Digital Magazine

TRESU Launches Doctor Blade

KOLDING DENMARK | TRESU announces the introduction of its FlexiPrint Reservoir SAVEink chamber doctor blade, said to be a light, fast-change inking system for narrow web UV and water-based flexo applications that can be used without an ink pump. Company says chambers are air-tight and prevent leakage, due to patented seals, and can be installed or removed safely in five seconds without the risk of spilling ink. To introduce the unit to its mounting, the operator locks it to the anilox roll, and rotates it from a six-o’clock to a nine-o’clock position. Removal reverses the process. 

Doctor blades are in a pre-set position, and there is no need for further adjustment. The pre-set position is said to ensure optimal anilox contact with minimal wear. An automatic indicator shows when blade replacement is necessary, so time is not wasted on unnecessary checks.

The chamber can hold 250–2,000 ml of ink, reportedly making it ideal for application of normal and spot colors, as well as high ink transfer printing. Ink may be added manually without stopping the press, giving the system flexibility for long-and short-run production.

Since the chambers are sealed, there is said to be no risk of ink contamination and optimal pressure is maintained, to ensure foam-free printing and an even ink coverage across the web. The chamber maintains precise inking even at the high speeds demanded by narrow web printers, adds company. Available in widths to 800 mm, the chamber may be fitted to almost any narrow web press. For those using manual filling, the chambers can be removed and sealed so that ink can be reused. As the unit features a single compartment, manual cleaning is fast and easy.

Printers using an optional pump system have the advantage of precise flow control, as well as the ability to return unused ink to the bucket. Complete flushing and anilox cleaning to enable color changes is also possible with pump systems.

Henrik Kristensen, VP, TRESU Ancillary, says, “With shorter runs and faster turnarounds, label converters are under increased competitive pressure to eliminate waste. TRESU’s single-component SAVEink system makes an attractive option for an efficient label printing workflow, with its fast set-up times, minimal maintenance requirements, and capability for consistent quality at high speeds. With a short return on investment, the benefits of our chamber doctor blades are a viable and value-adding alternative to investing in a new press.”

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