Screw joints are very common in manufacturing, because they permit disassembly and reassembly without damage to the connected surfaces. In fact, they represent about 20 - 25% of all joints and, in many cases, they determine the strength, reliability, and safety of the system. Therefore, they must satisfy strict requirements [1]. Since the assembly of such joints is important and laborious, manufacturers are always seeking to improve the corresponding equipment.
展开▼
