GB/T 17934.1-2021 English PDF

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GB/T 17934.1-2021: Graphic technology - Process control for the production of half-tone colour separations, proof and production prints - Part 1: Parameters and measurement methods
Status: Valid

GB/T 17934.1: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 17934.1-2021	344	Add to Cart	4 days	Graphic technology - Process control for the production of half-tone colour separations, proof and production prints - Part 1: Parameters and measurement methods	Valid
GB/T 17934.1-1999	559	Add to Cart	3 days	Graphic technology. Process control for the manufacture of half-tone colour separations, proof production prints. Part 1: Parameters and measurement methods	Obsolete

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Basic data

Standard ID: GB/T 17934.1-2021 (GB/T17934.1-2021)
Description (Translated English): Graphic technology - Process control for the production of half-tone colour separations, proof and production prints - Part 1: Parameters and measurement methods
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A17
Word Count Estimation: 18,115
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 17934.1-2021: Graphic technology - Process control for the production of half-tone colour separations, proof and production prints - Part 1: Parameters and measurement methods

---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, proof and production prints-Part 1.Parameters and measurement methods ICS 37.100.01 A17 National Standards of People's Republic of China Replace GB/T 17934.1-1999 Printing technology mesh color separation plates, proofs and Process control for the production of printed matter Part 1.Parameters and measurement methods (ISO 12647-1.2013, IDT) Released on 2021-05-21 and implemented on 2021-12-01 State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

GB/T 17934 "Printing Technology, Screen Color Separation, Proofs and Process Control of Production Printed Matter" is divided into 8 parts. ---Part 1.Parameters and measurement methods; ---Part 2.Lithographic offset printing; ---Part 3.Newsprint cold-set offset printing; ---Part 4.Publishing gravure; ---Part 5.Screen printing; ---Part 6.Flexographic printing; ---Part 7.Proofing process using digital data directly; ---Part 8.Direct use of digital data to verify the production process of printed matter. This part is Part 1 of GB/T 17934. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 17934.1-1999 "Printing Technology, Screen Color Separation, Proofs and Process Control of Printed Products" Part 1.Parameters and Test Methods. Compared with GB/T 17934.1-1999, the main technical changes except for editorial changes are as follows. a) Deleted "Edge width", "Reflectometer", "Positiveness of the film", "Emulsion direction of the film", "Moiré pattern (moire)", "Yangtu-type net" Terminology and definitions such as the tone value of the screen tone film, the tone value of the negative screen tone film, and the hard screen dot film (see the.1999 edition 3.3, 3.9, 3.18, 3.19, 3.23, 3.37, 3.38, 3.43); b) Added terms and definitions such as "CIEDE2000 color difference", "ICC color management", "verification printed matter" (see 3.4, 3.13, 3.42); c) The technical requirements for "data files and printing plates" have been added (see 4.2); d) The technical requirements for "samples or production prints" have been added (see 4.3); e) Deleted the technical requirements of the "separation film" part (see 4.1 in the.1999 edition); f) Deleted Appendix B "Backing Material for Measuring Reflectance Density" and Appendix C "Method for Measuring the Quality of Separation Film Online Spots" (see.1999 Version of Appendix B and Appendix C). The Chinese documents that have a consistent correspondence with the international documents cited in this section are as follows. ---GB/T 11501-2008 Photographic Density Measurement Part 3.Spectral Conditions (ISO 5-3.1995, IDT) ---GB/T 12823.4-2008 Photographic Density Measurement Part 4.Geometric Conditions of Reflection Density (ISO 5-4..1995, IDT) ---GB/T 17934 (all parts) printing technology, mesh color separation plate, sample sheet and process control of production printed matter [ISO 12647 (all parts)] The use of the translation method in this part is equivalent to the adoption of ISO 12647-1.2013 "Printing Technology Screen Adjustment of Color Separation Plates, Sample Sheets and Production Printed Matters" Process Control Part 1.Parameters and Measurement Methods. This section has made the following editorial changes. ---Corrected the standard drafting specification errors, added ISO 12647 (all parts) in the normative reference documents, and added Added ISO 12646 and ISO /T S10128, deleted ISO 12647-8; --In 4.3.1, ISO 12642 was changed to ISO 12642-2; ---Adjusted the order of references. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This part was proposed by the National Press and Publication Administration. This part is under the jurisdiction of the National Printing Standardization Technical Committee (SAC/TC170). Drafting organizations of this section. Shanghai Tobacco Packaging and Printing Co., Ltd., Shenzhen Jinjia Group Co., Ltd., Shenzhen Vocational and Technical College, Shanghai Hai Publishing and Printing College, Xiamen Jinxi Color Printing Co., Ltd., Changchun Jixing Printing Co., Ltd., Beijing Jinchen Xiwei Kean All Printing Co., Ltd., Yunnan Yuncheng Printing Co., Ltd., Guangdong Yisheng Testing Co., Ltd., Zhejiang Huiri Environmental Testing Co., Ltd., Beijing Printing Brush Academy, Dongguan Zhengbiao Testing Technology Co., Ltd., Jinhua Chengtuo Household Products Co., Ltd., Xi'an Nuofang Information Technology Co., Ltd., Shanghai China Business United Printing Co., Ltd., Jiangxi Yongzhuang Technology Co., Ltd., Shaanxi Jinyoubang Technology Co., Ltd., Xi'an Yuanzheng Intelligent Software Limited company. The main drafters of this section. He Xiaohui, Qian Jun, Lu Wei, Wang Lijie, Kong Lingjun, He Wenqiong, Lu Wenxuan, Wang Zhiming, Zhou Tengfei, Li Ye, Ye Lei, Xu Xin, Ou Haiya, Ma Lina, Su Shiqiao. The previous releases of the standards replaced by this part are as follows. ---GB/T 17934.1-1999. Printing technology mesh color separation plates, proofs and Process control for the production of printed matter Part 1.Parameters and measurement methods

