Recently, a customer inquired about our electric collimator, and the customer wanted to replace the machine in the hospital. Send the customer the information of our electric collimator in the past. The electric collimator itself is an electromechanical optical device installed in front of the output window of the X-ray tube assembly sleeve. The main function of the electric collimator is to control the irradiation field of the X-ray tube Under the premise of imaging and diagnosis, try to reduce the projection range to avoid unnecessary doses; and can absorb some scattered rays to improve the resolution. In addition, it can also indicate the size of the projection center and the projection field of view. Therefore, the electric collimator is an indispensable auxiliary equipment for X-ray projection and protection.