News — trapdoor
How to choose the suitable linear actuator based on the weight of the trapdoor?
Posted by CaryRS on
To open trapdoors of different weights, it is necessary to select a linear actuator with suitable thrust, stroke and speed. The picture below is a trapdoor installed horizontally with a length and width of 80 cm. Its weight is 40kg. Choose the suitable stroke: We recommend that you install the bottom and head of the linear actuator at a distance of about 40cm vertically and horizontally from the fulcrum of the trapdoor. In this way, the initial installation distance between the head and the bottom of the linear actuator can be calculated to be 57CM. When the trapdoor is opened...