LITHRONE G37

The power to meet diverse needs with outstanding performance. The Lithrone G37: a 37 inch press for the OffsetOnDemand age.

Cost efficient A4 production

Maximum printing area allows use of a CMS colour bar, even on 8-up A4 impressions

High performance

Standard equipped with KHS-AI, the G37 offers the solution for today’s needs

Custom configurations

Accommodates short turnarounds, short runs of many different products

Diverse Needs with Outstanding Performance

An A1-size machine, the Lithrone G37 addresses the critical needs of short turnarounds, many different printed products, and short runs at a low cost. The Lithrone G37 combines both functionality and a good design, and is a highly functional printing press that includes the basic performance of the Lithrone G series.

A compact press that can produce A1-size products, the Lithrone G37 offers a 640 x 940 mm maximum sheet size. Capable of printing sheets up to 37 inches in width, this press has the power to address the full span of requirements in the publishing and commercial printing segments

Eco-friendly

The H-UV Curing System uses a UV lamp and high-sensitivity UV ink. With just one lamp mounted in the delivery, this system offers high print quality and reliability as well as excellent economic and eco-friendly performance.

Exceptional changeovers

Equipped with the benderless Full-APC (Fully Automatic Plate Changer)*, the press changes four plates in three minutes and completes job changeover in an astounding eight minutes.

Strategic packaging press

Package printing demands especially high print quality and stability since heavy stocks, special substrates and special inks are frequently used and diverse postpress processes as well as repeat jobs are common.

Stable One-Pass Printing AffordsHigh Performance and Profitability

The Lithrone G37 is a compact perfector that enables high-quality, single and double-sided printing in one pass and straight multicolor printing in one machine. By achieving a high-speed perfecting cylinder, high quality printing is possible at a maximum printing speed of 15,000 sheets per hour and with a sheet thickness range of 0.04 to 0.45 mm during both single and double-sided printing.

1. Built on the Lithrone G platform

The Lithrone G37 embodies the development concepts of the Lithrone G series – high-speed stability, high print quality, suitability for short runs, mechanical reliability, solid environmental credentials and enhanced production efficiency.

2. Short make-ready

Komori’s benderless Semi-APC (Semi-Automatic Plate Changer) or Full-APC (Fully Automatic Plate Changer) improves plate register accuracy and significantly reduces make-ready time. Blanket washing, and impression cylinder and ink roller cleaning are fully automatic, operated by simply pressing a button.

3. PQA-S Series

The PQA Series performs the checking for defective sheets previously done by regular sampling and visual checking by the operator, providing high level quality control by means of in-line inspection.

4. H-UV / H-UV L (LED)

The Komori H-UV System is an innovative UV curing system that uses a UV lamp developed with Komori know-how and high sensitivity UV ink. With just one lamp mounted in the delivery, this system offers high print quality and reliability, as well as excellent economic and eco-friendly performance.

Komori Print Management Solutions dramatically improves productivity through optimization of the printing environment and objectively analyzing print quality. KHS-AI is the system handling overall control of the printing process; PDC series checks and adjusts print quality; and PQA series continuous inspection features maintain quality throughout the run, continuously supporting operator tasks. By utilizing KHS-AI, PDC and PQA together, high-quality prints can be continuously and reliably produced in less time than ever before.

LITHRONE G37 (37-inch offset printing press) specifications
Model     GL-237 GL-437 GL-537 GL-637 GL-737
Number of colours     2 4 5 6 7
Max printing speed   sph 15,000 15,000 15,000 15,000 13,000
Max sheet size   mm 640 x 940
Min sheet size   mm 297 x 420
Max printing area   mm 620 x 930
Sheet tingness range   mm 0.04 ~ 0.6
Plate size   mm 700 x 945
Blanket size   mm 780 x 955
Feeder pile height   mm 900
Delivery pile height   mm 900
Dimensions Length (L) mm 6,236 8,173 9,154 10,136 11,118
Width (W) mm 3,450
Height (H) mm 1,877 (2,236 with cover open)

• Maximum printing speed may differ from specifications herein.
• In double-sided printing with oil-based ink, a margin on the back side of the sheet for the vacuum wheels is necessary.
• Performance and values may differ depending on specifications. Komori reserves the right to change specifications for the purpose of product improvement.

Stable one-pass printing affords high performance and profitability

The Lithrone G37P is a compact perfector that enables high-quality, single and double-sided printing in one pass and straight multicolour printing in one machine. By achieving a high-speed perfecting cylinder, high quality printing is possible at a maximum printing speed of 15 000 sheets per hour and with a sheet thickness range of 0.04 to 0.45 mm during both single and double-sided printing.

Masakatsu Sakakibara Senior Technical Supervisor
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