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Press Technology Deep-Dive

Inside an RMGT Press — the Mechanical and Digital Architecture of Sheetfed Offset

A press is only as good as the nine subsystems it hides from view. Here is how an RMGT 750, 920 or 1050 is engineered — subsystem by subsystem — and why each decision matters to your sheet quality, makeready time and service calendar.

Subsystem 01 — Cylinder Geometry

Where Register Accuracy Is Actually Decided

Register accuracy is won or lost at the casting and grinding stage, not at the operator console. Our plate, blanket and impression cylinders are machined from induction-hardened journals, ground to tight concentricity, and bearer-to-bearer contact is verified during final assembly in Hiroshima before the press is crated.


Subsystem 02 — Ink-Key Automation & Closed-Loop Color

From CIP3 Pre-Press to First-Sheet Saleable

Ink-key presetting is driven from CIP3/CIP4 JDF pre-press data. During the run, inline ink-density measurement feeds back to the ink-key servo motors, compressing the gap between target Delta-E and measured Delta-E. For packaging converters running brand-critical colour, this is the difference between a saleable first sheet at 300 and at 150.

The press speaks the standard pre-press languages — Heidelberg Prinect, Kodak Prinergy, Esko Automation — so your existing pre-press investment carries into the RMGT era.


Subsystem 03 — LED-UV Curing

Why LED-UV Replaces the Hot-Air IR Drying Tower

LED-UV arrays near 365 nm cure UV-curable inks and coatings in the space of a delivery gripper's travel. Three implications matter to your P&L:


Subsystem 04 — Smart RMGT Makeready Automation

Changeover as a Documented Cycle, Not a Craft

Plate changing, roller washup, blanket cleaning and ink-key presetting execute concurrently under the Smart RMGT controller. Every step is a documented cycle time — and because it's documented, it's measurable, it's auditable, and it can be improved through kaizen on your production floor, not just ours.


Subsystem 05 — Sheet Transport

Gripper-to-Gripper Discipline from Feeder to Delivery

Sheets are carried gripper-to-gripper through the printing units and onto a vacuum-tape delivery that protects the freshly LED-UV-cured sheet. Non-stop feeder and non-stop delivery options keep the press printing during pallet changes on long runs.


Subsystem 06 — Workflow & Data Integration

MIS, MES and OEE — Press Data That Leaves the Hall

Production data exports via JDF and open APIs to your MIS/MES/ERP. OEE, shift report, waste-sheet count and changeover count surface automatically — without your operators rekeying numbers into a spreadsheet at shift end.

Digital vs Offset — Where Does the Crossover Actually Sit?

We Don't Sell You the Wrong Technology

Short-run colour digital presses now compete with offset on quality and on colour stability; above roughly 3,000–5,000 impressions, sheetfed offset still wins on cost per sheet, substrate range and solids consistency. An honest RMGT technical conversation starts with your run-length histogram — not with our press catalogue.

If your work belongs on a digital press, we will tell you. If it belongs on an RMGT 920 with LED-UV, we will show you the maths.


Technical Resources

White Papers, Spec Sheets and Reference-Site Visits

Request our LED-UV energy-profile white paper, the RMGT 920 / 1050 full specification sheet, or a reference-site visit to a peer production facility near you.

Request Technical Resources Press Series Overview