| 摘要 |
The invention relates to a method and apparatus for dressing the grinding wheels of a dual head grinding machine. To this end a dual wheel head grinding machine is provided having first and second heads (10, 12) respectively carrying first and second grinding wheels (14, 16), wherein the first and second wheels heads respectively also carry first and second wheel dressers (28, 30) and the two wheel heads are relatively movable to enable the first dresser to dress the second grinding wheel, or to enable the second dresser to dress the first grinding wheel. The two wheel heads are preferably movable in two coordinate directions, firstly to enable movement towards and away from one another and secondly to enable infeed and reverse movement at right angles thereto. |
