Bast fast door has the characteristics of high reliability, practicability, easy operation and low maintenance cost, and provides you with a comprehensive warranty service after installation. The control system adopts self-developed micro-computer controller, visual human-computer interface and original imported shaft limit switch to ensure that the normal and trouble free action can reach more than 100000 times in the industrial application field every year; the terminal buffer technology adopts advanced high-performance IPM module, which makes the fast door start and stop more mellow, and reduces the inertia of high-speed movement to the door body machinery Part of the impact. After the cold splicing process is adopted for the curtain splicing, the curtain can effectively avoid the heat and post deformation, thus greatly improving the flatness and appearance; and the curtain adopts the segmented splicing method to reduce the maintenance cost.