MAIN SPECIFICATION: 

PRINTING MATERIAL

MAIN CONFIGURATION 

Unwind unit

Structure
Structure: Turret type with independent unwind stand
Loading web mode: Air shaft
Independent driving control system: Vector frequency conversion control system
The opposite sensor couple automatic position the new reel for unwind
Tension detect: Displacement of dancing roller
Dancing roller driven by mini friction air cylinder
Auto tension controller: Touch screen + PLC(Seimens)
Closed loop tension control
Pre-driving of waiting roller before roll exchange and splicing
Auto position limit for unwind stand turning
Parameter
Max. Unwind width 850mm
Max. Unwind Dia. Φ750mm
Unwind motor 2×3kW
Turning speed 1r/min
Tension range 3~25kgf
Tension control precision ≤3%
Feature
Not-stop roll exchange and splicing, saving time and high efficiency
Roller exchange for stable tension with less waste
Mini friction air cylinder tension detect, function curve correct tension adjustment
Independent unwind stand for unwind diameter increase and convenient operation 

Infeed unit

Structure
Mutual impression with one steel roller and one rubber roller
Steel roller controlled by imported vector frequency conversion control system
Rubber roller controlled by pneumatic cylinder
Tension detect: Displacement of dancing roller
Dancing roller driven by mini friction air cylinder
Auto tension controller: Touch screen + PLC
Closed loop tension control
Parameter
Steel roller Φ200mm
Rubber roller Φ135mm (A) 70°--75°
Tension setting range 3~25kgf
Tension control precision ≤3%
Driving motor 1.5kW
Max. Impression pressure 200kgf
Feature
Mutual impression by steel and rubber roller to guarantee the stage tension; 
Independent tension control for stable printing tension; 
Integrated tension control with main machine
Integrated rubber roller with main machine, controlled by central control unit
Independent framework for infeed unit 

Printing unit

Structure
Structure type: Shaftless
Shaftless cylinder for rapid cylinder exchange; 
Arm style for impression rubber for tension compensation to guarantee stable tension for up/down; 
Impression rubber roller can auto impress in order, easy to operate
Rubber roller impresses printing cylinder in order but up at the same time
Three-direction adjust pneumatic doctor blade for optimal position
Integrated rate with main driving system of transverse movement of doctor blade; 
Auto backflow ink pan with manual rise/down adjustment; 
Compensation roller adopts up/down movement with precise screw lead; 
Full closed gear box for main driving; 
Parameter
Length of printing cylinder 480~850mm
Dia. Of impression roller Φ125mm (A) 70°-75°
Max. Impression pressure 370kgf
Doctor movement ±5mm
Doctor blade pressure 10~150kgf
Feature
Shaftless cylinder for rapid cylinder exchange; 
Full range for color compensation; 
Optional position for doctor blade by three direction adjustments; 
Transverse pre-cylinder position with scale 

Drying unit: 

Structure
Individually control for every color
Intelligentized constant temperature control; 
Sharp heat air injector; 
Electrical heating and hot oil heating system. 
Pneumatically open/close cabinet with guide way and trolley

Parameter
Web length in drying box: About 1300~1500mm
Air speed: 35m/s
Injector quantity: 8
Max. Temperature control precision: ±1ºC
Max. Airflow: 3000m³/h
Air blower power: 1.5KW/color
Feature
Independent temperature control for ease of operation of every printing unit
Big airflow and high air speed for low temperature drying mode
Inside negative pressure without heat air outlet; 

Out-feed unit

Structure
Mutual impression with one steel roller and one rubber roller; 
Steel roller controlled by imported vector frequency conversion control system
Rubber roller controlled by pneumatic cylinder
Tension detect system and dancing roller stabilization system
Tension detect: Displacement of dancing roller
Dancing roller driven by mini friction air cylinder
Auto tension controller: Touch screen + PLC
Closed loop tension control
Parameter
Steel roller Φ200mm
Rubber roller Φ135mm (A) 70°-75°
Driving motor 1.5kW
Tension range 3~20kgf
Tension control precision ≤3%
Max. Impression pressure 200kgf
Feature
Mutual impression by steel and rubber roller to guarantee the stage tension; 
Independent tension control for stable printing tension; 
Impression controlled by central control unit, integrated with main machine; 
Integrated tension control with main machine; 

Rewind unit

Structure
Structure: Turret type with independent unwind stand
Loading web mode: Air shaft
Independent driving control system: Vector frequency conversion control system
The opposite sensor couple automatic position the new reel for unwind
Tension detect: Displacement of dancing roller
Dancing roller driven by mini friction air cylinder
Auto tension controller: Touch screen + PLC(Seimens)
Closed loop tension control
Pre-driving of waiting roller before roll exchange and splicing
Auto position limit for unwind stand turning
Parameter
Max. Rewind width 1150mm
Max. Rewind Dia. Φ750mm
Rewind motor 2×3kW
Tension setting range 3~25kgf
Tension precision ≤3% 

Framework and guide roller

Structure
High strength and low stress casting iron; 
Module style design; 
Casting iron for beam; 
Feature
Tress eliminated for stableness; 
Imported machining center; 
Reasonable layout of the rollers for smooth web flow; 

Color control system

Feature: (Up and down)vertical color control system
Model: Made in China KESAI 2000B
Precision: ±0.1mm
Printing speed: 5-300m/min
Comprehensive printing precision: ±0.1mm
Vertical colored system (7 passages) 1 set
Electric eye: 7 Piece
Colored motor: 7 Piece 

Main driving unit

Structure
Driving by main motor through main shaft; 
Gear box for every printing unit with flexible connection by clutch; 
Independent groundwork for main motor and gear down device
Parameter
Motor power 11kW
Shaft Φ40mm
Clutch flexible style
Feature
Start at low speed with full load; 
Automatic speed acceleration; 
Integrated with the whole machine; 

Tension control

Four stage tension control 

Light system: 

Safety light 

 

Please contact me for more details.
Contact: Tina Fung      
 
Mob : 0086 13771226653

 

With 20 years focus on the printing industy,Erba deserve your expectation.