The machine body is the mechanical structure of the stone engraving machine, which mainly includes the main moving parts, the feeding moving parts (such as the work table, the tool holder), and the supporting parts (such as the bed, the column, etc.).
In addition, CNC machine tools such as stone stone engraving machines are also equipped with cooling, lubrication, indexing parts, tool setting and measuring equipment. Compared with ordinary machine tools, CNC machine tools have undergone great changes in overall layout, appearance, transmission mechanism, tool system and operating mechanism. The purpose is to meet the requirements of CNC technology and give full play to the characteristics of stone engraving machine.
To sum up, it includes the following changes:
(1) Stone engraving machine uses high-performance main drive and spindle components. It has the advantages of large transmission power, high rigidity, good vibration resistance and small thermal deformation.
(2) The stone engraving machine feed drive adopts high-efficiency transmission parts. The utility model has the characteristics of short transmission chain, simple structure and high transmission precision, and generally adopts a ball screw pair and a linear rolling guide pair.
(3) Stone engraving machine has a complete automatic tool exchange and management system.
(4) The stone engraving machine generally has automatic workpiece exchange, workpiece clamping and relaxation mechanism on the machining center.
(5) The stone engraving machine itself has a high dynamic and static stiffness.
(6) The stone engraving machine adopts a fully enclosed cover. Since the stone engraving machine tool is automatically processed, in order to operate safely, the fully enclosed casing of the moving door structure is generally used to completely seal the machined parts of the machine tool. For the semi-closed loop and closed-loop stone engraving machine, there is also a detection feedback device, which is used to detect the actual moving speed, direction, displacement and machining state of the machine tool, and convert the detection result into an electrical signal for feedback to the CNC device. The detection feedback device mainly includes an inductive synchronizer, a grating, an encoder, a magnetic grid and a laser range finder.
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