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  Homepage>> four-color printing press >> Huaguang five opening series
HG452B Heavy-Duty Four-Coler Offset Press
HG452B Heavy-Duty Four-Coler Offset Press  

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 The product explain
 

★.The features of super thick overall cast iron walling and staunch cast iron foundation as well as the typical offset printer structrure the high-speed operation stability,high precision,long life and enough printing pressure,Additionally,the vibration-free running of the dampening  and inking rollers and the roller bearings ensure the long smooth running and constant printing quality to the press;

★.The rubber cylinder adopts the large-scale offset printer's usual impression technology -three-point suspension technology with accurate and reliable pressure adjustment.The cylinders are adjusted independently without interference to each other,protecting the roller bearings.

★.The outside high precision gear drive and cylinder bearer are adopted to ensure the steady printing pressure transmission and stable rolling of the roller as well as the large area of field printing,clear screen dot duplicating and petty characters printing.

★.The  overall machine is supplied with the oil in an collective way so that all the gears and bearings are lubricated from time to time when starting up or in operation(single~color press adopts manual pump).

★.The whole inking unit is composed of 15 inking rollers,including 4 plate rollers of different diameters,featuring quick system response and excellent ink distribution.The ink fountains are zone controlled by ink fountain key and the individual adjustment is also available and not interfered with each other.In this way,it guarantees enough ink reserve and uniform ink supply.

★.Adopt big machine"s special feeder and paper feeding plate,including elaborate two suction nozzle pick-delivery-type sheet feeding unit and conventional uploading brush,and sheet pressing roll belt friction-type paper feeding plate.The roller wheel type side drawing guide sheet transfer unit adopts standard upward swing sheet transfer unit,and the holding tooth will close up at the cam's high point,thus the sheet transfer is stable and accurate.

★.The quick plate clamps with the locating pins on the plate cylinder is convenient for the quick loading and unloading of the printing plate.Remote controlled adjustment device can adjust the printing plate in the circumferential,axial or diagonally direction without stopping the press.The axially adjusting allowance is ±1.5mm,circumferentially adjusting allowance ±0.67mm,and bevel adjusting allowance ±0.45.Particularly,the registration adjustment in diagonal direction is HGPM's own proprietary technology.

★.For the half high pile delivery,the number of the gripper bars is increased from 2 to 5 and the extended delivery distance is in favor of the thorough drying of the printings. 

 

Ink remote control key (optional for CPC ink supply system)
The performance of the ink fountain is very stable.Sixteen zones can be adjusted via the operating panel or touch screen on the master control desk.Allthe ink zones can be adjusted at the same time,saving the time and paper .With the ink quantity preset and job memory function,the operator can easily call the printing data concerned and enter the printing status quickly.

 

Three-point suspended impression mechanism
This machine also has the advantageous three-point suspended impression mechanism,the iternational most advanced roller pressure adjusting technology,in its rubber cylinder.The pressure adjustment is accurate and reliable and the adjustments among the cylinders doesn't interfere with each other.

     
 
Cylinder bearer
The outside high precision bevel gear drive and cylinder bearer are adopted to ensure the steady printing pressure transmission and stable rolling of the cylinder as well as the large area of field printing,clear screen dot duplicating and petty characters printing.
  Zoning ink fountain
The ink fountain has sixteen ink supply zones,refining the ink supplying range.In the actual operation,the ink quantity can be adjusted by the zones.It features speedy,visual,easily operative and well-distrbuted ink quantities.

   HG52B Main Typical Configuration
 


Control console diagnostic information display system

Pneumatic control

Feeder head paper transfer sucker height adjustment

Feeding paper face height adjustment

Skewed sheet & double sheets detection

Circumferential,axial and bevel remote control registering mechanism

Ink roller cleaner

Independent motor driven fountain roller drive

Dampening rollers and ink rollers

Manual zoning ink fountain(16zones)

Dampening roller pneumatic clutch

   


Low pile delivery with sheet slowdown

Vibration and starting time adjustment for ink vibrator

Timed and quantitative collective lubricating system

Air compressor(Taiwan Fusheng)

Air pump(Orion,Japan)

Driving panel step

Operating panel step

Oil collector dish

Plate damping liquid system with automatic addition of alcohol

Sheet feed &delivery cart (three)

   HG452B Main properties
  HG452B
 Max.paper size
  520×360mm
 Min.paper size
  260×190mm
 Max.print area
  505~340mm
 Printable paper weight
  0.04-0.4mm
 Printing speed
  3000~10000sheet/h
 Plate size
  510×400×0.15mm

  Blanket size

    510×450×1.95mm

  Gripper size

    8~10mm

  Ink Roller quantity

    Ink rollers per unit:15 (4 form rollers) 

  Dampening type

    Alcohol dampening

  Plate type 

    Circumferenital,axial and bevel adjustment without
    stopping the press

  Speed adjustment

    Stepless by inverter

  Max.paper pile at feeder

    400mm

  Max.paper pile at delivery

    450mm ( HG452BH / HG552BH )
  Power suply
  10KW (3 phases)
 Weight
  7400Kg
 Overall dimensions
  4040×1470×1560mm

 

 

 

 

 

 

 

 

 

 

 

 

HG52series

Main functions

Type

HG52A

HG252A

HG452A

HG252B

HG452B

quick-clippling plate

Water dampening system

 

 

Pneumatic water form rollers

 

 

 

 

remote controll plate adjustment system

 

 

 

electric central lubrication system

alcohol dampening system

 

 

 

operation table

 

 

 

   

    
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