Tiêu chuẩn iso 00669 2000 (2001)

STANDARD

Second edition

2000-04.15

Corrected and reprinted

2001-03-15

Resistance welding — Resistance welding equipment — Mechanical and electrical requirements

Soudage par resistance — Materiel de soudage par resistance — Exigences mécaniques et électriques

Reference number

ISO 669 2000(E)

ISO

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Contents

Foreword

• 1      Tiêu chuẩn iso 00669 2000 (2001) Scope

• 2      Normative references

• 3      Terms and definitions

• 4     Symbols

• 5      Classification

• 6      Physical environment and operating conditions

• 7      Test conditions

• 8     Welding transformers

• 9      Rated no-load voltage at the output

• 10     Maximum short circuit current

• 11     Thermal rating

• 12     Heating test

• 13    Conditions for the measurement of temperature rise

• 14     Cooling liquid circuit (liquid-cooled welding equipment)

• 15    Static mechanical characteristics Tiêu chuẩn iso 00669 2000 (2001)

• 16     Rating plate

• 17     Instruction manual

Annex A (normative) Dynamic mechanical behaviour

Annex B (informative) Examples for rating plates

III

Foreword

ISO (the International Organization for standardization) is a worldwide federation of national standards bodies (ISO member bodies) The work of preparing International Standards is Tiêu chuẩn iso 00669 2000 (2001) normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO. also take part in the work ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives. Part 3.

Draft International Tiêu chuẩn iso 00669 2000 (2001) Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote

Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.

International Standard ISO 669 was prepared by Technical Committee ISO/TC 44. Welding and allied processes. Subcommittee sc Tiêu chuẩn iso 00669 2000 (2001) 6. Resistance welding.

This second edition cancels and replaces the first edition (ISO 669:1981), which has been technically revised

Annex A forms a normative part of this International standard Annex 8 is for information only.

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Resistance welding — Resistance welding equipment — Mechanical and electrical requirements

• 1 Scope

This International standard applies to Tiêu chuẩn iso 00669 2000 (2001) resistance welding equipment, to guns with inbuilt transformers and to complete movable welding equipment.

The following types are included:

• —  single-phase equipment with alternating welding current.

• —  single-phase equipment with rectified welding current by rectification of the output of the welding transformer;

• —  single-phase equipment with inverter welding transformer:

• —  three-phase equipment with rectified welding current by rectification of the output of the welding transformer;

• —  three-phase equipment with a current rectification in the input of the Tiêu chuẩn iso 00669 2000 (2001) welding transformer (sometimes called frequency convertor);

• —  three-phase equipment with inverter welding transformers.

This International standard applies neither to welding transformers sold separately nor to safety requirements

• 2 Normative references

The following normative documents contain provisions which, through reference in this text, constitute provisions of this International standard For dated references, subsequent amendments to. or revisions of. any of these publications do not apply However, parties to agreements based on this International standard are encouraged to investigate the possibility of applying the Tiêu chuẩn iso 00669 2000 (2001) most recent editions of the normative documents indicated below For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards.

ISO 865’1981, Slots in platens for projection welding machines.

ISO 5183-1:1998. Resistance welding equipment — Electrode adaptors, male taper 1:10 — Part 1: Conical fixing, taper 1:10.

ISO 5183-2:1988. Resistance spot welding — Electrode adaptors Tiêu chuẩn iso 00669 2000 (2001) , male taper 1:10 — Part 2: Parallel shank fixing for end-thrust electrodes.

ISO 5184:1979. Straight resistance spot welding electrodes.

ISO 5821:1979. Resistance spot welding electrode caps

ISO 5826:1999. Electric resistance welding — Transformers — General specifications applicable to all transformers

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ISO 5829:1984. Resistance spot welding — Electrode adaptors, female taper 1:10

ISO 5830:1984. Resistance spot welding — Male electrode caps.

ISO 8430-1: 1988. Resistance spot welding — Electrode holders — Pad 1: Taper fixing 1:10.

ISO 8430-2:1988, Resistance spot welding — Electrode holders — Part 2: Morse taper fixing

ISO 8430-3 Tiêu chuẩn iso 00669 2000 (2001) :1988, Resistance       spot welding — Electrode holders — Part

3: Parallel shank fixing for end thrust

IEC 60051-2:1984. Direct acting indicating analogue electrical measuring instruments and     their accessories —

Part 2: special requirements for amperemeters and voltmeters.

IEC 60204-1:1992. Electrical equipment of industrial machines — Part 1: General requirements.

• 3 Terms and definitions

For the purposes of this International standard, the following terms and definitions apply.

3 Tiêu chuẩn iso 00669 2000 (2001) .1 Mechanical parts of spot, projection and seam welding equipment

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