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Cases
Classification of Induction Furnace
Induction Furnace according to the frequency of power can be divided into high-frequency furnace, boiler and IF frequency furnace three categories; according to the purpose of the process can be divided into the melting furnace, furnace, heat treatment equipment and welding equipment; their structure, mode of transmission can also be Classification. Commonly used induction furnace used to be summed up in the induction melting furnace, no induction melting furnace, vacuum induction melting furnace, induction hardening in the first heat sensing equipment and facilities.
1. Induction melting furnace
Want to have the furnace through the induction coil and the core of its name, due to the heat source is surrounded by a metal trench, it is also known as the furnace trough. Heart-slotted furnace can be divided into two types of trough and closed, slotted type has been eliminated and now want the furnace closed for more than trough. Heart of the main furnace for copper, aluminum, zinc, and other non-ferrous metals and alloys used for melting iron, as well as insulation and thermal insulation, and so on. The furnace has a fast heating, electricity, high thermal efficiency, high power factor, a small metal burning, melting low-cost, less investment in equipment (for no furnace 1 / 2 ~ 1 / 3), a series of advantages such as easy to use. However, when the furnace should have started from the melt, there from oven and metal species difficult to change, it applies only to a single variety and volume of metal smelting and thermal insulation in a row.
2. No induction melting furnace
No furnace is relatively want to rename the furnace, the liquid metal sung in a crucible, it is also known as crucible furnace. Such furnace for special steel, cast iron, nonferrous metals and alloys and melting insulation. No melting furnace with a high temperature, low contamination, uniform alloy components, good working conditions and many other advantages. Compared with the furnace heart, no furnace and the furnace to change from metal varieties easier to use more flexible, but the electricity, heat efficiency of the furnace lower than the heart. No stove because of low surface temperature is not conducive to the requirements of high-temperature smelting slag making process.
There are no high-frequency furnace, the frequency and frequency division.
(1) no high-frequency furnace
No ordinary high-frequency furnace capacity of 50 kg for laboratory and small-scale production of special steel for the smelting and special alloys.
(2) IF no furnace
IF no furnace capacity and power than the large high-frequency furnace. For special steel, magnetic alloy and copper alloy smelting and so on. This stove because of the need expensive equipment, frequency conversion, so in a number of occasions, has a greater capacity to switch to no-frequency furnace. However, the frequency and the furnace, furnace-IF has its unique feature. If the same capacity for the stove, oven frequency of the input power than the frequency furnace, so melting faster, IF furnace in the cold from melting furnace when the furnace does not need starting blocks, metal liquid can be poured, and so on, so when the use of more than Frequency furnace flexibility; In addition, the frequency melting furnace solution to the crucible washed some light on favorable lining. As a result, in the development of high-power low-cost power frequency, intermediate frequency furnace or promising.
(3) no-frequency furnace
No-frequency furnace is no furnace in several emerging at the latest and fastest-growing. For cast iron and steel, especially high-strength alloy cast iron and cast iron and cast iron melting temperature of the solution, such as insulation and adjust the ingredients; also for copper, aluminum smelting of nonferrous metals and alloys. The capacity of small stove used frequency of the economy, not to cast iron, for example, when the capacity is less than 750 kg on the efficiency of electricity dropped significantly.
3. Vacuum induction melting furnace
Vacuum induction melting furnace for melting heat-resistant alloys, magnetic alloys, electrical and high-strength alloy steel and so on. The furnace is characterized in the process of melting temperature, vacuum and the melting time of relatively easy to control, the burden of degassing can be full. In addition, the alloy material can also add precision control, it is melting aluminum, titanium, and other active elements of the heat-resistant alloy and alloy precision of a more suitable stove.
In addition to the above-mentioned induction melting furnace has the advantage of the general electric metallurgy, such as easy-to-be caused by the atmosphere, to facilitate the norms regulating the temperature, reduce the burning metal to ensure the quality of castings, increase productivity and reduce labor intensity, yet fluid as a result of metal produced EMS, to ensure that the alloy composition of the uniform.
