What factors will affect the machining accuracy of the gantry machining center?
The structure of the gantry machining center is very different from the traditional machining center equipment with similar strokes. Generally, the X-axis stroke is more than 2 meters and it is recommended that users use the CNC gantry. First of all, workpieces larger than 2M are generally relatively large. The rigidity and stability of the machine tool must be guaranteed to ensure the machining accuracy and the service life of the machine tool of the gantry machining center. In addition, in terms of processing stability, cost, machine practicability, and use status of the machining center, it is generally recommended to choose the gantry type.
The structure of the gantry machining center equipment is more stable. Its gantry double-column structure is stronger and more stable than the C-type single-column structure, and the accuracy and machine rigidity are more guaranteed. The suspension distance of the machining box of the gantry machining center is shorter than that of the C-shaped steel, which ensures that the original accuracy of the gantry-type machining center is higher than that of the C-shaped steel, and can be used for a longer time.
What are the factors that affect the machining accuracy of the gantry machining center？
Screw vacancy of the gantry machining center: the positioning accuracy of the gantry machining center directly affects the machining accuracy of the workpiece, and the influence of temperature on the positioning accuracy is very important. If there is no machine with a constant temperature working environment, the machine needs to be idling before processing every day to make the machine temperature match the outside temperature. When machining the gantry machining center, it is necessary to frequently check the lead screw reverse vacancy.
Horizontal position of the processing machine of the gantry machining center: The level of the gantry machining center is also a key aspect that affects the machining accuracy of the gantry machining center. Therefore, the gantry machining center should be inspected and adjusted regularly. At present, the machine tools are mainly castings, and the level adjustment is also one of the means to prevent the deformation of the gantry machining center.
Machine tool spindle and machining tool: The key to the taper hole of the gantry machining center is the tool. The accuracy of taper and taper is a key step to ensure machining accuracy. In addition, the quality of the machining tools of the CNC gantry machining center directly affects the machining accuracy. The service life of processing tools determines the processing accuracy of the processing center. In addition, many gantry machining center users do not pay much attention to cutting fluid. They feel that they only need cooling tools. However, the cutting fluid does not play the role of lubrication and cooling, which is very important for the machining process of the gantry machining center.
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