In order to keep the product shape and precision, cast iron
structure, motor reducer drive, chain transmission, roller surfaces polishing,
hard plating , heat treatment and galvanizational treatment . The polished
surface and the heat treatment towards the molds also can keep the molding
plate surface smooth and not easy to be marked when it is being stamped.
one roller mold is made up by two parts see follow ,you can
used the spacers add in the two parts of the roller mold to changed the sizes
of it then can manufactured different sizes of profiles.