EuroWire July 2023

Review

The tester is also frequently used to inspect welding wire, including flux core wire, where it can detect missing flux as well as flaws in the wire itself. Paramount Die Co (www.paradie.com), a supplier of carbide wire dies, promotes sustainability by having customers return their used dies to be re-manufactured or recycled in its automated mass production process. By allowing Paramount to manage the reuse/recycling process, customers can ensure that the used carbide – which is 100 per cent recyclable – remains in the wire drawing die ecosystem. At Interwire, Paramount highlighted this by holding a contest in which customers were asked to guess how many used dies were in the Paramount Pail. The actual number of inserts was 887, and the winner of the top prize guessed 893. The contest engaged many people and allowed Paramount to speak directly about how its wire drawing die inserts support reuse and recycling.

which ensures accurate positioning of coils for the detection of surface and subsurface short and transverse defects on non-magnetic products. Exhibiting at Interwire was a successful endeavour for Magnetic Analysis Corp (MAC – www.mac-ndt.com). The company said that the response at its booth was impressive, with many people coming to learn more about eddy current testing of wire and rod.

The company, as part of Controle Mesure Systemes Group (along with US subsidiary CMS Inc and ultrasonic NDT system supplier Sofratest), exhibited at Interwire for the first time. CMS eddy current applications that were exhibited included the TRVC special rotating head for wire inspection. This equipment is installed directly on the production line and allows inspection of diameters ranging from 0.8 to 10mm (0.031" to 0.375"). The system detects surface or subsurface longitudinal defects at high speeds on circular products such as wires. Also on display was a coil support with eddy current generator – Zet@Master –

Visitors were especially interested in watching a demonstration that used a linear rail unit to move small diameter wire back and forth through an eddy current encircling test coil to demonstrate MAC’s Minimac® 50/55 eddy current tester. Additionally, a paper on “How to use eddy current technology to test ferrous and non-ferrous wire”, presented at Interwire by Troy M Libby, an engineering manager at MAC, was well received, and a number of attendees followed up with visits to MAC’s booth. Eddy current Minimac testers inspect for short surface and some subsurface seams, including cracks, pits and slivers in ferrous and non-ferrous wire at speeds up to 4,000 fpm.

Paramount also showcased its large cased dies (for large diameter wire and bar drawing), shaped dies and shaving dies, as well as some other developing technologies.

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July 2023