This part of GB/T17934 specifies the quality requirements and test methods for cold-set offset printing of newsprint with single and multi-color inks. This part applies to the proofing and printing process of newsprint cold-set offset printing with halftone color separations, and also applies to the direct to plate process (CTP) and the corresponding proofing and printing process. This part does not apply to line screens and non-periodic screens. GB/T 17934.3-2003 Printing technology Process control of halftone color separations, samples and printed products Part 3: Cold-set offset printing of newsprint GB/T17934.3-2003 Standard download decompression password: www.bzxz.net
This part of GB/T17934 specifies the quality requirements and test methods for cold-set offset printing of newsprint with single and multi-color inks. This standard applies to the proofing and printing process of newsprint cold-set offset printing ink using halftone color separation film, and also applies to direct to plate process (CTP) and the corresponding proofing and printing process. This standard does not apply to line screens and non-periodic screens.

[CS 37.100.C1
National Standard of the People's Republic of China
GB/T17934.3--2003
Generation 1/1147051553www.bzxz.net
Printing Technology
Process Control of Half-Tune Separations, Proofs and Printed Products
Part 3: Coldset Offset Printing on Newsprint[IS0 12647.3: I98,Graphic Technology—Protss rnitol for the unufaclureof hali-lonecolourHtpmralioiinproofsanl yroducticnprinls-Parl 3;Coldse:l offsei lilograpky anl letterpreas on newsprin,MOD)2003-06-24 release
People's Republic of China
National Quality Supervision Inspection and Quarantine Administration
2003-12-01 implementation
(G/T17934.3—2003
GH/17931 Printing Technology Network Monthly Color Separation Film, Accounting and Inventory Finished Product Addition System is divided into: Part 1: Part [Parameters and Methods of Dyeing Part 2 · Offset Printing
Part 1: Offset Printing Part 5: Four-color Screen Collection Part 6: Case Rotten Edition Annual Printing Part 1… Lai? Part · Photographic Printing
This part is divided into Part 3 of G/17934
This part modifies the use of 1 heart 1264710 Printing Technology Network Through the color separation film, sample account and printing example finished product added with the control of the new cold setting type printing and printing (English version). The same paper type oil plastic strip printing and multi-color cavity printing before the founding of the People's Republic of China is busy, 4 results 15012647-3:18, this part is for the technical difference of the editor: the relevant technical difference is included in the text and the margins of the strips involved are marked with vertical single marks. (The technical calculation and its effect are given in the accompanying table for reference) This part replaces CB/1-705-195 Newspaper printing and inspection requirements and inspection methods 3. Appendix A of this part is the current version, and Appendix B is the data for the summary of this part. This part is published by the General Administration of Press and Publication of the People's Republic of China. This part is under the jurisdiction of the China Technical Association, China Institute of Printing Science and Technology, People's Daily Printing! The Jiefang Daily Printing Factory, Jiefang Sanbao Printing Factory, and Fengwanbao Printing Factory are mainly responsible for this part. The main people are Daxiang, Benjia, Shanzhong, Shunu, Zhuanduanmei, Yingshengwang, Hesuo, and Peng Guoxing. GB/T 17934.3-2003
When adjusting the color blank product performance, a set of minimum visual parameters for proofing and printing performance should be pre-determined. It is very important for color separation personnel, proofing personnel and printing personnel to improve the visual effect of the final product. This regulation can produce qualified proofs and can quickly simulate the visual effect of the final product through non-printing machine proofing or printing machine proofing. This part lists a type of minimum visual value required by the process, which is used to determine that the new cold oil offset printing model proofing sample and printed product meet the relevant technical performance.
