2 color double coding high speed offset printer

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Overview
Quick Details
Type:
Offset Printer
Condition:
New
Plate Type:
Gravure
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Disen
Model Number:
DSS-247IIB2NP
Usage:
Card Printer, Label Printer, Paper Printer, offset printer
Automatic Grade:
Automatic
Color & Page:
Two Colors
Voltage:
220V
Gross Power:
1.5kw
Dimensions(L*W*H):
1900*935*1490mm
Weight:
1900KG
Certification:
CE Certificate
Product name:
2 color double coding high speed offset printer
Maximum paper size:
470*365mm
Maximum printing area:
450*345mm
Printing speed:
2000-8000 sheets/hour
Paper sheet weight:
28-300g/ square
Plate size:
470*395*0.15 mm
Blanket size:
470*420*1.95 mm
Power Of main motor:
1.5kw
Air pump motor:
0.55KW/220V
Registering mechanism:
Roller type side lay
After-sales Service Provided:
Engineers available to service machinery overseas
Supply Ability
Supply Ability:
50 Set/Sets per Month
Packaging & Delivery
Packaging Details
Standard export wooden packaging,2 color double coding high speed offset printer
Port
Guangzhou,Shenzhen,Hongkong
Lead Time :
one week

Product Description

Model

DSS-247IIB2NP

DSS-256IIB2NP

DSS-262IIB2NP

Maximum paper size
Maximum printing area
Paper type

470*365mm
450*345mm
28-300g
/ square

560*400mm
550*375mm
28-300g
/ square

620*450mm
600*450mm
28-300g
/ square

Printing speed

2000-9000 sheets/hour

2000-9000 sheets/hour

2000-9000 sheets/hour

Main motor
Air pump motor
Power

1.5kw
0.55kw
220v/50Hz

1.5kw
0.55kw
220v/50Hz

1.5kw
0.55kw
220v/50Hz

Machine size

1900*935*1490mm

1900*1000*1490mm

2100*1100*1600mm

 

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Offset printing is a commonly used printing technique in which the inked image is transferred (or “offset”) from a plate to a rubber blanket, then to the printing surface. When used in combination with the lithographic process, which is based on the repulsion of oil and water, the offset technique employs a flat (planographic) image carrier on which the image to be printed obtains ink from ink rollers, while the non-printing area attracts a water-based film (called “fountain solution”), keeping the non-printing areas ink-free. The modern “web” process feeds a large reel of paper through a large press machine in several parts, typically for several metres, which then prints continuously as the paper is fed through.

Development of the offset press came in two versions: in 1875 by Robert Barclay of England for printing on tin, and in 1904 by Ira Washington Rubel of the United States for printing on paper.

Offset printing process
The most common kind of offset printing is derived from the photo offset process,2 color double coding high speed offset printer, which involves using light-sensitive chemicals and photographic techniques to transfer images and type from original materials to printing plates. In current use, original materials may be an actual photographic print and typeset text. However, it is more common—with the prevalence of computers and digital images—that the source material exists only as data in a digital publishing system.

Offset printing process consists of several parts:
the inking system (ink fountain and ink rollers);
the dampening system (water fountain and water rollers);
the plate cylinder;
the offset cylinder (or blanket cylinder);
the impression cylinder.

In this process, ink is transferred from the ink fountain to the paper in several steps:
The inking and dampening systems deliver ink and water onto the offset plate covering the plate cylinder.
The plate cylinder transfers the ink onto the blanket covering the offset cylinder.
The paper is then pressed against the offset cylinder by the impression cylinder, transferring the ink onto the paper to form the printed image.

Web-fed refers to the use of rolls (or “webs”) of paper supplied to the printing press. 2 color double coding high speed offset printer,Offset web printing is generally used for runs in excess of five or ten thousand impressions. Typical examples of web printing include newspapers, newspaper inserts or ads, magazines, direct mail, catalogs, and books. Web-fed presses are divided into two general classes: coldset (or non-heatset), and heatset offset web presses; the difference being how the inks that are used dry. Cold web offset printing dries through absorption into the paper, while heatset utilizes drying lamps or heaters to cure or “set” the inks. Heatset presses can print on both coated (slick) and uncoated papers, while coldset presses are restricted to uncoated paper stock, such as newsprint. Some coldset web presses can be fitted with heat dryers, or ultraviolet lamps (for use with UV-curing inks). 2 color double coding high speed offset printer,This can enable a newspaper press to print color pages heatset and black & white pages coldset.

Web offset presses are beneficial in long run printing jobs, typically press runs that exceed ten or twenty thousand impressions. Speed is a determining factor when considering the completion time for press production; some web presses print at speeds of 3,000 feet per minute or faster. In addition to the benefits of speed and quick completion, some web presses have the inline ability to cut, perforate, and fold.

Heatset web offset
This subset of web offset printing uses inks which dry by evaporation in a dryer typically positioned just after the printing units. This is typically done on coated papers, where the ink stays largely on the surface, and gives a glossy high contrast print image after the drying. As the paper leaves the dryer too hot for the folding and cutting that are typically downstream procedures, a set of “chill rolls” positioned after the dryer lowers the paper temperature and sets the ink. The speed at which the ink dries is a function of dryer temperature and length of time the paper is exposed to this temperature. This type of printing is typically used for magazines,2 color double coding high speed offset printer, catalogs, inserts and other medium-to-high volume, medium-to-high quality production runs.

Coldset web offset
This is also a subset of web offset printing, typically used for lower quality print output. It is typical of newspaper production. In this process, the ink dries by absorption into the underlying paper. A typical coldset configuration is often a series of vertically arranged print units and peripherals. As newspapers seek new markets, which often imply higher quality (more gloss, more contrast), they may add a heatset tower (with a dryer) or use UV (ultraviolet) based inks which “cure” on the surface by polymerisation rather than by evaporation or absorption.

Sheet-fed offset
Sheet-fed refers to individual sheets of paper or rolls being fed into a press via a suction bar that lifts and drops each sheet onto place. A lithographic (“litho” for short) press uses principles of lithography to apply ink to a printing plate, 2 color double coding high speed offset printer,as explained previously. Sheet-fed litho is commonly used for printing of short-run magazines, brochures, letter headings, and general commercial (jobbing) printing. In sheet-fed offset, “the printing is carried out on single sheets of paper as they are fed to the press one at a time”. Sheet-fed presses use mechanical registration to relate each sheet to one another to ensure that they are reproduced with the same imagery in the same position on every sheet running through the press.

 

 

 

 

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