4. Induction Hardening facilities
Induction Hardening of the main equipment from power, quenching control equipment (including sensors) and quenching machine consists of three parts. Induction hardening is a modern machine-building industry as a major method of hardening the surface, with good quality, speed, less oxidized low cost, good working conditions and ease of mechanization and automation, such as a series of advantages. According to the workpiece and the size of the hardened layer of depth to determine the appropriate frequency and power supply (can be frequency, medium frequency and high frequency). Sensor shape and size depends largely on the workpiece shape and hardening process. Quenching machine also work with the size, shape and the hardening process requirements of the diverse. The bulk of the production of parts, especially in the automated production line, the use of special tools. In general, small factories, as the multi-volume work, and a small number of more general use of quenching machine.
5. Induction heat equipment
Induction heat through the main equipment for metal materials in the forging, stamping, extrusion, rolling, and other hot-working pre-heating it so that the whole work processes to achieve both inside and outside temperature requirements. Such equipment from the main power supply (commonly used frequency or frequency), through thermal control equipment, induction furnace and the upper and lower body, such as composition of the material. With a variety of other methods of heating, induction heating method has many advantages. First of all, is due to the heat in the heat of the material produced in-house, so heating rate can be raised very high, and at the same time, heating conditions, the radial temperature difference is relatively small, the workpiece is heated there is not significant deformation. Second, because the heating speed, so even in the heat inside the atmosphere, surface oxidation and removal of the very few (such as forging billet heating, for example, to use methods of induction heating, steel oxidation loss of control in the 0.05 to 0.5% , And the burning furnace heat, oxidation damage in general to reach 2.5 to 3.0%), the induction furnace in general do not need the protection of gas. Induction furnace on the main body of only one sensor, such as burning stoves do not need to have the furnace as a complex pipeline system, do not need burning stove, heater resistance as there are thick wall heaters, they are able to organize in a very compact Production lines, even in combination of other processing machinery. In addition, in the course of their work, such as burning stoves will not have a gas furnace or the protection of the resistance of the kind of furnace oil pollution or harmful gases in the furnace was not as big around the radiant heat, working conditions are much better than the other stoves. For these reasons, the induction heat method has been through a lot.
1. Induction melting furnace
Want to have the furnace through the induction coil and the core of its name, due to the heat source is surrounded by a metal trench, it is also known as the furnace trough. Heart-slotted furnace can be divided into two types of trough and closed, slotted type has been eliminated and now want the furnace closed for more than trough. Heart of the main furnace for copper, aluminum, zinc, and other non-ferrous metals and alloys used for melting iron, as well as insulation and thermal insulation, and so on. The furnace has a fast heating, electricity, high thermal efficiency, high power factor, a small metal burning, melting low-cost, less investment in equipment (for no furnace 1 / 2 ~ 1 / 3), a series of advantages such as easy to use. However, when the furnace should have started from the melt, there from oven and metal species difficult to change, it applies only to a single variety and volume of metal smelting and thermal insulation in a row.
2. No induction melting furnace
No furnace is relatively want to rename the furnace, the liquid metal sung in a crucible, it is also known as crucible furnace. Such furnace for special steel, cast iron, nonferrous metals and alloys and melting insulation. No melting furnace with a high temperature, low contamination, uniform alloy components, good working conditions and many other advantages. Compared with the furnace heart, no furnace and the furnace to change from metal varieties easier to use more flexible, but the electricity, heat efficiency of the furnace lower than the heart. No stove because of low surface temperature is not conducive to the requirements of high-temperature smelting slag making process.
There are no high-frequency furnace, the frequency and frequency division.
(1) no high-frequency furnace
No ordinary high-frequency furnace capacity of 50 kg for laboratory and small-scale production of special steel for the smelting and special alloys.
