Is it necessary to use a torsional shear electric wrench to tighten torsional shear high-strength bolts?

扭剪型高强螺栓需要使用扭剪扳手，因为扭剪螺栓拧紧需要折断其梅花头 ，只有扭剪必威西汉姆联官网g1线路才能剪断梅花头，在拧紧之前，先拧紧高强度螺栓，扭剪螺栓的初拧可以选冲击必威西汉姆联官网g1线路，定扭矩必威西汉姆联官网g1线路或扭剪初紧扳手，一般达到拧紧的50-60%的扭矩就足够了。

Torsional shear type high-strength bolts need to use a torsional shear wrench, because the torsional shear bolt needs to break its plum blossom head. Only the torsional shear electric wrench can cut the plum blossom head. Before tightening, tighten the high-strength bolt first. For the initial tightening of torsional shear bolts, impact electric wrench, constant torque electric wrench or torsional shear initial tightening wrench can be selected. Generally, 50-60% of the tightening torque is enough.

很多工厂在进行日常工业生产时都会用到各种各样的电子设备，其中比较常见的就是电动扭剪扳手，这种设备的主要功能就是利用电能通过高速运转的驱动装置使螺丝得到拧紧，那么应该如何利用电动扭剪扳手进行拧紧？有哪些注意事项呢？

Many factories will use a variety of electronic equipment in daily industrial production, among which the more common is the electric torsional shear wrench. The main function of this equipment is to use electric energy to tighten the screws through the high-speed driving device. So how should we use the electric torsional shear wrench to tighten? What are the precautions?

电动扭剪扳手的拧紧操作

Tightening operation of electric torsion shear wrench

1.安装反作用力支架并拧紧螺钉。起动主机，使方头销孔与反作用力支撑孔相对应，然后安装扳手套筒，插入销并用橡胶圈固定。

1. Install the reaction support and tighten the screws. Start the main engine so that the square head pin hole corresponds to the reaction force support hole, then install the wrench socket, insert the pin and fix it with a rubber ring.

2.将控制器的扭矩旋钮调整到所需的扭矩值，将主机的前进和后退开关转到前进位置，将扳手套筒放在螺纹接头的六角上。

2. Adjust the torque knob of the controller to the required torque value, turn the forward and backward switches of the host to the forward position, and place the wrench socket on the hexagon of the threaded joint.

3.按下电源开关，电动扭剪扳手启动。当反作用力支架的力臂牢固地靠在支架上时（支点可以是相邻的螺栓或可用作支点的其他位置），螺栓开始拧紧。当螺栓扭矩达到预定扭矩时，扳手将自动停止，拧紧完成，松开电源开关并拧紧下一个螺栓。

3. Press the power switch to start the electric torsion shear wrench. When the force arm of the reaction support rests firmly on the support (the fulcrum can be an adjacent bolt or other position that can be used as a fulcrum), the bolt begins to tighten. When the bolt torque reaches the predetermined torque, the wrench will automatically stop, the tightening is completed, loosen the power switch and tighten the next bolt.

4. 电动扭剪扳手自动停止后，反作用支架的弹性变形力使支撑力臂自动与支点分离，并拆下扳手。如果力臂无法与支点分离，则转动正极和负极开关，然后单击电源开关扳手将其拆下。

4. After the electric torsion shear wrench stops automatically, the elastic deformation force of the reaction support will automatically separate the support arm from the fulcrum, and remove the wrench. If the force arm cannot be separated from the fulcrum, turn the positive and negative switches, and then click the power switch wrench to remove them.

电动扭剪扳手使用注意事项

Precautions for use of electric torsion shear wrench

1.螺栓直径的大小对控制精度有一定影响。在施工过程中，应使用相同类型的螺栓连接副校准扭矩值，并在使用一段时间后进行检查和校准。

1. The bolt diameter has a certain impact on the control accuracy. During construction, the same type of bolt connection pair shall be used to calibrate the torque value, and shall be checked and calibrated after use for a period of time.

2.工作前启动并空转3-5分钟。运行中如发现电机火花大、异响、扭矩不稳定，应立即停机检查，不得带病工作，必要时还需要对线路进行检查，避免线路出现短路的情况。

2. Start and idle for 3-5 minutes before operation. In case of large spark, abnormal noise and unstable torque of the motor during operation, it shall be shut down immediately for inspection. It is not allowed to work with diseases. If necessary, it is also necessary to check the line to avoid short circuit.

3.定期清洁和更换润滑脂。一般情况下，在运行5000次后，清洁并加油一次，以延长使用寿命，同时也要对设备的内部线路进行检查，如果发现内部线路有破损的情况应当及时进行零部件的更换。

3. Clean and replace lubricating grease regularly. Generally, after 5000 times of operation, clean and refuel once to prolong the service life. At the same time, check the internal circuit of the equipment. If the internal circuit is damaged, replace the parts in time.

4.主机控制仪表上的电源开关、碳刷、保险丝等为易损件，容易引起故障，应经常检查并及时更换，尤其是保险丝，一定要在检查时做到万无一失。

4. The power switch, carbon brush and fuse on the host control instrument are vulnerable parts, which are easy to cause faults. They should be checked frequently and replaced in time, especially the fuse, which must be safe during inspection.

5.搬运工具时，不要提起电缆，注意轻放，防止振动和坠落。不使用电动扭剪扳时，应把它放在通风干燥的地方。如果发现设备存在水分，应及时对其进行干燥处理。不要接触或储存酸、碱和其他有害物质和气体。

5. When handling tools, do not lift the cable, and pay attention to handle it gently to prevent vibration and falling. When the electric torsion shear wrench is not used, it should be placed in a ventilated and dry place. If moisture is found in the equipment, it shall be dried in time. Do not store in contact with acids, alkalis and other harmful substances.

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