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Web Offset Printing Press- 3 Colour Satellite

Web Offset Printing Machine 3 Colour Satellite

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Get Price Now

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):-

Brush-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.

Spray Dampening (option):-

Spray-Dampening

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.

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):-

motorized-register-system

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.

Auto registration system (option):-

auto-registration-system

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) :-

Remote-inking1

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.

On/Off Controls

Manual controls:-

Manual on/off control is given on the machine itself for regulating ink, water, and impression.

Pneumatic Controls (option) :-

motorized-register-system

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

or presses where complex and frequent changes of web path, colour and paging are likely to be the norm, shaftless drives provide key benefits by simplifying set up and control. Shaftless drives also make future press extensions or re-configurations simpler, providing overall flexibility and future proofing.

Drive-system

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