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GB/T 17934.3-2021 English PDF

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GB/T 17934.3-2021: Graphic technology - Process control for the production of half-tone colour separations, proofs and production prints - Part 3: Coldset offset lithography on newsprint
Status: Valid

GB/T 17934.3: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 17934.3-2021English494 Add to Cart 5 days [Need to translate] Graphic technology - Process control for the production of half-tone colour separations, proofs and production prints - Part 3: Coldset offset lithography on newsprint Valid GB/T 17934.3-2021
GB/T 17934.3-2003English439 Add to Cart 3 days [Need to translate] Graphic technology -- Process control for the manufacture of half-tone colour separations, proofs and production prints -- Part 3: Cold set offset lithography on newsprint Obsolete GB/T 17934.3-2003

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Basic data

Standard ID GB/T 17934.3-2021 (GB/T17934.3-2021)
Description (Translated English) Graphic technology - Process control for the production of half-tone colour separations, proofs and production prints - Part 3: Coldset offset lithography on newsprint
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard A17
Word Count Estimation 26,220
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 17934.3-2021: Graphic technology - Process control for the production of half-tone colour separations, proofs and production prints - Part 3: Coldset offset lithography on newsprint


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Graphic technology -- Process control for the production of half-tone colour separations, proofs and production prints -- Part 3: Coldset offset lithography on newsprint ICS 37:100:01 CCSA17 National Standards of People's Republic of China Replacing GB/T 17934:3-2003 Printing Technology Mesh Toning Separations, Proofs and Production Process Control of Printed Matter Part 3: Newsprint coldset offset lithography (ISO 12647-3:2013, IDT) 2021-12-31 Released 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted: This document is part 3 of GB/T 17934 "Printing Technology Mesh Color Separation Plates, Proofs and Process Control of Production Printed Matters" point: GB/T 17934 has published the following parts: --- Part 1: Parameters and measurement methods; --- Part 2: Lithographic offset printing; --- Part 3: Newsprint coldset offset lithography; --- Part 5: Screen printing; --- Part 6: Flexographic printing; --- Part 7: Proofing process using digital data directly; --- Part 8: Verification print production process using digital data directly: This document replaces GB/T 17934:3-2003 "Process control of printing technology halftone color separation films, proofs and printed products" Part 3: Cold-set ink offset printing for newsprint", compared with GB/T 17934:3-2003, except for structural adjustments and editorial changes In addition, the main technical changes are as follows: a) Deleted the relevant content of color separation film (see:2003 edition 4:1); b) Added technical requirements for data files and printing plates (see 4:2); c) Modified the mesh frequency, it is recommended to be 40cm-1~54cm-1 (see 4:2:3); d) Added aperiodic screening requirements (see 4:2:4); e) Modified the requirements for the summation of tone values (see 4:2:7); f) Added the grey balance calculation method based on newsprint (see 4:2:8); g) Added the definition of standard newsprint printing conditions (see 4:3:1, Table 1); h) Modified the characteristic requirements of printing substrates (see 4:3:2); i) Modified ink curing color and tolerance, adding reference ink curing color and DE2000 tolerance under white backing (see 4:3:2:3); j) Modified the tone value increase curve and added the mathematical description (see Figure 3); k) Modify the color registration error requirements (see 4:3:5); l) Deleted the appearance requirements of 4:3 printed matter (see 4:3 of the:2003 edition); m) Added additional printing conditions and flexographic printing conditions for improved newsprint (see Appendix D and Appendix E); n) Modified the tone reproduction range requirements (see D:2): This document is identical to ISO 12647-3:2013 "Printing Technology Screen Tone Color Separation Plates, Proofs and Process Control of Production Printed Matters" Part 3: Coldset Lithographic Offset Printing on Newsprint: The following editorial changes have been made to this document: --- Add ISO 12647-3:2005 and ISO 3664 to References: Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by the National Press and Publication Administration: This document is under the jurisdiction of the National Printing Standardization Technical Committee (SAC/TC170): This document is drafted by: Guangzhou People's Printing Factory Co:, Ltd:, Shenzhen Wangying Color Box Paper Products Co:, Ltd:, Shanghai Tobacco Packaging Printing Co:, Ltd:, Central Propaganda Department Publishing Product Quality Supervision and Testing Center, Xiamen Jinxi Color Printing Co:, Ltd:, Beijing Institute of Graphic Printing, Xi'an Nuofang Information Technology Co:, Ltd:, Shenzhen Press Group Printing Co:, Ltd:, Guangdong Yisheng Testing Co:, Ltd:, Zhejiang Huiri Environmental Testing Co:, Ltd: Company, Dongguan Zhengbiao Testing Technology Co:, Ltd:, Yiwu Hongtao Mould Factory, Shaanxi Jinyoubang Technology Co:, Ltd:, Jiangxi Yongzhuang Technology Co:, Ltd: Company, Shaanxi Juzhong Zhide Electronic Technology Co:, Ltd: The main drafters of this document: Li Baoqiang, Chen Guangxue, Zou Xianmao, Zhu Haiou, Xinjun, Lv Wenxuan, He Xiaohui, Ma Lina, He Zhengguo, Li Zhaoxue, Ou Haiya, Li Meifang, Su Shiqiao: The previous versions of this document and its superseded documents are as follows: ---First published in:2003 as GB/T 17934:3-2003; ---This is the first revision:

