Patent ID: 8208223

Claim:
A dimple forming apparatus for forming a dimple on a workpiece at a desired position, comprising: a base mould with a concave surface, the base mould configured to be positioned below the workpiece; a heating unit configured to heat the desired position of the workpiece for enhancing tractility of the desired position of the workpiece; and a forming pin with a spherical surface, the forming pin configured to be positioned above the workpiece with the spherical surface of the forming pin aiming toward the desired position of the workpiece heated by the heating unit; wherein the heating unit heats to soften the desired position of the workpiece into the concave surface of the base mould, and the desired position of the workpiece softened by the heating unit forms a convex side surface thereof corresponding to the concave surface of the base mould and a concave side surface thereof opposite the convex side surface, and the spherical surface of the forming pin aims toward the desired position of the workpiece heated by the heating unit according to the center of the concave side surface of the desired position.