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GB/T 3883.309-2021Safety of motor-operated hand-held, transportable and garden tools - Part 309: Particular requirements for transportable mitre saws (English PDF)

手持式、可移式电动工具和园林工具的安全第309部分：可移式斜切锯的专用要求

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

April 30, 2021

Implementation date

November 1, 2021

Scope

GB/T 3883.309-2021 is the English-translated version of 手持式、可移式电动工具和园林工具的安全第309部分：可移式斜切锯的专用要求.

GB/T 3883.309-2021 is the Chinese standard "Safety of motor-operated hand-held, transportable and garden tools - Part 309: Particular requirements for transportable mitre saws".

Its scope clause reads: In addition to the following provisions, this chapter of GB/T 3883.1-2014 applies. increase. This document applies to the following portable miter saws.

A toothed saw blade is installed for sawing wood and similar materials, such as plastics, non-ferrous metals (except magnesium), and the diameter of the saw blade does not exceed 360mm.

Hereinafter, it may be referred to simply as a saw or a tool. This document does not apply to miter saws used to cut other metals, such as magnesium, steel or pig iron.

This document also does not apply to Installed miter saw. Note 101.Movable saws for cutting ferrous metals are regulated by a future part of IEC 62841-3. This document does not apply to saws using abrasive discs.

Note 102.The movable tool using the grinding wheel is specified by GB/T 3883.311. This document does not apply to portable tools with a combination of table saw and bevel functions.

Note 103.A portable tool with a combination of table saw function and bevel function is specified by IEC 62841-3-11. Its clauses include terms and definitions.

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Document preview — GB/T 3883.309-2021

National Standard of the People's Republic of China

Classification: K 64

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 Test general conditions
6 Radiation, toxicity and similar hazards
7 Category
8 Signs and instructions
9 Protection against touching live parts
10 Start
11 Input power and current
12 Fever
13 Heat resistance and flame resistance
14 Moisture resistance
15 Rust prevention
16 Overload protection of transformers and related circuits
17 Durability
18 Abnormal operation
19 Mechanical hazards
20 Mechanical strength
21 Structure
22 Internal wiring
23 Components
24 Power connection and external flexible cord
25 Terminals for external wires
26 Grounding device
27 Screws and connectors
28 Creepage distance, electrical clearance and insulation penetration distance
Appendix I (Informative) Measurement of Noise and Vibration
Appendix K (Normative) Battery-powered tools and battery packs
Appendix L (Normative) Battery-powered tools and battery packs that provide power connections or non-isolated sources
References

1 Scope

In addition to the following provisions, this chapter of GB/T 3883.1-2014 applies.

increase.

This document applies to the following portable miter saws.

A toothed saw blade is installed for sawing wood and similar materials, such as plastics, non-ferrous metals (except magnesium), and the diameter of the saw blade does not exceed

360mm. Hereinafter, it may be referred to simply as a saw or a tool.

This document does not apply to miter saws used to cut other metals, such as magnesium, steel or pig iron. This document also does not apply to

Installed miter saw.

Note 101.Movable saws for cutting ferrous metals are regulated by a future part of IEC 62841-3.

This document does not apply to saws using abrasive discs.

Note 102.The movable tool using the grinding wheel is specified by GB/T 3883.311.

This document does not apply to portable tools with a combination of table saw and bevel functions.

Note 103.A portable tool with a combination of table saw function and bevel function is specified by IEC 62841-3-11.

2 Normative references

In addition to the following provisions, this chapter of GB/T 3883.1-2014 applies.

increase.

ISO 180 Plastics-Determinationofizodimpactstrength (Plastics-Determinationofizodimpactstrength)

3 Terms and definitions

In addition to the following provisions, this chapter of GB/T 3883.1-2014 applies.

increase.

3.101 Bevelangle

The angle at which the plane of the saw blade is inclined to the table surface. The position of the saw blade plane perpendicular to the work surface is regarded as the 0° inclination angle position.

3.102 Compound angle

The angle when the saw blade plane is at a position where the inclination angle and the bevel angle are not 0°.

3.103 Cuttingedgezone

The radius of the saw blade is close to 20% of the outer edge.

GB/T 4343.2 | GB/T 3883.311 | GB/T 3787 | GB/T 3883.203 | GB/T 3883.305 | GB/T 3883.302 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 56 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 3883.1-2014Safety of motor-operated hand-held, transportable electric tools and lawn and garden tools - Part 1: General requirements

ISO 180

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