GB 3883.8-2012Safety of hand-held motor-operated electric tools -- Part 2: Particular requirements for sheet metal shears and nibblers (English PDF)

Foreword

All technical contents of this section is mandatory.

GB 3883 "Safety of hand-held electric tools" is the safety standard for hand-held power tools from Part 1 General requirements and Requirements for Part 2 composition. GB 3883 composition "safe hand-held electric tools" are as follows.

--- GB 3883.1 "The first part of the security hand-held power tools. General requirements"

--- GB 3883.2 "Safety - Part 2 hand-held power tools. screwdrivers and impact wrenches."

--- GB 3883.3 "safe hand-held electric tools Part II. grinders, polishers and disc sanders requirements"

--- GB 3883.4 "Safety of hand-held electric tools Part 2. Non-disc sanders and polishers other special requirements"

--- GB 3883.5 "The second part of the security hand-held power tools. circular saws"

--- GB 3883.6 "Safety - Part 2 hand-held power tools. electric drills and impact drills requirements"

--- GB 3883.7 "Safety handheld power tool Part 2. requirements for hammers tool"

--- GB 3883.8 "Safety of hand-held electric tools Part 2. Particular requirements for electric shears and of"

--- GB 3883.9 "Safety - Part 2 hand-held power tools. tappers requirements"

--- GB 3883.10 "safe hand-held electric tools Part II. Particular requirements for planers"

--- GB 3883.11 "handheld power tool safety Part 2. reciprocating saws (jig, saber saws) special requirements"

--- GB 3883.12 "Safety - Part 2 hand-held power tools. Particular requirements for concrete vibrators"

--- GB 3883.13 "the second part of the security hand-held power tools. non-flammable liquid spray guns for special requirements"

--- GB 3883.14 "the second part of the security hand-held power tools. Particular requirements for chain saws."

--- GB 3883.15 "the second part of the security hand-held power tools. pruning shears requirements"

--- GB 3883.16 "safe hand-held electric tools Part II. Particular requirements for tackers"

--- GB 3883.17 "the second part of the security hand-held power tools. routers and trimmers special requirements"

--- GB 3883.18 "the second part of the security hand-held power tools. Particular requirements for marble cutters"

--- GB 3883.19 "safe hand-held electric tools Part 2. Particular requirements for drain cleaners."

--- GB 3883.20 "Safety - Part 2 hand-held power tools. requirements for strapping"

--- GB 3883.21 "Safety - Part 2 hand-held power tools. band saws"

--- GB 3883.22 "Safety handheld power tool of the second part. the requirements for slotter" this section GB 3883 Part 2. Particular requirements for the electric shears and the.

This section drafted in accordance with the rules GB/T 1.1-2009 given.

This partial replacement GB 3883.8-2005 "Safety handheld power tool of the second part. the electrical requirements for shears and the" Compared with GB 3883.8-2005, the main changes are as follows.

--- In the "mechanical strength", the NA 20.5;

--- In the "structure", the 21.32 NA;

--- modified appendix K, Appendix L;

--- of 3.101,3.102,8.1,24.4 editorial changes.

This section uses the translation method identical with IEC 60745-2-8:2008 (2.1 version) "Safety - Part 2-8 hand-held power tools.

Electrical requirements for shears and the "identical with the IEC 60745-1:2006 (Version 4.0)" Safety of a first handheld power tool Part I. General requirements "established by GB 3883.1-2008" The first part of the security hand-held power tools. General requirements "used together.

This section states that "suitable", showing the corresponding provisions applicable in GB 3883.1-2008; stated in this section, "Change", and should in this section prevail provisions; stated in this section, "Edit", and indicates the corresponding provision of GB 3883.1-2008 content should be present After some changes the contents of the subject, and the provision of other content still apply; this states "addition", expressed in addition to compliance with GB 3883.1-Outside of the corresponding provision 2008, this section shall comply with the added provision.

This section was proposed by China Electrical Equipment Industrial Association.

This part of the jurisdiction of the National Power Tools Standardization Technical Committee (SAC/TC68).

This section was drafted. Shanghai Electric Tool Research Institute.

This part mainly drafted. Gu Jing, according to Li, Liu Jiang, Jin Yi.

