Machining electrode for spot welding

[cspkumar]

Hi all,
I have a few spot welding cap electrodes of 6.4 mm dia. I need smaller electrodes which can produce nugget diameters of 2mm and 4mm. Does anyone know where I can find the regulations for machining the existing electrodes into smaller electrodes or where I can procure smaller ones.
Thanks.

 

[ornerynorsk]

You can machine electrodes to any size/shape necessary, you just need to adjust current accordingly.