電動扭剪扳手主要用于鋼結構安裝行業。它們專門用于安裝鋼結構的高強度螺栓。高強度螺栓用于連接鋼結構接頭，通常以螺栓組的形式。高強度螺栓可分為扭剪型和大六角型。標準扭剪高強度螺栓有四種：M16、M20、M22和M24，現在還有兩種非標準M27和M30；國標大六角高強度螺栓為M16、M20、M22、M24、M27、M30等，一般高強度螺栓的擰緊應先擰緊再擰緊，每一步都有嚴格的扭矩要求。
Electric torsion wrench is mainly used in the steel structure installation industry. They are specifically used for installing high-strength bolts in steel structures. High strength bolts are used to connect steel structure joints, usually in the form of bolt sets. High strength bolts can be divided into torsion shear type and large hexagonal type. There are four types of national standard high-strength torsion shear bolts: M16, M20, M22, and M24, and there are now two non national standards M27 and M30; The national standard large hexagonal high-strength bolts are M16, M20, M22, M24, M27, M30, etc. Generally, the tightening of high-strength bolts should be done first and then, with strict torque requirements for each step.
扭剪高強螺栓的初擰可使用沖擊電動扭剪扳手或固定扭矩扳手，終擰須使用扭剪扳手；大六角高強度螺栓的初擰和終擰須使用恒扭矩扳手，因此，各種電動扭剪扳手適用于各種緊固需要。
The initial tightening of high-strength bolts can be done using an impact electric torque wrench or a fixed torque wrench, and the final tightening must be done using a torque wrench; The initial and final tightening of large hexagonal high-strength bolts requires the use of constant torque wrenches, therefore, various electric torque shear wrenches are suitable for various tightening needs.
沖擊式電動扭剪扳手主要用于螺栓的初擰。它的使用非常簡單。只需對準螺栓并拉動電源開關。電動扭剪扳手主要用于擰緊扭剪高強度螺栓。其用途是對準螺栓并拉動電源開關，直到扭剪高強度螺栓的梅花頭斷裂。電動扭矩扳手可先擰緊，后擰緊。其用途是先調整扭矩，然后擰緊螺栓。電動角扳手主要屬于一種恒扭矩扳手。它的用途是先調整旋轉度，然后擰緊螺栓。電動角扳手是專門用于緊固鋼架夾角處螺栓的電動扭剪扳手。其使用原理與電動扭剪扳手相同。
The impact electric torque wrench is mainly used for the initial tightening of bolts. Its use is very simple. Just align the bolts and pull the power switch. The electric torque wrench is mainly used to tighten high-strength bolts for torque cutting. Its purpose is to align the bolt and pull the power switch until the plum blossom head of the high-strength bolt is broken. Electric torque wrenches can be tightened first and then tightened later. Its purpose is to adjust the torque first and then tighten the bolts. Electric angle wrenches mainly belong to a constant torque wrench. Its purpose is to adjust the rotation first and then tighten the bolts. Electric angle wrench is an electric torque wrench specifically used to tighten bolts at the corners of steel frames. Its operating principle is the same as that of an electric torsion wrench.
電動扭矩扳手由主機和控制儀兩部分組成，主機采用雙重緣單相串激式電動機和減速機構，結構新穎、體積小、重量輕、安。由于采用靜扭結構，運轉平穩，無振動、無沖擊，噪音小，操作者不受反矩的影響，因而勞動強度低。額定電壓220V50/60Hz 精度±5%
The electric torque wrench consists of two parts: the host and the control instrument. The host adopts a dual edge single-phase series excitation motor and a reduction mechanism, with a novel structure, small size, light weight, and safety. Due to the use of a static torsion structure, the operation is stable, without vibration or impact, with low noise, and the operator is not affected by reverse torque, resulting in low labor intensity. Rated voltage 220V, 50/60Hz, accuracy ± 5%
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