This machine is specially designed to test finished shoes such as sports shoes, casual shoes, work shoes, etc. After continuous reciprocating bending at a fixed frequency and fixed angle for a long time, it evaluates its folding resistance or inspects its cracking degree. This machine has many features, covering all aspects. In addition to reasonable design, beautiful model, and easy clamping and removal of specimens, the rotating shaft is specially made of carbon steel, which is strong and durable. The belt conveyor is tightly coupled with the rotating shaft in a gap-free manner. Minimize wear and noise, and use the toothed belt to make the rotation speed more accurate and stable. Coupled with the vibration-offsetting design and the use of a shock-proof tripod, the machine is beautiful, sturdy, stable and durable, with low wear, low noise, and easy to operate. , easy maintenance and many other features, the acrylic protective cover ensures the safety of operators during operation and complies with SATRATM92 technical basis.