1、November 2016 English price group 10No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 25.160.30; 29.180!%DK“2583340ww
2、w.din.deDIN ISO 10656Resistance welding equipment Transformers Integrated transformers for welding guns (ISO 10656:2016),English translation of DIN ISO 10656:2016-11Widerstandsschweieinrichtungen Transformatoren Integrierte Transformatoren fr Schweizangen (ISO 10656:2016),Englische bersetzung von DI
3、N ISO 10656:2016-11Matriel de soudage par rsistance Transformateurs Transformateurs incorpors pour pinces souder (ISO 10656:2016),Traduction anglaise de DIN ISO 10656:2016-11SupersedesDIN ISO 10656:201609www.beuth.deDocument comprises 15 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the
4、German-language original shall be considered authoritative.10.16 A comma is used as the decimal marker. 1 Scope . 52 Normative references 53 Dimensions and characteristics of transformers . 54 Additional equipment 104.1 Grounding provision .104.2 Thermal protection 104.3 Output current sensing coil
5、.105 Marking .115.1 General 115.2 Rating plate .115.3 Colour of exterior finish .116 Designation .127 Test conditions 127.1 Type tests 127.1.1 Mechanical strength .127.1.2 Dynamic behaviour of the output terminals .127.2 Thermal test (type test) .13Annex A (informative) Secondary current and duty cy
6、cle 14.15Contents PageNational foreword 3National Annex NA (informative) Bibliography 4Bibliography2DIN ISO 10656:2016-11 National foreword This document (ISO 10656:2016) has been prepared by Technical Committee ISO/TC 44 “Welding and allied processes”, Subcommittee SC 6 “Resistance welding and alli
7、ed mechanical joining”. The responsible German body involved in its preparation was DIN-Normenausschuss Schweien und verwandte Verfahren (DIN Standards Committee Welding and Allied Processes), Working Committee NA 092-00-12 AA Widerstandsschweien (DVS AG V 3). Attention is drawn to the possibility t
8、hat some elements of this document may be the subject of patent rights. DIN and/or DKE shall not be held responsible for identifying any or all such patent rights. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 1302 DIN EN ISO 1302 ISO
9、 5826 DIN EN ISO 5826 IEC 60417-DB IEC 60417 Graphical Symbol Database*)Amendments This standard differs from DIN ISO 10656:2006-02 as follows: a) the scope has been limited to single-phase transformers; b) Clause 3 “Types of transformer (variable length dimensions)” has been deleted; c) Table 1 “Ty
10、pes of transformer, lengths and electrical characteristics” has been separated into two tables: Table 1 for 50 Hz transformer types and Table 2 for 60 Hz transformer types; d) Clause 7 “Shipping” has been deleted; e) the standard has been editorially and technically revised. Compared with DIN ISO 10
11、656:2016-09, the following corrections have been made: a) in the example of designation given in Clause 6, the year of publication has been added; b) a key to Figure A.1 has been added. Previous editions DIN ISO 10656: 2006-02, 2016-09 *)The IEC 60417 Graphical Symbol Database is a web-based applica
12、tion that replaces the printed standard. You can access the database via the IEC Webstore. 3DIN ISO 10656:2016-11 National Annex NA (informative) Bibliography DIN EN ISO 1302, Geometrical Product Specifications (GPS) Indication of surface texture in technical product documentation DIN EN ISO 5826, R
13、esistance welding equipment Transformers General specifications applicable to all transformers 4DIN ISO 10656:2016-11 Resistance welding equipment Transformers Integrated transformers for welding guns1 ScopeThis International Standard specifies additional requirements to those given in ISO 5826 for
14、single-phase transformers used in AC welding. It is intended to be used in conjunction with ISO 5826, whose requirements it amends.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated refe
15、rences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 5826:2014, Resistance welding equipment Transformers General specifications applicable to all transformersIEC 60417-DB, Graphical symbols for use on eq
16、uipment1)3 Dimensions and characteristics of transformersThe dimensions and characteristics of transformers shall be in accordance with Table 1 for 50 Hz transformers, Table 2 for 60 Hz transformers, Figures 1 and 2 for type H transformers, and Figures 3 and 4 for type J transformers.The cooling wat
17、er flow rate, Q, shall be 4 l/min.The transformers are suitable for duty cycles up to 20 % (see Annex A).1) See the ISO Online browsing platform: available at http:/www.iso.org/obpDIN ISO 10656:2016-11 5 Table 1 50 Hz transformer types, lengths and electrical characteristicsTypeaAC no-load voltage U
18、20VOverall length l1maxmmMounting hole spacing l2mmMinimum permanent output current l2pkAMass (approximate) m kgH 4,5 245 170 4 18H 5,6 270 170 4 23J 6,3 275 190 5,4 26J 7,1 295 190 5,4 29J 8 310 230 5,4 32J 10 370 260 5,4 39J 13,5 460 350 5,4 52aSee ISO 5826:2014, Annex D.Table 2 60 Hz transformer
19、types, lengths and electrical characteristicsTypeaAC no-load voltage U20VOverall length l1maxmmMounting hole spacing l2mmMinimum permanent output current l2pkAMass (approximate) m kgH 5,4 245 170 4 18H 6,7 270 170 4 23J 7,6 275 190 5,4 26J 8,5 295 190 5,4 29J 9,6 310 230 5,4 32J 12 370 260 5,4 39J 1