Printing Technology Network Process Control of Color Separation Sheets, Samples and Printed Products
Part 3: Cold-setting Ink Offset Printing of Newsprint CB/I17934.3--2003
This part of GE/I17934 specifies the quality requirements and inspection methods for cold-setting ink single-color and multi-color cavity printing. This part is applicable to color separations! The new version of the two versions is used for proofing and printing of solid oil offset printing materials. The printing plate is directly used for plate making 1 (CT and the corresponding virtual plate making. This part is not applicable to strip screens and non-synchronous screens. 2 Normative references || tt || The following documents are applicable to the reference of GB/17934 and become the collection of this part. The date of the document can be upgraded. All subsequent quick revisions (excluding errata) or static versions are not applicable to this part. However, you are encouraged to follow this part. The parties to the agreement shall study whether the latest versions of these documents can be used. For any other documents that have not been noted for a long time, the latest versions shall apply to the six departments, G3/891:.3 Paper and board width gloss determination method (GB/8541.3-198, TAF4:18
Photographic measurement of light conditions GBT501-1989, 1mTS)51:924) GH/11531
/1793.1 Printing technology network monthly adjustment of self-film, Process control for samples and printed products - Part 1: Parameters - (GR/T17934.-1955cgI5012647-:199) CY/T3 Color evaluation - Part 1: Parameters - (GR/T17934.-1955cgI5012647-:199) CY/T3 Color evaluation - Part 1: Reflection density measurement - Part 2: Reflection density measurement - Part 3 Terms and meanings - The terms and meanings established in GB/T17934.1 and other specific terms and meanings shall apply (3/T=79, 3.1 Cold setting type Offset printing adselotse
The method of printing on the substrate without the need for more lithographic printing. 3.2
Non-periodic screen nmm-perindic:screer No current screen angle, no fixed continuous screen room, generally adjust the screen. 3.3
Background removal (ndercarreumaliC)
In the West, reduce the proportion of one color in the image, and increase the amount of color. 3.4
Gray or grayscale replacement (CR) is a process in which the gray component of the three original gray components is completely removed from the printed area and replaced with gray components to compensate for the gray components.
Color separation film linearization error tolerance of nearization The difference between the percentage of dots measured on the color separation film and the percentage of dots displayed on the electronic file of the sequence. GH/T17934.3—2003
4 Quality requirements
4.1 Color separation film requirements
4. 1.1 Quality
The solid density value of the color separation film (including the film base density value) is 3.5U, the zero density value of the film (including the multi-room film base), the transparent part of the 5-dot area should be transparent
The linear error of the color separation film should be more than 2,
The dot edge load (the edge width cannot be too wide, the screen line density is 113, the dots on the separation film, the text should not be immediately visible, the color separation film virtual layout is eliminated, there is no shaving, dirt, or folding. The quality of the color separation film shall be determined in accordance with the Appendix (Observation) of R/17954.1 4.1.2 Screen count
For monochrome and color printing, the screen efficiency is 34/em--3# tm85 line ir~line in) 4.1.3 Screen angle
For monochrome printing, the screen angle is 5
For color printing, the screen dot with the main axis of light is preferably 3/4. In this case, the screen angle of magenta and black plates should be 3/4, and the screen angle of the main plate should be 1/4. For color printing, use screen dots with a fixed axis (such as new quality 3/4). Dots) Ken, magenta and black version of the screen angle to find the room for 6, earth color version of the screen should be 45 or 135 ° British version of the screen line negative degree of 3 "suitable is the skin color version, in the case of multiple effects, the main is the medical version or magenta version, 4.1.4: Dot shape || tt || can be disabled force shape, medical shape or other dot shape dots. The recommendation is to use circular dots, the first dot overlap appears in the adjustment of the film to 4 guests, the three dot broadcast according to the value of the study, 4.1.5 registration error || tt || registration points The diagonal length error of the film is as follows: 4.1,6 The total of the tone values ​​
The total of the tone values ​​must not exceed 260%. When the total of the tone values ​​reaches the compensation limit, the black plate tone value exceeds 5%. 4.1.7 Gray balance
is the visual balance of the measured print. It is generally expressed by the combination of the tone information and the dot area on the color separation film.
The second 14th step
The intermediate period
uses different sheets, inks and printing systems, and the effect is different for users.2 Printing requirements
4.2.1 Visual effect of the image
Printing substrates (i.e. new paper colors
4.2.1.
Printing materials (i.e. new paper colors) should conform to the values ​​specified in Table F (IF values) and be within the full tolerance specified in the table. The proofing substrates should be placed together with the printing substrates for reduction. The deviation of CEI between the proofing substrates and the actual printing substrates should not be judged as Table 2.
Note: IF values ​​are the three standard color fastness values ​​recommended by the International Commission on Illumination (CIE). The CEI values, glossiness and brightness of the new paper are the color reference values. Beiyang Kang"
BT179$4.32003
5G 1 4
The measurement shall be in accordance with GB/T1753.15.1.2, 45 or /45 condition, black substrate. The measurement range shall be in accordance with GBT6941.3.
