| 摘要 |
The facing machine for hard-fired ceramic tiles comprises: a structure for supporting, and setting the cutting depth of, at least one pair or rotary rollers at a grooving station, the axis of said rollers lying transverse to the infeed path of said tiles as carried on a belt transport; said rollers comprising a plurality of disks formed with diamond-tipped cutting teeth and a facing station comprising a plurality of vertical-axis grinding wheels with abrasive diamond-tipped tooling; said rollers are carried on a common supporting structure, being adjustable in height to set the tool cutting depth in the tile; said structure being pivotable about a parallel shaft to the work surface in a transverse direction to the feed direction of the surface, and being associated with a device for adjusting and inhibiting the pivotal movement of the structure in order to accommodate varying cutting diameters of the rollers at said station.
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