Shenwan Hongyuan Securities·2025-08-14 07:43Investment Rating - The report rates the industry as "Overweight," indicating that it is expected to outperform the overall market [3]. Core Insights - The axial flux motor has significant advantages in torque density and efficiency, already being applied in robotics. For instance, the YASA axial flux motor achieves torque density and power density of 160 Nm/L and 14.9 kW/kg, respectively, which is four times that of traditional radial flux motors [3]. - PCB motors, a branch of axial flux motors, have increased application potential due to optimized PCB technology. They replace traditional iron core stators with PCBs, leading to reduced weight and enhanced efficiency [3]. - PCB motors excel in lightweight design, high efficiency, stability, automated production, low noise, and flexible design, making them suitable for robotic applications that require high torque density and rapid response [3]. - The robotics sector presents new development opportunities for PCB axial flux motors, with leading companies actively seeking innovative motor technologies as traditional solutions face limitations [3]. Summary by Sections Axial Flux Motor Advantages - The axial flux motor is characterized by a flat shape and a larger effective magnetic area, resulting in higher torque and efficiency compared to traditional motors [3]. - The efficiency of these motors typically exceeds 96%, with lower operational noise and vibration [3]. PCB Motor Characteristics - PCB motors are lightweight, reducing copper usage by 66% and significantly decreasing weight [3]. - They offer high efficiency due to reduced magnetic path losses and improved thermal stability [3]. - The automated production process ensures consistent quality and allows for rapid customization [3]. Investment Opportunities - Recommended companies to watch include: - Wolong Electric Drive: A comprehensive motor supplier focusing on high torque density axial flux motors [3]. - Xiaxia Precision: Invested in ZhiJian Intelligent, specializing in micro motors [3]. - Mingyang Circuit: Capable of full-process PCB production with a focus on robotics [3]. - Dongmu Co., Ltd.: Holds a 22% stake in Xiaoxiang Motor, a leader in axial flux motor technology [3]. - Yidelong: A flexible EMS manufacturer with a diverse product range [3].