CN107974651B - Online rotary induction annealing method and equipment for copper-aluminum composite round bar - Google Patents
Online rotary induction annealing method and equipment for copper-aluminum composite round bar Download PDFInfo
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- CN107974651B CN107974651B CN201711400657.7A CN201711400657A CN107974651B CN 107974651 B CN107974651 B CN 107974651B CN 201711400657 A CN201711400657 A CN 201711400657A CN 107974651 B CN107974651 B CN 107974651B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides an online rotary induction annealing method and equipment for a copper-aluminum composite round bar, which comprises the following steps: straightening; selecting a proper induction coil; adjusting the center line, namely adjusting the positions of the induction coil, the guide sleeve, the photoelectric sensor and the pressing roller according to the diameter of the incoming material wire to ensure that the center lines are consistent, ensuring that the material can smoothly pass through induction annealing, and automatically and accurately transmitting a PLC (programmable logic controller) instruction; feeding, namely placing the straightened copper-aluminum composite round bar on a feeding table, and controlling a robot arm to complete feeding through a PLC (programmable logic controller) instruction; setting process parameters; annealing, starting a power supply to finish the online rotary induction annealing of the copper-aluminum composite round bar; and (5) unloading, packaging and annealing. The process route designed by the invention has high process feasibility and product stability, the quality of the product after heat treatment is stable, and the metallographic experimental structure observation shows that the metallographic structure of the heat treatment meets the design technical requirements, thereby greatly improving the product yield.
Description
Technical Field
The invention belongs to the field of machinery, and particularly relates to an online rotary induction annealing method and equipment for a copper-aluminum composite round bar.
Background
Copper and aluminum are good conductor materials and have very wide application in the fields of electric power, electronics, electric appliances and the like. The copper content in the crust of the earth is 0.01 percent, and with the continuous shortage of copper resources, the guideline of saving copper by aluminum is advocated in the sixth and seventies of the last century. The copper-aluminum bimetal composite material not only has the advantages of good electric and thermal conductivity of copper material, but also has the advantages of light weight, corrosion resistance, attractive appearance, economy and the like of aluminum material. The processing method of the copper-aluminum composite material is various, the copper-aluminum composite material is used as a transition connection hardware fitting of an electric power system, DL/T346 standard is stipulated, the connection of copper and aluminum can adopt welding modes such as friction welding, flash welding, brazing, explosive welding and the like or copper-aluminum composite materialThe composite sheet is plated. Copper-aluminum compounding is dissimilar material connection, and copper and aluminum have various intermetallic compounds such as Cu in the solid state according to a copper-aluminum binary phase diagram 2 Al、CuAl、Cu 9 Al 4 And the intermetallic compound generated in the welding process has influence on the mechanical property and the conductivity of the joint.
The copper-aluminum composite round bar product is still blank in the domestic power transmission, transformation and distribution field, and has huge market space and non-substitutability in the electric fields of high voltage, extra-high voltage, ring main units and the like in recent years; the copper-aluminum transition connecting terminal developed by the product has absolute performance advantages, and comprehensively solves the problem of safe service caused by large contact resistance between copper and aluminum in the copper-aluminum switching part in the field of electric power fittings. The copper-aluminum transition wiring terminal is commonly used for cable end connection and splicing, can ensure that the connection of a cable and an electric appliance is firmer and safer, and is an essential component in the electrical engineering fields of construction, metallurgy, chemical industry, power equipment, electric appliance connection and the like.
The copper-aluminum composite round bar is popular in the market as a newly developed product in the practical conversion and application process of the copper-aluminum transition connecting terminal, but the heat treatment annealing of the copper-aluminum composite round bar is the key for restricting the technology at present. The traditional copper-aluminum composite bar is mainly subjected to pot annealing, but because the pot annealing is long in heat preservation time, copper crystal grains slowly grow up in the long-time heat preservation process, the copper crystal grains are easy to crack in the subsequent flattening process, the rejection rate is high, and the economic loss is high. The production period of the product is prolonged by long-time heating and heat preservation; in addition, there is a patent of invention for annealing copper-aluminum composite material by high-frequency induction quenching technology, such as high-frequency induction annealing device and process for adjusting and controlling the performance of copper-clad aluminum composite flat bar, which are subjects of schwann new professor of Beijing university of science and technology, but the device is easy to anneal non-uniform phenomenon for copper-aluminum composite round bar, the part close to the coil is easy to overheat to make the copper layer tissue too large, and the part far away from the coil is not heated enough to have annealing effect.
