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一款优良的电动扭矩扳手如何选择?

来源:https://www.xjnwz.com 日期:2021-09-01 发布人:admin

电动扭矩扳手因其方便、快速、易操作在一些行业检修安装作业中备受施工单位亲睐。尤其是充电电动扭矩扳手,更是成为现场继液压扭矩扳手之外使用为广泛的一种螺栓紧固拆卸工具。那么,一款优良的充电电动扭矩扳手品牌该如何选择呢?

Electric torque wrench is favored by construction units in maintenance and installation in some industries because of its convenience, speed and easy operation. In particular, the rechargeable electric torque wrench has become a widely used bolt fastening and disassembly tool in addition to the hydraulic torque wrench. So, how to choose an excellent brand of rechargeable electric torque wrench?
我们知道,一般选用不同于普通电动冲击扳手的充电电动扭矩扳手首先说明工况螺栓预紧是要有精 准扭矩要求的,因此首先是看该款电动扭矩扳手的扭矩范围是否能够达到工况使用要求,精度是多少。如果精度过低是无法保障螺栓预紧一定能够达到预设的,也就是说很可能导致预紧效果不合格。
电动扭矩扳手
We know that generally, the rechargeable electric torque wrench different from the ordinary electric impact wrench is selected. Firstly, it shows that the bolt pre tightening under working conditions requires accurate torque. Therefore, the first thing is to see whether the torque range of this electric torque wrench can meet the operating conditions and the accuracy. If the accuracy is too low, it is impossible to ensure that the bolt pre tightening can reach the preset, that is, it is likely to lead to unqualified pre tightening effect.
其次是转速。很多化工检修现场之所以不少非重 点法兰都选用充电电动扭矩扳手同步紧固的原因就是其虽然精度和扭矩不如液压扳手,但胜在转速快效率高,对于施工进度有很大帮助。所以,在选用充电扭矩扳手时每分钟的转速也是重要指标。
The second is speed. The reason why many non key flanges in many chemical maintenance sites use rechargeable electric torque wrench for synchronous tightening is that although its precision and torque are not as good as hydraulic wrench, it is superior in fast speed and high efficiency, which is very helpful to the construction progress. Therefore, when selecting the charging torque wrench, the speed per minute is also an important index.
再是电池容量与功率。如果说充电扭矩扳手功率小则动力不足,电池容量影响单次充电工作时长,进而也是影响效率,因此也需要对比考量。
Then the battery capacity and power. If the power of the charging torque wrench is small, the power is insufficient, and the battery capacity affects the working time of single charging, which also affects the efficiency, so it also needs to be compared and considered.
还需要对比重量和外形设计是否符合自己工况环境使用。比如,扳手自重过大就不适合高 强度长时间手持作业。工况螺栓空间限 制有些设计就无法使用等。
It is also necessary to compare whether the weight and shape design are in line with their own working environment. For example, if the weight of the wrench is too large, it is not suitable for high-intensity and long-time hand-held operation. Working condition bolt space is limited, some designs can not be used, etc.
还需要注意的是充电扭矩扳手设计是否考虑反作用力和噪音对操作者的影响,检修安装行业从业者长期使用会不会对人臂膀及听力造成影响。
It should also be noted that whether the impact of reaction force and noise on the operator is considered in the design of charging torque wrench, and whether the long-term use of maintenance and installation industry will affect people's arms and hearing.