Provided in the present invention are a method for manufacturing a roll forming frame, and the roll-rolled frame. The method includes the following steps: separately forming a first vertical wall and a first horizontal wall connected to each other at two o...

Provided is a foil tab forming apparatus for forming at least one foil tab of a positive electrode foil tab and a negative electrode foil tab respectively provided at a top portion and a bottom portion of an electrode assembly, the foil tab forming apparat...

The method involves continuously bending a section of a spring band; cutting the bent section of the band into a spring rail; discontinuous reverse bending to reduce the internal stress of the bent cut-to length spring rail by subjecting the rail to at lea...