Disclosure of Invention
The invention provides an online rotary induction annealing method and equipment for a copper-aluminum composite round bar, aiming at solving the problems.
The technical scheme of the invention is realized as follows: an online rotary induction annealing method for a copper-aluminum composite round bar comprises the following steps:
the first step is as follows: straightening, namely straightening the copper-aluminum composite round bar by a special 10-roller hyperbolic straightener, wherein the straightening precision is 0.1-0.15 mm;
the second step: selecting a proper induction coil, wherein the diameter of the copper-aluminum composite round bar is between phi 9 and phi 40mm, and the diameter of the copper-aluminum composite round bar is between phi 9 and phi 16mm, and the inner diameter of the induction coil is 25 mm; an induction coil with the diameter of phi 16-phi 24mm and the inner diameter of phi 32mm is used; an induction coil with the diameter of phi 24-phi 32mm and the inner diameter of phi 40mm is used; an induction coil with the diameter phi of 48mm is used, and the diameter phi of the induction coil is 32-40 mm;
the third step: adjusting the center line, namely adjusting the positions of the induction coil, the guide sleeve, the photoelectric sensor and the pressing roller according to the diameter of the incoming material wire to ensure that the center lines are consistent, ensuring that the material can smoothly pass through induction annealing, and automatically and accurately transmitting a PLC (programmable logic controller) instruction;
the fourth step: feeding, namely placing the straightened copper-aluminum composite round bar on a feeding table, and controlling a robot arm to complete feeding through a PLC (programmable logic controller) instruction;
the fifth step: setting process parameters, namely correspondingly setting the output power of a power supply to be adjusted between 50% and 98% of rated power according to different incoming material sizes, adjusting the transmission speed between 1 m/min and 8m/min, adjusting the starting time of a preheating coil between 1 s and 10s, and slightly correcting the process parameters according to the annealing condition in time on a PLC (programmable logic controller) program control panel;
and a sixth step: annealing, after the 5 steps of operation are completed, starting a power supply to complete the online rotary induction annealing of the copper-aluminum composite round bar;
the seventh step: unloading, packaging and annealing, wherein the PLC transmits an instruction to unload the annealed material on an unloading frame, and the annealed material is packaged and delivered according to different specifications;
an online rotary induction annealing device for copper-aluminum composite round bars comprises a feeding system, wherein the feeding system is connected with a transmission system, an induction annealing device and a cooling system are arranged above the transmission system, the transmission system is connected with a discharging system, the feeding system comprises a plurality of feeding frames, transmission motors are arranged on the feeding frames, stop blocks are arranged below the transmission motors, ejector rods are arranged on the inner sides of the stop blocks, photoelectric sensors are arranged on one sides of the feeding frames, mechanical arms are arranged above the feeding frames, the transmission system comprises a plurality of transmission shafts, the transmission shafts are in a V shape and are arranged in a 110 ︒ arrangement mode with the central line of the copper-aluminum composite round bars, a baffle plate is arranged on the transmission system on the front side of the induction annealing device, a plurality of press rolls and a plurality of guide sleeves are arranged on the transmission system below the induction annealing device, two cams are arranged at the lower ends of the press rolls and are matched with the V-shaped grooves of the transmission shafts, the induction annealing device comprises an induction power supply and a plurality of induction coils, a cooling system is arranged on the rear side of the induction annealing device, the cooling system comprises a spraying device, an air knife is arranged behind the spraying device, a discharging system comprises a discharging frame, and a plurality of discharging sliding blades are arranged on the discharging frame.
