扭剪扳手主要是終緊扭剪型高強螺栓的，它的目的就是把扭剪型高強螺栓的梅花頭打斷即可。工作時將扳手頭對準(zhǔn)螺栓頭，扣動開關(guān)即可開始工作，幾秒后，螺栓梅花頭將被扭斷，然后抽出扳手扣動扳機將梅花頭彈出，即結(jié)束工作。
The shear wrench is mainly used to tighten the shear type high-strength bolt. Its purpose is to break the torx head of the shear type high-strength bolt. When working, align the wrench head with the bolt head, and pull the switch to start working. After a few seconds, the bolt box head will be broken, and then pull out the wrench to pull the trigger to pop out the box head, which is the end of the work.
電動扳手主要應(yīng)用于鋼結(jié)構(gòu)安裝行業(yè)，專門安裝鋼結(jié)構(gòu)高強螺栓，高強度螺栓是用來連接鋼結(jié)構(gòu)接點的，通常是用螺栓群的方式出現(xiàn)。高強螺栓可分為扭剪型和大六角型兩種，國標(biāo)扭剪型高強螺栓為M16、M20、M22、M24四種，非國標(biāo)的M27、M30兩種；國標(biāo)大六角高強螺栓為M16、M20、M22、M24、M27、M30等幾種。一般的對于高強螺栓的緊固都要先初緊再終緊，而且每步都需要有嚴(yán)格的扭矩要求。大六角高強螺栓的初緊和終緊都使用定扭矩扳手.故各種電動扳手就是為各種緊固需要而來的。
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, and the 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. 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.
電動扳手的特點：（1）使用壽命長（2）手柄和機殼材料散熱性好（3）功率大（4）耐撞擊性強（5）使用性價比高
Features of electric wrench: (1) long service life (2) good heat dissipation of handle and housing materials (3) high power (4) strong impact resistance (5) high cost performance
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