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Application and use of electric wrench

by:WORKSITE     2020-06-06
? Classification of electric wrenches: An electric wrench is a wrench powered by a power source or a battery. It is a tool for tightening bolts. Mainly divided into impact wrench, torsion shear wrench, fixed torque wrench, corner wrench, angle wrench, hydraulic wrench, torque wrench, rechargeable electric wrench. Application of electric wrench: Electric wrenches are mainly used in the steel structure installation industry. They are specially used to install high-strength steel structure bolts. High-strength bolts are used to connect steel structure contacts, usually in the form of bolt groups. High-strength bolts can be divided into two types: torsion-shear type and large hexagon type. The national standard torsion-shear type high-strength bolts are M16, M20, M22, and M24. There are also non-national standards M27 and M30; the national standard large hexagon high-strength bolts are M16 , M20, M22, M24, M27, M30, etc. Generally, the tightening of high-strength bolts should be tightened first and then tightened, and each step requires strict torque requirements. The initial tightening of torsional shear type high-strength bolts can use impact electric wrenches or fixed torque wrenches, and the final tightening must use torsional shear wrenches; the initial and final tightening of large hexagon high-strength bolts must use constant torque wrenches. Comes for various fastening needs. Use of electric wrench: Impact electric wrenches are mainly for initial tightening of bolts. Its use is very simple, just align the bolts and pull the power switch. The electric torsion shear wrench is mainly for tightening the torsion shear type high strength bolt. Its use is to align the bolt and pull the power switch until the torx head of the torsion shear type high strength bolt is interrupted. The electric fixed 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 corner wrench is also a kind of fixed torque wrench. Its use is to adjust the degree of rotation first, and then tighten the bolt. The electric angle wrench is a kind of electric wrench specially used to fasten the bolts at the angle part of the steel frame. Its use is the same as the principle of the electric torsion shear wrench.
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