Reasons for failure in crimp of industrial hose assembly

     The industrial hose assembly is buckled by the hose body and the connection joint, which is used to convey fluid with a certain pressure and flow rate, and connects the separate oil circuit units to make it a control system that completes some control functions. Because of its special flexible function, it is easy to install and connect, can absorb shocks and reduce pipeline vibration. It is an important pipeline component in fluid transmission and control systems. It is widely used in food processing equipment, medical engineering, chemical machinery and other fields.
    However, due to the limitation of the timeliness of rubber, the strength of steel wire, and the structure of the crimping structure, industrial hose assemblies are prone to damage, aging and oil leakage in actual use. Among them, oil leakage at the buckle of the hose joint is the most important form of failure of the hose assembly. During the use of the hose assembly, there have even been serious safety accidents caused by the disconnection or breakage of the buckle of the hose assembly. It can be seen that improving the crimping performance of the hose assembly and improving crimping reliability are very important.
 
  The main reason for oil leakage or even pull-out or breakage at the buckle of hose joints is that the size of the buckle is too large or too small, the buckle structure is not reasonable, the buckle operation is improper, the installation is twisted, the bending radius is too small, it is rubbed, and the ambient temperature is too high. The use time is too long, and the inner rubber layer is aging. The main reasons for the failure of the total cost of the hose are:
(1) The withholding structure is unreasonable;
(2) The size of the buckle is too large or too small;
(3) Defects such as burrs and sharp angles at the joint buckle;
(4) Improper withholding operation;
(5) Withholding equipment problem. Therefore, how to adopt a reasonable withholding structure and size, and the correct  crimping  process  are the keys to reducing the withholding failure.
 

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