Now,printing machine is generally composed of edition printing,ink system, Nano-imprint lithography system, feeding system.It’s works is the text image to be printed using film, CTP technology into the plate, mounted on the printing machine inking system, through the plate of the text and image transfer to the paper or other substrate object above, which will copy printed content out of a large batch of the same print.color flyer printing is one of this kind of printing.
Different printing press printing form,divide into relief,offset,gravure and stencil printing machine;installed version and embossing structure into flat and round applanation, circular applanation pressure round type printing machine.
The working principle of letterpress printing machine:
Relief printing is the oldest of the printing plate,it is the text part of convex, concave blank part. Coated with ink rollers roll over the plate surface, and part of the ink layer is raised with a layer of uniform, and the blank part of the ink is not stained with concave. The pressure mechanism transfer ink to the printing surface,thereby to obtain a clear print,copy the print.cheap letter head printing is usually use this method.
The working principle of offset printing machine:
Text part and a blank portion of a lithographic plate printing machine surface is nearly in the same plane. It uses the principle of water, oil repellent, make the graphic part of water resistance oil, a blank portion of oil resistant hydrophilic and not touch the ink, under pressure to make the ink part of transfer ink to the printing surface, thus completing the printing process.
The working principle of gravure printing machine:
The main characteristics of gravure printing machine is a printing plate on the graphic part concave, blank portion protruding, and layout structure letterpress printing machine on the contrary. The machine printed in monochrome, put the plate immersion rolling in the ink tank, the entire surface of the plate was covered in ink layer. Then, the ink layer surface belongs to scrape the plate blank portion, a protruding portion is formed blank, and the concave part is filled with ink, the ink layer is recessed areas deeper more thick. The machine to transfer ink to the recessed portion is printed matter by pressure, thereby obtaining print.
The working principle of screen printing:
Screen printing machine belongs to the stencil printing machine is the representative of the printing equipment, the plate is a pure silk material woven, arranged in a crisscross pattern clearly Jingwei screen. Has produced a flat, curved surface, forming, printing and dyeing, printing circuit and a new variety of rotary screen printing machine. Among them,characteristics of a new type of rotary screen printing machine speed and productivity is high it is the screen installed in the drum, the ink pouring in the drum. When the machine roller, rubber scraping knife pattern fast print to print.
With the further development of science and technology,China book printing is developing towards high speed, high efficiency, high-quality, many large multi-color multi-function machine, along with automation, intelligent footsteps, let us save manpower and material resources.