| 摘要 |
A stone cutting system effective for mechanically delineating defined datum points in a Cartesian coordinate system by positioning at least one datum point defining means per coordinate comprising a combination blocking and clamping device, a table of a computer numerically controlled (CNC) stoneworking machine, a locating means positioned on the table, the blocking and clamping device being in the form of a parallelepiped including a bottom surface having a plurality of apertures adapted to enable positioning about the locating means, a top surface having a first blocking edge and a second clamping edge, including at least one means for clamping a workpiece within said top surface second clamping edge, a left side surface, a right side surface, a front surface, a rear surface, and at least one means for fixation of said device on said table.
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