1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ICS 25.160.20 ISBN 0-626-15743-9 SANS 5827:1983 Edition 1 ISO 5827:1983 Edition 1 Any reference to SABS ISO 5827 is deemed to be a reference to this stan
4、dard (Government Notice No. 1373 of 8 November 2002) SOUTH AFRICAN NATIONAL STANDARD Spot welding Electrode back-ups and clamps This national standard is the identical implementation of ISO 5827:1983 and is adopted with the permission of the International Organization for Standardization. Published
5、by Standards South Africa 1 dr lategan road groenkloof ! private bag x191 pretoria 0001 tel: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa SANS 5827:1983 Edition 1 ISO 5827:1983 Edition 1 Table of changes Change No. Date Scope Abstract Lays down di
6、mensions and specifies characteristics of spot welding electrode back-ups and clamps. Keywords clamps (mechanical), designations, dimensions, holding devices, resistance-welding, resistance-welding electrodes, resistance welding equipment, specifications, spot welding, welding, welding electrodes, w
7、elding equipment. National foreword This South African standard was approved by National Committee StanSA SC 5120.08A, Welding and allied processes Welding consumables, in accordance with procedures of Standards South Africa, in compliance with annex 3 of the WTO/TBT agreement. This edition is techn
8、ically identical to SABS ISO 5827:1983. International Standard . INTERNATIONAL ORGANIZATION FOR STANDARDIZATIONWEYHAPOAHAR OPrAHM3AWlfJ fl0 CTAHAPTH3ALWlWIRGANISATION INTERNATIONALE DE NORMALISATION Spot welding - Electrode back-ups and clamps Machines 3 souder par Points - IA I ii z t -” Q, a z s z
9、 i! 0 .I E aa ai E E 0 bt- I 8 0 P+l g 2 L & Cu .I LL g .- 2 E .- a tii I: - Yi 0 .- c E .- n w E 8 8 3 z L Cu 8 : .- c 83 E b 5: ,T: w - m R li- E 8 00 8 LL s- i z 0 4 1 - -i /- W- 1 07 I m . -61 + 4 3 3.4 Back-ups with cooling holes (finished) The dimensions of the back-up Profile (finished) shall
10、 be as shown in figure 4 and given in the table. Dimensions in millimetres, surface roughness values in micrometres 14 LJ L 12 F .- 1 0 Ln I l Ir ! 0 - Ta ble Distance between spots a 25 f4 38 19 Form B E 18 31,5 Ik 4 48 13 Form C E 18 I 40 f4 1 55,5 1 13 1 Form C 1 E 25 I 45 14 60,5 13 Form C E 30
11、50 f4 65,5 13 Form C E 35 I 56 +4 1 70,6 1 13 1 Form C 1 E 40 1 40 kl0 62 13 Form D E 20 50 fl0 72 13 Form D E 30 I I 60 and Single spots Figure 4 - Dimensions of back-up with cooling holes 3.5 Layout of assembled back-ups The layout of the assembled back-up shall be as given in figure 5. 4 ISO 5827
12、-1983 (El 0 3 Insulatio 1 I 1 1 l 1 l 1 7-t . Lr Lrl l- Insulating pin a 60 mm and Single spots Insulati Dimensions in millimetres, surface roughness value in micrometres Insert Screw MIO x 40 Screw M6 x 20 Insulation cap NutM8 Position likewise Screw M8 x 60 Figure 5 - Layout of the assembled back-
13、up 5 4 Application Komplete back-ups tan be simply represented, e.g. in weld studies, by the number of spots to be welded and the distance between spots, a, in accordance with the table in figure 4. A complete back-up for 8 spots with a distance between spots of 25 mm is shown in figure 6. Figure 6 - Representation of a back-up 8-25
