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Inline Pre-Treatment of P.C. Strandwire with Mechanical Descaling and Electro-Phosphating.

Horizontal wire rod pay-off, the wire is subsequently driven in a combined infeeding, bending/breaking and straightening machine (BDM-2S / EG), the scale layer is broken and the wire is straightened without cracks. The wire pull in is considerably facilitated by this system concept.

In the following double-head sanding machine with two sanding belts, the wire will be cleaned and surface pre-treated for the further coating process with a cleaning level of up to 98%.
The wire preparation plant before the actual drawing process is the patented e-phos plant in line from STAKU Anlagenbau GmbH.

Production data
Inlet: ø 8.0 – 15.0 mm
HC steel with 0.82% C with tensile strength up to 1,250 N/mm²
Outlet drawing speed up to 10 m/s

Inlet: ø 13.0mm Outlet drawing ø 5.0 mm
Inlet speed 1.2 m/s Outlet drawing speed 8 m/s
The customer hereby achieves the same drawing speed and high quality without drawing problems as with pickled wire.
Inline electro-phosphating speed up to 1.5 m/s.

Further reading

Exhibitor: WiTechs GmbH


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