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GB/T 39141.1-2020: Mineral and sapphire watch-glasses - Part 1: Dimensions and tolerances
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 39141.1-2020 | English | 114 |
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Mineral and sapphire watch-glasses - Part 1: Dimensions and tolerances
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GB/T 39141.1-2020
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Basic data | Standard ID | GB/T 39141.1-2020 (GB/T39141.1-2020) | | Description (Translated English) | Mineral and sapphire watch-glasses - Part 1: Dimensions and tolerances | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y11 | | Classification of International Standard | 39.040.10 | | Word Count Estimation | 6,630 | | Date of Issue | 2020-10-11 | | Date of Implementation | 2021-05-01 | | Regulation (derived from) | National Standard Announcement No. 21 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 39141.1-2020: Mineral and sapphire watch-glasses - Part 1: Dimensions and tolerances---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 1.Dimensions and tolerances
ICS 39.040.10
Y11
National Standards of People's Republic of China
Inorganic and sapphire watch glass
Part 1.Dimensions and tolerances
2020-10-11 released
2021-05-01 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 1 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 section is equivalent to ISO 14368-1.2000 "Inorganic and Sapphire Watch Glass Part 1.Dimensions and Tolerances".
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).
This section has made the following editorial changes.
--- Incorporate ISO 14368-1.2000/Cor1.2006 into this part, and the clauses involved in these amendments have been passed on its outer page
The vertical double line (‖) of the margin position is marked;
---The error was corrected, and the " >30.5" in the last line of Table 2 was changed to "≥30.5".
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. FIYTA (Group) Co., Ltd., Xi'an Light Industry Watch Research Institute Co., Ltd., Xinyuan Optical Industry (Shenzhen)
Shenzhen) Co., Ltd., Shenzhen Titan Clock and Watch Technology Co., Ltd., Tianwang Electronics (Shenzhen) Co., Ltd., Ebo Boutique (Shenzhen) Co., Ltd.,
Zhuhai Rossini Watch Co., Ltd., Harbin Institute of Technology, Shenzhen Renault Watch Co., Ltd., Shenzhen Geya Watch Co., Ltd., Zhejiang
Zhuoyue Electronics Co., Ltd., Zhangzhou Haibo Industry and Trade Co., Ltd., Zhangzhou Hengli Electronics Co., Ltd., Dongguan Junyi Precision Hardware Products Co., Ltd.
Company, Zhangzhou Yingzi Watch Co., Ltd.
The main drafters of this section. Zhang Na, Xu Dingjie, Zhao Yan, Guo Yujin, Wang Liangbiao, Pan Jianhua, Wang Yanmin, He Guangxian, Li Yuzhong, Zhang Kelai,
Yang Li, Wu Zhiping, Guo Xingang, Gong Xiang, Bao Xianyong, Shen Feng, Xie Hairong, Ru Suyun, Sha Linkai, Lu Xiangyan, Luo Wangdong, Huang Yuanbin, Huang Yuanfeng,
Shao Yueming, Lan Liping, Xiong Hansheng, Fan Li, Hong Xiaolan, Zhuang Manyi.
Inorganic and sapphire watch glass
Part 1.Dimensions and tolerances
1 Scope
This part of GB/T 39141 specifies the dimensions and tolerances of inorganic and sapphire watch glass.
This section applies to round flat watch glass, with a representative diameter of 8mm~35mm.
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 document.
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.Tolerances, Deviations and Basis of Fit
ISO 286-2 Product Geometric Technical Specification (GPS) Linear Dimensional Tolerance ISO Code System Part 2.Standard Tolerance Zone Code and Limit Deviation Table of Hole and Shaft
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. (see picture 1)
d glass diameter
h1 height of glass cylinder
h2 glass bottom chamfer height
h3 Chamfer height on glass
h4 Adhesive assembly glass judgment height
t Total thickness of glass
Bevel angle of β glass
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