Advantages disadvantages of linear three-axis in the machining center driven by linear motor

In fact, the presentation of the linear motor makes the servo motor + rolling lead screw drive equipment very awkward, because the linear motor can replace the servo motor + rolling lead screw to drive the linear three-axis. Linear motors are generally used in high-speed machining centers. Generally, linear motors are rarely used in CNC machine tools to drive linear triaxial, because the current technology of linear motors to drive triaxial is old enough. Next, let's introduce the advantages disadvantages of linear motor driving linear three-axis.

The benefits of linear three-axis of linear motor driven machining center

Linear motor drive linear three-axis has the advantages of high speed, high efficiency, excellent rigidity so on. The speed of linear motor driving linear three-axis is 2-3 times faster than that of servo motor + roll lead screw driving linear three-axis. The feed speed of servo motor + roll lead screw driving linear three-axis is generally 48m / min, while the feed speed of linear motor driving linear three-axis is 86m / min; because servo motor + roll lead screw is the driving form, the rigidity is as good as linear motor.

Disadvantages of linear three axes in the machining center driven by linear motor

At present, the skill of linear motor driving linear three-axis is very old, so there are still many shortcomings of linear motor, such as the existence of valuable price, large heat output, poor transmission stability other shortcomings. The production cost of linear motor is very precious, so the price is also precious. Due to the high speed of linear motor, a certain amount of heat will be generated in the process of high-speed movement. The faster the speed of linear motor, the higher the heat will be. Therefore, it is necessary to equip cooling system for linear motor driven linear shaft equipment.