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How To Realize 3 Axis Linkage In Vertical Machine Center

Oct 12, 2020

How to realize three-axis three linkage in vertical machining center

Vertical machining center refers to a machining center where the axis of the spindle is perpendicular to the worktable. It is mainly suitable for processing complex parts such as plates, plates, molds and small shells. The vertical machining center can complete processes such as milling, boring, drilling, tapping and cutting threads. The vertical machining center is at least three-axis and two-linkage, and generally can achieve three-axis and three-linkage. 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 box-like workpieces should be reduced. This is the shortcoming of the vertical machining center. But the vertical machining center is easy to clamp and locate the workpiece; the cutting tool movement track is easy to observe, the debugging program is convenient to check and measure, and the problem can be found in time, and the shutdown process 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 are consistent with the Cartesian coordinate system, and the intuitive feel is consistent with the viewing angle of the drawing. The chips are easy to remove and fall to avoid scratching the processed surface. Compared with the corresponding horizontal machining center, the structure is simple, the floor space is smaller, and the price is lower.


Working principle

Using the flow of compressed air in the pipeline, the lubricating oil is driven to flow continuously along the inner wall of the pipeline, and the oil and gas are mixed and transported to the main shaft part of the machining center and the lead screw and other parts that need lubrication. The dry compressed air is continuously supplied at a constant pressure/(5-8BAR/), and the lubricating oil is supplied quantitatively according to the difference of the spindle lubrication, screw lubrication or other parts of the oil consumption. Therefore, each lubrication circuit must use a separate micro oil pump as the power source for oil delivery. After the oil comes out of the pump, it must first enter the oil-air mixing valve. In the oil-air mixing valve, the flowing compressed air blows the oil into fine oil droplets. An oil film is formed on the pipe wall. The oil film flows along the pipe wall in the direction of the airflow. During the flow, the thickness of the oil film gradually decreases, but it does not condense.


Main application

In machining centers, grease and lubricating oil are used to circulate lubrication for parts that will generate abnormal heat. Like spindles, bearings with high rotation speeds are required in highly clean and sealed parts.


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