| 摘要 |
The arrangement comprises a hollow shaft (1) provided with a casing (10) containing drive means (4) to which is connected a rotatable shaft (2) passing through the hollow shaft and mounted there in bearings (20), and a flexible shaft (3) connected to the end of the rotatable shaft and having a jacket (30) which is fixed to the hollow shaft, the terminal part of the flexible shaft being connected to the shaft (5) of a grinding disk (35), the latter shaft being mounted in bearings (60) in a case (6). A sleeve (61) on the case (6) is pivotally mounted on support members (14) fixed to a carrier (13) on the shaft (1). <IMAGE>
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