The invention has the beneficial effects that: the invention has higher automation degree, reduces the direct human input, can operate and control equipment by only one person, and can be used for corresponding assistance by one person, thereby reducing the human capital; secondly, the production efficiency is high, two copper-aluminum composite round bars can be annealed simultaneously, and the performance is consistent;
the copper-aluminum composite round bar has strong applicability, because the copper-aluminum composite round bar belongs to a bimetal composite material, and the material properties are inconsistent, the rejection rate of products subjected to heat treatment in the traditional tank type annealing mode is high, the copper layer structure grains on the surface of the products subjected to heat treatment are fine and uniform, the mechanical property is remarkably improved, the core structure is not damaged, the yield reaches more than 95%, and the economic benefit is greatly improved;
the production period is short, the shortest time for completing the heat treatment of a 6m long copper-aluminum composite round bar is less than 1min, the production can be carried out quickly, and the production period is greatly shortened by about 12-15 h compared with the time for one period of temperature rise, heat preservation and cooling in tank annealing;
the designed process route has strong harmony with the device, the operation is simple and convenient, and the control of the process route can be realized only by controlling the PLC control panel;
the process route designed by the invention has high process feasibility and product stability, the quality of the product after heat treatment is stable, and the metallographic experimental structure observation shows that the metallographic structure of the heat treatment meets the design technical requirements, thereby greatly improving the product yield.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged schematic view of the invention at B of FIG. 1;
FIG. 5 is an enlarged view of FIG. 1 at C according to the present invention;
FIG. 6 is an enlarged view of the invention at D of FIG. 1;
FIG. 7 is an enlarged schematic view of the invention at E in FIG. 1;
FIG. 8 is an enlarged schematic view of the invention at F of FIG. 1;
fig. 9 is an enlarged view of the invention at G in fig. 2.
Description of the parts: 1. the device comprises a feeding system, 11, a feeding frame, 12, a motor, 13, a stop block, 14, a photoelectric sensor, 15, a push rod, 16, a mechanical arm, 2, a conveying system, 21, a transmission shaft, 22, a baffle plate, 23, a pressing roller, 24, a guide sleeve, 3, an induction annealing device, 31, an induction power supply, 32, an induction coil, 4, a discharging system, 41, a discharging slide sheet, 42, a discharging frame, 5, a cooling system, 51, a quenching and cooling circulating system, 52, a machine tool cooling circulating system, 53, a spraying device, 54 and an air knife.
Detailed Description
For better understanding and implementation, the method and the equipment for the online rotary induction annealing of the copper-aluminum composite round bar are described in detail in the following with reference to the attached drawings:
an online rotary induction annealing method for a copper-aluminum composite round bar comprises the following steps:
the first step is as follows: straightening, namely straightening the copper-aluminum composite round bar by a special 10-roller hyperbolic straightener, wherein the straightening precision is 0.1-0.15 mm;
the second step: selecting a proper induction coil, wherein the diameter of the copper-aluminum composite round bar is phi 9-phi 40mm, and the diameter of the copper-aluminum composite round bar is phi 9-phi 16mm, and the induction coil with the inner diameter of 25mm is used; an induction coil with the diameter phi of 16-24 mm and the used inner diameter phi of 32 mm; an induction coil with the diameter of phi 24-phi 32mm and the inner diameter of phi 40mm is used; an induction coil with the diameter phi of 48mm is used, and the diameter phi of the induction coil is 32-40 mm;
the third step: adjusting a central line, namely adjusting the positions of an induction coil, a guide sleeve, a photoelectric sensor and a press roller according to the diameter of a supplied material line to ensure that the central lines are consistent, so that the material can smoothly pass through induction annealing, and a PLC (programmable logic controller) instruction can be automatically and accurately transmitted;
the fourth step: feeding, namely placing the straightened copper-aluminum composite round bar on a feeding table, and controlling a robot arm to complete feeding through a PLC (programmable logic controller) instruction;
