ISO/TC 44/SC 6/WG 2 - Resistance welding equipment

This document gives specifications for single- and double-conductor secondary connection cables used for resistance welding and allied processes. These specifications include requirements for electrical, mechanical and cooling characteristics of the cables and their test procedures.

ISO 22829:2017 specifies additional requirements to those given in ISO 5826 for single-phase inverter transformers with connected rectifier for DC welding. This document applies to transformers, primarily used in welding guns, operating at 1 000 Hz with a rated input voltage of 500 V or more. The requirements of ISO 5826 shall be followed unless amended by this document.

ISO 20168:2016 specifies the dimensions and tolerances for electrode holders and of spot welding electrode caps, where a locking taper is used.

ISO 5182:2016 specifies the characteristics of materials for resistance welding electrodes and ancillary equipment which are used for carrying current and transmitting force to the work.

ISO 10656:2016 specifies additional requirements to those given in ISO 5826 for single-phase transformers used in AC welding. It is intended to be used in conjunction with ISO 5826, whose requirements it amends.

ISO 669:2016 defines and specifies certain identified electrical and mechanical characteristics of equipment used for - resistance spot welding, - projection welding, - resistance seam welding, - upset welding[1], and ? flash welding[2]. ISO 669:2016 specifies the information to be given in equipment specifications and the test methods to be used for measuring those characteristics. Not all requirements apply to all types of equipment. The following types of power sources are included: - single phase with alternating welding current; - single phase with rectified welding current by rectification of the output of the welding transformer; - single phase with inverter welding transformer; - three phase with rectified welding current by rectification of the output of the welding transformer; - three phase with a current rectification in the input of the welding transformer (sometimes called frequency convertor); - three phase with inverter welding transformers. ISO 669:2016 Standard does not apply to welding transformers that are separate from the equipment. NOTE Safety requirements for resistance welding equipment are covered by IEC 62135?1. [1] Often referred to by the non-preferred term, butt welding. [2] Often referred to by the non-preferred term, flash butt welding.

ISO 8430-3:2016 specifies the dimensions and tolerances of resistance spot welding electrode holders (type C) without offset and with a facility for cable clamping, and where a clamp is used to fix the holder directly to the welding cylinder in multiple spot welding equipment.

ISO 8430-2:1016 spécifie les dimensions et tolérances des porte-électrodes pour soudage par points par résistance (type A) non excentrés prévus pour la fixation de câble et qui présentent un cône mâle 1:10 permettant d'emmancher directement le porte-électrode sur le vérin, dans les équipements pour soudage multipoint.

ISO 8430-1:2016 specifies the dimensions and tolerances of resistance spot welding electrode holders (type A) without offset and with the facility for cable clamping, and where a male taper 1:10 is used to fix the holder directly to the welding cylinder in multiple spot welding equipment.

ISO 5826:2014 gives specifications applicable to transformers of IEC 61140 protection class I or II of the following types for use in resistance welding equipment: single-phase transformers for a.c. welding, typically operating at 50 Hz or 60 Hz; single-phase transformers with connected rectifier for d.c. welding, typically operating at 50 Hz or 60 Hz; single-phase inverter transformers with connected rectifier for d.c. welding, typically operating at 400 Hz to 2 kHz; three-phase transformers with connected rectifier for d.c. welding, typically operating at 50 Hz or 60 Hz.

ISO 9312:2013 specifies the requirements for insulated pins used to pin parts in the secondary circuit of resistance welding equipment, or other live equipment, which need to be insulated from each other.

ISO 8205-3:2012 specifies test procedures for single- and double-conductor secondary connection cables used for resistance welding and allied processes. It stipulates the requirements regarding the electrical, mechanical, and cooling characteristics of these cables.

ISO 5821:2009 specifies the dimensions and tolerances of resistance spot welding electrode caps, where a female taper is used to fix the cap to an electrode adaptor. ISO 5821:2009 applies only to electrode caps for which the electrode force given for diameters 13 mm, 16mm and 20 mm (taper 1:10) and for diameters 12,7 mm, 15,8 mm and 19,1 mm (taper 1:9,6) is not exceeded.

ISO 8205-1 specifies the dimensions of double-conductor connection cables used for resistance welding and allied processes. It stipulates the requirements regarding the electrical, mechanical and cooling characteristics of these cables and their conditions of use.

ISO 8205-2 specifies the dimensions of single-conductor connection cables used for resistance welding and allied processes. It stipulates the requirements regarding the electrical, mechanical and cooling characteristics of these cables and their conditions of use.

Contains the requirements of the geometrical and mechanical characteristics of pneumatic cylinders used for multiple spot welding machines and their manufacturing, delivery and test specifications.

Specifies requirements for geometrical and mechanical characteristics of cylinders and their manufacturing, delivery and test specifications. Gives nominal forces at the piston rod, nominal strokes, and bore diameters.

