Wire and Cable Technology International

March/April 2021

ArticlesFeatured

Wire Breaks and the Role of Drawing Machine Operators

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Wire breaks can occur during the wire drawing process. They are the undesirable result of unfavorable interactions of forces, tensions and other physical phenomena in the wire material which exceed its tensile strength. The consequences are increased machine down times and scrap production.
One of the main types of wire breaks are called “cup-andcone” breaks because one end of the broken wire is conelike and the other end is deepened like a cup or like a crater. These breaks usually occur when the wire passes through a drawing die

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ArticlesFeatured

Durable & High-Contrast UV Laser Markings in PTFE Wire Insulations

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Due to issues relating to product liability and environmental concerns associated with the traditional method of ink-jet printing on plastics, laser marking and engraving have gained huge significance as alternative techniques for product recognition and identification.
Laser marking aids product identification by creating permanent marks on plastic surfaces with a visually controlled laser beam.

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ArticlesBowsEmphasisEquipmentSpotlight

Spotlight on Bows

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Rotating machines such as stranders, bunchers, twinners and cablers use flyer bows to produce helically twisted wires, conductors and cables. All products being processed on these machines come in contact with the bow. More than half of the power required to run the corresponding machine goes toward rotating the bows. In addition, a good amount of the noise generated by a rotating machine comes from the bow, and less aerodynamic bows usually make more noise. Consequently, these bows are pretty important, and they are a main factor in determining the level of success in your rotating equipment operations.

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