Tresu’s expanded doctor chamber blade

Labelexpo Europe 2019, Stand 7D53

September 16, 2019

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At Labelexpo Europe 2019, flexo equipment and machine manufacturer Tresu Group is showing an expanded range of chamber doctor blades and supply systems for automating ink flow in label and package printing. The company is also providing information about its strengthened customer care program that helps flexo printers maximize machine time, and customize retrofittable flexo units for integration with narrow-web coating and printing lines.

Tresu chamber doctor blade systems, in widths from 185 mm to 6000 mm, feature patented rubber seals, controlling pressure while preventing leakage and air contamination – enabling clean blister-free print with fast drying characteristics and improved gloss values at faster print speeds. Chambers are available in carbon fibre form, featuring light weight and optimum corrosion resistance, while ceramic and aluminium alternatives are also available for various applications.

The Tresu FlexiPrint Reservoir Saveink chamber, for widths up to 800mm wide, includes an optimised reservoir, needing no connected pump. Ink may be added without press stoppages.

Also exhibited is Tresu’s new carbon fibre D3P chamber for paperboard and flexible packaging flexo applications. The chamber provides clean doctoring when working with anilox roll diameters that are common with these applications, and features a smooth ink-repellent internal surface. These features enable controlled ink flow and thus consistent quality prints, at speeds of up to 800m/min.

Made with a single component and featuring a pneumatic fast blade-change clamping system, the D3P offers superior strength to withstand high printing speeds, and significantly lighter weights than aluminium alternatives, resulting in easier handling, contributing to faster setup times.

Tresu supply systems automatically control flow, pressure level and colour density, to provide consistent print quality without air contamination, and thorough, fast, simultaneous chamber-cleaning. As part of the automatic cleaning, a high proportion of the unused ink can be returned to the bucket, resulting in significant long-term ink savings. The chambers can be retrofitted as an upgrade of existing equipment. Tresu’s F10 iCon ink supply system regulates ink flow, pressure and viscosity, maintaining constant ink density values. It performs automatic ink changes, including chamber cleaning, and ink returns, in minutes, saving significantly on time and materials.

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