EuroWire November 2019

Technology News

Single-point concentricity extrusion tooling

The PDH rod dry coating and wire lubrication system is rapidly improving the current state of rod preparation and wire drawing, enabling process users to achieve substantial cost saving in the production of drawn wire, including spring wire, PC strand wire, plating wire, cold-heading wire, CO 2 welding wire, etc. wire drawing performance by eliminating dramatic issues related to friction heat, benefiting from the most unique fully controlled extremely sensitive five-way interaction between the five most important lubr- ication parameters, including lubr- icant pressure steplessly adjust- able up to 350 bars/5,000 psi, viscosity, thermal stability, lubricant melting temperature and lubricant full-film thickness. All these variables are continuously and automatically controlled, all communicating together which enables controlled fusion of borax-free The PDH system enhances GUILL Tool & Engineering has introduced a new single-point concentricity extrusion crosshead that uses micro-fine adjustment screws for precise concentricity adjustment. The precision of concentricity reaches 0.008" or finer per revolution. concentricity adjustment is a unique Guill innovation for the extrusion of thin-walled jacketing and precision ID/OD tubing. One adjustment bolt controls 360° of adjustment. Features of the single-point crosshead include a patented cam-lock deflector for quick changeovers, with a residence time of one minute at 0.5lb/hr material flow, optimised usage with extruders measuring ½" and ¾", and a max die ID of 0.25". It not only accepts both vacuum and micro-air accessories, but is also suitable for pressure and sleeving applications. Fluoropolymer designs are available upon request. Guill Tool & Engineering – USA Website : www.guill.com This single-point Additionally, the Guill single-point crosshead offers flexibility to its users. Advertorial on behalf of Decalub

▲ ▲ New crosshead from Guill

100 per cent dry, unmeasurable drawing die wear at extreme speed

level (about 0.2 micron per tonne of drawn wire), meaning the burnt lubricant issues and rapid die wear are totally eliminated. Benefiting from the lubricant five-way interaction control, the PDH rod dry coating can be used with a customised next-generation white graphite powder, easily formulated for the application on-site within one hour, that creates a high-performance, full-film anti-friction conversion coating, performed at zero energy consumption, that is found to perform compatible to or better than zinc phosphate or any other in-line wet pre-coating chemical. Applications include all plain carbon wires up to 0.98 per cent carbon, mechanically descaled or acid cleaned, coated or uncoated, drawn at extreme speed.

▲ ▲ Wire rod coating and lubrication by PDH system

powders until lubricant melting point is attained at a temperature range of 195°C to 240°C/374°F to 464°F for high-carbon wire drawing applications, thus instantly creating a high-performance residual dry coat that reduces die wear to an unmeasurable

Decalub – France Email : info@decalub.com Website : www.decalub.com

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November 2019