High speed machining center refers to the machining speed higher than high-speed machining center. In general, the spindle speed of high-speed machining center is more than 18000r / min, and the three-axis rapid movement is more than 24m / min. we all call it ultra-high-speed machining center. Domestic ultra-high speed machining center is not as good as foreign ultra-high-speed machining center, whether in cutting speed, machining accuracy and stability, domestic ultra-high-speed machining center is inferior to foreign ultra-high-speed machining center. At present, the spindle speed of domestic ultra-high speed machining center is about 20000 R / min, while that of foreign Swiss Mirand company has been 42000r / min and 60000r / min; therefore, the spindle speed of domestic ultra-high speed machining center is not as good as that of foreign ultra-high-speed machining center. The following is to introduce the cutting advantages of ultra-high speed machining center.
V8 high speed machining center
High efficiency of high speed machining center
The cutting speed and feeding speed are 5-10 times higher than that of conventional machining center, and the ultra-high speed machining center and the conventional machining center process the same workpiece. The conventional machining center takes three minutes to complete the processing, while the ultra-high speed machining center needs one minute to complete the processing, using only one third of the time of the conventional machining center.
The cutting force of high speed machining center is small
Compared with the conventional machining center, the cutting force is reduced by 30%, the material removal rate of single power can be increased by 40%, and the service life of the tool is increased by 70%.
The high-speed machining center has a small probability of thermal deformation
Because 95% of the heat produced by ultra-high speed machining center is not transferred to the workpiece and tool in time, but is directly and quickly taken away by the chip. Therefore, the temperature of the workpiece and the tool is not very high, and it will not cause the workpiece with thermal deformation.
The machining precision of high speed machining center is high
Because the vibration of the ultra-high speed machining center in the high-speed machining process is small, and the shock resistance of the machine body is good, not only the accuracy is improved, but also the service life of the machine tool is improved. Because the chip is far away from the workpiece rapidly, 95% of the heat produced in the high-speed machining process is taken away by the chip, so that the residual thermal stress on the surface of the workpiece is small, and the probability of the tool and workpiece deformation in the heat is reduced, which ensures the machining accuracy and better surface quality.
Because of the high vibration frequency of the ultra-high speed machining center when cutting the workpiece with high-speed rotating cutter, and beyond the natural frequency range of the machine tool, workpiece and tool system, the vibration of the process system will not be caused.
High speed machining center has good economic efficiency
Because the ultra-high speed machining center can complete all the processing procedures of the workpiece in a short time, shorten the processing time; and the processing energy consumption of the ultra-high speed machining center is low; it can process the workpiece with poor rigidity, such as thin-walled parts; its machining parts have high machining accuracy; in the process of high-speed machining center, the tool and workpiece are in point contact, so the tool is improved It not only saves the auxiliary time of tool change, but also saves the cost of tool edge grinding
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