Reinforced abrasive wheels

摘要

In a depressed-center abrasive wheel assembly (58) a reinforcement layer (14) of polygonal shape is located between a front face (20) of the abrasive wheel (10) and a front flange (50). The reinforcement layer (14) is dimensioned to entirely cover the depressed center portion (32) of the wheel (10). An example of polygonal reinforcement layer (14) has a hexagonal shape and is made of fiberglass cloth. A polygonal shape reinforcement layer (14) can also be employed between the front flange and the front face in an abrasive flat wheel assembly that employs a wheel without internal reinforcement.