6: Emissivity at:
Color of substrate
The substrate to be printed shall meet the requirements of Table 1.4.2.1.3 Ink color package
The color strength of the sample shall be within the range specified in Table 4. The color strength shall meet the requirements of Table 3. The color difference shall be within the range specified in Table 4. The color strength shall meet the color tolerance between the ordered sample and the printed sample. F technology should be within the range specified in Table 4: the production process is subject to the actual quantity changes after the sequence conditions: therefore, the color difference between the finished product and the printed sample should not exceed the standard value of the heat treatment in 4. Note 1. The color guarantee depends on the color of the card. It will vary with the general root. The surface durability and suitability of the ink are the same as the color of the printing surface. The color is not guaranteed by the system. Note: "The new area is the same as the white plastic. The same color is required for the new printing sample. The same color is required for the new printing sample. The CIE 3000 is applicable to the new paper or proofing substrate. LABL, 'target value,
·Green:
Cyan + Red Blue)
Product + Yellow ()
Meet the year to receive the 1793:.1 in.6 regulations 1% said 2 period +5/5 or 045 what policy, quality waste, poly 4 printing primary color oil plastic solid CIE LAB AE% Color difference value M
GB/T17934.3—2003
4.2.2 Tone value exemption range
Subcontracting calculation--855% of the dots should be evenly transferred to the substrate. 4.2.3 Overprint error
The overprint position difference between the two color plates should be %, 0.30m. 4.2.4 Dot gain value
4.2.4.1 Target value
The dot gain of the next printing period shall comply with the provisions of Table 5 and be within the specified error range of Table 6. The measurement method shall comply with the provisions of GB/117934.1.
Table 5 Color print dot gain values ​​corresponding to 50% of the film dots on the film Dot size
F-type rice village production Du class smooth plate
Reading network plate, contact class light wine brand
Note: The color printing is the reason for the plastic printing test, so the pressure dot value should be higher than the highest color. 4.2.4.2 Error and halftone expansion
The error of the halftone gain value of the printed sample obtained according to the standard specified in 1.2.4.1 should be within the deviation range specified in Table 6. The halftone expansion of the printed sample or the finished product shall not exceed the values ​​given in Table G. The measurement method shall comply with the provisions of G/117934.1. The tolerance between the halftone gain of the printed product and the printing requirements shall be within the range specified in Table 5. Table E proof sheet. The halftone gain value of the printed product and the midtone expansion and suppression difference. The maximum halftone expansion is in the middle (M: Y, the primary color halftone is estimated to be the same as the previous tolerance. Appearance requirements of printed products. 4.3.1 The plate is neat and tidy, without uniform marks, wrinkles and grooves. 4.3.2 The text is clear and without shadows, and there is no obvious drop, break, plate and bad characters. 5 Inspection conditions and instruments 5. 1 Inspection and supervision conditions:
The quality inspection documents of India meet the requirements;
) The working environment is neutral gray, anti-static, clean and tidy; b) The working environment visibility is (315%), and the quantity is (6)%; c) The light source of color printed samples meets the requirements of CY/T3. 5.2 Verification necessities and tools
Basic inspection instruments or tools:
Densitometer that meets the requirements and has been calibrated;
The residual light aperture of the density meter should be.
b) Colorimeter that meets the requirements and has been calibrated and qualified:
5C5 digital magnifier
10--15 times magnifying glass;
Measurement and control parameters that meet the requirements:
GB/T17934.3—2003
Specification: The mesh size should be 34 lines/cm--48 lines/cm, dot shape: dot degree or 1u, actual quality: 4.0, no selection for spectrum, diffuse reflection, and no color background with 1.5±0.21 reflection integrality. GH/T:17934.9—2003 (Normative Record) Printing original ink solid reflection density inspection table 1 gives the reflection density of the printed original ink solid on the test print in the table, 1 the reflection density value of the printed original ink solid measured on the test print used in table 3 is A. 1 (non-standard solid has a set degree according to the response in the specification). Specification standard G, size-1, 1. 21~-c. 25. 5~.1 12. 0. 23~-0. 25
C.22--C.23
C.F5.-1.2
All closely related oxygen and oxygen should be measured according to the standard and under the same conditions as the medical test.
Appendix B
(Informative)
This part has the technical differences with ISO 12647-3199B and its original components. Table 1 shows the differences between this part and ISO 12647-3, 1998. Table B shows the technical differences between this part and ISO 12647-3, 1998 and their reasons. This part is in accordance with the provisions of this standard.
4.2.4.4 The technical length of the support
GB/T17934.3-2C03
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