Kyocera announces new air-cooled LED unit

Kyocera has developed a new air-cooled UV-LED curing light, the G5A series, which it claims to be the smallest and most powerful currently available. It’s aimed at industrial UV ink printing applications, such as billboard printing, as well as UV-cured coating and adhesive processes.

Kyocera’s G5A series of air-cooled UV LED curing lamps are available in three wavelengths of 365nm, 385nm and 395nm.

The G5A series use Kyocera’s proprietary ceramic substrate, which has good heat conductivity in a heat-radiating modular design so that several of these units can be mounted together to cover a wide printing area. The fact that this unit is both compact and air-cooled should make it relatively easy to implement. The units themselves weigh 950m and measure 80.3 x 88 x 150.5 mm in size.

The series includes three units giving a choice of wavelengths. This includes one operating at 365nm and with UV intensity of 16W/cm2, or 250 mJ/cm2 of accumulated light at 50mpm. The other two units offer 385nm or 395nm wavelengths. These both give out 24W/cm2 of UV intensity or 350 mJ/cm2 of accumulated light.

For all three units, the irradiation area is 80mm, though several units can be connected to extend this coverage to 1600mm and can be controlled in increments of 26.5mm so that you could turn off some units when printing to narrower substrates.

Kyocera also has a monitoring system to track irradiation conditions, including LED temperature and current, fan operating time and accumulated irradiation time, via serial communications. This includes warnings as to when filters need to be replaced or if it detects any abnormalities.

The G5A series will be produced at Kyocera’s Shiga Yohkaichi plant, with the company aiming for sales of ¥1bn or £6.7m.

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