| 摘要 |
A box structure (12) encloses, aligns, and supports the motions along three or more axes (X,Y and Z) of a Computer Numerical Controlled (CNC) machine tool (64). The box structure (12) is formed by the assembly of six flat panels (36, 39, 40, 50, 81, 112), which may be wood, plastic, metal, or other material. The flat panels may be shipped flat for assembly by the end user, as is common in the furniture art field, because the assembly of the panels will produce a fully aligned box structure. The assembly may incorporate edge connectors (44, 45, 84, 85) to align the edges of the panels to achieve the precision box structure. The edge connectors may incorporate bearing surfaces (52, 58) to support the rolling or sliding bearings of the X, Y, and Z CNC motions, so that all cutting forces are delivered to the edges of the box structure, where it has the most precise alignment and the greatest rigidity from the support of the adjacent panels. The structure (12) has an elongated edge connector to connect edges of six panels to form a box structure and control motors (21, 22, 23) to transmit forces of computer numerical controlled (CNC) machining motions approximate to the connected edges. The connectors have a bearing surface to support linear bearings of the CNC machining motions.
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