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电动扳手冲击扳手定扭矩扳手区别

来源:https://www.xjnwz.com日期:2022-10-25 发布人:admin

钮剪型电动扳手冲击扳手定扭矩扳手区别 只有扭剪型电动扳手

Button shear type electric wrench Impact wrench Fixed torque wrench The only difference is the torque shear type electric wrench
定扭矩/扭剪型电动扳手厂家区别
Difference between fixed torque/shear type electric wrench manufacturers
只有扭剪型电动扳手有内套筒。
Only the electric wrench of torsion shear type has an inner sleeve.
冲击扳手适用于普通螺栓,定扭矩扳手适用于高强度螺栓(大陆角型)的初紧与终紧;扭剪扳手适用于高强度螺栓(梅花型)的终紧。
The impact wrench is applicable to ordinary bolts, and the constant torque wrench is applicable to the initial tightening and final tightening of high-strength bolts (continental angle type); The torque wrench is applicable to the final tightening of high-strength bolts (quincunx type).
注:冲击电动扳手的工作效率较高,一般每分钟冲击次数1000次以上。梅花型的高强螺栓的初紧可以用定扭矩电动扳手或冲击扳手,而一般来说大陆角型高强螺栓的施工工艺对初紧的扭矩精度要求较高,需要用相应扭矩的定扭矩扳手来施工。
Note: The working efficiency of electric impact wrench is high, and the number of impacts per minute is generally more than 1000. The fixed torque electric wrench or impact wrench can be used for the initial tightening of the torx type high-strength bolt. Generally speaking, the construction process of the continental angle type high-strength bolt requires high torque accuracy for the initial tightening, and the corresponding torque fixed torque wrench is required for construction.
不需要校验。
No verification is required.
不像定扭矩电动扳手,需要校验扭矩的精度,是否准确,扭剪型电动扳手只是将扭剪型高强螺栓的梅花头打断,既是完成了它的工作目的。
Unlike the constant torque electric wrench, it is necessary to verify the accuracy of the torque. The torsional shear electric wrench only breaks the torx head of the torsional shear high-strength bolt, which is the purpose of its work.
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,而终紧使用扭剪扳手;大六角高强螺栓的初紧和终紧都使用定扭矩扳手.故各种电动扳手就是为各种紧固需要而来的。
Because when using the torsional shear type electric wrench, align the head of the torsional shear type electric wrench with the head of the torsional shear type high-strength bolt, and then pull the switch to start working. After a few seconds, the bolt torx will be broken, and then pull out the wrench to pull the trigger to pop the torx out, which is the end of the work. The electric wrench is mainly used in the steel structure installation industry to install steel structure high-strength bolts. 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 hexagon type. The national standard torsional shear type high strength bolts are M16, M20, M22 and M24. Now there are also two types of non national standard M27 and M30; The national standard large hexagon high-strength bolts include M16, M20, M22, M24, M27, M30, etc. Generally, high-strength bolts shall be tightened first and then finally, and each step requires strict torque requirements. The impact electric wrench or constant torque wrench can be used for the initial tightening of the shear type high-strength bolt, while the shear wrench can be used for the final tightening; Fixed torque wrenches are used for the initial and final tightening of large hexagon high-strength bolts, so various electric wrenches are designed for various tightening needs.
特点:
characteristic:
操作方便、省时省力、方便。
Convenient operation, time-saving and labor saving, safe and convenient.
“定扭矩扳手”
"Constant torque wrench"
定扭矩扳手一般就是可以设定扭矩值的电动扳手,也叫定扭矩电动扳手。电动扭矩扳手一般用来紧固大六角高强螺栓,使用时,先把扭矩调到需要规定的扭矩,然后紧固螺栓。
A constant torque wrench is generally an electric wrench that can set the torque value, also known as a constant torque electric wrench. The electric torque wrench is generally used to tighten the large hexagon high-strength bolts. When using, first adjust the torque to the required torque, and then tighten the bolts.
电动定扭扳手分为电流式和动态扭矩传感器式两种,由控制器和拧紧轴组成。电流式定扭扳手根据电机拧紧过程中电流值的变化来判断扭力值,当达到预定扭力时,电机停止工作。动态扭矩传感器式是在拧紧轴上安装有传感器,时刻监测扭力值的变化,当达到预定扭力时,电机停止工作。
Electric constant torque wrenches are divided into current type and dynamic torque sensor type, which are composed of controller and tightening shaft. The current type constant torque wrench judges the torque value according to the change of current value during the motor tightening process. When the predetermined torque is reached, the motor stops working. The dynamic torque sensor type is equipped with a sensor on the tightening shaft to monitor the change of torque value at all times. When the predetermined torque is reached, the motor stops working.
电动扭矩扳手具有精度高(±2%)、故障率低、寿命长、可编程,可对扭力和角度控制、可多种扭力选择的优点。因为拧大扭矩螺栓会有反作用力,所以一般在大扭矩拧紧工件上都会设计反作用力臂,防 止操作人员出现事故。
The electric torque wrench has the advantages of high accuracy (± 2%), low failure rate, long service life, programmable, torque and angle control, and multiple torque options. Because there will be reaction force when the torque bolt is tightened, reaction arm is generally designed on the workpiece tightened with high torque to prevent operators from safety accidents.