Stamped slotted strip prodn - for laminated wound rotor or stator cores

摘要

In an appts. for stamping sheet-rion strip designed for the formation of slots running radially or at a specific angle to a radius in the forming of wound-type laminated cores, e.g. for the stator or rotor cores of electric motor, the punch is mounted in a block connected to the die and having a tangential surface continuously in contact with the roll of strip which is wound on a mandrel mounted in a carriage which can be displaced automatically with respect to the axis of the punch by a distance depending on the dia. of the roll of wound strip.