Abstract : This paper analyzes the working principle and development prospects of linear motors, and explores the potential advantages of using linear motors in coal preparation equipment. Keywords : Linear motor, transmission method, translational magnetic field 1 Overview Linear motors are a rapidly developing new technology in the world today. Using linear motors to drive equipment can directly convert electrical energy into linear motion mechanical energy, establishing a contactless transmission method. This motor has advantages such as simple structure, small foundation engineering, fast start-up, safety, reliability, convenient maintenance, low cost, low noise, high flexibility, and energy saving. It is a mechatronics product. Currently, this product has been widely used in transportation, lifting and handling, transmission devices, national defense, and coal mine transportation, and its development prospects are very broad. 2 Working Principle of Linear Motors From the perspective of motor classification, linear motors are a special type of motor, developed based on the working principle of rotary motors. In principle, any form of rotary motor has a corresponding linear motor, and there are even more types than rotary motors. While the structural forms of linear motors and rotary motors differ greatly, their working principles are the same. Linear motors can be seen as evolving from their corresponding rotary motors. [b][align=center]For details, please click: A Preliminary Discussion on the Application of Linear Motors in Coal Preparation Equipment[/align][/b]