The hydraulic torque wrench is a tool used to tighten bolts and nuts. It uses the hydraulic principle to achieve precise torque control. The following is the working principle of the hydraulic torque wrench:
Hydraulic system: Hydraulic torque wrench has a built-in hydraulic system, usually including a hydraulic pump, hydraulic cylinder and hydraulic control valve.
Set torque: Before using the hydraulic torque wrench, it is necessary to set the torque value according to the bolt specifications and requirements.
Apply torque: When the hydraulic torque wrench is connected to the bolt head, the hydraulic pump will deliver hydraulic fluid to the hydraulic cylinder, so that the piston in the hydraulic cylinder is moved, and the torque is applied to the bolt.
Reach the set torque: When the hydraulic cylinder is acted on by the hydraulic fluid, the piston will push outward until the preset torque value is reached.
Automatic cut-off: Once the set torque value is reached, the hydraulic system automatically cuts off the supply of hydraulic fluid and stops applying torque to avoid excessive tightening.
In general, the hydraulic torque wrench through the hydraulic system to achieve accurate torque control, is an efficient, accurate tool, widely used in machinery manufacturing, automobile maintenance and other fields.
