THIN ROLLER AND METHOD OF MANUFACTURE

摘要

PROBLEM TO BE SOLVED: To provide an inexpensive thin roller strong against deformation, and reducing a material loss such as cutting chips, and its manufacturing method. SOLUTION: This thin roller 1 has a ring-shaped reinforcing member 3 on an inner peripheral surface for preventing the deformation. An opening part 3a is arranged in a part of the ring-shaped reinforcing member 3.