WO2012141405A1 - 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치 - Google Patents
코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치 Download PDFInfo
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- WO2012141405A1 WO2012141405A1 PCT/KR2011/010072 KR2011010072W WO2012141405A1 WO 2012141405 A1 WO2012141405 A1 WO 2012141405A1 KR 2011010072 W KR2011010072 W KR 2011010072W WO 2012141405 A1 WO2012141405 A1 WO 2012141405A1
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- WIPO (PCT)
- Prior art keywords
- thick plate
- heating
- coil
- frequency induction
- induction heating
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/20—Bending sheet metal, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/005—Processes combined with methods covered by groups B21D1/00 - B21D31/00 characterized by the material of the blank or the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/14—Bending rods, profiles, or tubes combined with measuring of bends or lengths
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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
-
- 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
- C21D11/005—Process control or regulation for heat treatments for cooling
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Definitions
- the present invention uses high-frequency induction heating by automatic coil position automatic precision control, and has a displacement measuring means to measure height displacement before and after heating of a thick plate to enable more precise curved processing.
- the shipyards design the alignment to have the optimum driving performance by considering the cargo load, speed and fuel consumption rate to meet the purpose of the ship and the requirements of the owner.
- the outer shell of the hull is composed of many three-dimensional curved surfaces.
- the hull shell, defined by the linear design, is divided into about 100-300 shells through a landing process.
- the thick plate is processed by using a variety of processing equipment such as rollers and presses.
- Korean Patent Laid-Open Publication No. 10-2009-0093657 discloses a "hulling shell forming apparatus using a method for calculating the multi-point press position information for forming the hull shell," and a schematic state diagram of use is shown in FIG.
- each outer plate since each outer plate rarely has the same shape and dimensions, and is a thick plate in the range of 10 to 40 mm thick, which is difficult to form into a desired shape at one time, the same shape is used only by a cold forming process such as a multi-point press. Since it is difficult to complete a hull curved surface processing, the hot working method using linear heating for processing the outer shell of a hull to a curved surface is repeatedly applied for final precision molding.
- the prior art of the hot working process using the linear heating is to generate plastic deformation in the thick plate through the tension and compression of the plate while undergoing the process of intensive heating and cooling a certain area corresponding to the surface of the plate using a gas torch By using the principle, it is used as shown in FIG.
- a plurality of gas torch 40 is provided on the rear plate 30 for the curved processing, and the plurality of gas torches 40 are disposed to be spaced apart in a straight line to radiate the flame downward.
- the hot working method has a problem that the material is deformed in an undesired direction if the temperature of the thick plate 30 is not precisely controlled by applying a high heat locally to the thick plate 30, and the heating direction, speed, heat input amount, cooling Since there are many factors affecting the work such as the method and the thickness of the plate, it is difficult to control the required curvature of the thick plate.
- an object of the present invention for solving the above problems is to provide a three-dimensional displacement measuring means in performing a linear heating process using high-frequency induction heating by automatic coil position automatic precision control desired heating wire before heating the thick plate Preliminary measurement of the virtual three-dimensional heating wire in the direction, and the measurement of the height direction displacement after the linear heating to enable more precise bending, three-dimensional bending of the thick plate using high frequency induction heating by automatic three-dimensional coil position control. It is in providing a device.
- Another object of the present invention is to optimize the shape and arrangement of the heating coil to enable rapid heating, and to provide automatic control of the coil position to improve workability and productivity by providing a conveying means to enable three-dimensional movement of the heating coil. It is to provide a three-dimensional curved processing apparatus for a thick plate using high frequency induction heating.
- the three-dimensional curved processing apparatus of a thick plate using high frequency induction heating by automatic coil position automatic precision control is characterized by performing high frequency induction heating on a power plate, a frame supporting a plurality of parts, and a thick plate seated on a work table.
- the displacement measuring means is arranged to be spaced apart from the heating means, characterized in that for measuring the height data for each position of the thick plate to transmit to the control means.
- the displacement measuring means is characterized in that the contact sensor is applied.
- the conveying means is characterized in that the heating means is guided to be movable in three dimensions with respect to the thick plate.
