Web Offset Printing Press- 3 Color Satellite
Machine Details
The 3 colour satellite is capable of printing 3+0, 2+1 or 1+2 colour
combinations on one web. It comprises of three printing couples
surrounding by a stainless steel common impression cylinder, which
facilitates 3-colour printing.
Introduction and Standard Featured
Color satellite features :-
- Lever-type swing-down ink fountain with overrides for ink fountain roller.
- Dynamically-balanced hard chrome plated solid plate and blanket cylinders.
- Stainless steel, dynamically-balanced main impression cylinder.
- On the nose, slit or spring-type plate lock-up system.
- On the run manual side register system for all plate cylinders .
- Running circumferential register on two plate cylinders on the drive side .
- Electro-mechanical web-break detector .
- Safety guards .
- Centralized oil pressure lubrication for drive gears .
- Provision for printing 3 colours on one side of web or 2 colours on one side and 1 colour on other side of web (direct printing) .
- Heavy-duty compensator.
- Variable-speed motorised dampening .
Optional Features :-
- nfra-red web-break detector..
- Single-shot grease lubrication for operating side bearings.
- Motorised sidelay, circumferential, and unit to unit register control.
- Centralized water circulation system with refrigeration unit
- Solid stainless steel plate and blanket cylinders .
- Pneumatic on/off .
- Brushmist dampening system.
- Spray dampening system .
- Remote ink control system .
- Closed loop colour registration system .
| Particulars | 508 mm (20″) | 533 mm (20.98″) | 546mm (21.5″) | 560mm (22″) | 578mm (22.75″) |
|---|---|---|---|---|---|
| Printing speed | 16000 – 36000 CPH | 16000 – 36000 CPH | 16000 – 36000 CPH | 16000 – 36000 CPH | 16000 – 36000 CPH |
| Plate Width | 889 mm (35″) | 889 mm (35″) | 889 mm (35″) | 889 mm (35″) | 889 mm (35″) |
| Plate Length (Unbent) (Slit type) | 539mm | 564mm | 577mm | 591mm | 609mm |
| Plate Thickness | 0.30mm | 0.30mm | 0.30mm | 0.30mm | 0.30mm |
| Blanket Length (‘T’ Bar Type including bars) | 556mm | 581mm | 594mm | 608mm | 626mm |
| Blanket Length (Narrow-gap including bars) | 580mm | 605mm | 618mm | 632mm | 650mm |
| Blanket Width | 889mm | 889mm | 889mm | 889mm | |
| Blanket Thickness (including packing) | 1.65+0.45 | 1.65+0.45 | 1.65+0.45 | 1.65+0.45 | 1.65+0.45 |
| Paper Width | 700-889mm | 700-889mm | 700-889mm | 700-889mm | 700-889mm |
| Reel Diameter (Max) | 1070mm (42″) | 1070mm (42″) | 1070mm (42″) | 1070mm (42″) | 1070mm (42″) |
| Printing Length (Max)’T’ Bar Type Blanket | 482mm | 507mm | 520mm | 534mm | 552mm |
| Printing Length (Max) Narrow-gap Blanket | 490mm | 515mm | 528mms | 542mm | 560mm |
| Paper gsm (uncoated) | 38-80gsm | 38-80gsm | 38-80gsm | 38-80gsm | 38-80gsm |
Dampening System
Cloth Dampening :-
Comprising one form roller, a chrome-plated oscillating drum, a transfer roller and a motor-driven fountain roller, which can be regulated independently of press speed for precise control, continuous-feed dampening system is reliable and easy to use. Provision has been made to connect to a dampener solution circulation system.Brush Dampening (option):-
Comprising one form roller, a chrome-plated oscillating drum, a
transfer roller and a motor-driven fountain roller, which can be
regulated independently of press speed for precise control,
continuous-feed dampening system is reliable and easy to use. Provision
has been made to connect to a dampener solution circulation system.
Spray Dampening (option):-
The contactless Brushmist Dampening System incorporates independently
variable-speed, motorized, stainless steel dampener fountain rolers,
chrome-plated dampener vibrator rollers, rubber dampener form rollers
and stainless steel trays with inlet/ outlet. This roller train ensures a
uniform water film onto the plate mounted on the plate cylinder.
The system has patented valves allowing a higher spraying cycle frequency, delivery of precise water volumes, and uniform dampening of the plate cylinder.
The system has patented valves allowing a higher spraying cycle frequency, delivery of precise water volumes, and uniform dampening of the plate cylinder.
Registration Systems
Manual registration:-
It is the most basic and inexpensive method for registration control and comes as a standard accessory. Lateral and circumferential register control is given on machine itself with easy to use attributes.Motorized registration system (option):-
As an option Prakash offers motorized register system, wherein, an
operator can adjust registration laterally and circumferentially from a
remote desk.
This system offers greater control over the press in comparison to manual system and less manpower requirement. With motorized system, press comes with enclosure doors.
This system offers greater control over the press in comparison to manual system and less manpower requirement. With motorized system, press comes with enclosure doors.
Auto registration system (option):-
Prakash offers automatic registration control system with a proven
technology. It is close loop system equipped with intelligent camera
that continuously monitors and controls any deviation in registration.
It comes with an easy to use touch screen user interface. The major
advantage of this system is that it leads to huge saving by reducing
wastage considerably which takes place during start up of the press.
Inking System
The inking system consists of a swing-down ink fountain which allows easy cleaning. 24 keys/ lever across the width of the ink fountain roller control the ink feed. The ink override control mechanism on the ink fountain roller ensures quick distribution of the ink all along the surface of the roller during printing runs and also easy cleaning of the ink fountain.The gear-driven roller train (Comprising of copper-plated vibrator rollers, ink transfer and ink form rubber roller, ink feed and ink film on the plate cylinder or plate. Lever-style ink fountain is supplied as an option in Prakash presses.
Screw type inking
Lever type inking (option)
Remote inking (option) :-
Prakash offers highly efficient remote inking system for its printing
units. Each system comprise of 24 segments of the ink fountain,
individually driven by its own digitally controlled motor. Individual
segments are leak free and move linearly to the ink fountain roller. The
ink flow control is done from a centralized computerized console.
State-of-the-art software and electronics provide unmatched precision,
accuracy and speed in controlling and pre-setting ink fountains.
Remote Ink Control System leads to a huge savings in time and money as its background memory provides for setting the next job while the current job is running.
Remote Ink Control System leads to a huge savings in time and money as its background memory provides for setting the next job while the current job is running.
On/Off Controls
Manual controls:-
Manual on/off control is given on the machine itself for regulating ink, water, and impression.Pneumatic Controls (option) :-
Pneumatic on/ off controls are provided for ink, dampening, and
impression cylinder. Having this system saves lot of time and paper
wastage as master control is provided on the central control desk for
remote operation. Pneumatic is an option is prakash presses.
Drive System
Shafted:-
The shaftless drive option provides excellent control over web tension from reel stand to folder through electronically synchronized AC motors. Which brings optimum control of the web position at all times. Subsequent benefits in press running are.- Easy synchronization of printing units to a folder.
- Optimum access throughout the press.
- Faster, easier plate changer for regional editions.
- Reliable of AC motor drives
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