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电动扳手的使用应该注意哪些?

来源:http://www.cbsxcly.com 日期:2020-05-28 发布人:admin

电动扳手就是以电源或电池为动力的扳手,是一种拧紧螺栓的工具。主要分为冲击扳手、扭剪扳手、定扭矩扳手、转角扳手、角向扳手、液压扳手、扭力扳手、充电式电动扳手。

Electric spanner is a spanner powered by power or battery. It is a tool for tightening bolts. It is mainly divided into impact wrench, torque wrench, constant torque wrench, angle wrench, angle wrench, hydraulic wrench, torque wrench and charging electric wrench.
电动扳手的应用:
Application of electric wrench:
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,而终紧必须使用扭剪扳手;大六角高强螺栓的初紧和终紧都必须使用定扭矩扳手.故各种电动扳手就是为各种紧固需要而来的。
The electric wrench is mainly used in the steel structure installation industry, which is specialized in the installation of high-strength bolts of steel structure. High strength bolts can be divided into two types: torsional shear type and large hexagon type. There are four types of national standards: M16, M20, M22 and M24. Now there are two kinds of non-national standards: M27 and M30. The national standards are M16, M20, M22, M24, M27 and M30. Generally, for the fastening of high-strength bolts, the initial tightening and then the final tightening are required, and strict torque requirements are required for each step. The impact electric wrench or constant torque wrench can be used for the initial tightening of high-strength bolt of torsional shear type, while the torsional shear wrench must be used for the final tightening; the constant torque wrench must be used for the initial tightening and final tightening of large hexagon high-strength bolt, so all kinds of electric wrenches are for various tightening needs.
电动扭矩扳手
电动扳手的使用:
Use of electric wrench:
冲击电动扳手主要是初紧螺栓的,它的使用很简单,就是对准螺栓扳动电源开关就行。电动扭剪扳手主要是终紧扭剪型高强螺栓的,它的使用就是对准螺栓扳动电源开关,直到把扭剪型高强螺栓的梅花头打断为止。电动定扭矩扳手既可初紧又可终紧,它的使用是先调节扭矩,再紧固螺栓。电动转角扳手主要也属于定扭矩扳手的一种,它的使用是先调节旋转度数,再紧固螺栓。电动角向扳手是一种专门紧固钢架夹角部位螺栓的电动扳手,它的使用和电动扭剪扳手原理一样。
The impact electric wrench is mainly used to tighten the bolt initially. Its use is very simple, that is to align the bolt and pull the power switch. The electric torque wrench is mainly used to tighten the torque shear type high-strength bolt. Its use is to align the bolt and pull the power switch until the plum head of the torque shear type high-strength bolt is interrupted. The electric constant torque wrench can be used for initial tightening and final tightening. Its use is to adjust the torque first and then tighten the bolts. The electric angle wrench is also a kind of constant torque wrench. Its use is to adjust the rotation degree first, and then fasten the bolts. The electric angle wrench is a kind of electric wrench specially used to fasten the bolts in the angle part of the steel frame. Its use is the same as the principle of the electric torsional shear wrench.
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