Grinder

Abstract

A grinder (1) comprising a resilient plate (2) having one side bonded to the back side of an abrasive cloth (3) and the other side on which a fastening means (5) for attaching the grinder (1) to the rotary shaft of a rotary grinding machine is provided, characterized in that longitudinal grooves (7a) and lateral grooves (7b) are provided in a grid form on the surface of the abrasive cloth (3) on the side abutting against an object to be ground.

Description

technical field [0001] The present invention relates to a grinding disk mounted on a rotating shaft of a rotating grinding device for grinding and glazing metal and other processed surfaces or painted surfaces. Background technique [0002] As for the grinding disc installed on the rotating shaft of the rotating grinding device and used, there has been described a grinding disc in which the back side of the polishing cloth is fixed on one side of the elastic plate, and the other side of the elastic plate is provided for fixing it. Grinding is performed by bringing the surface of the polishing cloth into contact with the object to be polished in the fixing device of the rotating shaft of the rotating polishing device. With the grinding disk as described above, the outer peripheral portion can contact the surface of the abrasive, the outer peripheral portion with the fastest linear speed can be effectively used in grinding, and the grinding disk can be easily replaced when it ...

AI Technical Summary

Problems solved by technology

[0006] However, for the conventional grinding disc in which multiple rows of grooves are formed along a certain direction, such as along the longitudinal direction, at intervals of a predetermined width as described above, if it is considered that the multiple rows of grooves will affect the grinding surface during grinding, , there is room for further improvement

[0007] Sponge grinding after the cloth grinding process using the above-mentioned conventional grinding discs to completely eliminate polishing lines from the grinding surface is not an easy task.

Images