To provide a method and an apparatus for manufacturing a separator for a polymer electrolyte fuel cell for accurately forming a workpiece made of a metal sheet, without deteriorating production efficiency, and of efficiently manufacturing a high-precision separator.

As a backlash between a housing 10 of a roll 13 and a main bearing journal box 11 is removed at all times, the removal of a backlash between the roll 13 and a main bearing 12 in a non-shaping area and the shaping of the workpiece in a shaping area are repeated.