Specifies diameters and cut-off angles of cooling tubes. Establishes also designation, materials and marking.

Specifies requirements for taper plug and ring gauges used for the checking of type A, B and C tapers according to ISO 1089. Covers also definitions, dimensions, designation, materials, marking, and method of use. Cancels and replaces the first edition (ISO 5822:1982), clause 4 of which has been technically revised.

Specifies dimensions and requirements for insulated caps and bushes in the secondary circuit for resistance welding equipment, especially for use in back-ups according to ISO 5827. Describes also material, finish, marking and designation.

Specifies the dimensions and tolerances for male electrode caps for resistance spot welding when a female taper (see ISO 1089) is used to fix the electrode adaptor (see ISO 5829). Applies only to electrode caps for which the electrode force Fmax, given for the diameter d1, does not exceed 4,0 kN. Covers also designation, material and marking.

Specifies the dimensions and tolerances of resistance spot welding electrode adaptors where the fixing element for the cap is a female taper (male electrode cap, see ISO 5830) and for which the electrode taper fits conform to ISO 1089. Covers also designation, material and marking.

Lays down the dimensions and specifications of electrode back-ups, wedge electrodes and clamps for spot welding. Describes material, marking and designation.

Specifies the outside diameter and thickness of blanks for seam welding wheels. Contains also references, designation and material of these products.

Cancels and replaces ISO Recommendation R 865-1968, of which it constitutes a technical revision. Specifies requirements for dimensions, pitch and location of T-slots on platen for protection welding machines.

Refers to taper dimensions and tolerances for electrode caps, electrode adaptors, electrode holders and similar parts, where the electrode force Fmax, given for diameter d1 in tables 1, 2 and 3 is not exceeded. Establishes dimensions, designation and marking. Cancels and replaces ISO Recommendation R 1089-1969, of which it constitutes a technical revision.

Specifies dimensions and tolerances. Applies only to straight spot welding electrodes, where the electrode force Fmax given for diameter d1 in the table is not exceeded and where the centre lines of the electrodes are perpendicular to the workpiece. Contains also designation, materials and marking.

ISO 5182:2008 specifies the characteristics of materials for resistance welding electrodes and ancillary equipment which are used for carrying current and transmitting force to the work.

ISO 22829:2007 is applicable to transformer-rectifier units as used in electric resistance welding machines operating from a power supply with a frequency of 1 000 Hz, and of a rated value of the input voltage equal to or higher than 500 V. These transformer-rectifier units are primarily used in welding guns with an integrated transformer. For these transformer units, ISO 22829:2007 supplements the requirements given in ISO 5826 and ISO 10656, which remain applicable except where amended by ISO 22829:2007.

Specifies transformers for electric resistance welding used in welding guns with integrated transformers (robot guns).

Specifies test procedures (leak tightness and pressure resistance of the water circuit, water flow, verification of flexibility at ends, torsion, measurement of insulation resistance, determination of the impedance of the cable, determination of the resistance of the cable, endurance test) for single- and double-conductor secondary connection cables used for resistance welding and allied processes. Stipulates the requirements regarding the electrical, mechanical and cooling characteristics of these cables.

Its purpose is to give specific details or to complement ISO 5826, which deals with general specifications applicable to all transformers, relating to particular transformers within their field of application.

This second edition cancels and replaces the first edition (ISO 5182:1978). Specifies the characteristics of the materials which are used for carrying current and transmitting force to the work. Gives normative references. Defines the term softening temperature. Classifies copper and copper alloys and sintered materials. Specifies test methods, designation, typical applications (annex A), hardness conversions (annex B). Annexes C and D contain properties and bibliography, respectively.

Specifies the dimensions and tolerances of resistance spot welding electrode holders (type A) without offset and with the facility for cable clamping, and where a male taper 1:10 is used to fix the holder directly to the welding cylinder in multiple spot welding equipment. Covers also designation, materials, delivery conditions and marking.

Specifies the dimensions and tolerances of resistance spot welding electrode holders (type B) without offset and with a facility for cable clamping, and where a male Morse taper is used to fix the holder directly to the welding cylinder in multiple spot welding equipment. Covers also designation, materials, delivery conditions and marking.

Specifies the dimensions and tolerances of resistance spot welding electrode holders (type C) without offset and with a facility for cable clamping, and where a clamp is used to fix the holder directly to the welding cylinder in multiple spot welding equipment. Covers also designation, materials and marking.

Establishes the dimensions and tolerances of resistance spot welding electrode caps, where a female taper (see ISO 1089) is used to fix the cap to an electrode adaptor (see ISO 5183). Applies only to electrode caps for which the electrode force Fmax given for diameter d1 in the table below is not exceeded. Contains also designation, material and marking.