Buffer compression springs are used to control the movement of machinery, common control springs in clutches and valve springs in internal combustion engines, etc.; absorb shock and impact energy, such as common sofa seat springs, etc.; store and output energy as power , like a spring in a clock, etc.
Of course, buffer compression springs also have the functions of measuring, resetting, driving, and buffering. It has the function of resisting and buffering pressure. It is widely used in machinery.