【Design standards and working principle】

　　The main function for this testing machine is to test sofa on the long-term ability of repetitive loads, measuring its seat, backrest and armrests durability test, simulate the human body will certainly shape the load module to load the specified type, frequency, respectively, of sitting, back and armrest surfaces repeated load, measured after tens of thousands of times the durability.

　　This product is based QB/T1952.1-2003, QB/T1952.2-2004, GB/T10357.1-1989, QB/T1951.2-1994, BS4875 and other standard design.