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With the advent of hydraulic wrenches, it can successfully replace the old wrench. For large industrial areas or large mechanical equipment, the need for hydraulic wrenches to complete. Moreover, the hydraulic wrench's connection accuracy during operation is much higher than that of the old hydraulic wrench, which can meet the different needs of users. In addition, the automation of the hydraulic wrench also saves human resources to a great extent, as long as the hydraulic wrench is sufficient. The use of knowledge and experience can successfully complete the operation.
In terms of design, the power source of the hydraulic wrench comes from the hydraulic electric pump. Like the car needs to burn gasoline, the hydraulic oil is the nutrient of the hydraulic wrench. The hydraulic oil is liquid, so the sealing degree of the hydraulic wrench is very high. We have several requirements for the sealing device of the hydraulic oil: due to the working requirements, the sliding surface may cooperate with the electric pump of the hydraulic wrench to make it fully lubricate. For example, hydraulic oil is applied during installation. There are many types of seals used in general hydraulic wrenches. Common types of O-rings, V-shapes, and Y-type seals are used, which are named according to their shapes. Each type of seal ring Have their own considerations, such as the V-type and Y-type seals must pay attention to the direction of installation, these two kinds of seals are easy to reverse, if the reverse is likely to leak; O-rings in the assembly It cannot be deformed to a large extent for the convenience of installation, otherwise it will affect the use effect, and it will also cause oil leakage from the hydraulic wrench because the seal ring is distorted too much.
This article comes from: Hangzhou Renn Hydraulic Equipment Manufacturing Co., Ltd. /newshow.asp?id=768
The sealing device is the key to ensure that the hydraulic wrench does not leak oil
Nowadays, the modernized control and transmission technologies used in our country's industry are becoming more and more common. The hydraulic technology of hydraulic wrenches is one of them. In the past years, we used to use old-fashioned wrenches to tighten the bolts in various environments. However, anyone who used to know that this kind of wrench can only adjust the tightening torque manually can not reach enough. Accuracy. Moreover, with the increase in the workload, the required labor force will also increase, but the manpower operation is limited, so the work efficiency is not high.