A wrench is a common hand tool in our daily life. It mainly uses the principle of leverage to twist bolts, nuts and other mechanical parts with threads. Wrenches are generally provided with openings or sleeve holes at one or both ends to hold bolts. And nuts, when in use, an external force is applied to the handle along the direction of thread rotation, and the bolts or nuts can be twisted. The material of the wrench is generally carbon steel and a small amount of chromium vanadium steel. During its manufacturing process, it needs to be subjected to certain heat treatment process.
Carrying out diathermy heat treatment on the wrench is a necessary heat treatment step before forging and forming. The diathermy heat treatment of the wrench needs to be heated as a whole to change its internal structure, soften it and prepare the structure for subsequent forging and pressing. Carry out diathermy heat treatment on the wrench, and the effect of using high-frequency induction heating equipment is good.
Our high-frequency induction heating equipment has a wide frequency range and adjustable output power. The equipment adopts the principle of induction heating, which can heat the wrench without contact. A very strong alternating magnetic field is generated, the metal with its own resistance is put into the induction coil, and an eddy current is generated on the surface of the metal, so that the temperature of the surface rises rapidly, and the wrench can be heated to red in a short period of time. The process is green and safe, not prone to oxidation and decarburization, uniform temperature distribution, and small deformation.
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