Unlike fixed torque electric wrenches, torsion shear electric wrenches require verification of torque accuracy. They only break the torx head of high-strength bolts, completing their job purpose.

因为扭剪型电动扳手在使用时，将扭剪型电动扳手头对准扭剪型高强螺栓头，扣动开关即可开始工作，几秒后，螺栓梅花头将被扭断，抽出扳手扣动扳机将梅花头弹出，即结束工作。电动扳手主要应用于钢结构安装行业，专门安装钢结构高强螺栓，高强度螺栓是用来连接钢结构接点的，通常是用螺栓群的方式出现。高强螺栓可分为扭剪型和大六角型两种，国标扭剪型高强螺栓为M16、M20、M22、M24四种，现在也有非国标的M27、M30两种；国标大六角高强螺栓为M16、M20、M22、M24、M27、M30等几种。一般的对于高强螺栓的紧固都要先初紧再终紧，而且每步都需要有严格的扭矩要求。扭剪型高强螺栓的初紧可使用冲击电动扳手或定扭矩扳手,而终紧必须使用扭剪扳手;大六角高强螺栓的初紧和终紧都必须使用定扭矩扳手.故各种电动扳手就是为各种紧固需要而来的。

Because when using a torsion shear electric wrench, align the head of the torsion shear electric wrench with the high-strength bolt head of the torsion shear type, press the switch to start working, and after a few seconds, the bolt ring head will be twisted and broken. Pull out the wrench and pull the trigger to eject the ring head, which ends the work. Electric wrenches are mainly used in the steel structure installation industry, specifically to install high-strength bolts for steel structures. High strength bolts are used to connect steel structure joints, usually in the form of bolt groups. High strength bolts can be divided into two types: torsional shear type and large hexagonal type. There are four types of national standard torsional shear type high strength bolts: M16, M20, M22, and M24. Currently, there are also two types of non national standard bolts: M27 and M30; The national standard large hexagonal high-strength bolts include M16, M20, M22, M24, M27, M30, and other types. Generally, the tightening of high-strength bolts requires initial tightening before final tightening, and each step requires strict torque requirements. The initial tightening of torsion shear high-strength bolts can be achieved using an impact electric wrench or a fixed torque wrench, while the final tightening must be achieved using a torsion shear wrench; The initial and final tightening of large hexagonal high-strength bolts must use a fixed torque wrench. Therefore, various electric wrenches are designed for various tightening needs.

冲击电动扳手主要是初紧螺栓的，它的使用很简单，就是对准螺栓扳动电源开关就行。电动扭剪扳手主要是终紧扭剪型高强螺栓的，它的使用就是对准螺栓扳动电源开关，直到把扭剪型高强螺栓的梅花头打断为止。电动定扭矩扳手既可初紧又可终紧，它的使用是先调节扭矩，再紧固螺栓。电动转角扳手主要也属于定扭矩扳手的一种，它的使用是先调节旋转度数，再紧固螺栓。电动角向扳手是一种专门紧固钢架夹角部位螺栓的电动扳手，它的使用和电动扭剪扳手原理一样。

The impact electric wrench is mainly used for initial tightening of bolts, and its use is very simple, which is to align the bolt and pull the power switch. The electric torque wrench is mainly used for final tightening of torque shear high-strength bolts. Its use is to align the bolt and pull the power switch until the plum blossom head of the torque shear high-strength bolt is broken. The electric fixed torque wrench can be used for both initial and final tightening. Its use involves adjusting the torque first and then tightening the bolts. Electric angle wrenches mainly belong to a type of fixed torque wrench, which is used to adjust the rotation degree first and then tighten the bolts. Electric angle wrench is a type of electric wrench specifically designed to tighten bolts at the angle of a steel frame, and its use is the same as that of an electric torsion wrench.

电动扭剪扳手顾名思义就是扭剪梅花头螺栓拧紧作业的工具，帮助您装、拆螺拴、螺母，同时能比较准确地控制拧紧扭矩。利用螺栓定扭矩，当扳手达到一定扭矩时即可剪断螺栓的梅花头部分，其扭矩精度和轴向拉力是靠螺栓的定扭矩V型切口来保证的。拆装扭力矩大、比手工更保险可靠。方便、美观、实用、便于随车携带。广泛用于钢结构桥梁、厂房、发电设备等设施的施工作业。

The electric torque wrench, as the name suggests, is a necessary tool for tightening the torx head bolt, helping you install and remove bolts and nuts, while accurately controlling the tightening torque. By using bolts to set torque, when the wrench reaches a certain torque, the plum blossom part of the bolt can be cut off. The torque accuracy and axial tension are ensured by the V-shaped notch of the fixed torque of the bolt. The disassembly and assembly torque is large and more secure and reliable than manual work. Convenient, beautiful, practical, and easy to carry with the car. Widely used for construction operations of steel structure bridges, factories, power generation equipment, and other facilities.

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