The working principle of torque wrench testers

torque wrench testers card tower sound principle is very simple, can be divided into the following steps to understand: 1, the torque wrench in a "tower" sound of prompting has reached after you claim on the torque value;

2, "tower card" is issued by a torque wrench by itself of the internal structure of torque to release them to release the joint structure is divided into spring pressure, torque, torque of plunger, three structure.

3, first on the torque wrench set the required torque value, locking 100ton hydraulic jacks, began to tighten the bolt. After when the bolt to the torque value, can produce effect disconnect to the moment. At the moment have a disconnect effect issued a joint percussion, wrench metal case of "tower" sound. From this reminder to confirm to the torque value.