the fifth step: setting process parameters, namely correspondingly setting the output power of a power supply to be adjusted between 50% and 98% of rated power according to different incoming material sizes, adjusting the transmission speed between 1 m/min and 8m/min, adjusting the starting time of a preheating coil between 1 s and 10s, and slightly correcting the process parameters according to the annealing condition in time on a PLC (programmable logic controller) program control panel;
and a sixth step: annealing, after the 5 steps of operation are completed, starting a power supply to complete the online rotary induction annealing of the copper-aluminum composite round bar;
the seventh step: unloading, packaging and annealing, wherein the PLC transmits an instruction to unload the annealed material on an unloading frame, and the annealed material is packaged and delivered according to different specifications;
an online rotary induction annealing device for copper-aluminum composite round bars comprises a feeding system 1, wherein the feeding system 1 is connected with a transmission system 2, an induction annealing device 3 and a cooling system 5 are arranged above the transmission system 2, the transmission system 2 is connected with a discharging system 4, the feeding system 1 comprises 5 feeding frames 11, transmission motors 12 are arranged on the feeding frames 11, a stop block 13 is arranged below the transmission motor 12, an ejector rod 15 is arranged on the inner side of the stop block 13, a photoelectric sensor 14 is arranged on one side of each feeding frame 11, a mechanical arm 16 is arranged above each feeding frame 11, the transmission system 2 comprises 21 transmission shafts 21, each transmission shaft 21 is designed into a V shape and is arranged in a way of 110 ︒ arrangement with the central line of the copper-aluminum composite round bars, a baffle plate 22 is arranged on the transmission system on the front side of the induction annealing device 3, 5 press rollers 23 and 5 groups of guide sleeves 24 are arranged on the transmission system 2 below the induction annealing device 3, and two cams are arranged at the lower ends of the press rollers 23, the cam matches with the V-shaped groove of transmission shaft 21, and induction annealing device 3 includes induction power supply 31 and a plurality of induction coil 32, and induction power supply 31 includes power and switch board, and 3 rear sides of induction annealing device are equipped with cooling system 5, and cooling system 5 includes spray set 51, and spray set 51 rear is equipped with air knife 52, including unloading the frame 42 on the system 4 of unloading, is equipped with a plurality of gleitbretters 41 of unloading on the unloading frame 42.
The main working principle of the invention is as follows: the copper-aluminum composite round bar is arranged on an upper material rack 11, a conveying belt is driven by the rotation of 5 coaxial transmission motors 12 to enable the copper-aluminum composite round bar to roll forwards, when a first material moves to a stop block 13, the photoelectric sensor 14 senses that the material is in place, a PLC (programmable logic controller) programming transmission instruction is used for jacking a first material to slide to a bottom fixed position for a jacking rod 15, and the action is repeated to jack up a 2 nd material. When the photoelectric sensor 14 simultaneously senses that the two copper-aluminum composite round bars are in place, the PLC automatically transmits an instruction to the robot arm 16 to simultaneously grab up the two materials and place the two materials on the transmission shaft 21; after being aligned by the baffle 22, the copper-aluminum composite round bar enters an induction power supply part at the same time, and the induction power supply 31 part is provided with 5 groups of press rolls 23 and 5 groups of guide sleeves 24, so that the copper-aluminum composite round bar is ensured not to jump and smoothly passes through the induction coil 32 to realize induction annealing; after the annealing, the steel wire is rapidly cooled by a spraying device 51, and then is dried by an air knife 52, and the surface of the steel wire is continuously transmitted forwards; when the tail of the copper-aluminum composite round bar completely leaves the induction power supply part through the induction of the photoelectric inductor 14, the PLC program automatically transmits an instruction to 7 discharging sliding sheets 41 to complete discharging onto the discharging frame 42, and the automatic online induction annealing of the copper-aluminum composite round bar is realized in a reciprocating manner.
