The selection of electric push rods and self-locking conditions

As a new type of transmission equipment, electric push rods provide technical engineers with a wide design space, which allows us to complete specific linear motions more easily and quickly. It has good carrying capacity and high synchronism, and it is smaller and more precise than other transmission products. It can also realize modular combination of various accessories, which is rapidly in the field of industrial automation today. To have a role to play.

Its selection process is not much different from the screw lift. It should be noted that it has a working problem. The working efficiency of the ordinary toothed electric pusher DMDT22 is about 25%. The DMDT28, DMDT32, DMDT35, DMDT40, DMDT56 series are common. The working force of the toothed electric push rod is 30%. Of course, if the actual load in your specific use is less than the rated load, you can also improve the working system appropriately, but observe it in time to avoid problems. There is also a self-locking problem. This parameter can refer to the self-locking coefficient table of our album, and judge according to the actual situation. If the self-locking is not achieved, we need to install additional brakes, like brake motors.

The self-locking condition of the electric push rod is also to be told today. The first is static self-locking. The self-locking factor is less than 0.35. If there is no vibration at rest, the push rod can remain stationary under external pressure. When the self-locking coefficient is less than 0.3, when the push rod is subjected to the force and the moving direction is opposite, there is no motion when the motor is powered off. When the self-locking coefficient is less than 0.25, when the push rod is subjected to the same force and movement direction, there is no motion when the motor is powered off. Self-locking factor between 0.35 and 0.55
When the external force is continuously increased, the push rod will move up and down. The self-locking factor is greater than 0.55, and the push rod can move up and down under a small external force. Therefore, we must pay attention to the self-locking problem when selecting the model.

The above is the main content of today, I hope it can help everyone. If you have other problems with the transmission, you can always be our sales staff or technical engineers, we will be happy to help you.

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