預制式扭力扳手的外殼用特質合金鋼材料制造，有預置扭矩數值和發(fā)訊裝置，當緊固件的擰緊力扭矩達到預置數值時，能自動發(fā)出訊號“嗒”的一聲，同時伴有明顯的手感震動，解除作用力后，扳手各相關零件自動復位。設備還具有扭力準確，性能穩(wěn)定，調校方便，壽命長等特點，適用于螺紋緊固扭矩的準確裝配和控制，是保證和提高產品質量的工具。

The shell of the prefabricated torque wrench is made of special alloy steel material and has a preset torque value and a sending device. When the tightening torque of the fastener reaches the preset value, it can automatically send a signal "click", accompanied by obvious hand vibration. After the force is released, all relevant parts of the wrench will automatically reset. The equipment also has the characteristics of accurate torque, stable performance, convenient adjustment and long service life. It is suitable for accurate assembly and control of thread tightening torque and is a tool to ensure and improve product quality.

預制式扭力扳手操作方法：

Operation method of prefabricated torque wrench:

1、要根據測量工件的要求，選取適中量程，所測扭力值不可小于扭力器在使用中量程的百分之二十，太大的量程不宜用于小扭力部品的加固，小量程的更不可以超量程使用。

1. First, according to the requirements of measuring workpiece, select a proper range. The measured torque value shall not be less than 20% of the range of the torsion device in use. Too large range is not suitable for the reinforcement of small torsion parts, and the small range can not be used beyond the range.

2、使用時，先將扳手方榫連接好輔助配件(如各類批嘴、套筒)，確保連接已經沒問題。在加固扭力之前，設定好需要加固的力值，并鎖好緊鎖裝置，調整好方向轉換鈕到加力的方向，然后在使用時先快速連續(xù)操作4-5次，使扳手內部組件上特殊潤滑劑能充分潤滑，使更準確，使用。

2. When using, first connect the square tenon of the wrench with auxiliary accessories (such as various types of nozzles and sockets) to ensure that the connection has no problem. Before reinforcing the torque, set the force value to be reinforced, lock the locking device, adjust the direction switch button to the direction of force application, and then quickly and continuously operate it for 4-5 times during use, so that the special lubricant on the internal components of the wrench can be fully lubricated and more accurate for use.

3、測量時，手要把握住把手的，沿垂直于扭力扳手殼體方向，慢慢地加力，直聽到扭力扳手發(fā)出“塔”的聲音，此時扭力扳手已到達預置扭力值，工件已加力完畢，然后應及時解除作用力，以免損壞另部件。在施力過程中，按照標準儀器操作規(guī)范，其垂直度偏差左右不應超過10度。其水平方向上下偏差不應超過3度，操作人員在使用過程中應保證其上下左右施力范圍均不超過15度；

3. During measurement, hold the handle and slowly apply force in the direction perpendicular to the shell of the torque wrench until the "tower" sound of the torque wrench is heard. At this time, the torque wrench has reached the preset torque value and the workpiece has been applied with force. Then, release the force in time to avoid damaging other parts. In the process of applying force, according to the national standard instrument operation specification, the verticality deviation shall not exceed 10 degrees. The vertical deviation in the horizontal direction shall not exceed 3 degrees, and the operator shall ensure that the upper, lower, left and right force ranges do not exceed 15 degrees during use;

4、為了不使測量結果因水平和垂直方向上的偏差而產生影響，在測量時，應在加力把持端上施加一個垂直向下的穩(wěn)定力值，然后再手動加點力，這樣操作可以讓讀數值更準確。

4. In order to prevent the measurement results from being affected by the deviation in the horizontal and vertical directions, during the measurement, a vertical downward stable force value shall be applied to the force applying holding end, and then a point of force shall be manually added. This operation can make the reading value more accurate.

5、讀數：如果是帶表扭力儀器，直接讀取指針所指示的數據為測量數據值即可；如果是套筒加副刻度指示器，應先讀取主刻度上的刻度值，再加上副刻度或微分筒上的刻度值之和為測量數據值。

5. Reading: if it is a torsion instrument with a meter, directly read the data indicated by the pointer as the measured data value; In case of sleeve plus sub scale indicator, the scale value on the main scale shall be read first, and then the sum of the scale value on the sub scale or the differential cylinder shall be the measured data value.

6、預置式扭力扳手是測量工具，應輕拿輕放，不能代替榔頭進行敲打等不正當行為，不用時請注意將扭力設為較小值，存放在干燥處。扭力扳手應用范圍較廣，在加固扭力時，相對來講比較簡單，只需要設定其要求扭力值便可進行操作。

6. The preset torque wrench is a measuring tool and should be handled with care. It can not replace the hammer for knocking and other improper acts. When not in use, please set the torque to a small value and store it in a dry place. The torque wrench has a wide range of applications. It is relatively simple to reinforce the torque. It can be operated only by setting the required torque value.

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