Industry News

Robatech Unveils FK IT Hotmelt Coating Heads to Optimize Flexible Gluing Process

Published on 2015-10-26. Author : SpecialChem

The new FK IT 25 / 50 / 75 coating application heads combine the proven properties of two products. The application nozzles feature the mask technology of the FK-IT with the precision and speed of the FK SX. With their new FK IT series, Robatech optimizes the flexible gluing process in industrial coating applications.

The double-acting, electro-pneumatic coating heads of the FK IT series are designed for continuous and intermittent coating. They ensure precise cut-off – also at high speeds and fast switching times. Thermoplastic adhesives in the low- to medium-viscosity range are processed.

FK IT 25 / 50 / 75 coating application heads
Fig. 1: FK IT 25 / 50 / 75 coating application heads

The application heads are suitable for an application width up to maximum 75 mm. The coating heads of the FK IT series are mainly used in processes of the graphics and converting material industry, as well as in other areas.


The jetting elements of the coating head is opened and closed using electro-pneumatic valves. The jetting element closes negatively. This ensures precise adhesive application and cut-off at the end of coating. The FK IT series is used for coating on roll-to-roll applications, as well as for coating on single sheet processing in folding machines. In the case of single sheet processing, the FK IT application head can be used in connection with the infeed roller, as well as the specifically developed support unit.

Mask technology for more flexibility during coating

Flexibility during adhesive application is a key for a quick and cost-effective reaction to customer demands. This is possible using the mask technology of the new FK IT series. Using the masks integrated into the coating nozzles, the application pattern can be flexibly adjusted to the requirements. The different mask shapes and thicknesses can be produced cost-effectively. They simplify format changes and increase the application pattern reproducibility. The mask technology ensures a precise and flexible gluing process.

Further advantages

The application heads are optimized with respect to residue quantities for resource-saving hotmelt adhesive application. Furthermore, the integrated filter reduces nozzle blockage and ensures a problem-free gluing process.

All connections for adhesive, compressed air, and supply voltage are attached on top of the nozzle. This, in combination with the compact and narrow design of the coating heads, simplifies the integration into already existing systems. Maintenance and service also benefit from the access from the top.

Constant temperature control to the coating application head, in combination with mask technology, ensures a consistent application pattern, also at high speeds and fast switching times. The optional CoolTouch insulation provides increased operational safety and reduces the energy requirement.

With the FK IT series, Robatech expands the portfolio of precise and flexible hotmelt coating heads. The application heads promote flexible and cost-effective adhesive application and contribute decisively to production process optimization.

About Robatech

Robatech with headquarters in Muri / AG in Switzerland, is a worldwide leading provider of adhesive application systems for a variety of industry sectors. The product portfolio of the service and technology leader for green adhesive application solutions comprises hotmelt adhesive and cold glue as well as PUR solutions. Robatech is present in more than 60 countries. Since 1975, the company has delivered high-quality controls, application nozzles, and dosing systems that are unmatched in terms of speed, precision, and reliability.

Source: Robatech

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