Offset printing machines from China

  • April 28, 2013

Offset printing machines from China


You will find bellow in this article the cheapest high quality small Offset printing machines from China.

Offset printing machines are the printing machines that use indirect lithographic printing technology, and now this machines are the most used machines in printing industry. In our days this Offset printing machines have been produced also in China, and at lower costs than the European producers.

If we are reffering to some basic principles used in Offset printing machines, either are produced in China or in other places from the world we can mention that the printing and non printing areas of the printing plate are on one level, the printed result of the different properties of the plate, in some areas, the areas to be print is ink accepting and water repellent, and in the area that remain unprinted is ink repellent and water accepting and the dampening system covers the non printing areas with a thin film of solution, in this way happen the printing process of Offset printing machines, and the one from China are respecting the same process.

For a good printing process there are a lot of parameters to measure and take care on Offset printing machines from China: surface tension of the ink and dampening solution accepting areas, roughness of the surface of printing plate, roller material, blanket ink, , capillary attraction of the printing plate, properties of the rubber covering of the inking rollers, compressibility of the printing blanket, ink viscosity, impurities of the water used in dampening solution, ph value of the material to be print , design of the printing press, printing units, inking units, dampening unit. All this are vey good controlled at the offset printing machine from China that we are selling.

The first model of offset printing machine from China that we have on sale is a sheet fed offset machine that we call NP47 II/ III.
China offset printing machine NP47 II/ III - 1 color press
The processes that can be done with this offset printing machine produced in China are:
1/ Printing
2/ Numbering
3/ Perforing
The NP47 II/ III offset machine from China adopt water damping plate way with straight-gear driven (or helical-gear driven), cross feed sheet, inching of upper & bottom margin, double sheets detector, adjustable frequency for speed, register by pull lay, centralized lubrication and computer control panel.
Specifications:
Maximum printing area: 454 x 345mm
Maximum sheet size: 470 x 365mm
Printing plate size: 470 x 380 x 0.15mm
Printing blanket size: 470 x 420mm
Paper weight: 28 -255 g/ sqm
Sheet feeder: Suction/cross feed
Mollenton Dampening
Ink roller: 10pcs (2 forme rollers) or 14pcs(3 forme rollers) to plus version
Dampening roller: 4pcs (1 forme rollers) or 5pcs (2 forme rollers) to plus version
Register device: Wheel side pull lay
Maximum Speed: 8000 sheets / hour
Main motor: 0.75 KW
Air pump motor: 0.55 KW
Power:220 V / 50 Hz
Size of the printing machine:1730 x 880 x 1250 mm
Weight : 610kg or 660 kg to plus version
Price: 4730 USD or 5280 USD for plus version, both prices for FOB China
Please contact us and find photos with this numbering capable Offset printing machines by clicking Chinese printing press .
There is also a version of this Offset printing machines from China that doesn’t have numbering, the P47 II/ III models and the prices for this printing machines are 3630 USD for normal version and 4180 USD for plus version both for FOB China
Please contact us and find photos with this offset printing machines by clicking Chinese printing press .

The printing plates used on Offset printing machines from China are thin and easy to mount on the cylinder, and are made from a base from aluminum that is than grained in electrolytic process and a ink accepting coating is applied to the base material , nowadays the precoated aluminum plates are the predominant printing plates used on Offset printing machines from China. For the developing of printing plates there are two types of photochemical reactions: the positive plate making and the negative plate making.

Another model of offset printing machine from China that we have on sale is a sheet fed offset machine that we call NP56 II/ III. It is press similar with NP47 II/ III but the working format is bigger.
China offset printing machine NP56 II/ III - 1 color press
The three things that can be done in one passing through this offset printing machine produced in China:
1/ Printing
2/ Numbering
3/ Perforing
The NP56 II/ III offset machine from China have the same construction like OM47 water damping plate way with straight-gear driven (or helical-gear driven), cross feeder for sheets, inching of upper & bottom margin, double sheets detector, adjustable frequency for speed, register by pull lay, centralized lubrication and computer control panel.
Maximum size of print area: 550 x 375mm
Maximum paper size: 560 x 400mm
Format of printing plate: 560 x 420 x 0.15mm
Rubber printing blanket size: 560 x 440mm
Cardboard/ Paper weight: 28-255 g/ sqm
Feeder for the sheets: Suction/cross feed
Dampening: Mollenton
Ink roller: 10pcs (2 forme rollers) or 14pcs (3 forme rollers) for plus version
Dampening roller: 4pcs (1 forme rollers) or 5pcs (2 forme rollers) for plus version
Registering device: Wheel side pull lay
Maximum Speed: 8000 sheets per hour
Main motor: 1.1 KW
Air pump motor: 0.55 KW
Power: 220V / 50 Hz
Machines dimensions: 1730 x 980 x 1250 mm
Weight : 720kg or 800kg for the plus version
Price: 5280 USD or 5830 USD for plus version, both prices for FOB China
Please contact us and find photos with this Offset printing machines by clicking Chinese printing press .
There is also a version of this Offset printing machines from China that doesn’t have numbering P56 II/III and the prices for this printing machines are 4180 USD for normal version and 4730 USD for plus version both for FOB China
Please contact us and find photos with Offset printing machines by clicking Chinese printing press .


