Spindle motor selection analysis for industrial robots

Choosing the right spindle motor for industrial robots requires considering factors like load capacity, speed, torque, and size to ensure optimal performance and compatibility with the robot's requirements.

Spindle motors are vital in industrial production and are the core parts of many processing equipment. In recent years, with the continuous development of industrial automation and intelligence, robotics technology has been gradually promoted in the field of industrial production, and spindles have been widely used in many industrial robots. In industrial robots, the spindle motor's power, speed, and torque performance directly affect the robot's load capacity, processing speed, positioning accuracy, and other key indicators. Therefore, the selection of spindle motors needs to take into account the robot's use of the scene and performance index requirements and choose the appropriate motor parameters.

Influencing factors in spindle motor selection

Different load requirements correspond to different spindle motors. If the

robot needs to move heavy objects frequently, it is necessary to choose a spindle motor with higher power and torque in order to generate a sufficiently large driving torque. On the other hand, for light loads, lower power motors can be selected to reduce costs.

Different motion speeds require spindle motors with differentcharacteristics. High-speed positioning requires a motor with a fast response time to reach the target speed quickly.

Different usage requirements require different spindle specifications, such as deburring, hole turning, polishing, etc. These different applications require the selection of spindles with different parameters.

Specific parameter selection of the spindle motor

Combined with the robot's usage scenario, first determine the required rated power and peak torque. Then, according to the requirements of the movement speed, select the appropriate maximum speed of the motor and the absolute maximum speed. Then select a motor driver with high closed-loop bandwidth and low latency according to the requirement for positioning accuracy. In addition, the inertia of the motor will also affect the acceleration of the robot. Considering all the parameters, choose the spindle motor with matching parameters.

In addition to power, torque, speed, and other dynamic properties, consider the size of the motor and its own mass on the robot as a whole. To ensure that the selected spindle motor can meet the mechanical strength requirements and to consider the thermal management and cooling methods.


The selection of spindle motors for industrial robots determines the working capability of the robot. According to the use of the scene, load requirements, speed and positioning accuracy needs, etc., comprehensive consideration must be given to the selection of the appropriate spindle motor in order to contribute to the high performance of industrial robots.

Leave A Comment

All fields marked with an asterisk (*) are required
Contact us now to get your exclusive plan

More than 8,000 our customers