(2) IF no furnace
IF no furnace capacity and power than the large high-frequency furnace. For special steel, magnetic alloy and copper alloy smelting and so on. This stove because of the need expensive equipment, frequency conversion, so in a number of occasions, has a greater capacity to switch to no-frequency furnace. However, the frequency and the furnace, furnace-IF has its unique feature. If the same capacity for the stove, oven frequency of the input power than the frequency furnace, so melting faster, IF furnace in the cold from melting furnace when the furnace does not need starting blocks, metal liquid can be poured, and so on, so when the use of more than Frequency furnace flexibility; In addition, the frequency melting furnace solution to the crucible washed some light on favorable lining. As a result, in the development of high-power low-cost power frequency, intermediate frequency furnace or promising.
(3) no-frequency furnace
No-frequency furnace is no furnace in several emerging at the latest and fastest-growing. For cast iron and steel, especially high-strength alloy cast iron and cast iron and cast iron melting temperature of the solution, such as insulation and adjust the ingredients; also for copper, aluminum smelting of nonferrous metals and alloys. The capacity of small stove used frequency of the economy, not to cast iron, for example, when the capacity is less than 750 kg on the efficiency of electricity dropped significantly.
3. Vacuum induction melting furnace
Vacuum induction melting furnace for melting heat-resistant alloys, magnetic alloys, electrical and high-strength alloy steel and so on. The furnace is characterized in the process of melting temperature, vacuum and the melting time of relatively easy to control, the burden of degassing can be full. In addition, the alloy material can also add precision control, it is melting aluminum, titanium, and other active elements of the heat-resistant alloy and alloy precision of a more suitable stove.
In addition to the above-mentioned induction melting furnace has the advantage of the general electric metallurgy, such as easy-to-be caused by the atmosphere, to facilitate the norms regulating the temperature, reduce the burning metal to ensure the quality of castings, increase productivity and reduce labor intensity, yet fluid as a result of metal produced EMS, to ensure that the alloy composition of the uniform.
4. Induction Hardening facilities
Induction Hardening of the main equipment from power, quenching control equipment (including sensors) and quenching machine consists of three parts. Induction hardening is a modern machine-building industry as a major method of hardening the surface, with good quality, speed, less oxidized low cost, good working conditions and ease of mechanization and automation, such as a series of advantages. According to the workpiece and the size of the hardened layer of depth to determine the appropriate frequency and power supply (can be frequency, medium frequency and high frequency). Sensor shape and size depends largely on the workpiece shape and hardening process. Quenching machine also work with the size, shape and the hardening process requirements of the diverse. The bulk of the production of parts, especially in the automated production line, the use of special tools. In general, small factories, as the multi-volume work, and a small number of more general use of quenching machine.
5. Induction heat equipment
Induction heat through the main equipment for metal materials in the forging, stamping, extrusion, rolling, and other hot-working pre-heating it so that the whole work processes to achieve both inside and outside temperature requirements. Such equipment from the main power supply (commonly used frequency or frequency), through thermal control equipment, induction furnace and the upper and lower body, such as composition of the material. With a variety of other methods of heating, induction heating method has many advantages. First of all, is due to the heat in the heat of the material produced in-house, so heating rate can be raised very high, and at the same time, heating conditions, the radial temperature difference is relatively small, the workpiece is heated there is not significant deformation. Second, because the heating speed, so even in the heat inside the atmosphere, surface oxidation and removal of the very few (such as forging billet heating, for example, to use methods of induction heating, steel oxidation loss of control in the 0.05 to 0.5% , And the burning furnace heat, oxidation damage in general to reach 2.5 to 3.0%), the induction furnace in general do not need the protection of gas. Induction furnace on the main body of only one sensor, such as burning stoves do not need to have the furnace as a complex pipeline system, do not need burning stove, heater resistance as there are thick wall heaters, they are able to organize in a very compact Production lines, even in combination of other processing machinery. In addition, in the course of their work, such as burning stoves will not have a gas furnace or the protection of the resistance of the kind of furnace oil pollution or harmful gases in the furnace was not as big around the radiant heat, working conditions are much better than the other stoves. For these reasons, the induction heat method has been through a lot.