Method of creating effect at offset or type-offset planetary construction press

FIELD: printing processes to produce particular kinds of printed work.

SUBSTANCE: different color paint is applied to printing plate rolled up with paint within limits of definite pattern of mask.

EFFECT: improved quality of printing.

6 cl, 1 dwg

 

The invention relates to the printing industry, namely, printing method, known as "Orel print, and can be used for printing securities, as well as when printing a different multicolored printed products requiring protection.

The main advantage of using Orlovsky effect is the perfect combination of color elements of lines, that is impossible when using offset presses as sectional and planetary build.

Multicolored Orel image is a continuous colored line with the transition of colors. Under the color transition line refers to the staining of different areas in the appropriate color, with the transition boundary of the plot lines of the same color in the plot line of a different color is characterized by the absence of zones of mixing these colors. Technically the way Orel multi-color printing is based on rolling paint team printed forms using colorful patterns. Thus, the essence of this print is in the formation of the individual color areas on the color separations-templates, transferring them to the national team form and then to the printing surface. All the colorful patterns when applying them differently drawing on the team in printed form completely cover the entire area of the picturesque field team form.

Known is a procedure of forming a multi-color background image when Orlov printing (patent SU 1743341, CL 41 F 11/00, 23.06.92), characterized by the use of colorful templates representing different die configurations, as well as the lack of overlay zones when transferring ink from the surface of the templates on the team in form.

One of the shortcomings of the existing method of forming multi-color Wallpaper when Orlov printing is the absence of the mixing zone between two areas of different colors.

No zones of mixing two colors in Orlov printing is not possible to get a smooth color transition from one to another.

The known method Orlov printing, including rolling up certain areas of the team the printing plate of the plate cylinder two or more different color inks, education zone of combining colors with a smooth transition of colors and transfer of colorful images directly on paper or an intermediate offset cylinder (patent RU 2143344, 41 M 3/14, 1999 - prototype).

The known method does not allow to obtain a sufficient number of variants of colours, get in the zone smooth transition of colors, which reduces the security of the securities.

The technical result of the invention is to expand the functionality of offset and typeofsearch machines planetary construction, as well as getting Orlovsky image with Uwe is iconname zones of mixing colors. The proposed method will allow you to get in one run on any machine planetary building, for example on machines Super Simultan 212 and 312, two-sided image Orlovsky effect with sharp and/or smooth colorful borders in various combinations.

This technical result is achieved in that in the method of obtaining Orlovsky effect on offset or tipoftheday planetary machine building, consisting in the transfer of pre-nakatannuju one color print form other colors within a specific drawing templates by sending a link with a circumference that is a multiple step image, and is made in the form of a system of intermediate rollers and cylinders, with a rigid kinematic connection with the rolling of the rollers involved in crashpalace.

The method involves making one or more of the intermediate rollers or more of the intermediate rollers or cylinders axial reciprocating movement to create a smooth colorful borders in the axial direction and/or making one or more of the intermediate rollers or cylinders of the cyclic pulsating movement around the circumference of the printing form to create a smooth colorful borders in the direction of rotation of the plate cylinder.

Preferably use races the global template to increase the smoothness colorful border.

Mainly use two intermediate template roller with a mutual agreement.

In the method provided by the second template platen gaps in those areas colorful borders, want to keep sharp to get the combination on a single impression of smooth and sharp colorful borders.

The method in accordance with the present invention is a device and allows to obtain a printed image.

The method of obtaining Orlovsky effect on offset or tipoftheday machine planetary construction illustrated in the drawing, which shows a diagram of a variant of construction of the printing apparatus;

The method of obtaining Orlovsky effect is implemented on one of the possible schemes in which the paint supplied to the bottom of the plate cylinder 1 rolling roller 2, is removed from the last sample platen 4 with engraved placeholders. Through hard kinematic relations described group-based paint in the form of repetitive elements is transmitted to a sample of the platen 4 through the transfer roller 5 and the roller 6 on the rolling roller 7 of the upper plate cylinder 8, which gives plots of the form specified by the configuration repetitive elements.

Constructive solution might be possible to adjust the contrast C is Etowah border. For this purpose one or more rollers of the number of intermediate (4 and/or 5 and/or 6) must be raschetnymi, i.e. to have axial movement and/or the district ripple.

To further increase the smoothness colorful border using a raster pattern.

In addition, to obtain a combination of one impression of smooth and sharp colorful borders need to use two template roller, such as 4 and 6, while the second template roller must contain gaps in those areas colorful borders, want to keep sharp.

All of the rollers and the plate cylinder schema must have a circumference that is a multiple of the value of the named step pattern 3 (see drawing).

Thus, the invention improves the functionality of offset or typeofsearch machines planetary build, and allows you to have Orel image with extended zones of mixing colors.

Industrial applicability.

The invention can be used in the manufacture of multi-color printed products requiring protection.

1. The method of obtaining Orlovsky effect on offset or tipoftheday planetary machine building, consisting in the transfer of pre-nakatannuju one color print form other colors within a specific drawing templates, by transmitting the vein and its circumference, a multiple step image, and is made in the form of a system of intermediate rollers and cylinders, with a rigid kinematic connection with the rolling of the rollers involved in crashpalace.

2. The method according to claim 1, characterized in that place one or more of the intermediate rollers or cylinders axial reciprocating movement to create a smooth colorful borders in the axial direction and/or give one or more of the intermediate rollers or cylinders of the cyclic pulsating movement around the circumference of the printing form to create a smooth colorful borders in the direction of rotation of the plate cylinder.

3. The method according to claim 1, characterized in that use raster pattern.

4. The method according to claim 1, characterized in that use two intermediate template roller with a mutual agreement.

5. The method according to claim 1, characterized in that the second template cushion contains spaces in the appropriate places plots colorful borders.



 

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