Introduction

When producing halftone prints, a minimum set of parameters in the color separation and printing process is defined in advance to uniquely define the product to be printed: The visual and other technical characteristics of the product are very important, such regulations allow correct production under qualified color separations (without repeated testing) become possible: This document is part 3 of GB/T 17934 "Printing Technology Mesh Color Separation Plates, Proofs and Process Control of Production Printed Matters" point: GB/T 17934 is intended to consist of eight parts: --- Part 1: Parameters and measurement methods; --- Part 2: Lithographic offset printing; --- Part 3: Newsprint coldset offset lithography; --- Part 4: Publishing gravure; --- Part 5: Screen printing; --- Part 6: Flexographic printing; --- Part 7: Proofing process using digital data directly; --- Part 8: Verification print production process using digital data directly: This document lists and explains the visual and related techniques for producing newsprint coldset lithographic offset halftone prints from halftone separation data: Minimum process parameters required for technical characteristics: Printing Technology Mesh Toning Separations, Proofs and Production Process Control of Printed Matter Part 3: Newsprint coldset offset lithography

1 Scope

This document specifies some process parameters and their values in the separation and print production of four-color or single-color newsprint: The selection is based on process considerations, covering process stages such as "separation", "plate making", "first signature or proof", and "production printing": This document aims to enhance communication between printers, publishers and advertisers, and to make the commissioning party aware of the intended printing effect of advertisements in order to Prepare accordingly: This document defines the basis for objective assessment of tolerances and quality in order to improve the competitiveness of newspapers and other media: This document applies to: --- Newsprint coldset lithographic offset printing production using color separation data; --- Digital direct imaging similar to the printing press to produce printing effects; --- Aperiodic screens and line screens with similar parameters can be provided: Although this document does not specify process controls for flexographic, digital and letterpress printing, the use of these production techniques and expectations The production targets defined in this document can also be used when printing products close to coldset offset lithography:

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document: GB/T 17934:1-2021 Printing Technology Mesh Tone Color Separation Plates, Proofs and Process Control of Production Printed Matters Part 1 Part: Parameters and Measurement Methods (ISO 12647-1:2013, IDT) GB/T 17934:7-2021 Printing Technology Mesh Tone Color Separation Plates, Proofs and Process Control of Production Printed Matters Part 7 Sub: Proofing process using digital data directly (ISO 12647-7:2016, IDT) ISO 5-3 Density measurement in photography and printing techniques - Part 3: Spectral conditions (Photography and graphic technolo- gy-Densitymeasurements-Part 3:Spectralconditions) Note: GB/T 11501-2008 Photographic Densitometric Measurement Part 3: Spectral Conditions (ISO 5-3:1995, IDT) ISO 2846-2 Printing technology - Color and transparency of four-color printing inks - Part 2: Coldset offset lithography (Graphic technology-Colourandtransparencyofprintinginksetsforfour-colourprinting-Part 2:Coldset offsetlithographicprinting) ISO /T S10128 Printing system adjustment method for printing technology matching color characterization data set (Graphictechnology- Methodsofadjustmentofthecolourreproductionofaprintingsystemtomatchasetofcharacteriza- tion data) Note: CY/T 128-2015 Printing System Adjustment Method for Printing Technology Matching Color Characterization Dataset (ISO /T S1028:2009, IDT) ISO 13655:2009 Printing technology Spectral measurement and colorimetric calculation of printed images (Graphictechnology-Spectral measurementandcolorimetriccomputationforgraphicartsimages) Note: GB/T 19437-2004 Spectral measurement and chromaticity calculation of printed images in printing technology (ISO 13655:1996, IDT)

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