Welding treatment of saw blade by high frequency induction heating equipment

Saw blades are divided into two types according to working conditions and performance requirements: hand saw blades and machine saw blades. They are mainly used for sawing metal materials, stone materials, synthetic resins, chemical fibers, rubber, leather and asbestos products. During the working process, local heating is caused by friction between the tooth edge and the workpiece to be cut. As a machine saw blade, the cutting speed is relatively high, and the temperature is mostly above 200°C, but it is still required to have high hardness and wear resistance. And good toughness, so the performance of the saw blade is directly related to the selected material. The hand saw blade is made of carbon tool steel, which has the advantages of low price and easy forging and forming. There are also 20 steel carburized, but it has poor wear resistance, high brittleness after overall quenching, and is easy to break during use. defect. In the actual operation process, the basic selection principle for the saw blade is: mainly according to the requirements of sawing, select the corresponding saw teeth (divided into coarse, medium, and fine), that is, coarse teeth are used for sawing mild steel, aluminum, pure copper, and finished products. Layer materials, artificial rubber materials, etc.; medium teeth saw general materials and saw medium hard steel, hard soft metal, brass, thick-walled pipe fittings, thicker steel; fine teeth saw small and thin steel, plates, Thin-walled pipe fittings, cables and hard metals, etc. Therefore, from the service conditions of the saw blade, the saw blade should have the following properties. ①The serrated edge must have high hardness, wear resistance and sharp cutting performance. ②The saw body has good toughness and elasticity. ③The saw blade is subjected to various loads during service and is prone to deformation, so it must have sufficient strength and firmness. So we usually use high-frequency induction heating equipment to weld the saw blade.

The high-frequency induction heating equipment adopts advanced frequency conversion control technology and imported IGBT power devices. The equipment operates reliably and stably, and the temperature rises quickly, which accelerates the melting of solder. The heating speed is fast, the welding is stronger, the heating is uniform, and the welded workpiece is beautiful and beautiful, without any abrupt interface. The whole equipment has an automatic protection function. If the current or voltage is too large during the welding process, the high-frequency induction heating equipment will start the self-protection function and automatically isolate the damaged area. Less power consumption, low energy consumption, no harmful gas during welding, good for the environment. The whole set of welding equipment is easy to operate and improves welding efficiency. It is worth recommending.