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GB/T 6877-2008Classification, terminology and numbering for parts and assemblies of mechanical wrist watch movements (English PDF)

计时仪器零部件分类、名称和编号机械手表机心零部件分类、名称和编号

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Issued by

AQSIQ; SAC

Level / Type

National · Recommended

Issue date

July 31, 2008

Implementation date

May 1, 2009

Scope

GB/T 6877-2008 is the English-translated version of 计时仪器零部件分类、名称和编号机械手表机心零部件分类、名称和编号.

China's national classification, terminology and numbering system for the parts and assemblies of mechanical wristwatch movements.

A mechanical movement has upwards of a hundred parts, most of them under a few millimetres, and they have been named for two centuries in a vocabulary that is largely French in origin and inconsistent in translation - which becomes a real problem when the movements are made, serviced and traded in China at the volume they are.

The system here is a numbered classification: each part carries a code within its functional group, so the barrel, its arbor and its cover, the mainspring and its bridle, and the corresponding parts of an automatic or a second barrel each have an identifier that does not depend on which name is used.

That is what allows a service catalogue, a parts order and a repair record to refer to the same component across languages. The standard specifies the classification, names and numbers of mechanical watch movement components, and applies to movements of different structures and functions.

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Document preview — GB/T 6877-2008

National Standard of the People's Republic of China

ICS: 39.040.10
Classification: Y 11

Issued by: General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the PRC

ForewordIII
1 Scope1
2 Classification, name and number1
2.1 Mover system1
2.2 Drivetrain2
2.3 Escapement speed line3
Article 2.4 on the dial needle system5
2.5 Splint class7
2.6 Earthquake apparatus9
2.7 Calendar mechanism9
2.8 Weeks calendar, calendar, calendar, 24, hopping, stars, moon phase mechanism12
2.10 Automata17
2.11 Shows the Agency19
2.12 Hammer mechanism21

Foreword

This standard replaces GB/T 6877-1986 "mechanical timing equipment parts category, name and number of the watch and clock parts and fork watts type

Member category, name and number. "

This standard and GB/T 6877-1986 compared to the main changes are as follows.

--- Added "original dynamic system" component content (see 2.1);

--- Increased "transmission" component content (see 2.2);

--- Added "escapement speed line" component content (see 2.3);

--- Added "on the dial needle bar line" parts content (see 2.4);

--- Added "splint class" components content (see 2.5);

--- Added "calendar mechanism" component content (see 2.7);

--- Added "Zhou Li, calendars, calendar, 24, hopping, stars, moon phase mechanism" (see 2.8);

--- Added "quick dial mechanism" (see 2.9);

--- Added "shows Energy Agency" (see 2.11);

--- Increased "hammer mechanism" (see 2.12);

--- Added "measured body" (see 2.13);

--- The original "screw-type" as the common parts adjustments to the standard accessory (see Appendix A);

--- The original "class diamond" as a general member to adjust the standard accessory (see Appendix A);

--- Abolition of the "appearance classes" chapter;

--- Canceled on "fork-watt alarm clock" parts content;

1 Scope

This standard specifies the classification of mechanical watch movement components, name and number.

This standard applies to the different structures and functions of mechanical watch movement.

2 classification, name and number

Original dynamic system mechanical watch movement in the parts category, name and number are shown in Table 1.

Table 1 original dynamic system

No. Chinese Name English Name Remarks

Z01000 mover assembly movementbarrel, complete

01001 box round barreldrum

01002 cover barrelcover

01003 axis barrelarbor

B01011 spring member mainspringassembly

01011 Clockwork body bodyofmainspring

01012 Clockwork outer hook mainspringcatchpiece

01013 Clockwork rivet mainspringrivet

Z01050 automatic mover assembly automaticmovementbarrel, complete

B01051 automatic wheel barrel member automaticbarrelassembly (arbor, drumandcover)

01051 automatic movement barrel barreldrumforautomatic

B01061 automatic winding member mainspringassemblywithslidingattachment

Remaining clauses in the full document

2 Classification, name and number

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.

Referenced standards

Cited by

GB/T 36434-2018Complex mechanical watch movements - Terminology for the parts and assemblies of perpetual calendar and repeater mechanisms

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