扭矩扳手的使用整个流程很简单：设定好一个需要的扭矩值上限当施加的扭矩达到设定值时扳手会发出“卡塔”声响这就代表已经紧固不要再加力了。
The entire process of using a torque wrench is simple: set a required upper limit for the torque value. When the applied torque reaches the set value, the wrench will make a "click" sound, indicating that it has been tightened and no more force should be applied.
计算需要的扭矩值这里以高强度螺栓为例：
Calculate the required torque value using high-strength bolts as an example:
终拧扭矩值=扭矩系数*预拉力值标准值*螺栓公称直径
Final tightening torque value=torque coefficient * standard value of pre tension force * nominal diameter of bolt
设定好一个需要的扭矩值。操作如下：
Set a desired torque value. The operation is as follows:
调节完后中间竖杆可塞回。
After adjustment, the middle vertical rod can be inserted back.
设定扭矩后将套筒插入方形驱动头。
Insert the sleeve into the square drive head after setting the torque.
通过调整卡子的位置来调节顺/逆时针旋转方向。
Adjust the clockwise/counterclockwise rotation direction by adjusting the position of the clip.
将套筒套在螺栓头部或螺母上本示例是套在螺帽上。
Place the sleeve on the bolt head or nut. In this example, it is placed on the nut.
在扭紧的有时候螺帽和螺母会同时转动需要用一个扳手卡紧螺母之后顺时针转动扭矩扳手再对螺帽进行紧固。
Sometimes when tightening, the nut and nut will rotate simultaneously. It is necessary to use a wrench to tighten the nut and then turn the torque wrench clockwise to tighten the nut.
在施力过程中按照国家标准仪器操作规范其垂直度偏差左右不应超过10度。其水平方向上下偏差不应超过3度操作人员在使用过程中应保证其上下左右施力范围均不超过15度。
During the application of force, the verticality deviation should not exceed 10 degrees according to the national standard instrument operation specifications. The horizontal deviation should not exceed 3 degrees. The operator should ensure that the range of force application from top, bottom, left, and right does not exceed 15 degrees during use.
听到“咔嗒”声后紧固结束然后应及时解除作用力。
After hearing the "click" sound, the tightening should be completed and the force should be released in a timely manner.
扳手是测量工具应轻拿轻放不能代替榔头敲打如长期不用调节标尺刻线退至扭小数值处有利于保证扭矩的精度。
Wrenches are measuring tools that should be handled with care and should not be used as a substitute for hammers. If not adjusted for a long time, it is beneficial to retract the scale line to the minimum torque value to ensure torque accuracy.
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