Tightening operation of bolts of torsional shear type electric wrench

1、装上反力支架，并紧固螺钉。开动主机，使方头销孔与反力支架孔相对应，然后装入扳手套筒，插上销钉，并用橡胶圈固定。

1. Install the reaction support and tighten the screws. Start the host machine to make the square head pin hole correspond to the counter force support hole, then install the wrench socket, insert the pin, and fix it with a rubber ring.

2、将控制仪的扭矩旋钮调到所需扭矩值，将主机正反开关拨到正转位置，把扳手套筒套在螺纹连接件的六方上。

2. Adjust the torque knob of the controller to the required torque value, turn the positive and negative switches of the host to the forward rotation position, and put the wrench socket on the hexagon of the threaded connector.

3、按下电源开关，扳手启动。当反力支架力臂靠牢支架时（支点可以是邻近的一只螺栓或-可作支点的位置）螺栓开始拧紧。当螺栓扭矩达到预定扭矩时，扳手自动停止，紧固完成，松开电源开关，进行下一只螺栓的拧紧工作。

3. Press the power switch and the wrench starts. When the force arm of the reaction support is firmly against the support (the fulcrum can be a nearby bolt or a position that can be used as a fulcrum), the bolt starts to tighten. When the bolt torque reaches the predetermined torque, the wrench will stop automatically. After tightening, loosen the power switch and tighten the next bolt.

4、扳手自动停止后，靠反力支架的弹性形变力，使支架力臂自动脱离支点，取下扳手。如力臂不能脱离支点时，可拨动正反开关，点动电源开关扳手即可取下。

4. After the wrench stops automatically, the support arm will automatically disengage from the fulcrum by the elastic deformation force of the reaction support, and the wrench will be removed. If the lever arm cannot be separated from the fulcrum, the positive and negative switches can be toggled, and the power switch wrench can be inched to remove it.

扭剪型电动扳手操作注意事项

Precautions for Operation of Torsion Shear Type Electric Wrench

1、螺栓直径的大小对控制精度有一定的影响，施工中应用相同型号的螺栓连接付来标定扭矩值，而且使用一段时间后还应进行检验校定。

1. The size of bolt diameter has a certain impact on the control accuracy. The torque value shall be calibrated with the same type of bolt connection pair during construction, and shall be inspected and calibrated after a period of use.

2、工作前应开机空转3-5分钟。操作中如发现电机火花大，声音异常，扭矩不稳定时，应立即停机检查，切勿带病工作。

2. The machine shall be started and idling for 3-5 minutes before operation. In case of large spark, abnormal sound and unstable torque of the motor during operation, the machine shall be shut down immediately for inspection. Do not work with faults.

3、定期清洗和更换油脂，一般在工作5000次后，应进行一次清洗加油，以延长使用寿命。

3. Regularly clean and replace the grease. Generally, after 5000 times of operation, the grease should be cleaned and oiled once to extend the service life.

4、主机上的电源开关，碳刷，控制仪上的保险丝等均属易损件，容易引起故障，应经常检查，及时更换。

4. The power switch on the host, carbon brush, fuse on the controller, etc. are all wearing parts, which are easy to cause faults. They should be checked frequently and replaced in time.

5、使用中如发现工具上的螺钉松动，应及时紧固。

5. If the screws on the tools are found to be loose during use, they should be fastened in time.

6、搬运工具时不可提拉电缆线，并注意轻拿轻放，防止震动和摔碰。不用时应放在通风干燥处。如发现受潮应及时进行干燥处理。不可与酸、碱等有害物质气体接触或存放在一起。

6. When carrying tools, do not lift or pull the cable, and take care to prevent vibration and collision. When not in use, it should be placed in a ventilated and dry place. If damp is found, it shall be dried in time. Do not contact or store with acid, alkali and other harmful substances.

扭剪型电动扳手扭矩的选择与调节

Selection and Adjustment of Torque of Torsion Shear Type Electric Wrench

1、用户可在50-3500Nm的范围内任意选择相应规格的扭剪型电动扳手。

1. The user can choose the corresponding torsional shear type electric wrench at will within the range of 50-3500Nm.

2、控制仪面板上有“扭矩调解旋钮”。刻有0-10个刻度值。细调旋钮的作用是在粗调两档之间进行调节补偿，以提高扭矩控制精度。

2. There is a "torque adjustment knob" on the control instrument panel. It is engraved with 0-10 scale values. The function of the fine adjustment knob is to adjust and compensate between the coarse adjustment and the two gears to improve the torque control accuracy.

3、调节方法：产品出厂时带有扭矩测试数据卡片，供用户标定时参考，用户可根据所需扭矩选择某一刻度值，按拧紧螺栓的操作方法，拧紧螺栓，用测力扳手或其它测力仪器测出螺栓的实际扭矩值，若扭矩相差较小，可用细调加以补偿，若相差较大，可将粗调向上或向下调一档，反复几次即可获得所需扭矩值。

3. Adjustment method: The product is delivered with a torque test data card for reference when users calibrate. Users can select a scale value according to the required torque, tighten the bolts according to the operation method of tightening the bolts, and measure the actual torque value of the bolts with a force measuring wrench or other force measuring instruments. If the torque difference is small, fine adjustment can be used to compensate. If the difference is large, coarse adjustment can be made up or down one gear, Repeat several times to obtain the required torque value.

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