CN106956060B - The method of electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature - Google Patents
The method of electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature Download PDFInfo
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- CN106956060B CN106956060B CN201710177506.3A CN201710177506A CN106956060B CN 106956060 B CN106956060 B CN 106956060B CN 201710177506 A CN201710177506 A CN 201710177506A CN 106956060 B CN106956060 B CN 106956060B
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- electromagnetic induction
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/095—Monitoring or automatic control of welding parameters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
Abstract
The invention discloses a kind of methods of electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature, it is characterized in that, its formation system is mainly by computer, the compositions such as electric arc deposited control system, six-joint robot I, master control system I, Cryocooler Temperature Closed Loop Control System, the Cryocooler Temperature Closed Loop Control System are made of temperature closed-loop control device II and master control system II.Infrared thermometer, electromagnetic induction heating coil and cooling device are installed in temperature closed-loop control device II.During increasing material manufacturing, infrared thermometer is used to measure the variation of surface temperature after each layer heap is accumulated, and measured value real-time Transmission is to computer.According to preset interlayer temperature, computer controls electromagnetic induction heating coil and cooling device by master control system II and is shaped part application sensing heating or pressure cooling effect to the part of part to realize the purpose of active control interlayer temperature.The present invention provides a kind of effective ways for active control electric arc increasing material manufacturing interlayer temperature.
Description
Technical field
The invention belongs to increases material manufacturing technology fields, and in particular to a kind of electromagnetic induction heating active control electric arc increasing material system
The method for making interlayer temperature.
Background technology
Increases material manufacturing technology is a kind of based on discrete-accumulation principle, under the auxiliary of computer, using wire feed or powdering
Mode, with high energy beam（Laser, electron beam, plasma, electric arc）Part is realized into melting original material successively deposition accumulation for heat source
The manufacturing process without mold, Quick-forming.Electric arc increases material manufacturing technology refers to being based on（TIG welderings, MAG welderings, MIG welderings or CMT
Weldering）Electric arc is heat source, uses the mode of synchronous wire feed for manufacturing stainless steel, high strength alloy steel and carbon steel etc. as the height of raw material
A kind of technique of performance complex parts.Compared to using laser, electron beam, plasma as the increases material manufacturing technology of heat source, the technology
Have many advantages, such as that production efficiency is high, production cost is low, raw material availability is high and mechanical property is good, is particularly suitable for automobile and aviation
Enlargement, complication and the manufacture of light-weighted integrated member in equal fields.
Currently, electric arc increases material manufacturing technology still suffers from bigger difficulty in terms of controlling shape control, crucial reason it
One is the control of interlayer temperature.Substantially, electric arc increasing material manufacturing process is the process of a micro- casting, and molten bath passes through by " point-
The process of line-face " realizes the entity manufacture of part.During electric arc increasing material manufacturing, with accumulation the number of plies increase, part with
Heat-exchange capacity between surrounding medium reduces so that the heat accumulation amount that part is shaped part is continuously increased, and leads to interlayer temperature
Degree increases.When interlayer temperature is higher than a certain temperature range, during next layer heap is accumulated, then cause bath temperature excessively high, molten
Liquid setting time increases, melt is more liquid and the anti-interference ability in molten bath greatly reduces, especially in drip molding marginal portion
Easily generate " trickling " phenomenon.This is not only serious to reduce the surface quality and dimensional accuracy of part, and easily leads to part
There is coarsening phenomenon in internal grain, to reduce the overall mechanical properties of part.If interlayer temperature is too low, molten bath solidification speed
Degree is very fast, and the mobility of melt is relatively low, serious to reduce zero the defects of easily leading to the non-soldering of interlayer formation or generate hole
The mechanical property of part.Therefore, during electric arc increasing material manufacturing, reasonably controlling the range of electric arc increasing material manufacturing interlayer temperature is
Improve one of the critical path of drip molding surface quality and mechanical property.
Currently, researcher passes through the method for increase time interval between layers using instruments such as infrared thermometer and thermocouples
The variation for controlling interlayer temperature, has studied affecting laws of the interlayer temperature to drip molding surface quality and mechanical property.Such as Ha Er
Shore polytechnical university Zhang Guangjun professor has studied the variation that temperature during wall shape part is shaped using GMAW increases material manufacturing technologies, experiment
Show：During increasing material manufacturing, the variation range that interlayer temperature is controlled by increasing time interval between layers is conducive to raising zero
The surface quality and dimensional accuracy of part；Meanwhile excessively the increase interlayer cooling time can not be effectively reduced the heat product of part
Tired amount, and reduce the production efficiency of part（Referring to Yang D, Wang G, Zhang G. Thermal analysis for
single-pass multi-layer GMAW based additive manufacturing using infrared
thermography[J]. Journal of Materials Processing Technology, 2017, 244: 215-
224）.For another example University Of Tianjin doctor Shen Junqi is based on AC-TIG WELDING and welds increases material manufacturing technology, has studied interlayer temperature to forming quality
Affecting laws, experiment shows：Reasonably the stability in molten bath in banking process can be improved in control interlayer temperature range, produces
Surface topography is good, the part of even tissue densification（Referring to Shen Junqi, Hu Shengsun, Liu Wanglan, wait Weldeds quick
It shapes time interval between layers analysis [J] and welds journal, 2008,29 (5): 110）.But when by increasing interlayer interval
Between method not only significantly reduce the efficiency of electric arc increasing material manufacturing to control interlayer temperature, and be difficult to accurately control interlayer
The range of temperature.Therefore, a kind of method of active control electric arc increasing material manufacturing interlayer temperature is invented to be of great significance.
