This machine structure pattern three rolller symmetrical type, on a rolll in the two central
Symmetrical position under the roll-down vertically through the worm gear screw thread
Obtained the mother, the two rollers for the next rotation, through the output of gear reducer
And the next roll tooth meshing, in order to provide torque roll sheet.
Choice of many models According to the use or users' enquiry, count and show the
Model economily, TC numerical control model chooses.