The printing inks used on Offset printing machines from China is a highly viscosity mix between pigments, binders, additivies and carrier substance, the pigments from ink can be organic or inorganic are solid particles and determines the hue of the printing ink, the binder that bind the pigment to the material to be print is ussualy a varnish , and mineral oils are used as carrier, this oils are removed in the drying process.

The third model of offset printing machine from China that we have on sale is a sheet fed offset machine that we call NP62 II/ III.
China offset printing machine NP62 II/ III - 1 color press
The three things that can be done in one passing through this offset printing machine produced in China:
1/ Printing
2/ Numbering
3/ Perforing
The NP62 II/ III offset printing machine from China we can find converter speed adjustment, inching of head & tail margin, quick plate clamp, leaning paper stop, static elimination and other features that are making this press an ideal machine type for small printing businesses.
Maximum printing area: 605 x 430mm
Maximum paper/ cardboard size: 620 x 450mm
Printing plate size: 620 x 485 x 0.15mm
Printing Blanket Size: 616 x 509x1.9mm
Cardboard / Paper range of grammage: 28-255 g/ sqm
Feeder: Suction, horizontal feed
Water Dampening: Mollenton
Grinding rolls 6 of 10(with version 2)/14(with version 3)(II)NP system(inked 2)
Water stick 4(with a)/5(with version 2)(II type)
Registration:Wheel side pull
Maximum Printing speed: 8000 sheets/hour
Main motor power: 1.5 KW
Air pump machine power: 1.1 KW
Power supply: Single-phase 220 V
Machines size: 2020 x 980x 1250mm
Machine weight: 980 kg or 1050kg for plus version
Price: 7000 USD or 7300 for plus version both price are FOB China
Please contact us and find photos with this Offset printing machines by clicking Chinese printing press .
There is also a version of this Offset printing machines from China that doesn’t have numbering, P62 II/III and the price for this printing machines is 5800 USD or 5950 USD for plus version FOB China
Please contact us and find photos with Offset printing machines by clicking Chinese printing press .


The dampening solution at Offset printing machines from China is used to separate the image and non-image areas for preventing the transfer of ink onto non-image areas of the printing plate and is consist mainly in water but also preservative agents, wetting agents, IPA, buffer substances and antimicrobe additives all with a precise in the printing process: wetting agents and IPA are used to reduce surface tension, buffer agents are used to stabilize the PH value, and the antimicrobe additives are used for prevent the growth of algae into the pipes.

Other Offset printing machines from China that we are selling are the ones with 2 colors, also there are three models depending of the maximum sheet size.
China offset printing machine P247 - 2 colors press
This offset printing machine from China can only print, the numbering and performing can not be done with it like on the one color model. The offset printing machine has water damping plate way with straight-gear driven (or helical-gear driven), cross feed sheet, inching of upper & bottom margin, double sheets detector, adjustable frequency for speed, register by pull lay, centralized lubrication and computer control panel.
Maximum printing area: 454 x 345mm
Maximum paper/ cardboard size: 470 x 365mm
Printing plate size: 470 x 380 x 0.15mm
Rubber printing blanket size: 470 x 420mm
Cardboard /Paper weight: 28-250 g/ sqm
Sheet feeder: Suction/cross feed
Mollenton Dampening
Ink roller: 14pcs (3 forme rollers)
Dampening roller:5pcs (2 forme rollers)
Registering device:Wheel side pull lay
Maximum Speed: 8000 sheets per hour
Main motor: 1.1 KW
Air pump motor: 0.55 KW
Power: 220 V/ 50 Hz
Size: 2600 x 935 x 1400 mm
Weight: 1200 kg
Price: 11000 USD FOB China
Please contact us and find photos with this Offset printing machines by clicking Chinese printing press .


