ELS High Speed 8 Color Rotogravure Printing Machine
ELS High speed 8 color rotogravure printing machine
Unwind unit of rotogravure printing machine
Structure
- Structure: turret type
- 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
- Auto tension controller
- Closed loop tension control
- Pre-driving of waiting roller before roll exchange and splicing
- Auto position limit for unwind stand turning
- Web Guide (EPC)
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
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;
Parameter
Length of printing cylinder 780~1000mm
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

Shanghai Printpack dedicate to provide "value+" service to those who in need of quality and resonable priced equipment for printing and packaging industry.
Our team of seasoned professional consultants are willing to offer range of products in print & pack machinery of hi performanced, as well as optimizing supply chain management for overseas customer sourcing from China.
We are willing to play as an important partner for those who got inspired by China's growth.

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