扭矩扳手工作原理：是依據(jù)梁的彎曲原理、扭桿的彎曲原理和螺旋彈簧的壓縮原理而設(shè)計(jì)的，能測(cè)量出作用在螺母上的力矩大小。扭矩扳手又叫力矩扳手、扭力扳手、扭矩可調(diào)扳手，是扳手的一種，一般分為三類：手動(dòng)力矩扳手、氣動(dòng)扭力扳手和電動(dòng)力矩扳手。扭矩扳手有一根長(zhǎng)的彈性桿，其一端裝著手柄，另一端裝有方頭或六角頭，在方頭或六角頭上套裝一個(gè)可換的套筒，用鋼珠卡住。在頂端上還裝有一個(gè)長(zhǎng)指針。刻度板固定在柄座上，每格刻度值為1N。
Working principle of torque wrench: it is designed according to the bending principle of beam, the bending principle of torsion bar and the compression principle of coil spring, and can measure the torque acting on the nut. Torque wrench is also called torque wrench, torque wrench and torque adjustable wrench. It is a kind of wrench, which is generally divided into three categories: manual torque wrench, pneumatic torque wrench and electric torque wrench. The torque wrench has a long elastic rod, one end of which is equipped with a handle, and the other end is equipped with a square head or hexagonal head. A replaceable sleeve is sleeved on the square head or hexagonal head, which is clamped with a steel ball. There is also a long pointer on the top. The scale plate is fixed on the handle base, and the scale value of each grid is 1n.
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