At Offset printing machines from China the inking units have an essential role in the printing process, their function is to provide a constant supply of fresh ink to the image areas for a constant inking process, with a equal balance between feeding and dispensing of the ink and also to have full control on temporary fluctuations of the average ink film thickness and uniformity of the ink film thickness on the image areas of the plate.

The second type of Offset printing machines from China with 2 colors is the P256 - 2 printing press.
China offset printing machine P256 - 2 colors press
This offset printing machine from China can only print and has water damping plate way with straight-gear driven (or helical-gear driven), cross feed sheet, inching of upper & bottom margin, double sheets detector, adjustable frequency for speed, register by pull lay, centralized lubrication and computer control panel.
Dampening, inking and plate pressure are controlled by pneumatic device.
Maximum printed area size: 550 x 375mm
Maximum paper dimensions: 560 x 400mm
Printing plate dimensions: 560 x 420 x 0.15mm
Rubber printing blanket dimensions: 560 x 460mm
Cardboard / Paper range of grammages: 28-250 g/ sqm
Suction / Cross sheet feeder
Dampening Mollenton
Ink roller: 14pcs (3 forme rollers)
Dampening roller:5pcs (2 forme rollers)
Registering device: Wheel side pull lay
Speed between: 2000-8000 sheets per hour
Power Main motor: 1.1 KW
Power air pump motor: 0.55 KW
Electrical Power: 220 V / 50 Hz
Machine dimensions: 2600 x 1040 x 1400mm
Weight: 1600 kg
Price: 13000 USD FOB China
Please contact us and find photos with this Offset printing machines by clicking Chinese printing press .


Offset printing machines from China have dampening units for suppling a very thin film of dampening solution to non-image areas of the printing plate because part of the dampening solution is printed via the ink, plate,blanket and the remaining part evaporates is necessary a constant supply of dampening solution that is done by the dampening units from Offset printing machines produced in China or in any other countries.

The third type of Offset printing machines from China with 2 colors is the P262 - 2 printing press.
China offset printing machine P262 - 2 colors press
Like at other types of offset printing machine from China with 2 colors that we sell this offset printing machine from China can only print and has water damping plate way with straight-gear driven (or helical-gear driven), cross feed sheet, inching of upper & bottom margin, double sheets detector, adjustable frequency for speed, register by pull lay, centralized lubrication and computer control panel.
Dampening, inking and plate pressure are controlled by pneumatic device.
Maximum sheet size: 620 x 450mm (cross feed)
Minimum sheet size: 180 x 260mm
Maximum printing area: 605 x 430mm
Cardboard/ Paper range of grammages: 28-250 g / sqm
Maximum Speed: 8000 sheets per hour
Size of the printing plate: 620 x 485 x 0.15mm
Size of Rubber printing blanket: 620 x 515 x 2mm
Ink roller: 14pcs (3pcs forme ink roller)
Dampening roller: 5pcs ( 2pcs forme dampening roller)
Power of the main motor: 1.5 KW
Power Air pump motor: 1.1 KW
Electrical features: 220 V/ 50 Hz/ single phase
Machine size: 2800 x 1180 x 1600mm
Weight : 1900kg
Price: 16800 USD FOB China
Please contact us and find photos with this Offset printing machines by clicking Chinese printing press .


The printing units that are at Offset printing machines from China consist in inking and dampening units, the plate cylinder that has a printing plate, the blanket cylinder with blanket on it, and the impression cylinder. We can describe the processes in the printing units of the Offset printing machines from China like this: the plate cylinder with the inked printing plate on it rolls over the printing blanket cylinder and after that the blanket cylinder rolls over the impression cylinder , and the impression cylinder rolls over the sheet of paper or other material to be print and for a good transfer of ink between plate and blanket and between blanket and paper/cardboard is necessary the same speed of the cylinders and also a high contact pressuer between them.

Besides this classical printing presses we have on sale another line of Offset printing machines from China with 1 color and perfector, and this printing machines are capable to print one colour on both faces of paper or cardboard at one time with the help of two printing plates that print positive and negative faces.

