The advantages of linear three-axis machining center driven by linear motor
Linear motors drive linear three-axis has the advantages of fast speed, high efficiency, and excellent rigidity. The speed of the linear three-axis driven by the linear motor is 2-3 times faster than the speed of the servo motor + rolling screw driving the linear three-axis. The feed speed of the servo motor + rolling screw driving the linear three-axis is generally 48m/min, while the linear motor The feed speed of driving the linear three-axis is 86m/min; because the servo motor + rolling screw is the transmission form, the rigidity is not as good as the linear motor.
The shortcomings of linear three-axis machining center driven by linear motor
Because the current technology of linear motors driving linear three-axis is not mature, linear motors still have many shortcomings, such as high price, large heat generation, poor transmission stability and other shortcomings. The manufacturing cost of the linear motor is very expensive, so the price is also expensive. Because the linear motor is fast, it will generate a certain amount of heat during high-speed movement. The faster the linear motor, the higher the heat generated, so the linear motor driven linear axis device must be equipped with a cooling system.
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