GB 3883.9-1991Safety of hand-held motor-operated electric tools. Part 2: Particular requirements for tappers (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 tappers.

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

This partial replacement GB 3883.9-2005 "Safety handheld power tool of the second part. tappers requirements", and GB 3883.9-2005 comparison, the main changes are as follows.

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

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

--- modified appendix K, Appendix L;

--- of 8.1,12.4 editorial changes.

This section uses the translation method identical with IEC 60745-2-9:2008 (2.1 version) "Safety - Part 2-9 hand-held power tools.

Tappers requirements ", and equivalents employed 60745-1 IEC .2006 (Version 4.0)" Safety first portion handheld power tool. 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 drafter. Chen Jianqiu, according to Li, Liu Jiang, Wu Wenjun.

Previous versions of this part of the case released.

--- GB 3883.9-1985, GB 3883.9-1991, GB 3883.9-2005.

Safety of hand-held power tools Requirements for tappers. Part 2

1 Scope

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

increase.

This section applies to the tapping machine.

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

Tapping machine tapper Tools for the cut thread.

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.

--- able to cut the maximum thread diameter in millimeters (mm).

Unless otherwise specified tool, which shall mean diameter having a tensile strength of 390N/mm2, a thickness of the plate 2 times the thread diameter Diameter were cut out and ISO metric thread.

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.

Intermittent operation tool 30 cycles or until the thermal stability, whichever is reached first by. Each cycle off by the continuous operation of 30s and 90s Rest of the composition. During operation of the load adjusting means to reach the rated input current or rated by the dynamometer, the temperature rise in the "on" period at the end of the measurement. The manufacturer should choose the tool can run continuously until the thermal steady state.

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.

That section 21.32 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 this chapter GB 3883.1-2008 is applicable.

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.

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.

9-2-54706

CEI /

2102-

9.3883