Rotary grindstone and grinding method using the grindstone

Abstract

Abstract Translated from Japanese (57)【要約】 【目的】 本発明は、被加工部材に角部を当接されてそ の表面を研削する回転砥石およびその砥石を用いた研削 方法に関し、角部が研削する加工点の移動を防止するこ とにより、形状精度の低下を防止して、目標とする表面 粗さと形状精度とを同時に達成可能な回転砥石を提供す ることを目的とする。 【構成】 所定速度で回転する回転軸12の一端側に固設 され、回転対称形の円柱状に形成されてその外周部13ａ により被加工部材４を研削する砥石部13を、円錐台の側 面を形成し砥石部13の外周部13ａの研削面に露出する第 １研削部14と、第１研削部14を挟み込み第１研削部14と ともに研削面に露出して被加工部材４の表面４ａに同時 に当接する第２研削部15と、により構成し、第１研削部 14を第２研削部15よりも研削加工に対する耐摩耗性を向 上させ、研削する際の送り方向に対して直交するよう形 成したことを特徴とする。 (57) [Abstract] [Object] The present invention relates to a rotary grindstone in which a corner is abutted against a workpiece and grinds the surface thereof, and a grinding method using the grindstone. It is an object of the present invention to provide a rotary grindstone capable of simultaneously achieving target surface roughness and shape accuracy by preventing deterioration of shape accuracy by preventing the above. [Structure] A rotary shaft 12 rotating at a predetermined speed is fixedly mounted on one end side of the rotary shaft 12 and formed into a rotationally symmetric cylindrical shape, and an outer peripheral portion 13a thereof The grinding wheel portion 13 for grinding the workpiece 4 by means of the first grinding portion 14 that forms the side surface of the truncated cone and is exposed on the grinding surface of the outer peripheral portion 13a of the grinding stone portion 13 and the first grinding portion 14 is sandwiched between the first grinding portion 14 and the first grinding portion 14. And a second grinding portion 15 that is exposed to the grinding surface together with the portion 14 and contacts the surface 4a of the workpiece 4 at the same time. It is characterized in that 14 is formed so as to have higher wear resistance against grinding than the second grinding section 15 and is orthogonal to the feed direction at the time of grinding.

Inventors

• 👤 Hidetoshi Sakae
• 👤 英利 寒河江

Bibliographic Details