- the heating means includes a transformer positioned under the heating means for induction heating the thick plate, a control box for controlling the output size of the high frequency current by receiving power from the power supply means, and the control box and the transformer electrically It characterized in that it comprises a connector for connecting.
- the transformer is characterized in that it comprises a coil for generating an alternating flux by receiving a high frequency current from the control box, and a core for receiving the coil therein.
- the coil is characterized in that it is formed by bending a bar having a rectangular cross section a number of times.
- the coil is bent to open in one direction.
- the core is characterized in that formed of a plurality of silicon steel sheet.
- the heat exchanger is characterized by simultaneously cooling the transformer and the connector.
- the transformer, the control box and the connector are integrally coupled and move simultaneously.
- the connector is formed by bending a metal plate a plurality of times, characterized in that the flow path is formed on one side via the cooling water provided from the heat exchanger.
- the outer side spaced apart from the transformer characterized in that it is provided with a spacing for limiting the separation distance between the transformer and the rear plate by rolling motion in contact with the rear plate.
- the conveying means is characterized in that it comprises a shanghai sending portion for allowing the heating means to linearly reciprocate in the height direction of the frame.
- the shape and arrangement of the coil and the core are optimized, and the movement of the coil is automatically controlled. Therefore, it was comprised so that rapid heating of the surface part near a coil may be possible in the heating wire center and thickness direction.
- the present invention has the advantage that the accuracy is improved because the machining error is reduced by measuring the height information for each position of the thick plate with a displacement measuring means and compared by position after the machining.
- FIG. 1 is a use state diagram of a thick plate bending machine according to the prior art
- Figure 3 is a perspective view showing a three-dimensional curved processing apparatus of a thick plate using high frequency induction heating according to the present invention.
- Figure 4 is a front view showing a three-dimensional curved processing apparatus of a thick plate using high frequency induction heating according to the present invention.
- FIG. 5 is a perspective view showing a heating means in a three-dimensional curved processing apparatus of a thick plate using high frequency induction heating according to the present invention.
- FIG. 6 is a partially enlarged view showing a transformer which is a main component of a heating means in a three-dimensional curved processing apparatus for a thick plate using high frequency induction heating according to the present invention
- FIG. 7 is a front view showing the configuration of a preferred embodiment of a transformer.
- FIG. 8 is a side view showing the configuration of a preferred embodiment of a transformer.
- Fig. 9 is a longitudinal sectional view showing a configuration of a spacing maintenance block as one configuration in a three-dimensional curved processing apparatus for a thick plate using high frequency induction heating according to the present invention.
- FIG. 10 is a state diagram showing the configuration of the displacement measuring means as one configuration in the three-dimensional curved processing apparatus of the thick plate using high frequency induction heating according to the present invention.
- FIG. 11 is a heat transfer analysis result of the thick plate using the three-dimensional curved processing apparatus of the thick plate using the high frequency induction heating according to the present invention.
- FIG. 12 is a schematic diagram showing a heat transfer analysis position of a thick plate using a three-dimensional curved processing apparatus of a thick plate using high frequency induction heating according to the present invention.
- FIG. 13 is a graph showing a heat transfer analysis result for a heating line direction function at the position of FIG. 12.
- 15 is a real picture showing the cross-section of the thick plate manufactured according to a preferred embodiment of the present invention and displacement measurement results by position.
- Fig. 16 is a sectional photograph in which only the heating wire portion of the thick plate section is enlarged.
- 17 is a measurement data of the height before and after heating using a displacement measuring means of one configuration in a three-dimensional curved processing apparatus of a thick plate using high frequency induction heating according to the present invention.
- FIG. 18 is a table showing displacement before and after heating in the table of FIG. 17.
- FIG. 19 is a graph showing the table of FIG. 18;
- FIG. 3 is a perspective view showing a three-dimensional processing apparatus of a thick plate using high frequency induction heating according to the present invention
- Figure 4 is a three-dimensional processing apparatus of a thick plate using a high frequency induction heating according to the present invention (hereinafter ' Front view showing the " processing device "
- the curved apparatus is for processing the thick plate by induction heating to have a curved surface, and to compare and examine the positional displacement before and after heating of the three-dimensionally curved thick plate.
