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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 | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 39141.2-2020 | English | 114 |
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Mineral and sapphire watch-glasses - Part 2: Assembly to the case by adhesive or using a gasket
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GB/T 39141.2-2020
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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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