| 摘要 |
The disk (1) has a circular disk-shaped carrier plate (2) formed with a through-hole (3). Abrasive flaps (4) of abrasive cloth are coated on the carrier plate. A base fabric, a ground fabric and abrasive grain mixture are included in the disk, where the grain mixture is provided with 25-75 percentages zirconia and 25- 75 percentages alumina and number of the abrasive flaps is between 30-46 pieces. The base fabric is obtained from polyester and a mixture of polyester and cotton, where diameter (D) of the disk is specified from 115 mm to 125 mm. |