The stop block 13 and the ejector rod 15 can ensure that the copper-aluminum composite round bar is automatically jacked up to slide to the bottom position on the same straight line under the PLC instruction control of the photoelectric sensor 14, so that a robot arm 16 can grab materials conveniently;
the 5 coaxial transmission motors 12 can ensure the same-speed transmission of 5 groups of transmission belts under the action of the same shaft, so that the copper-aluminum composite round bar moves forwards in a straight line;
the robot arm 16 can accurately and simultaneously grab two materials and convey the two materials to the transmission shaft 21 under the PLC program instruction, and is convenient and quick;
the transmission shaft 21 is designed into a V shape, is arranged at an angle of 110 degrees with the center line of the copper-aluminum composite round bar, and is driven by friction force to realize automatic rotation in the forward advancing process of the copper-aluminum composite round bar;
the baffle 22 ensures that two copper-aluminum composite round bars are aligned and enter the induction power supply part at the same time;
the lower end of the lower pressing roll 23 is provided with two cams which are matched with the V-shaped groove of the transmission shaft 21, and the cam position is adjusted through the rotating screw thread at the top of the lower pressing roll, so that the copper-aluminum composite round bar can smoothly and quickly pass through the cam, and the phenomenon of tripping caused by jumping to reach an induction coil is avoided;
the guide sleeve 24 has the function of guiding and can also prevent the phenomenon that the copper-aluminum composite round bar is softened after annealing and sags and cannot freely rotate forwards;
the spray device 51 is designed into fan-shaped spray heads, 2 groups of spray heads are arranged at the upper part and the lower part respectively, and the periphery of the copper-aluminum composite round bar can be rapidly cooled to form uniform and fine grain structures.
The invention has higher automation degree, reduces the direct human input, can operate and control equipment by only one person, and can be used for corresponding assistance by one person, thereby reducing the human capital; secondly, the production efficiency is high, two copper-aluminum composite round bars can be annealed at the same time, and the performance is consistent;
the copper-aluminum composite round bar has strong applicability, because the copper-aluminum composite round bar belongs to a bimetal composite material, the material properties are inconsistent, the rejection rate of products subjected to heat treatment in the traditional tank-type annealing mode is very high, the copper layer structure crystal grains on the surface of the products subjected to heat treatment are fine and uniform, the mechanical property is obviously improved, the core structure is not damaged, the yield reaches more than 95 percent, and the economic benefit is greatly improved;
the production period is short, the shortest time for completing the heat treatment of a 6m long copper-aluminum composite round bar is less than 1min, the production can be carried out quickly, and the production period is greatly shortened by about 12-15 h compared with the time for one period of temperature rise, heat preservation and cooling in tank annealing;
the designed process route has strong harmony with the device, the operation is simple and convenient, and the control of the process route can be realized only by controlling the PLC control panel;
the process route designed by the invention has high process feasibility and product stability, the quality of the product after heat treatment is stable, the metallographic structure of the heat treatment meets the design technical requirements through metallographic experimental structure observation, and the product yield is greatly improved.
Claims (2)
1. An online rotary induction annealing method for a copper-aluminum composite round bar is characterized by comprising the following steps:
the first step is as follows: straightening, namely straightening the copper-aluminum composite round bar by a special 10-roller hyperbolic straightening machine, wherein the straightening precision is 0.1-0.15 mm;
the second step is that: selecting a proper induction coil, wherein the diameter of the copper-aluminum composite round bar is phi 9-phi 40mm, and the diameter of the copper-aluminum composite round bar is phi 9-phi 16mm, and the induction coil with the inner diameter of 25mm is used; an induction coil with the diameter of phi 16-phi 24mm and the inner diameter of phi 32mm is used; an induction coil with the diameter phi of 40mm is used, and the diameter phi of the induction coil is between 24mm and 32 mm; an induction coil with the diameter phi of 48mm is used, and the diameter phi of the induction coil is 32-40 mm;
the third step: adjusting the center line, namely adjusting the positions of the induction coil, the guide sleeve, the photoelectric sensor and the pressing roller according to the diameter of the incoming material wire to ensure that the center lines are consistent, ensuring that the material can smoothly pass through induction annealing, and automatically and accurately transmitting a PLC (programmable logic controller) instruction;
the fourth step: feeding, namely placing the straightened copper-aluminum composite round bar on a feeding table, and controlling a robot arm to complete feeding through a PLC instruction;
the fifth step: setting process parameters, namely correspondingly setting the output power of a power supply to be adjusted between 50% and 98% of rated power according to different incoming material sizes, adjusting the transmission speed between 1 m/min and 8m/min, adjusting the starting time of a preheating coil between 1 s and 10s, and slightly correcting the process parameters according to the annealing condition on a PLC program control panel in time;
and a sixth step: annealing, after the 5 steps of operation are completed, starting a power supply to complete the online rotary induction annealing of the copper-aluminum composite round bar;
the seventh step: and (4) unloading, packaging and annealing are completed, the PLC transmits an instruction to unload the annealed materials on an unloading frame, and the materials are packaged and delivered according to various specifications.
