Horizontal machining center refers to the machining center with the spindle axis parallel to the workbench, and is mainly suitable for machining box-type parts.
The spindle of the horizontal machining center is horizontal, usually with a square table for indexing and rotary motion. Generally, there are 3 to 5 motion coordinates. The common one is three linear motion coordinates plus one rotary motion coordinate. It can complete the processing of the other four surfaces except the mounting surface and the top surface of the workpiece after one clamping. It is most suitable Processing box parts.
Generally, it has an indexing table or a CNC conversion table, which can process all sides of the workpiece; it can also perform joint movement of multiple coordinates in order to process complex spatial surfaces.
Some horizontal machining centers are equipped with an automatic exchange workbench. While processing the workpiece on the workbench at the working position, the workpiece on the workbench at the loading and unloading position can be loaded and unloaded, thereby greatly reducing the auxiliary time and improving Processing efficiency.
The vertical machining center refers to the machining center with the axis of the main shaft and the workbench arranged vertically. It is mainly suitable for processing complex parts such as plates, discs, molds and small shells. The vertical machining center can complete the processes of milling, boring, drilling, tapping by cnc drilling and tapping machine and thread cutting. The vertical machining center has at least three axes and two linkages, and generally three axes and three linkages can be realized. Some can carry out five-axis and six-axis control.
The height of the column of the vertical machining center is limited, and the processing range of the box-type workpieces should be reduced, which is the shortcoming of the vertical machining center. However, the workpiece clamping and positioning of the vertical machining center are convenient; the tool movement trajectory is easy to observe, the debugging program is easy to check and measure, and problems can be found in time, and the shutdown processing or modification can be performed; the cooling condition is easy to establish, and the cutting fluid can directly reach the tool and the processing surface; The three coordinate axes coincide with the Cartesian coordinate system, and the intuitive feeling is consistent with the viewing angle of the drawing. Chips are easy to remove and fall off, and avoid scratching the processed surface.
Compared with the corresponding horizontal machining center, it has a simple structure, a smaller footprint and a lower price.
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