Linear motor is a kind of motor that can directly convert electrical energy into linear motion, which has the advantages of high power density, small size, fast response speed and low maintenance cost, so it is widely used in automation control system, mechanical processing equipment, household appliances and other fields. The linearity of linear motor is an important index to measure its accuracy and stability, which refers to the degree of deviation between the motor motion path and the ideal path. Linear motor linearity has the following effects on its performance:

1. Affect the accuracy of feed positioning and the smoothness of motion

The linearity of the linear motor determines the accuracy of its actual motion in the working process. If the linearity of the linear motor is poor, it will lead to a large motion deviation, affecting the feed positioning accuracy and vibration prevention effect. The vibration and error during feeding will be reflected in the quality of the machined surface to varying degrees. In addition, linearity affects the motor's motion smoothness and stability, making it more difficult for linear motors to meet the requirements of fine machining and high-speed work.

2. Affect dynamic response and speed control accuracy

The linearity of linear motor will affect its dynamic response and speed control accuracy. When the motor is started and stopped, the linearity level will affect the adjustment of the motor's own state and the change of acceleration. If the linearity of the linear motor is higher, its response speed and rate of change during the movement can be better controlled, so as to better respond to the changing needs of the workload.

3. Affect the working life and reliability of the motor

The linearity of linear motor not only affects its stability and accuracy, but also affects the working life and reliability of the motor. The linear motor with poor linearity will produce greater heat and vibration, accelerate the wear of motor parts, affect the damage of motor parts and leakage and other safety hazards, and affect the work efficiency of the entire machine and the long-term use of the product.

4. Affect energy efficiency and environmental quality

The quality and performance of the motor affects the energy efficiency and environmental quality of the entire electric system. Linear motors with high linearity will help reduce the energy consumption of motors and optimize energy efficiency, thereby reducing environmental pollution, reducing operating costs, and reducing the optimization burden of enterprises.

In general, the linearity of linear motor has a non-negligible effect on its performance. In order to obtain a high-precision linear motor, it is necessary to take effective quality control measures, reasonable process design and appropriate wear-resistant material structural parameter design in the production process, so as to ensure that the linear motor has good linearity and work efficiency, economy and environmental protection, in line with the needs of a wide range of applications.