Method for manufacturing shunt resistor

A method for manufacturing a shunt resistor, the method comprising:

• placing a plurality of resistor modules on a conveyer, wherein each of the resistor modules comprises:
• a first electrode plate, wherein the first electrode plate comprises a first carrying portion, and the first carrying portion has at least one first hole;
• a second electrode plate, wherein the second electrode plate comprises a second carrying portion, and the second carrying portion has at least one second hole;
• and
• a resistor plate disposed between the first electrode plate and the second electrode plate and located on the first carrying portion and the second carrying portion, wherein the resistor plate has a first side surface and a second side surface opposite to the first side surface, the resistor plate has at least one first through hole and at least one second through hole, the at least one first through hole is correspondingly located on the at least one first hole, and the at least one second through hole is correspondingly located on the at least one second hole;
• pressing the first electrode plate and the second electrode plate of each of the resistor modules onto the first side surface and the second side surface of the resistor plate respectively;
• pressing and placing at least one first rivet into the at least one first through hole and the at least one first hole of each of the resistor modules correspondingly, and pressing and placing at least one second rivet into the at least one second through hole and the at least one second hole of each of the resistor modules correspondingly;
• and
• applying a current to the first rivets and the second rivets in the resistor modules in sequence to weld the at least one first rivet, the first electrode plate, and the resistor plate of each of the resistor modules, and to weld the at least one second rivet, the second electrode plate, and the resistor plate of each of the resistor modules.