End mill grinding apparatus and End mill to be manufactured by the end mill grinding apparatus

摘要

PURPOSE: An end mill polishing machine and an end mill manufactured by the same is provided to lengthen the life span of the end mill by forming a blade with grain perpendicular to the rotary direction of the blade. CONSTITUTION: An end mill polishing machine is composed of a table(100), a jig(130) mounted at one side of the table and coupled to an end mill(200), a grindstone(120) mounted at the other side of the table, a motor(110) rotating the grindstone, and a guide(140) supporting the end mill. The grindstone forms a blade in the end mill with grain perpendicular to the rotary direction of the blade.