I company specializing in the production of various types of brushless dc gear motor controller, the company has been relying on high quality products and first-class service and has been praised by the masses of customers, today small make up to you to simply introduce brushless dc gear motor controller reduction ratio calculation problem, want to know, don't miss it. If you need the motor controller + terminal output torque of gear box to achieve the required value, and the motor controller running smoothly, the smaller terminal output speed requirements. So first of all, the selected motor controller, the torque of the motor controller is given, assuming the T0; With gear box, assuming that the gear reduction ratio of n: 1, add the terminal torque of gear box motor controller for: T0 * n, and this is the theoretical value, you must according to the actual load fluctuations have certain margin. In addition, the brushless dc motor controller is inversely proportional to the torque and rotational speed, the higher the speed torque is smaller. Could satisfy the requirement of load in the case, it is recommended that the use of small reduction ratio gear box; Because generally speaking, the greater the reduction ratio, the lower the efficiency of gear box. So, under the same motor speed controller, you choose 600:1 gear box and 400:1 the ratio of the gear box of the torque for 400:600. If you are looking for the above content is not clear or there are different opinions, I hope you can put forward in time, we will ask professional personage to explain for you, you will be with you to discuss the corresponding problems, thank you for your help in advance. Small make up: fiona