Gearless Full Servo Central Impression Flexographic Press
Gearless Full Servo CI Flexographic Printing Machine for Flexible Packaging
This central impression (CI) flexographic printing platform replaces mechanical gear trains with full servo gearless drive technology—delivering ultra-precise multi-color registration, synchronized color stations on a single impression drum, and sustained high-speed output for premium flexible packaging. All printing units share one central impression cylinder while independent servo motors control each color deck, enabling 4, 6, and 8-color configurations with minimal gear backlash and faster makeready response.
Machine Architecture
Full Servo Gearless CI Architecture for Premium Throughput
Direct servo drive, a shared central impression drum, integrated multi-axis synchronization, and Industry 4.0-ready control work together to hold register on barrier films and laminate structures at sustained production speeds.
Full Servo Gearless Drive System
Each printing unit is driven by independent servo motors without mechanical gear transmission—eliminating gear backlash, reducing maintenance intervals, and enabling instantaneous register correction during acceleration, deceleration, and speed changes.
- Direct servo drive per color station
- No mechanical gear train between units
- Minimal backlash for tight register
- Reduced noise and lubrication requirements
Central Impression Drum
All color stations print against a single, precision-ground central impression cylinder—keeping web path length constant across colors and delivering the register stability CI architecture is known for on flexible film and laminate substrates.
- Single shared impression cylinder
- Constant web path for multi-color register
- Precision-ground drum surface
- Ideal for reverse print and barrier structures
Integrated Servo Synchronization
Multi-axis servo controllers synchronize every color deck with the impression drum and unwind/rewind sections—maintaining register within ±0.05–0.10 mm during speed ramps and delivering stable output in the 300–450 m/min production window.
- Real-time multi-axis synchronization
- Automatic register correction on speed change
- Print repeat range 300–800 mm
- Servo tension integration across the line
Industry 4.0 Control System
Advanced PLC and servo control platform supports recipe-based changeovers, remote diagnostics, production data logging, and integration with upstream/downstream converting modules—built for multi-shift high-speed production environments.
- Recipe storage and one-touch makeready
- Remote diagnostics and data logging
- Automatic register and color control
- Modular integration with laminating and slitting
Technical Specifications
Configure Your Platform
Select color count and web width to preview typical specifications. Final configuration is quoted to your substrate, speed target, print repeat (300–800 mm), and finishing scope.
Gearless CI · 6-color · 1000 mm
- Machine type
- Central impression (CI) flexographic printing machine
- Structure
- CI drum with full servo gearless color stations
- Transmission
- Full servo gearless direct drive system
- Printing mode
- Continuous roll-to-roll flexographic printing
- Color options
- 6 colors
- Print width
- 1000 mm
- Print repeat
- 300 – 800 mm (adjustable via servo registration)
- Max speed
- 400 – 500 m/min (configuration dependent; stable production 300 – 450 m/min)
- Registration
- ±0.05 – 0.10 mm
- Substrate thickness
- 10 – 200 microns
- Ink system
- Chamber doctor blade with servo pump control
- Unwind / rewind
- Max roll diameter 1000 – 1200 mm · Servo tension control
- Machine length
- Approx. 12 – 18 m
- Machine width
- Approx. 3.5 – 5.5 m
- Machine height
- Approx. 3.5 – 4.5 m
- Machine weight
- Approx. 18 – 35 t
Material Compatibility
BOPP, OCPP, PET, PE, nylon, barrier films, metallized structures, paper, and multi-layer laminates within the rated thickness range—validated for high-speed CI printing.
Printing Performance
Sustained output at 300–450 m/min with servo gearless register control on a shared CI drum—designed for premium graphics, reverse print, and registered varnish on wide web.
Drying System
High-efficiency inter-color and final drying with optimized air management for sustained high-speed runs. Reinforced drying modules available for heavy ink laydown and barrier film structures.