The first type Offset printing machines from China at this type is P47+1.
China offset printing machine P47+1
This offset printing machine can only print. The offset machine has water damping plate way with straight-gear driven (or helical-gear driven), cross feed sheet, inching of upper & bottom margin, double sheets detector, adjustable frequency for speed of the sheets, register with pull lay, centralized lubrication and computer control panel. Dampening, inking and plate pressure are controlled by pneumatic device.
Maximum size of printing area: 454 x 345mm
Maximum size of the paper/cardboard: 470 x 365mm
Printing plate dimensions: 470 x 380 x 0.15mm
Rubber printing blanket size: 470 x 420mm
Range of Paper and cardboard grammages: 28-250 g / sqm
Perfector
Suction/cross feeder
Dampening Mollenton
Ink roller:10pcs (2 forme rollers)
Dampening roller:4pcs (1 forme rollers)
Register device: Wheel side pull lay
Maximum Speed: 8000 sheets/ hour
Power of main motor: 0.75 KW
Power of air pump motor: 0.55 KW
Electrical features: 220 V/ 50 Hz
Machine Size: 2600 x 935 x 1600mm
Weight: 1000kg
Price: 11500 USD FOB China
Please contact us and find photos with this Offset printing machines by clicking Chinese printing press .


Sheet fed Offset printing machines from China have economic advantages over other printing presses, because of the flexible production options and a cheap production of printed products with high quality demands for a high range of print quantities. At Offset printing machines from China paper or cardboard to be print of different grammages and sizes are processed and these can be obtain off the shelf at very short notice and also the substrate that must be print is of different qualities and on this printing machines the operations that can be done are printing, numbering, perforating and punching.

The second model Offset printing machines from China at this type is P56+1.
China offset printing machine P56+1
This offset printing machine can only print. The offset machine has water damping plate way with straight-gear driven (or helical-gear driven), cross feed sheet, inching of upper & bottom margin, double sheets detector, adjustable frequency for speed of the sheets, register with pull lay, centralized lubrication and computer control panel. Dampening, inking and plate pressure are controlled by pneumatic device.
Max. printing area: 550 x 375mm
Max. paper: 560 x 400mm
PS plate: 560 x 420 x 0.15mm
Rubber blanket: 560 x 440mm
Paper weight: 28-250g/m2
Perfector
Feed sheet: Suction/cross feed
Dampening Mollenton
Ink roller:10pcs (2 forme rollers)
Dampening roller: 4pcs (1 forme rollers)
Register device: Wheel side pull lay
Speed: 2000-8000 sheets/hour
Main motor: 0.75 kw
Air pump motor: 0.55kw
Power: 220 V/ 50 Hz
Size: 2600 x 1040 x 1600mm
Weight : 1220kg
Price: 13300 USD FOB China
Please contact us and find photos with this Offset printing machines by clicking Chinese printing press .


If you want to check the quality of the print at Offset printing machines from China we can measure the following parameters: evenness of the optical density of the halftone areas, if the optical density fluctuates from copy to copy, there are immediately apparent when compare the printed products, evenness of the optical density of solid areas, perceived by the human eyes, halftone value transfer, constant halftone value must be achieved, absolute value of optical density and color location, and we can check the following effects: ghosting when image elements overlap onto subsequent areas, mottling that is a spotty and cloudy appearance of the ink on the material to be print, trapping that is a acceptance behavior of the ink in wet on wet overprinting of several inks, gloss of the print.

The third model of Offset printing machines from China at this type is P62+1.
China offset printing machine P62+1
This offset printing machine can only print. The offset machine has water damping plate way with straight-gear driven (or helical-gear driven), cross feed sheet, inching of upper & bottom margin, double sheets detector, adjustable frequency for speed of the sheets, register with pull lay, centralized lubrication and computer control panel. Dampening, inking and :plate pressure are controlled by pneumatic device.
Max. paper dimension: 620 x 450mm (cross feed)
Min. paper size :180 x 260mm
Max. printing area: 605 x 430mm
Paper weight: 45-250g/sqm
Perfector
Speed: 1000-8000 sheets per hour
Printing plate size:620 x 485 x 0.15mm
Rubber blanket: 616 x 505 x 1.9mm
Ink roller: 10pcs (2pcs forme ink roller)
Dampening roller: 4pcs ( 1pcs forme dampening roller)
Main motor: 1.1 kw
Air pump motor: 0.55kw
Electrical features: 220V / 50 Hz
Machine Size: 3000 x 1180 x 1600mm
Weight: 1400kg
Price: 17400 USD FOB China
Please contact us and find photos with this Offset printing machines by clicking Chinese printing press .