- Device DLK is for processing the thick plate by induction heating to have a curved surface, and to compare and examine the positional displacement before and after heating of the three-dimensionally curved thick plate.
- the grain processing apparatus the power supply means 100, the frame 200 for supporting a plurality of parts, and the heating means 300 for performing high frequency induction heating on the back plate (P) seated on the work table 210
- the conveying means 400 for guiding the movement of the heating means 300 or the work table 210, the heat exchanger 500 for cooling via one side of the heating means 300 and the thick plate (P)
- Displacement measuring means 60 for measuring the height displacement before and after heating
- control means for controlling the operation of the heating means 300, the transfer means 400, the heat exchanger 500 and the displacement measuring means 600. And 700.
- the power supply means 100 is a configuration for supplying power to the heating means 300 so that high frequency induction heating can be carried out, in the embodiment of the present invention generates a high frequency of up to 20 Hz, the output of 100 Hz It has a capacity and is configured to be heated up to 1000 °C.
- the frame 200 is located on the left side of the power supply means 100.
- the frame 200 supports a plurality of parts, and the work table 210 is provided at the front to allow the rear plate P to be seated.
- the work table 210 is coupled to a plurality of rods to each other to form a space therein so that the heating means 300 can be supported in a suspended state.
- the frame 200 is provided with a conveying means 400.
- the conveying means 400 is configured to guide the heating means 300 to move in three dimensions with respect to the rear plate (P), the heating means 300 is based on the frame 200 in the left / right direction and The linear reciprocating motion in the up / down direction is possible, and the linear reciprocation motion in the forward / rear direction of the work table 210 is enabled.
- the transfer means 400 is coupled to the heating means 300 and is mounted on the upper surface of the frame 200 to support the load of the heating means 300, the linear support reciprocating linearly in the left / right direction
- the left and right conveying unit 420 forcing the movement
- the front and rear conveying unit 440 for forcing the forward / backward movement by supporting the lower surface of the work table 210 upward
- the heating means 300 for the support 220 It is configured to include a shanghai conveying unit (reference numeral 460 of Fig. 5) forcing the up / down conveying of).
- the left and right transfer unit 420 and the front and rear transfer unit 440 includes a rail, a guide, and a motor forcing a linear reciprocating motion of the guide, and the shanghai transfer unit 460 has a screw and a cam applied thereto.
- the heat exchanger 500 is provided at the rear side of the frame 200.
- the heat exchanger 500 is configured to circulate the cooling water so that the heating means 300 is cooled, and may include a storage tank for storing the cooling water and a pump for forcibly circulating the cooling water stored in the storage tank. have.
- Displacement measuring means 600 is provided on the right side of the heating means 300.
- the displacement measuring means 600 measures the height data for each position of the rear plate (P) before the machining, and transmits and stores this data to the control means 700 by the position-specific height of the thick plate (P) after machining It is a configuration to measure the displacement compared to the data.
- the displacement measuring means 600 is capable of measuring the displacement by directly contacting the rear plate (P), it is configured to be able to calculate the curvature by measuring the position of the plate immediately after processing.
- the displacement measuring means 600 is preferably a contact sensor is applied, it is arranged to move in the same manner as the heating means 300 spaced apart from the heating means 300 by a predetermined distance.
- the control means 700 is provided on the right side of the frame 200.
- the control means 700 is for controlling the operation of the heating means 300, the transfer means 400 and the heat exchanger 500, the heating temperature of the thick plate (P) to be heated by the heating means 300, heating It is configured to control the driving of the transfer means 400 for the transfer of the means 300 or the work table 210, the flow rate of the cooling water circulation of the heat exchanger 500, and the like.
- the heating means 300 is provided on the left side of the control means 700.
- the heating means 300 is a configuration for induction heating the thick plate (P) by receiving power from the power supply means 100, a detailed configuration of the heating means 300 will be described with reference to FIGS. do.
- FIG 5 is a perspective view showing a heating means 300 in the three-dimensional curved processing apparatus of the thick plate using the high frequency induction heating according to the present invention
- Figure 6 is a three-dimensional curve of the thick plate using the high frequency induction heating according to the present invention
- a partially enlarged view showing a transformer which is a main component of the heating means 300 in the processing apparatus is shown.
