This standard specifies the dimensions and requirements for insulating caps and bushings in the secondary circuit of resistance spot welding equipment. This standard applies to insulating caps and insulating bushings in resistance spot welding equipment. This standard is used in conjunction with JB/T 9531-1999 "Spot Welding Electrode Stoppers and Clamps".
JB/T 9530-1999 history
1999JB/T 9530-1999 Insulation caps and bushes for resistance welding equipment