Hydraulic Rotary Swivel

Can hydraulic oil joints be connected by electric welding?

First, the connection method and characteristics of hydraulic oil joints

Hydraulic oil joint is a key component for connecting with hydraulic components and is widely used. There are many kinds of connection methods for hydraulic oil joints, the common ones are threaded connection, flange connection, occlusal connection, etc. These connection methods have their own characteristics, and the specific selection should be selected according to different use cases.

The threaded connection is widely used in the connection of pipes and components, and it is convenient to install and disassemble. Flange connection is widely used to connect the hydraulic components on the body, its connection strength is high, suitable for high pressure and large flow hydraulic system. The occlusive connection is suitable for high pressure, high temperature, heavy load and large vibration working environment, because this connection method uses a locking device, the connection is more firm.

Second, can the hydraulic oil joint be connected by electric welding?

Electric welding is a common method of metal connection, but it is risky to use electric welding to connect hydraulic oil joints. On the one hand, electric welding is different from other connection methods, by heating metal fusion at high temperature, it is easy to change the nature of the metal, resulting in the decline of the strength property of the joint, and the quality cannot be guaranteed. On the other hand, the hydraulic system at work to withstand the high pressure tubing in the working situation there is a large swing, if the use of electric welding connection, in case the joint joint cracks, breaks, etc., will greatly endanger the safety of the operator.

Third, other connection methods of hydraulic oil joints

In addition to the connection methods described above, the hydraulic oil joint has some other connection methods, such as spring sleeve type, quick plug type, extrusion type, etc., which have their own characteristics. For example, the spring bushing type uses rubber sealing rings, and the joint can be freely adjusted for Angle and reliable connection. The quick plug connection is fast and suitable for use in the case of frequent switching. Extrusion is the direct assembly of hard tubes, and the assembly process has relatively high requirements for equipment.

Fourth, summary

Hydraulic oil joint is an important part of the hydraulic system, different connection methods and characteristics are different, must be selected according to the specific use. For the connection method using electric welding, it is only suitable for some low pressure and small flow hydraulic systems, but the risk is greater and it is not recommended. When the joint is connected, the quality and reliability must be guaranteed to ensure the normal operation of the hydraulic system.

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