Wire machines are very important elements of the production processes of various industries. Many technological devices depend on high-quality, defect-free wire in order to function effectively. Though the quality of a wire may seem like a relatively minor concern to many employers, even the smallest weakness in a wire could result in a faulty product or, worse, in injury if the wire is being used as an operational aid within the workplace.