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Hydraulic bolt tightening wrench.Hydrailic band saw Manufacturing
source:Industry News release time:2021-11-17 Article author:Rosit Popular:Air band saw
In industrial production, the importance of threaded connection quality has attracted widespread attention. Therefore, how to ensure the secure connection of the bolts has become a top priority. How to make a safe link for bolts? If you want to make a safe connection of bolts, you have to mention hydraulic wrenches.
In the actual production process, the commonly used methods of bolt tightening include torque method, nut corner method, bolt pre-elongation method, special washer method, etc. These four methods of controlling pre-tightening force are all applied to torque to tighten the bolt connection. . If you change the tightening method, apply tension to the bolt to extend it, and then gently tighten the nut. After the tension is removed, the shrinkage of the bolt can produce a pre-tightening force equal to the tension in the connection.
The birth of hydraulic wrench provides perfect tool support for bolt pre-tightening. Hydraulic wrench is powered by hydraulic pressure and provides high torque output. It is a professional bolt tightening tool used for bolt installation and disassembly. It is often used for tightening. And loosen bolts larger than one inch. The maximum output torque of the hydraulic wrench can reach 110000Nm, which not only improves work efficiency and reduces labor intensity, but also greatly improves installation quality and is also conducive to site safety management.
The main purpose of the hydraulic wrench synchronization system is to avoid the unilateral pressure mode of the flange surface, which will cause the gasket on the flange surface to fail due to excessive extrusion, which will cause leakage. The synchronization system is to use two or four hydraulic wrenches connected to one pump at the same time. According to the hydraulic principle, multiple hydraulic wrenches work at the same time and output the set torque at the same time, and the flange can be closed in parallel, and the torque accuracy can reach 3%. The synchronization system can lock the bolts at one time, while the single system needs to be loaded multiple times and locked step by step. It can be seen that the efficiency of the synchronization system is far greater than that of the single system.
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