The tester can test the durability of the sofa, through the electric servo closed-loop system, the integration of power and position measurement and acquisition system, to achieve by adjusting the different parts of the load force or angle position of two kinds of experimental models to accurately control the human body model legs and waist joint orderly and coordinated action, complete the leg back, lying down, legs stretching reset function, to achieve the folding sofa and corresponding functional sofa durability and functional testing.

Standard basis：

BS EN 13759-2012 furniture-operating mechanisms for seating and sofa-beds-test methods

QB/T 4462-2013 Upholstered furniture-Manual operation folding sofa