Quenching is a necessary process for casting steel for external use, and the super audio frequency quenching furnace is particularly important. So which is hard, high frequency quenching or medium audio quenching? Where to buy super audio quenching furnace in China is better, service and after-sales are better What? Ultra-frequency quenching furnace What is high-frequency quenching? Kehua Induction Heating Equipment
high-frequency quenching is mostly used for surface quenching of industrial metal parts. It is a metal heat treatment method that generates a certain induced current on the surface of the workpiece, rapidly heats the surface of the part, and then rapidly quenches it. Induction heating equipment, that is, equipment for induction heating of workpieces for surface quenching. The principle of induction heating: the workpiece is placed in the inductor, and the inductor is generally a hollow copper tube inputting intermediate frequency or high frequency alternating current (1000-300000Hz or higher). The alternating magnetic field generates an induced current of the same frequency in the workpiece. The distribution of this induced current in the workpiece is uneven, it is strong on the surface, but very weak in the interior, and it is close to 0 in the center. This skin effect is used. , the surface of the workpiece can be heated rapidly, the surface temperature rises to 800-1000 ℃ in a few seconds, and the temperature of the core part is very small. Ultra-frequency quenching furnace Which hard is high-frequency quenching and medium-frequency quenching? Kehua Induction Heating Equipment high-frequency quenching and intermediate-frequency quenching have the same effect on the hardness of the workpiece. The difference is that the high-frequency is mainly for those workpieces with shallower layers, while the intermediate-frequency is for workpieces with a slightly deeper layer depth. The hardness of the workpiece depends on the cooling method after the workpiece is heated to a certain quenching temperature. The faster the cooling speed, the higher the hardness of the structure. Let's talk about the connection between the depth and frequency of the products processed by high-frequency quenching equipment. Since it is the equipment used for surface heat treatment, the quenched hard layer of the workpiece will also have depth requirements and control. How to control the quenched hard layer is a technical process that must be understood in high-frequency surface heat treatment. The effective heating depth of high-frequency quenching equipment in the process of processing products is also the effective quenching hard layer. The heating penetration layer is determined according to the frequency and time of the high frequency. The higher the frequency, the shallower the quenching hard layer and the lower the frequency. The deeper the quenched hard layer is, the general frequency above 100KHZ is called high-frequency quenching equipment, and the quenched hard layer is generally between 0.5-0.8MM; The layer is between 0.8-1.5mm; the frequency is 15-35KHZ, we call it super audio quenching equipment, and the hardened layer is between 2-3mm; the frequency is 1-8khz, we call it intermediate frequency quenching equipment, quenching hard The layer is between 4-6mm; the frequency below 1khz is called power frequency quenching equipment, and the quenched hard layer is between 7-8mm; during the heat treatment process, we will encounter various surface heat treatment processes required , While the hardness is required, the hard layer will also be required, because some products need not only hardness but also willfulness, which is what we call mechanical properties. If a shaft with a diameter of 12mm is processed by intermediate frequency quenching equipment, the whole The shaft will be hardened, the performance will become brittle, and it is easy to break during use. In this case, we should choose high-frequency high-frequency quenching equipment for surface quenching, so as to ensure that colleagues with surface hardness get The best mechanical properties. Ultra-audio quenching furnace Which super-audio quenching furnace is of good quality? There are many domestic manufacturers of ultra-audio quenching furnaces. If you have one near you and have a good reputation, you can buy it from nearby. If not, you need to buy it from other areas. You can take a look at Zhengzhou Gao's electromagnetic equipment. They have been in this industry for a long time. I bought the equipment from his home, and the after-sales service is very thoughtful. Although it is far away from them, if there is a problem, they will help me solve it in time. The above is the relevant information about which super audio quenching furnace is good, and which is hard for high frequency quenching and medium audio quenching is also explained for you. Before purchasing a super audio quenching furnace, you need to know more about it, and then choose the one that suits you. equipment.
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