2. An online rotary induction annealing device for copper-aluminum composite round bars comprises a feeding system (1), wherein the feeding system (1) is connected with a conveying system (2), an induction annealing device (3) and a cooling system (5) are arranged above the conveying system (2), and the conveying system (2) is connected with a discharging system (4), the online rotary induction annealing device is characterized in that the feeding system (1) comprises a plurality of feeding frames (11), each feeding frame (11) is provided with a transmission motor (12), a stop block (13) is arranged below the transmission motor (12), a mandril (15) is arranged on the inner side of the stop block (13), one side of each feeding frame (11) is provided with a photoelectric sensor (14), a mechanical arm (16) is arranged above each feeding frame (11), the conveying system (2) comprises a plurality of transmission shafts (21), each transmission shaft (21) is V-shaped and is arranged with the central line of the copper-aluminum composite round bars to form 110 ︒, a baffle (22) is arranged on the conveying system on the front side of the induction annealing device (3), be equipped with a plurality of roll (23) and multiunit uide bushing (24) on conveying system (2) of induction annealing device (3) below, roll (23) lower extreme is equipped with two cams, the cam cooperatees with the V-arrangement groove of transmission shaft (21), and induction annealing device (3) are including induction power supply (31) and a plurality of induction coil (32), and induction annealing device (3) rear side is equipped with cooling system (5), and cooling system (5) are including spray set (51), and spray set (51) rear is equipped with air knife (52), including unloading frame (42) on unloading system (4), are equipped with a plurality of gleitbretters (41) of unloading on unloading frame (42).
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| CN111793737A (en) * | 2020-03-24 | 2020-10-20 | 威海多晶钨钼科技有限公司 | Annealing device and annealing process for large-diameter tungsten bar |
| CN117587215A (en) * | 2023-11-23 | 2024-02-23 | 宜兴市惠华复合材料有限公司 | Online rotary induction annealing equipment and method for copper-aluminum composite round bar |
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| CN101448347A (en) * | 2008-12-30 | 2009-06-03 | 上海电气电站设备有限公司 | Method for manufacturing induction coil used for medium frequency induction heating |
| EP2287345A1 (en) * | 2009-07-23 | 2011-02-23 | Siemens Aktiengesellschaft | Method for controlling and/or regulating an induction oven for a roller assembly, control and/or regulating device for a roller assembly and roller assembly for producing rolled goods |
| CN103695609A (en) * | 2013-12-31 | 2014-04-02 | 北京科技大学 | High-frequency induction annealing device and technology for regulation and control of copper-clad aluminum composite flat bus |
| CN104673988A (en) * | 2015-03-20 | 2015-06-03 | 十堰高周波科工贸有限公司 | Induction heating annealing machine tool |
| CN205974605U (en) * | 2016-08-26 | 2017-02-22 | 应达工业（上海）有限公司 | High -speed online copper pipe annealing equipment |
| CN106601324A (en) * | 2016-12-07 | 2017-04-26 | 烟台孚信达双金属股份有限公司 | High-bonding strength copper-aluminum composite conductive material and preparation method thereof |
| CN207632866U (en) * | 2017-12-22 | 2018-07-20 | 烟台孚信达双金属股份有限公司 | A kind of online rotary inductive annealing device of Copper-Aluminum compound pole |
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