For measuring the quality parameters of the printing process done with Offset printing machines from China can be used: densitometry, measurement of colorimetric, gloss, register differences, whiteness, screen frequency, sharpness of contour, but we can be sure that offset printing process done with the this offset printing machine is a high quality one.

We have also on sale a full range of Offset printing machines from China with 2 colors that can done printing, numbering and indentation .
China offset printing machine NP47 IIS - 2 color press
This Offset printing machines from China can print, numbering and indentation. The offset machine adopt water damping plate way with straight-gear driven (or helical-gear driven), cross feed sheet, inching of upper & bottom margin, double sheets detector, adjustable frequency for speed, register by pull lay, centralized lubrication and computer control panel. resin relief printing plate.
Maximum printing area: 454 x 345mm
Maximum paper: 470 x 365mm
PS plate: 470 x 380x 0.15mm
Rubber blanket: 470 x 420mm
Paper/ cardboard weight: 28-255g/sqm
Mollenton Dampening
Ink roller:10pcs (2 forme rollers)
Dampening roller: 4pcs (1 forme rollers)
Register device: Wheel side pull lay
Maximu Speed: 8000 sheets per hour
Main motor: 0.75kw
Air pump motor; 0.55kw
Electrical: 220v/ 50hz
Machine dimensions: 1730 x 880 x 1250mm
Weight: 700 kg
Price: 6330 USD FOB China
Please contact us and find photos with this Offset printing machines by clicking Chinese printing press .

If we are referring to paper travel through an offset printing from China we can tell that high precision coveyor systems, guide elements and monitoring equipment are necessary to route the sheet from feed pile via the feeder, through the printing units to the delivery where the printed sheet is staked in a pile, each sheet is aligned with a high precision before it is fed to the printing unit this is why the sheet must be slow down to be aligned with front and guide sides.

China offset printing machine NP56 IIS- 2 color press
This Offset printing machines from China can print, numbering and indentation. The offset machine adopt water damping plate way with straight-gear driven (or helical-gear driven), cross feed sheet, inching of upper & bottom margin, double sheets detector, adjustable frequency for speed, register by pull lay, centralized lubrication and computer control panel. resin relief printing plate.
Max. printing area: 550 x 375mm
Max. paper: 560 x 400mm
PS printing plate: 560 x 420 x 0.15mm
Rubber blanket: 560 x 440mm
Paper/ cardboard weight: 28-255g/sqm
Mollenton Dampening
Ink roller:10pcs (2 forme rollers)
Dampening roller: 4pcs (1 forme rollers)
Register device: Wheel side pull lay
Maximu Speed: 8000 sheets per hour
Main motor: 0.75kw
Air pump motor; 0.55kw
Electrical: 220v/ 50hz
Machine dimensions: 1730 x 980 x 1250mm
Weight: 820 kg
Price: 7700 USD FOB China
Please contact us and find photos with this Offset printing machines by clicking Chinese printing press .

The double sheet detector mounted on the Offset printing machines from China must detect if two or more sheets are picked up together and guided to the feed table for avoiding damages, as soon as a double sheet is detected in the feeder, the feeder stop the conveyance of the double sheet and any following sheets.

China offset printing machine NP62 IIS- 2 color press
This Offset printing machines from China can print, numbering and indentation. The offset machine adopt water damping plate way with straight-gear driven (or helical-gear driven), cross feed sheet, inching of upper & bottom margin, double sheets detector, adjustable frequency for speed, register by pull lay, centralized lubrication and computer control panel. resin relief printing plate.
Max. paper: 620 x 450mm (cross feed)
Min. paper: 180 x 260mm
Max. printing area: 605 x 430mm
Cardboard/ Paper weight: 45-250g/sqm
Mollenton Dampening
Ink roller:10pcs (2 forme rollers)
Dampening roller: 4pcs (1 forme rollers)
Register device: Wheel side pull lay
Maximu Speed: 8000 sheets per hour
Main motor: 0.75kw
Air pump motor; 0.55kw
Electrical: 220v/ 50hz
Machine dimensions: 1960 x1050 x 1360mm
Weight: 900 kg
Price: 8700 USD FOB China
Please contact us and find photos with this Offset printing machines by clicking Chinese printing press .

We will find some general technical details and explanation at how the offset printing machine work by clicking used offset printing machines

All the Offset printing machines from China that we have on sale you can find at the bellow link.