20、6,2 460 350 5,4 52aSee ISO 5826:2014, Annex D.DIN ISO 10656:2016-11 6 Dimensions in millimetresKey1 maximum permissible protuberance for measuring coil2 connection box3 for detailed view, see Figure 24 output area for M and Tl1, l2see Tables 1 and 2aWater holes can be positioned anywhere along this
21、dimension.bFitted with steel inserts wire type inserts are not acceptable.NOTE For marking, see Clause 5.Figure 1 Dimensions of type H transformersDIN ISO 10656:2016-11 7 Dimensions in millimetresKey1 insulating barrier2 6 lug, 10 mm2cable3 6 contact pinNOTE This is a detailed view of Figure 1.Figur
22、e 2 Size and location of the three M6 holes intended for supply connection of type H transformersDIN ISO 10656:2016-11 8 Dimensions in millimetresKey1 maximum permissible protuberance for measuring coil2 connection box3 for detailed view, see Figure 44 output area for M and Tl1, l2see Tables 1 and 2
23、aWater holes can be positioned anywhere along this dimension.b16 M10 15 for U2= 13,5 V only: fitted with steel inserts wire type inserts are not acceptable.NOTE For marking, see Clause 5.Figure 3 Dimensions of type J transformersDIN ISO 10656:2016-11 9 Dimensions in millimetresKey1 insulating barrie
24、r2 8 lug, 16 mm2cable3 8 contact pinNOTE This is a detailed view of Figure 3.Figure 4 Size and location of the three M8 holes intended for supply connection of type J transformers4 Additional equipment4.1 Grounding provisionThe centre point of the secondary coil shall be connected to the transformer
25、 case by a removable link.4.2 Thermal protectionPrimary and secondary windings of the transformer shall be equipped with thermoswitches. The position of the wiring shall be in accordance with Figure 1 and Figure 3.The wiring colour shall be as follows: light blue for thermoswitch on primary winding;
26、 black for thermoswitch on secondary winding.Additional requirements are given in ISO 5826.4.3 Output current sensing coilTransformers shall include an output current sensing coil and conform to ISO 5826.DIN ISO 10656:2016-11 10 5 Marking5.1 GeneralIdentification of the voltage and earth connections
27、 shall be clearly marked: U, V and the symbol IEC 60417-5019 .The polarity of the output terminals should be indicated on the transformer and in the technical documentation.5.2 Rating plateThe rating plate shall be in conformance with ISO 5826 except that box 4 shall reference this International Sta
28、ndard and its year of publication, i.e. ISO 10656:2016.5.3 Colour of exterior finishThe transformer exterior finish colour shall be in accordance with Table 3 for 50 Hz transformers and Table 4 for 60 Hz transformers.Table 3 50 Hz transformer exterior colourAC no-load voltage U20VColour4,5 orange5,6
29、 lilac6,3 blue7,1 green8 grey10 yellow13,5 brownTable 4 60 Hz transformer exterior colourAC no-load voltage U20VColour5,4 orange6,7 lilac7,6 blue8,5 green9,6 grey12 yellow16,2 brownDIN ISO 10656:2016-11 11 6 DesignationThe designation shall comprise the following information in the order given:a) re
30、ference to this International Standard;b) type of transformer (e.g. “J”);c) AC no load voltage U20, minimum permanent output current I2p, rated supply voltage U1N;d) T, indicating the presence of thermoswitches;e) M, indicating the presence of an output current sensing coil.EXAMPLE ISO 10656:2016 J
31、7,1 5,4 400 TM7 Test conditionsTesting shall be carried out in accordance with ISO 5826 and the following additional tests.7.1 Type tests7.1.1 Mechanical strengthThe transformer shall be solidly secured on two plates through the four M8 or M10 mounting holes on two opposite sides. A tensile load of
32、10 kN shall be progressively applied on both sides, such that the maximum loading is reached after 1 min and maintained for an additional 1 min. The test shall be repeated on the other two sides.After testing, the transformer shall exhibit no permanent deformation or visible damage.7.1.2 Dynamic beh
33、aviour of the output terminalsThe transformer-rectifier shall withstand the dynamic loads produced by a repetitive flow of welding or test current, which shall be as high as possible, but not more than 5 times the secondary permanent output current, I2p, in the test configuration shown in Figure 5.T
34、he duty cycle shall be 1 % and the weld time shall be 160 ms.The number of cycles shall be 2 500.The dimension, a, shall be measured before and after the test has been performed. The deformation of the output terminals shall not cause the dimension, a, to change by more than 10 mm.DIN ISO 10656:2016
35、-11 12 Dimensions in millimetresKey1 transformer2 copper bars 30 303 flexible shuntaSee 7.1.2.Figure 5 Device for the dynamic type test7.2 Thermal test (type test)The heat rise and temperature limits shall conform to ISO 5826 up to a duty cycle of 20 %.The test shall be done with nominal primary vol
36、tage at a load time of 240 ms and a duty cycle of 20 %.DIN ISO 10656:2016-11 13 Annex A (informative) Secondary current and duty cycleKey1 type H transformers X1 duty cycle, %2 type J transformers X2 cycles per minute at 50 Hz3 integrating time of 60 s X3 cycles per minute at 60 HzFigure A.1 Relatio
37、nship between secondary current I2and duty cycleDIN ISO 10656:2016-11 14 Bibliography1 ISO 7-1, Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation2 ISO 1302, Geometrical Product Specifications (GPS) Indication of surface texture in technical product documentationDIN ISO 10656:2016-11 15
