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Resistance Welding of Contacts


In resistance welding of contacts, in general, dissimilar materials are to be joined. To this end, copper and brass alloys are used as insulators, however, depending on the application, also steel sheets with different metal coatings are used. The contacts normally consist of a material with a good conductivity (copper, silver, gold, etc.) which is, on the one hand, advantageous for the functioning of the produced parts but which, however, puts demands on the welding technique.

Moreover, the contacts are normally produced with so-called high-speed machines with very high clock rates. The welding power sources which are used for this process must fulfil the following demands:

  • high welding currents, dependent on contact geometry and material
  • high duty cycle
  • controlled, very short welding times
  • integratable into different machine concepts
  • online monitoring

The high-frequency inverters of the SPATZ+H300 and the SPATZ+H9000 series are particularly suitable for this application as they meet all the above-mentioned demands. The individually settable limit value- and alarm management of these power sources guarantee the steady, good quality standards of the produced parts.

 

Our solution:

Power Units
SPATZ+M300 SPATZ+M400
SPATZ+M600
SPATZ+M800
SPATZ+M900
SPATZ+H300 SPATZ+H9000 SPATZ+P500
SilverSPATZM600 SilverSPATZM800      
Transformers
SPATZT1-Pack SPATZTI-60R
SPATZTI-120R
     
Operating Devices
SPATZBG-02 SPATZBS-01      
Measuring Devices
SPATZMulti04        
Switch Cabinets
SilverSPATZCLL-R2 SilverSPATZCLL-H1 SilverSPATZHPA-H1 SPATZ+CL-H1 SPATZ+CL-H2
SPATZ+CL-R SPATZ+CL-T      
Software
SPATZStudio SPATZStudioNET SPATZDataGrabber SPATZQS+  
Gun Accessories
Matlock