| 摘要 |
An apparatus for machining an article (L) in the form of a slab or the like comprises-in addition to a rotary tool ( 24 ) associated with a spindle ( 22 )-a nozzle ( 26 ) ejecting water at very high pressure. Both the rotary tool and the nozzle are supported by a carriage ( 20 ) sliding along a beam ( 18 ) in turn sliding along two shoulders ( 14 ) in a perpendicular direction. In the working area ( 12 ) and above a tank ( 30 ) normally filled with water, the article (L) is supported in a horizontal position not only by an interchangeable grid ( 32; 52 ), but preferably also by a disposable support ( 34 ) which prevent the rotary tool ( 24 ) from coming into contact with the grid. The disposable support is periodically replaced.
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