Previous versions of this part of the case released.

--- GB 3883.8-1985, GB 3883.8-1991, GB 3883.8-2005.

Safety of hand-held power tools Part 2. Particular requirements for the electric shears and the

1 Scope

In addition to the following provisions, GB 3883.1-2008 of this chapter apply.

increase.

This section applies to electric shears and.

2 Normative references

This chapter GB 3883.1-2008 is applicable.

3 Terms and Definitions

In addition to the following provisions, GB 3883.1-2008 of this chapter apply.

Increased definition.

3.101

Electric scissors shear Shearing a metal sheet, a metal plate and a corrugated metal strip for tools.

3.102

Power punching nibbler Punching a metal sheet, a metal plate and a corrugated metal strip for tools.

4 General requirements

This chapter GB 3883.1-2008 is applicable.

General requirements Test 5 this chapter GB 3883.1-2008 is applicable.

6 Void

Category 7

This chapter GB 3883.1-2008 is applicable.

8 Signs and instructions

In addition to the following provisions, GB 3883.1-2008 of this chapter apply.

8.1 Addition.

After the first four dashes increase.

---place of origin;

In addition, the tool should be marked with the following.

--- can cut the maximum thickness of the metal sheet, in millimeters (mm).

Unless otherwise specified on the tool, marking the maximum shear thickness should correspond to the tensile strength of steel 390N/mm2 of.

9 Protection against contact with live parts

This chapter GB 3883.1-2008 is applicable.

10 Start

This chapter GB 3883.1-2008 is applicable.

Power input and current 11 this chapter GB 3883.1-2008 is applicable.

12 Fever

In addition to the following provisions, GB 3883.1-2008 of this chapter apply.

12.4 for the change.

30min tool runs at nominal current or rated power input, measured temperature at the end of 30min.

Leakage current 13

This chapter GB 3883.1-2008 is applicable.

14 Moisture resistance

This chapter GB 3883.1-2008 is applicable.

Electrical strength 15 this chapter GB 3883.1-2008 is applicable.

Overload protection circuit 16 and its associated transformer this chapter GB 3883.1-2008 is applicable.

17 Endurance

This chapter GB 3883.1-2008 is applicable.

18 Abnormal operation

This chapter GB 3883.1-2008 is applicable.

19 Mechanical hazards

This chapter GB 3883.1-2008 is applicable.

20 Mechanical strength

In addition to the following provisions, GB 3883.1-2008 of this chapter apply.

That section 20.5 does not apply.

21 Structure

In addition to the following provisions, GB 3883.1-2008 of this chapter apply.

21.32 article on the impact wrench does not apply.

Internal wiring 22

This chapter GB 3883.1-2008 is applicable.

23 Components

This chapter GB 3883.1-2008 is applicable.

24 and the external power supply cord coupling in addition to the following provisions, GB 3883.1-2008 of this chapter apply.

24.4 to change the first paragraph.

Lightest cables may be employed.

--- heavy cable sheath neoprene (GB/T 5013.4 of 60245IEC 66YCW).

The outer lead terminals 25 this chapter GB 3883.1-2008 is applicable.

Grounding device 26

This chapter GB 3883.1-2008 is applicable.

The coupling member 27 with a screw this chapter GB 3883.1-2008 is applicable.

28 Creepage distance and clearance distance through insulation

This chapter GB 3883.1-2008 is applicable.

29 in heat resistance, flame retardancy and resistance to tracking this chapter GB 3883.1-2008 is applicable.

30 Rust

This chapter GB 3883.1-2008 is applicable.

31 Radiation, toxicity and similar hazards

This chapter GB 3883.1-2008 is applicable.

appendix

Except as follows, GB 3883.1-2008 Appendix applicable.

Appendix K

(Normative)

Tool battery and battery box K.1 increase.

Unless otherwise provided in this appendix, all applicable requirements of chapter dedicated.

K.12.4 change as follows.

Article in this section does not apply.

K.24.4 change as follows.

Article in this section does not apply.

Appendix L

(Normative)

Power source coupled to provide non-isolated tool battery and battery box L.1 increase.

Unless otherwise provided in this appendix, all applicable requirements of chapter dedicated.

references

GB 3883.1-2008 references apply.

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