| 摘要 |
The housing (7) has a rear side rotary portion (8) that is rotated about an axis (20) of rotation. A front recess (15) is formed for receiving a projection portion of motor vehicle hub. The front recess is concentrically formed on the mounting portion (17), for attachment of a grinding wheel. The mounting portion is equipped with an anti-twist plate for attaching the grinding wheel on the housing. Several pins are extended from the surface of the mounting portion towards the wheel portion upto a predetermined height. The housing is made of aluminum or polyoxymethylene. |
