Amada 125DP - Page 6

DUAL PULSE 125
STORED ENERGY RESISTANCE WELDING POWER SUPPLY
vi 990-270
Change 1st Pulse .................................................................................................. 3-4
Change 2nd Pulse ................................................................................................. 3-4
Power Up Schedule .............................................................................................. 3-5
Copying Information in Schedule 0 to another schedule ..................................... 3-5
Programming Squeeze Time ................................................................................ 3-6
Schedule Protection ON ....................................................................................... 3-7
Schedule Protection OFF ..................................................................................... 3-7
CHAPTER 4: DEVELOPING WELD SCHEDULES .................................................... 4-1
Resistance Welding Parameters ....................................................................................... 4-1
Procedure ........................................................................................................................ 4-2
Weld Head Parameter: Electrode Force .......................................................................... 4-2
125 DP Power Supply – Parameter: PULSE WIDTH, % ENERGY,
NUMBER OF PULSES ................................................................................................... 4-3
Dual Pulse Operation ....................................................................................................... 4-3
Make a Weld .................................................................................................................... 4-3
Evaluate the Weld ............................................................................................................ 4-4
Weak Weld ................................................................................................................. 4-4
Electrode Sticking ...................................................................................................... 4-4
Causes of Imperfect Welds .............................................................................................. 4-4
Electrode Force and % ENERGY .............................................................................. 4-5
Polarity ....................................................................................................................... 4-5
Weld Strength Profiles ..................................................................................................... 4-6
Evaluate Results ............................................................................................................... 4-6
Electrode Maintenance ..................................................................................................... 4-7
CHAPTER 5: MAINTENANCE ....................................................................................... 5-1
Modification and Calibration ........................................................................................... 5-1
Modification of Line Voltage .......................................................................................... 5-1
Calibration........................................................................................................................ 5-2
Troubleshooting ............................................................................................................... 5-4
Repair Service .................................................................................................................. 5-4
Telephone Service ...................................................................................................... 5-4
Factory Service Repair ............................................................................................... 5-5
APPENDIX A: TECHNICAL SPECIFICATIONS ......................................................... A-1
Stored Energy Rating ....................................................................................................... A-1
Energy Display ................................................................................................................. A-1
Line Voltage..................................................................................................................... A-1
Fusing ........................................................................................................................ A-1