- the heating means 300 is located below the heating means 300, and a transformer 320 for induction heating the thick plate P and power from the power supply means 100. It comprises a control box 340 for controlling the output size of the high-frequency current, and the connector 360 for the control box 340 and the transformer 320 is electrically connected.
- the transformer 320 is the most important configuration among the various configurations of the heating means 300, the coil 324 formed of a ferrite having a shape that is bent in one direction by bending a silicon steel rod having a rectangular cross section a number of times, and the coil And a core 322 that houses 324 therein.
- the connector 360 is provided above the transformer 320.
- the connector 360 is formed by bending a plurality of metal plates, and when viewed from the front, the center part is bent to have an approximately 'c' shape, and the transformer 320 is electrically connected to a lower end part.
- the connector 360 serves to electrically connect the control box 340 and the transformer 320.
- the connector 360, the control box 340, and the transformer 320 are integrally coupled and movable at the same time. That is, as described above, the supporter 220 is supported on the frame 200 so as to linearly reciprocate, and the load of the control box 340 is supported on the supporter 220.
- the flow path 362 is provided on the surface of the connector 360.
- the flow path 362 is configured to allow the cooling water cooled through heat exchange while passing through the heat exchanger 500 to pass through the connection hole 360.
- the flow path 362 has an empty tubular shape and is bent several times. It is attached to the outer surface of the connector 360.
- the coolant flowing along the flow path 362 may absorb and heat the heat of the connector 360.
- the heat exchanger 500 also performs the role of cooling the heating means 300 at the same time. That is, the cooling water passing through the heat exchanger 500 is configured to circulate along the cooling pipe 364 installed to pass through the heating means 300.
- the cooling pipe 364 is connected to communicate with the inside of the core 322 so that the cooling water may be cooled by heat exchange while passing through the transformer 320.
- cooling pipe 364 may be branched into a plurality of branches as shown in FIG. 5 to be coupled to communicate with the flow path 362 and the transformer 320.
- An outer space holding portion 380 is provided on the outside of the transformer 320.
- Four space keeping 380 is provided on the outside of the transformer 320 so as to be spaced apart from each other, and serves to limit the separation distance between the rear plate (P) and the transformer (320).
- the gap retaining zone 380 is located at the side of the heating unit 300 and fixed to the upright with respect to the ground, and is located below the coupling portion 382 and the rear plate (P) and optional It includes an elastic generating portion 384 for generating an elastic restoring force at the time of contact and a height adjusting portion 388 for height adjustment of the elastic generating portion 384.
- the coupling portion 382 is coupled to the height adjustment unit 388 and the lower end, the space is formed in the height adjustment unit 388 to enable the linear movement of the elastic generating unit 384 in the up and down direction ( See the right figure of FIG. 9). Then, the fastener 389 is provided through the right side surface of the height adjustment unit 388.
- the outer surface of the elastic generator 384 may be pressed by the rotation of the fastener 389 so that an insertion depth into the height adjusting unit 388 may be fixed.
- An elastic member 385 is provided inside the elastic generator 384, and a ball 386 is rotatably constrained under the elastic member 385. Therefore, the ball 386 is located at the lowermost side of the spacing 380 to be in contact with the rear plate (P), and pushes upwards as the contact pressure with the rear plate (P) increases, the elastic member ( 385) is configured to generate elastic restoring force.
- FIG. 10 is a state diagram showing the configuration of the displacement measuring means as one configuration in the three-dimensional curved processing apparatus of the thick plate using the high frequency induction heating according to the present invention.
- the displacement measuring means 600 is configured to be able to adjust it on contact with the various thick plate (P).
- the displacement measuring means 600 includes a contact sensor 620 for measuring height data in contact with the rear plate P, and a holder 640 for supporting the contact sensor 620 to maintain a predetermined position. It is configured by.
- the holder 640 is coupled to the Shanghai East 460, the upper end is moved in the same speed and direction as the heating means 300, it is configured to enable length adjustment or angle adjustment.
- the contact sensor 620 is provided below the holder 640.
- the contact sensor 620 measures the position data by contacting the lower surface with the upper surface of the rear plate (P), is electrically connected to the power supply means 100 is supplied with power.
