電動扳手是一種擰緊螺栓的工具，主要用于管道法蘭螺栓的緊固和鋼結(jié)構(gòu)高強度螺栓的連接。扭剪型高強螺栓的初緊可以使用沖擊電動扳手或定扭矩電動扳手，而終緊必須使用電動扭剪扳手，大六角高強螺栓的初緊和終緊都必須使用定扭矩電動扳手。
Electric wrench is a tool for tightening bolts, mainly used for tightening pipeline flange bolts and connecting high-strength bolts in steel structures. The initial tightening of high-strength bolts with torsion shear can be achieved using an impact electric wrench or a fixed torque electric wrench, while the final tightening must be achieved using an electric torsion shear wrench. Both the initial and final tightening of large hexagonal high-strength bolts must be achieved using a fixed torque electric wrench.
電動扭剪扳手和定扭矩電動扳手都屬于電動扳手的一種。其中，電動扭剪扳手主要用于扭剪型高強螺栓的終緊，其使用方法是對準螺栓扳動電源開關(guān)，直到扭剪型高強度螺栓的梅花頭打斷為止；定扭矩電動扳手可用于高強螺栓的初緊和終緊，它的使用是先調(diào)節(jié)扭矩，再緊固螺栓。
Both electric shear wrenches and fixed torque electric wrenches belong to the category of electric wrenches. Among them, the electric torsion wrench is mainly used for the final tightening of torsion shear high-strength bolts. Its use method is to align the bolt and pull the power switch until the plum blossom head of the torsion shear high-strength bolt is broken; A fixed torque electric wrench can be used for the initial and final tightening of high-strength bolts. Its use is to adjust the torque first and then tighten the bolts.
定扭矩電動扳手也稱為力矩扳手，是一種電動扳手，它的主要特點是可以設(shè)置扭矩，并且可以調(diào)節(jié)扭矩，主要用于鋼結(jié)構(gòu)安裝行業(yè)，專門從事鋼結(jié)構(gòu)高強度螺栓的安裝。
Fixed torque electric wrench, also known as torque wrench, is a type of electric wrench that can set and adjust torque. It is mainly used in the steel structure installation industry and specializes in the installation of high-strength bolts in steel structures.
電動扭矩扳手可以稱之為電動精控扭矩扳手，區(qū)別就主要體現(xiàn)在“精控”二字上，通過精控程序控制，結(jié)合了快速預(yù)緊和反力臂迅速定位而精密設(shè)計的高速齒輪變速箱，讓扭矩的精確度可以達到±3-±5%。對于扭矩精確度要求高、速度要求快的使用客戶，可以替代液壓扳手作為螺栓拆裝工具。
Electric torque wrenches can be referred to as electric precision control torque wrenches, with the main difference reflected in the word "precision control". Through precision control program control, combined with rapid pre tightening and rapid positioning of the reaction arm, a high-speed gear transmission is designed with precision, allowing the accuracy of torque to reach ± 3- ± 5%. For customers who require high torque accuracy and fast speed, they can replace hydraulic wrenches as bolt disassembly tools.
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