Electric wrench is a wrench powered by power supply or battery. It is a tool for tightening high-strength bolts, also known as high-strength bolt gun. It is mainly divided into impact wrench, torsion shear wrench, constant torque wrench, angle wrench and angle wrench. So how do we choose products? What should we choose from?

扭力測試儀

Torque tester

扭力測試儀，主要用于檢測樣品的緊固程度以及其樣品某些部件的抗扭性能，以確定樣品是否符合扭力要求。主要檢測瓶裝包裝產(chǎn)品瓶蓋鎖緊、開啟的扭矩值大小，是生產(chǎn)單位離線或在線重 點控制的工藝參數(shù)之一。

Torque tester is mainly used to test the fastening degree of the sample and the torsional performance of some parts of the sample to determine whether the sample meets the torque requirements. It mainly detects the torque value of bottle cap locking and opening of bottled packaging products, which is one of the key process parameters controlled by the production unit offline or online.

推拉力計

Push pull meter

推拉力計，是一種用于推力及拉力測試的力學(xué)測量儀器。推拉力計適用于電子電器、輕工紡織、建筑五金、打火機及點火裝置、消防器材、制筆、制鎖、漁具、動力機械、科研機構(gòu)等行業(yè)的推拉負(fù)荷測試。如：在化妝品行業(yè)中用于頭發(fā)斷裂力的測試;在包裝行業(yè)中用于測量膠帶、薄膜等包裝材料的強度等。推拉力計適用于各種不同用途的測試，如：拉力、壓力、插拔力、裂開力、彎曲力、剝離力、延伸力、硬度、拉開力、拉力強度、破斷力、開關(guān)接點。

Push pull meter is a mechanical measuring instrument used for thrust and tension test. The push-pull meter is applicable to the push-pull load test of electronic and electrical appliances, light industry and textile, construction hardware, lighters and ignition devices, fire fighting equipment, pen making, lock making, fishing gear, power machinery, scientific research institutions and other industries. For example, it is used to test the breaking force of hair in the cosmetics industry; In the packaging industry, it is used to measure the strength of packaging materials such as tape and film. The push-pull tester is suitable for testing for various purposes, such as tensile force, pressure, plug-in force, cracking force, bending force, peeling force, extension force, hardness, pulling force, tensile strength, breaking force and switch contact.

扭力扳手

Torque wrench

扭力扳手又稱扭力計、扭力螺釘旋具。它是依據(jù)梁的彎曲原理、扭桿的扭力扳手彎曲原理和螺旋彈簧的壓縮原理而設(shè)計的，能測量出作用在螺母上的力矩大小。也叫力矩扳手，力矩就是力和距離的乘積，在緊固螺絲螺栓螺母等螺紋緊固件時需要控制施加的力矩大小，以保證螺紋緊固且不于因力矩過大破壞螺紋，所以用扭矩扳手來操作。常用的是手動扭力扳手，除此之外還有電動扭力扳手、風(fēng)動扭力扳手等。

Torque wrench is also called torque meter and torque screw driver. It is designed according to the bending principle of beam, the bending principle of torsion wrench of torsion bar and the compression principle of coil spring. It can measure the torque acting on the nut. It is also called torque wrench. Torque is the product of force and distance. When tightening threaded fasteners such as screws, bolts and nuts, the applied torque needs to be controlled to ensure that the threads are tightened and will not damage the threads due to excessive torque, so it is operated with torque wrench. Manual torque wrench is commonly used. In addition, there are electric torque wrench, pneumatic torque wrench, etc.

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