| 摘要 |
A tool support device for use in a belt grinding apparatus (1), the apparatus including, a drive motor (60), a drive shaft (61) and an abrasive belt arranged to be driven by the drive motor, (60) the tool support device (10) including a primary carriage (20) including a plurality of mounting zones (22, 23, 24) thereon, each mounting zone being adapted to receive a primary working tool assembly, (40, 41, 42), one or more of the primary tool assemblies including a secondary carriage (46) operatively mounted to the primary carriage (20) at one or respective one of the mounting zones (22, 23, 24) the primary carriage (20) being mounted for rotary movement so that it can adopt a plurality of working positions, wherein in each working position one of the primary working tools can be selectively disposed at a work station in an operative position, the secondary carriage (46) having a plurality of additional working tools thereon, the secondary carriage (46) being adapted for rotary movement relative to the primary carriage (20) so that one of the additional working tools can be disposed in an operative position when at the work station.
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