GB/T 22772-2008Mechanical clocks with pendulum (English PDF)

1 Scope

This standard specifies the mechanical pendulum clock (hereinafter referred to as "pendulum") classification, requirements, test methods, inspection rules and signs, packaging, transportation,

Storage.

This standard applies to all kinds of mechanical energy as the driving force of the pendulum clock. Pendulum 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 2859-1.1999, IDT)

GB/T 2829 periodic inspection Sampling procedures and tables (suitable for process stability test)

QB/T 2406 mechanical calendar clock mechanism

Category 3

Pendulum according to the power source is divided into two types.

--- Heavy hammer;

--- Spring style.

Wind-up can be divided into the following categories.

a) Direct formula;

b) are wheeled force.

4 Requirements