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GB/T 26693-2019: Timekeeping instruments - Types, dimensions and nomenclature of watch movements
Status: Valid GB/T 26693: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 26693-2019 | English | 184 |
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Timekeeping instruments - Types, dimensions and nomenclature of watch movements
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GB/T 26693-2019
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| GB/T 26693-2011 | English | 399 |
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Timekeeping instruments -- Movements -- Types, dimensions and nomenclature
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GB/T 26693-2011
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PDF similar to GB/T 26693-2019
Basic data | Standard ID | GB/T 26693-2019 (GB/T26693-2019) | | Description (Translated English) | Timekeeping instruments - Types, dimensions and nomenclature of watch movements | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y11 | | Classification of International Standard | 39.040.10 | | Word Count Estimation | 10,142 | | Date of Issue | 2019-08-30 | | Date of Implementation | 2020-03-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 26693-2019: Timekeeping instruments - Types, dimensions and nomenclature of watch movements---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.
Timekeeping instruments - Types, dimensions and nomenclature of watch movements
ICS 39.040.10
Y11
National Standards of People's Republic of China
Replace GB/T 26693-2011
Timing instrument
The shape, size and name of the watch movement
Timekeepinginstruments-Types, dimensionsandnomenclatureof
Watchmovements
(ISO 3764.2016, Timekeepinginstruments-Movements-
Types, dimensionsandnomenclature, IDT)
Published on.2019-08-30
2020-03-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 26693-2011 "The shape, size and name of the timing instrument watch movement". And GB/T 26693-
Compared to.2011, the main technical changes are as follows.
--- Amend to reference international standards (see Chapter 2);
--- Table 1 removed the circular movement assembly diameter d1 size 19.4 (without "*"), 23.3, 25.6 (without "*"), 29.6,
36.6 and its corresponding outer diameter d2 size; the outer diameter d2 corresponding to the assembly diameter d1 size 17.2* is adjusted from the original 17.5
Is 17.6 (see Table 1);
--- Table 2 in the circular cutting machine assembly diameter d1 size 13.0, 25.6, 26.6 corresponding to the outer diameter d2 size, from the original 13.5,
26.2, 27.0 are adjusted to 13.4, 26.4, and 27.2, respectively (see Table 2);
--- Figure 3 shows the schematic diagram of the circular double-cutting movement from the original one to two, and supplements the length dimension "b" (see Figure 3);
--- Table 3 adjusts the circular double-cutting machine assembly diameter d1 size 13.5 to 13.0, and its corresponding outer diameter d2 size 14.0
Adjusted to 13.4; adjust the outer diameter d2 size 24.0 corresponding to the assembly diameter d1 size 23.3 to 23.9; increase the assembly diameter
D1 size 25.6 and its corresponding outer diameter d2 size 26.2 (see Table 3).
This standard uses the translation method equivalent to ISO 3764.2016 "timepiece instrument shape, size and name".
The documents of our country that have a consistent correspondence with the international documents referenced in this standard are as follows.
---GB/T 1800.1-2009 Geometrical Product Specifications (GPS) Limits and fits Part 1. Tolerances, deviations and fits
Foundation (ISO 286-1.1988, MOD);
--- GB/T 9820.2-2008 Timing terminology Part 2. Definition of technical and commercial use (ISO 6426-2.2002, IDT).
This standard makes the following editorial changes.
--- Modified the standard name;
--- Increase the note of the movement size unit "order" for the reader to understand (see note in Chapter 1).
This standard was proposed by the China Light Industry Association.
This standard is under the jurisdiction of the National Clock Standardization Technical Committee (SAC/TC160).
This standard was drafted. Xi'an Light Industry Watch Research Institute Co., Ltd., FIYTA (Group) Co., Ltd., Zhuhai Rossini Watch Industry
Co., Ltd., Fujian Shangrun Precision Instrument Co., Ltd., Yibo Boutique (Shenzhen) Co., Ltd., Zhejiang Excellence Electronics Co., Ltd., Shenzhen Titan
Clock Watch Technology Co., Ltd.
The main drafters of this standard. Jin Yingshu, Bao Xianyong, Zhang Na, Guo Xingang, Chen Shijia, Su Fangzhong, Yang Li, Luo Xuzhi, Wang Jian, Lu Xiangyan,
Wang Yanmin, He Guangxian.
The previous versions of the standards replaced by this standard are.
---GB/T 26693-2011.
Timing instrument
The shape, size and name of the watch movement
1 Scope
This standard specifies the shape, assembly size and name of the mechanical watch and the pointer quartz watch movement.
This standard applies to the following five shapes of movement.
---1 type. round;
---2 type. round cut shape;
---3 type. round double cut shape;
---4 type. 51/2';
---5 type. 63/4×8'.
Note. The unit "'" (order) is a French-made unit that is used commercially to approximate the size of the movement, not the International System of Units, 1'≈ 2.256mm. Current clock
The type of movement used by the manufacturing industry in units of orders, the nominal value of which is only an approximation of the actual millimeter size converted into a command.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
ISO 286-1 Geometrical Product Specifications (GPS) ISO Specification System for Linear Dimensional Tolerance Part 1. Basic Tolerance, Partial
Difference and setting [Geometricalproductspecifications(GPS)-ISO codesystemfortolerancesonlinearsizes-
Part 1. Basisoftolerances,deviationsandfits]
ISO 6426-2 Terminology terminology Part 2. Technical and commercial definitions (Horologicalvocabulary-Part 2. Tech-
Nicalandcommercialdefinitions)
3 Terms and definitions
The following terms and definitions defined by ISO 286-1 and ISO 6426-2 apply to this document.
3.1 Movement diameter
3.1.1
Assembly diameter casingdiameter
D1
The diameter of the splint, the same part or component used for the movement of the casing.
3.1.2
Outer diameter outerdiameter
D2
The maximum diameter of the movement in the protruding position of the main plate, the same part or component.
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