- the contact sensor 620 transmits the measurement data to the control means 700, the control means 700 is capable of measuring the height displacement before / after the processing by storing or comparing this data.
- Figure 11 is a heat transfer analysis result of the thick plate using the three-dimensional curved processing apparatus of the thick plate using the high frequency induction heating according to the present invention, in the experiment for the present invention, 17mm ⁇ 300mm ⁇ 500mm A thick plate (P) of SS400 material having a size of was used, and the core 322 has a ferrite magnetic material applied thereto, and is surrounded by a coil '' made of oxygen-free copper.
- P thick plate
- the core 322 has a shape in which a plurality of silicon steel sheets are stacked.
- the conveying speed of the thick plate (P) is 5mm / s, a power of 40 kHz having a frequency of 15 kHz was applied, the separation distance of the heating means 300 and the thick plate (P), that is, air gap (air gap) ) was 5 mm.
- the air convection coefficient is 0.02 N / sec / mm / ° C.
- a plurality of heating wires are defined on the thick plate P, and positions are assigned at equal intervals for each of the plurality of heating wires.
- the heat input amount was distributed intensively in the center region of the thick plate P where the heating line is located, and at least the austenite A3 transformation temperature of the thick plate P (minimum 950 °C or more) can be expected to increase the temperature.
- thermomechanical deformation in the furnace is proportional to the applied power.
- FIG. 15 is a physical photograph showing a cross section of a thick plate manufactured according to a preferred embodiment of the present invention and displacement measurement results for each position, and the absolute displacement value in the height direction for each position could be measured.
- 16 is a cross-sectional photograph in which only the heating wire portion of the thick plate section is enlarged, and it can be seen that the size of the heat affected zone is larger as the applied power increases.
- FIG. 17 is measurement data obtained by measuring a height before and after heating using a displacement measuring means as one component in a three-dimensional curved processing apparatus of a thick plate using high frequency induction heating according to the present invention
- FIG. It is a table which shows the displacement before and after
- FIG. 19 is a graph which shows the table of FIG.
- the shape and arrangement of the coil and the core are optimized, and the movement of the coil is automatically controlled, In the thickness direction, it was comprised so that rapid heating of the surface part near a coil might be possible.
- the displacement measuring means to measure the height information for each position of the thick plate and can be compared for each position after the machining, the machining error is reduced and more precise work is possible.
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- Crystallography & Structural Chemistry (AREA)
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- Organic Chemistry (AREA)
- General Induction Heating (AREA)
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Abstract
Description
Claims (14)
- 전원공급수단과,다수 부품을 지지하는 프레임과,작업대에 안착된 후판에 고주파 유도 가열을 실시하는 가열수단과,상기 가열수단 또는 작업대의 움직임을 안내하는 이송수단과,상기 가열수단 일측을 경유하여 냉각하는 열교환기와,상기 후판에 대하여 가열 전과 후의 높이 변위를 측정하기 위한 변위측정수단과,상기 가열수단, 이송수단, 열교환기 및 변위측정수단의 동작을 제어하는 제어수단을 포함하여 구성됨을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
- 제 1 항에 있어서, 상기 변위측정수단은,상기 가열수단으로부터 이격 배치되며, 후판의 위치별 높이 데이터를 측정하여 상기 제어수단에 전송하는 것을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