Production Workflow
From Unwind to Finished Roll
Automatic Unwind
Roll feeding with automatic splice detection, diameter monitoring, and servo tension control up to 1200 mm roll diameter.
Corona / Surface Prep
Optional corona or surface treatment upstream of the first printing unit for improved ink adhesion on PE and barrier films.
CI Multi-Color Printing
All color stations print sequentially against the central impression drum with full servo gearless synchronization.
Inter-color Drying
High-efficiency drying between each color deck stabilizes ink before the next unit at sustained production speeds.
Register Verification
Continuous servo register monitoring with automatic correction maintains ±0.05–0.10 mm accuracy during speed changes.
Servo Rewind
Precision servo rewind produces finished rolls with controlled hardness for downstream laminating, slitting, or pouch converting.
Optional Components
Standard Scope & Upgrade Paths
Base configuration includes full servo gearless drive, central impression drum, servo registration, inter-color drying, automatic unwind / rewind, and Industry 4.0 control suitable for premium flexible packaging production.
- Full servo gearless color stations
- Automatic register control system
- Inter-color and final drying
- Recipe-based makeready and changeover
Integrate dry-bond or solventless laminating downstream of the final printing unit for one-pass print-and-laminate production of barrier film structures.
8-color and extended configurations support white, varnish, and specialty ink stations for premium pouch and laminate graphics with registered effects.
100% print inspection, defect mapping, and turret rewind modules can be integrated for export-quality roll acceptance and partner FFS specifications.
Application Industries
Built for Premium Flexible Packaging at Speed
Premium Flexible Packaging
Stand-up pouches, retort pouches, and high-graphic laminate structures requiring tight register, reverse print, and registered varnish effects.
High-Speed Production
Multi-shift converters targeting sustained 300–450 m/min output on wide web film with minimal waste during speed changes and SKU changeovers.
Barrier Films
Metallized, EVOH, and multi-layer barrier structures where register accuracy directly reduces material waste on expensive substrate.
System Advantages
Why Converters Choose Gearless CI Over Gear-Driven CI
| Factor | Gearless Full Servo CI | Gear-Driven CI |
|---|---|---|
| Registration | ±0.05 – 0.10 mm servo correction | ±0.10 – 0.20 mm mechanical |
| Stable speed | 300 – 450 m/min production range | Typically 200 – 350 m/min |
| Max speed | 400 – 500 m/min (config dependent) | Typically up to 400 m/min |
| Gear maintenance | No mechanical gear train | Periodic gear lubrication and wear |
| Speed change response | Instant servo register correction | Slower mechanical compensation |
| Best fit | Premium packaging at high speed | Standard CI graphics and mid-speed runs |
- Ultra-precise register — full servo gearless drive eliminates backlash for ±0.05–0.10 mm accuracy on barrier and laminate film.
- Higher sustained speed — stable 300–450 m/min production with faster recovery during acceleration and deceleration.
- Lower mechanical maintenance — no gear trains to lubricate, align, or replace over the machine lifecycle.
- Industry 4.0 ready — recipe management, remote diagnostics, and data logging for multi-shift high-speed operations.
FAQ
Common Questions About Gearless Full Servo CI Flexo
Gearless CI replaces mechanical gear transmission with direct servo drive on each color station. This eliminates gear backlash, enables faster register correction, and supports higher sustained speeds—typically ±0.05–0.10 mm register vs ±0.10–0.20 mm on conventional gear-driven CI platforms.
The platform supports a print repeat range of 300–800 mm, adjustable via the integrated servo registration system. Final repeat capability is confirmed during configuration based on color count, web width, and cylinder selection.
Maximum speed reaches 400–500 m/min depending on configuration, substrate, and ink set. Stable daily production typically runs in the 300–450 m/min window with servo register holding through speed changes.
Choose gearless CI when you need the highest register accuracy, sustained high-speed output, and premium graphics on barrier films and laminates. Stack flexo remains the economical choice for medium-quality daily packaging at lower capital investment.