1 Scope

This part of GB/T 17934 specifies and explains the minimum parameter set required for four-color printing process control, which is used to uniquely determine the printed matter Image visual characteristics and related technical characteristics of printed products, as well as basic process control that has nothing to do with the process under fully characterized printing conditions parameter.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. ISO 5-3 Photographic Density Measurement Part 3.Spectral Conditions (Photographyandgraphictechnology-Density measurements-Part 3.Spectralconditions) ISO 5-4 Photographic Density Measurement Part 4.Geometric Conditions of Reflection Density (Photographyandgraphictechnolo- gy-Densitymeasurements-Part 4.Geometricconditionsforreflectiondensity) ISO 12647 (all parts) Printing technology, screen adjustment, color separation, proofs and process control of printed matter (Graphic technology-Processcontrolfortheproductionofhalftonecolourseparations,proofandproduction prints) ISO 13655.Spectral measurement and chromaticity calculation of printed images in printing technology (Graphictechnology-Spectralmeasure- mentandcolorimetriccomputationforgraphicartsimages)

3 Terms and definitions

The following terms and definitions apply to this document. Note. The unit of the quantity is given together in the definition, and the dimensionless unit is 1. 3.1 Achromatic colour A color that has no sense of hue in vision. Note 1.Achromatic colors generally refer to black, white, and gray. For transmissive materials, "colourless" and "neutral" are also used to describe. Note 2.In printing practice, achromatic color can be produced by a single black ink, or it can be produced by a proper balance of three color (and an achromatic) ink. [CIE17.4,845-02-26] 3.2 Axisofascreen Among the two directions of the halftone pattern, the direction that presents the highest number of image elements (such as the number of points or lines) per unit length. 3.3 Chromaticcolour A color with a sense of hue in vision. Note. The printing primary colors cyan, magenta and yellow are colored inks. ......

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