- 제 2 항에 있어서, 상기 변위측정수단은 접촉식 센서가 적용됨을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
- 제 2 항 또는 제 3 항에 있어서, 상기 이송수단은,상기 가열수단이 후판에 대하여 3차원적으로 이동 가능하도록 안내하는 것을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
- 제 2 항 또는 제 3 항에 있어서, 상기 가열수단은,상기 가열수단의 하측에 위치하여 후판을 유도 가열하는 트랜스포머와,상기 전원공급수단으로부터 전원을 인가받아 고주파 전류의 출력크기를 제어하는 컨트롤박스와,상기 컨트롤박스와 트랜스포머가 전기적으로 연결되게 하는 연결구를 포함하여 구성됨을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
- 제 5 항에 있어서, 상기 트랜스포머는 상기 컨트롤박스로부터 고주파 전류를 제공받아 교번자속을 발생하는 코일과,상기 코일을 내부에 수용하는 코어를 포함하여 구성됨을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
- 제 6 항에 있어서, 상기 코일은 사각 단면을 가지는 봉재를 다수회 절곡하여 형성됨을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
- 제 7 항에 있어서, 상기 코일은 일방향으로 개구되도록 절곡됨을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
- 제 8 항에 있어서, 상기 코어는 다수의 규소강판으로 형성됨을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
- 제 5 항에 있어서, 상기 열교환기는, 상기 트랜스포머와 연결구를 동시에 냉각하는 것을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
- 제 5 항에 있어서, 상기 트랜스포머와 컨트롤박스 및 연결구는 일체로 결합되어 동시에 이동하는 것을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
- 제 8 항에 있어서, 상기 연결구는, 금속판재를 다수회 절곡하여 형성되며, 일측에는 상기 열교환기로부터 제공되는 냉각수가 경유하도록 유로가 형성됨을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
- 제 3 항에 있어서, 상기 트랜스포머로부터 이격된 외측에는,상기 후판과 접촉하여 구름운동함으로써 상기 트랜스포머와 후판의 이격 거리를 제한하는 간격유지구가 구비됨을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
- 제 3 항에 있어서, 상기 이송수단은, 상기 가열수단이 프레임의 높이 방향으로 직선 왕복 운동 가능하도록 하는 상하이송부를 포함하는 것을 특징으로 하는 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011800042988A CN102933330A (zh) | 2011-04-13 | 2011-12-26 | 自动精密控制高频感应线圈位置的厚板三维曲面加工装置 |
| DE112011100170T DE112011100170T5 (de) | 2011-04-13 | 2011-12-26 | Apparat zur Krümmung dreidimensionaler Oberflächen von Grobblech unter Verwendung einer Hochfrequenzinduktionsheizung mit einer genauen Kontrolle der Spulenposition |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0034136 | 2011-04-13 | ||
| KR1020110034136A KR20120116604A (ko) | 2011-04-13 | 2011-04-13 | 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치 |
Publications (1)
| Publication Number | Publication Date |
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| WO2012141405A1 true WO2012141405A1 (ko) | 2012-10-18 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/KR2011/010072 Ceased WO2012141405A1 (ko) | 2011-04-13 | 2011-12-26 | 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치 |
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| Country | Link |
|---|---|
| KR (1) | KR20120116604A (ko) |
| CN (1) | CN102933330A (ko) |
| DE (1) | DE112011100170T5 (ko) |
| WO (1) | WO2012141405A1 (ko) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI564095B (zh) * | 2014-04-01 | 2017-01-01 | 三千金屬工業股份有限公司 | 滑軌之軌道結構及其製法 |
| CN114786285A (zh) * | 2022-05-18 | 2022-07-22 | 华中科技大学 | 一种感应加热装置 |
| CN116618959A (zh) * | 2023-05-08 | 2023-08-22 | 四川虹基光玻新材料科技有限公司 | 用于曲面玻璃测量治具的加工方法 |
| CN117265233A (zh) * | 2023-09-26 | 2023-12-22 | 安徽合力股份有限公司 | 货叉折弯部位强化装置及其工作方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10231289B2 (en) | 2013-11-07 | 2019-03-12 | Illinois Tool Works Inc. | Large scale metal forming |
| US10112227B2 (en) | 2013-11-07 | 2018-10-30 | Illinois Tool Works Inc. | Large scale metal forming control system and method |
| KR102185197B1 (ko) * | 2014-10-17 | 2020-12-01 | 동우 화인켐 주식회사 | 유도 가열 장치 |
| KR102328301B1 (ko) * | 2017-09-27 | 2021-11-17 | 대우조선해양 주식회사 | 자동 곡 가공 장치 |
| CN117531881B (zh) * | 2024-01-08 | 2024-04-26 | 四川省盛源鑫智能电气有限责任公司 | 一种铜排折弯机床 |
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- 2011-12-26 CN CN2011800042988A patent/CN102933330A/zh active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102933330A (zh) | 2013-02-13 |
| DE112011100170T5 (de) | 2013-07-18 |
| KR20120116604A (ko) | 2012-10-23 |
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