GB/T 39141.2-2020 English PDF

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GB/T 39141.2-2020: Mineral and sapphire watch-glasses - Part 2: Assembly to the case by adhesive or using a gasket
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39141.2-2020	114	Add to Cart	3 days	Mineral and sapphire watch-glasses - Part 2: Assembly to the case by adhesive or using a gasket	Valid

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Basic data

Standard ID: GB/T 39141.2-2020 (GB/T39141.2-2020)
Description (Translated English): Mineral and sapphire watch-glasses - Part 2: Assembly to the case by adhesive or using a gasket
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y11
Classification of International Standard: 39.040.10
Word Count Estimation: 6,664
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Quoted Standard: ISO 286-1; ISO 286-2; ISO 14368-1
Adopted Standard: ISO 14368-2-2003, IDT
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the size requirements for round inorganic and sapphire watch glass contact surfaces assembled on the watch case with glue or sealing ring.

GB/T 39141.2-2020: Mineral and sapphire watch-glasses - Part 2: Assembly to the case by adhesive or using a gasket

---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.
Mineral and sapphire watch-glasses - Part 2.Assembly to the case by adhesive or using a gasket ICS 39.040.10 Y11 National Standards of People's Republic of China Inorganic and sapphire watch glass Part 2.Use glue or sealing ring to install Fit on the case 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

GB/T 39141 "Inorganic and Sapphire Watch Glass" is intended to be divided into the following parts. ---Part 1.Dimensions and tolerances; ---Part 2.Fitting on the case with glue or sealing ring; ---Part 3.Qualitative standards and test methods. This part is Part 2 of GB/T 39141. This section was drafted in accordance with the rules given in GB/T 1.1-2009. The translation method used in this part is equivalent to ISO 14368-2.2003 "Inorganic and Sapphire Watch Glass Part 2.Glue or Seal The fit of the ring to the case". The Chinese documents that have a consistent correspondence with the international documents cited in this section are as follows. ---GB/T 1800.1-2020 Product Geometric Technical Specification (GPS) Linear Dimension Tolerance ISO Code System Part 1. The basis of tolerance, deviation and fit (ISO 286-1.2010, MOD); ---GB/T 1800.2-2020 Product Geometric Technical Specification (GPS) Linear Dimension Tolerance ISO Code System Part 2. Standard tolerance zone code and limit deviation table of holes and shafts (ISO 286-2.2010, MOD); ---GB/T 39141.1-2020 Inorganic and sapphire watch glass Part 1.Dimensions and tolerances (ISO 14368-1.2000, IDT). This section has made the following editorial changes. --- Modify the graphical representation of the glue in Figure 1 to make it comply with the mechanical drawing specifications. This part was proposed by the China National Light Industry Council. This part is under the jurisdiction of the National Watch Standardization Technical Committee (SAC/TC160). Drafting organizations of this section. Shenzhen Fiyta Precision Technology Co., Ltd., Xi'an Light Industry Watch Institute Co., Ltd., Xinyuan Optical Industry (Shenzhen) Co., Ltd., Shenzhen Titan Clock and Watch Technology Co., Ltd., Tianwang Electronics (Shenzhen) Co., Ltd., EBO Boutique (Shenzhen) Co., Ltd. Company, Zhuhai Rossini Watch Co., Ltd., Shenzhen Renault Watch Co., Ltd., Shenzhen Geya Watch Co., Ltd., Zhejiang Zhuoyue Electronics Co., Ltd. Co., Ltd., Zhangzhou Haibo Industry and Trade Co., Ltd., Zhangzhou Hengli Electronics Co., Ltd., Dongguan Junyi Precision Hardware Products Co., Ltd., Zhangzhou Ying Zi Watch Co., Ltd. The main drafters of this section. Tang Haiyuan, Guo Didi, Zhao Yan, Guo Yujin, Wang Liangbiao, Jiang Zhijun, Wang Yanmin, He Guangxian, Li Yuzhong, Zhang Kelai, Zhong Fei, He Wei, Song Pengtao, Lai Xiqing, Xie Hairong, Russell Yun, Sha Linkai, Cai Riming, Zhang Wengong, Huang Yuanbin, Huang Yuanfeng, Shao Yueming, Lan Liping, Xiong Hansheng, Fan Li, Hong Xiaolan, Zhuang Manyi. Inorganic and sapphire watch glass Part 2.Use glue or sealing ring to install Fit on the case

1 Scope

This part of GB/T 39141 specifies the round inorganic and sapphire watch glass contact surface that is assembled on the watch case with glue or sealing ring The size requirements.

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 references, the latest version (including all amendments) applies to this document. ISO 286-1 Product Geometric Technical Specification (GPS) Linear Dimensional Tolerance ISO Code System Part 1.Tolerance, Deviation and Fitting Basis ISO 286-2 Product Geometric Technical Specification (GPS) Linear Dimension Tolerance ISO Code System Part 2.Standard Tolerance Zone Code And hole, shaft limit deviation table ISO 14368-1 Inorganic and Sapphire Watch Glass Part 1.Dimensions and Tolerances 3 Terms, definitions and symbols 3.1 Terms and definitions The terms and definitions defined by ISO 286-1 and ISO 286-2 apply to this document. 3.2 Symbols The following symbols apply to this document. (The symbols and terms used in Figure 1, Figure 2, and Figure 3 are given in Table 1) Table 1 Symbols and terms Symbolic term c Sealing ring compression (expressed as a percentage of the width) d glass diameter d1 Open surface diameter d2 Diameter of glass position d3 outer diameter of seal ring (uncompressed) d4 Seal ring inner diameter (uncompressed) e1 Sealing ring thickness e2 Compressed seal ring thickness e3 Glue space h1 height of glass cylinder ......

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