Offset Printing--Pressing Ahead
A new generation, six-color, 201⁄2x29˝ Rapida 74, equipped with coater and extended delivery, was also shown. It features distributed press controls, KBA's sophisticated Ergotronic control console, remote format adjustment, automated plate changing, optional CIP3 interface, the KBA Logotronic production management system and in-line quality control via KBA Densitronic S.
In the Mitsubishi Heavy Industries booth, a 32-page Diamond 32 press was running. A CIP3 interface preset the ink keys. Fully automated, the four-around, four-across press was equipped with a double chopper folder. Mitsubishi has also reintroduced its Diamond 16 Z one-to-one press into the U.S. market. Shipping to Lithographix in California this November will be a single web, 223⁄4 x38˝, eight-unit model equipped with Mitsubishi's sleeve offset technology and a pinless folder. For sheetfed work, Mitsubishi has upgraded its offerings for the carton and label industries. The 5F and 6F are now offered at higher rated running speeds and can handle a wider range of stock thicknesses.
Komori exhibited its new five-over-five, 283⁄8x409⁄16˝ Lithrone 40SP Model L-540SP perfecting press, which is equipped with the Komori Hi-Performance Inking System and automatic plate changers. Newly developed register adjustment mechanisms and a new swing mechanism for registration were featured, as well as remote-controlled infeed cylinder cocking capability and ultrasonic double-sheet detection/prevention and anti-sheet deviation devices. A special, ceramic jacket is employed for the surface of the impression cylinder and the cylinder arrangement is designed to reduce gripper changes.
Also shown was a new five-color, 143⁄16x201⁄2˝ Lithrone 20 Model L-520 press, suited for printing on substrates ranging from ultra-thin plastic to cardboard. As an option, the system can be specified with an in-line coating system that uses aqueous coatings, which allows direct stacking of sheets on the pile board without the use of powder. Upgraded for DRUPA was the company's two-color, 201⁄2x283⁄8˝ Sprint Model S228 press. Standard equipment now includes the Komorimatic dampening system; a touch-panel for centralized control of all press functions; improved feeder and delivery; and a gripper-to-gripper sheet-reversing mechanism.