GH 664 Offset Printing Machine
Brand: Gronhi Categories: Press

Features and Characters

Super strong casting iron board (60mm) and uniqe design of machine base make its structure stable, durable and reliable. High-precision outboard skew gear transmission, low noise ensure satisfied performance and extend service life.

Pull register, sheet pull pressure is easy to adjust, precision of sheet register is table and reliable.

Adopted PLC system electrical control, frequency inventer’s highest printing speed is 12000 RPH.

Upper swing gyral paper gripper, stream sheet feeding. Bearer device is designed between plate cylinder and transfer cylinder to ensure consistent plate pressure and high quality prints with clear screen dots.

Pneumatic centralized control and transacting mechanism perform various functions like automatic inking, dampening, clutch pressure and plate changer.

Alcohol plate dampening system (with dampening cooling circulation), the motor driven by separated dampening rollers has a speed reinforcing function, evenly distributed film solution reduces dpi augment, auto testing for alcohol device is optional.

Adopted vaccum suction and upper blowing at sheet deliver unit to achieve smooth and acurate delivery.

Semi-automatic plate changer device.

Hans-Gronhi-Semi-Automatic plate changer device allows plate to be changed quickly and easily, the result is greatly shorter make-ready time.

Touch screen control system without stopping machine achieves exact axial and rotational adjustments. its + 1 mm for axial, + 50 mm for circle, step pitch is 0,01 mm. Printing precision, continious and stable printing are all guaranteed.

Automatic lubricating system, ultrasonic double-sheet detection.

Separate inking zone, separate adjuster, dampening and inking volume is adjustable without stopping machine. Inking and dampening volume is adjustable automatically according to main motor speed to guarantee even inking and dampening supply.

Alcohol auto wash-up. Numbering. Perforating device and high-precision plate puncher are optional depending on customers’ actual requirements.

 Specification
 Color Unit Number                    
 4
 Max. Printing Speed  2600 - 13000 RPH
 Max. Sheet Size  660 X 480 mm
 Min. Sheet Size  305 X 230 mm
 Paper Thickness  0.04 - 0.6 mm
 Max. Printing Area  650 X 470 mm
 Plate Size  670 X 560 X 0.30 mm
 Feed Pile Height  900 mm
 Delivery Pile Height  900 mm
 Ink Rollers  19 pcs
 Dampening Rollers  5 pcs
 Plate Form Rollers  5 pcs (4 Pcs of ink ,1 Pcs of dampening
 Plate Dampening  Alcohol
 Power  20 Kw Three Phase AC,380V/50Hz
 Net Weight  15000 kg
 Machine Dimension  6800 X 2500 X 1765 mm