GB/T 22774-2008 English PDF

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GB/T 22774-2008: Mechanical alarm clocks
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22774-2008	279	Add to Cart	3 days	Mechanical alarm clocks	Valid

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Basic data

Standard ID: GB/T 22774-2008 (GB/T22774-2008)
Description (Translated English): Mechanical alarm clocks
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y11
Classification of International Standard: 39.040.20
Word Count Estimation: 12,164
Date of Issue: 2008-12-30
Date of Implementation: 2009-09-01
Quoted Standard: GB/T 2828.1; GB/T 2829; GB/T 9820; GB/T 14256; GB/T 2268; GB/T 2406
Regulation (derived from): National Standard Approval Announcement 2008 No.24 (Total No.137)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the mechanical clock (hereinafter referred to as the alarm) product classification, technical requirements, test methods, inspection rules and signs, packaging, transport and storage. This standard applies to spring for the power source and can be issued at the scheduled time of mechanical alarm clock with a balance spring oscillating system. May also refer to the use of the mechanical clock movement.

GB/T 22774-2008: Mechanical alarm clocks

---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.
Mechanical alarm clocks ICS 39.040.20 Y11 National Standards of People's Republic of China Mechanical alarm clock Posted 2008-12-30 2009-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was developed on the basis of "mechanical clock" original light industry standard QB/T 1535-1992 on. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee of the watch. This standard was drafted. Watch Co., Ltd. Shandong Compas, Institute of Light Industry watch. The main drafters of this standard. Sun Gang, where the light first, according to Tian Ke, Kim Young-sook. From the date of implementation of this standard, the original light industry standard QB/T 1535-1992 "mechanical clock" automatically expires. Mechanical alarm clock

1 Scope

This standard specifies the mechanical alarm clock (hereinafter referred to as alarm clock) product classification, technical requirements, test methods, inspection rules and signs, packaging, Transportation and storage. This standard applies to spring for the power source and can be issued at a predetermined time alarm clock with a mechanical balance spring oscillating system. machine Mechanical alarm movement also refer to use.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan (GB/T 2828.1-2003, ISO 2859-1.1991, IDT) GB/T 2829 periodic inspection Sampling procedures and tables (suitable for process stability test) GB/T 9820 Timing Basis terms of science and technology defined (GB/T 9820-1988, eqv ISO 6426-1. 1982) GB/T 14256 Timing academic language with the second part of the definition of commercial technologies (GB/T 14256-1993, idt ISO 6426-2. 1984) QB/T 2268 Appearance finishing timing devices General technical requirements bell metal exterior paint pieces QB/T 2406 mechanical calendar clock mechanism

3 Terms and Definitions

Terms and definitions GB/T 9820 and GB/T 14256 in established apply to this standard.

4 Products

Alarm clock escapement into its Precision (fork watts type) and ordinary type (pin type).

5 Technical requirements

5.1 Reliability 5.1.1 Alarm clock movement and housing should be fixed and reliable, are not allowed in the machine parts are missing and damage. 5.1.2 under normal conditions of use, the alarm within the period specified in Table 1 of the article should not stop and go, and take the real error should not exceed ± 45min/d. 5.1.3 under normal use conditions, once a wound, double barrel clockwork alarm clock alarm should relax in after 12h; single-winding alarm limit alarm mechanism It should displacement. 5.2 Operating Temperature Alarm at ambient temperature 5 ℃ ~ 40 ℃ range, by adjusting the speed of the needle should be able to work properly; not at -5 ℃ ~ 50 ℃ when Shut down. 5.3 Quality travel time Alarm in the normal operating position, a walk on the tight, winding downtown, according to the different types, grades, in fact, take the difference between the day, the cumulative error and should continue to go Comply with the requirements of Table 1. ......

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