This article, which is called a stamping unit,
is a component that is attached to a pre-forming machine for manufacturing automobile brakes.
In the pre-forming process, after a certain amount of brake raw material has been loaded in a pre-mold,
the stamping unit is used to apply pressure to the raw material from above to evenly stabilize it,
and temporarily hold a first layer of the raw material in place.
After the raw material has been loaded, the stamping unit then performs compression molding.