Invention content
For the technical barrier faced at present, the invention discloses a kind of electromagnetic induction heating active control electric arcs to increase material system
The method for making interlayer temperature.During increasing material manufacturing, using Cryocooler Temperature Closed Loop Control System by being shaped part to part
Apply sensing heating and forces cooling effect to realize the purpose of active control interlayer temperature, i.e., with the increase of the accumulation number of plies,
Electromagnetic induction heating coil and cooling device are passed through in the part that is shaped of substrate and part successively, real-time using infrared thermometer
The variation of surface temperature after each stack layer is measured, and by the temperature value real-time Transmission of measurement to computer；According to advance
The interlayer temperature value of setting, computer is by real-time control electromagnetic induction heating coil and cooling device to being shaped the office of part
Portion applies sensing heating and forces cooling effect quickly to control the variation of interlayer temperature, to realize active control interlayer temperature
Purpose.The present invention provides a kind of effective ways efficiently to accurately control the interlayer temperature of electric arc increasing material manufacturing, to real
Now to the control of drip molding surface quality and mechanical property.
The technical scheme is that：During increasing material manufacturing, computer passes through master control system I and electric arc deposited control
The motion track of welding gun and the variation of build up process parameter are to complete the accumulation of each layer of profile on system control six-joint robot I
At the same time forming it is each in banking process to control to control the second servo motor adjustment bearing flat plate by master control system II
Accumulate the variation of layer thickness；With the increase of the accumulation number of plies, bearing flat plate constantly declines, and the height declined every time is by part three-dimensional
The thickness of model layers determines so that electromagnetic induction heating coil and cooling dress are passed through in the part that is shaped of substrate and part successively
It sets；The temperature measurement location of infrared thermometer is controlled with quick obtaining stack layer by first servo motor after each layer heap product
The temperature value on surface, and by measured value real-time Transmission to computer, simultaneous computer passes through according to preset interlayer temperature
Master control system II controls electromagnetic induction heating coil and cooling device and applies sensing heating and pressure to the part that is shaped of part
Cooling effect, to realize the purpose of active control interlayer temperature.
Specifically, the specific implementation of the electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature method
Steps are as follows：
（1）The layering of part model：According to the three-dimensional CAD model of part, layered shaping is carried out to model.
（2）The planning that accumulation path is carried out according to the size and shape feature of each hierarchy slicing generates needed for each layer forming
Numerical control code, control the mobile route and branch of welding gun on I mechanical arm of six-joint robot respectively using the numerical control code of production
The distance that peaceful plate declines every time along piling height direction.
（3）According to the physical characteristic of material, interlayer temperature value is presetT 1、T 2、T 3、…T n , whereinT 1Refer to the 1st layer of accumulation
When substrate surface temperature value,T n Refer to accumulation thenThe when layernThe temperature value of -1 layer surface.
（4）During successively accumulating, bearing flat plate is according to step（2）The thickness of middle layering constantly declines, with heap
Electromagnetic induction heating coil and cooling device are passed through in the part that is shaped of the increase of lamination number, substrate and part successively.When each
After layer heap is accumulated, bearing flat plate declines the distance of a lift height, and subsequent computer is adjusted in real time by first servo motor
The temperature value of layer surface is accumulated with quick obtaining in the position of whole infrared thermometerT n’ , and by measured value real-time Transmission to calculating
Machine.According to step（3）Middle predetermined temperature value, computer make differentiation, whenT n ´<T n When, computer passes through master control system
Size of current, frequency and the variation of sensing heating time in II adjustment electromagnetic induction heating coil, add to being in electromagnetic induction
Apply sensing heating close to the part drip molding of accumulation top layer in heat coil, to make interlayer temperature be rapidly achievedT n , whenT n ´>T n
When, stop electromagnetic induction heating, computer starts cooling device by master control system II, and is adjusted by fluid pressure drive device II
The position of cooling device applies pressure cooling effect to the part that is shaped of part, to make interlayer temperature quickly drop toT n .When
Interlayer temperature reachesT n When, computer stops electromagnetic induction heating and forces cooling effect, and according to step（2）The numerical control of generation
The motion track of program control welding gun starts next layer of stack shaping, recycles the above process, until realizing the entity manufacture of part.
The method of the electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature, it is characterised in that：In advance
The interlayer temperature value of settingT 1、T 2、T 3、…T n Not necessarily essentially equal, value can be by under identical accumulation forming parameters
Preliminary experiment determine.
The method of the electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature, it is characterised in that：It is described
Electric arc increases material manufacturing technology refer to MAG weldering, MIG weldering or CMT weld for heat source, use the mode of synchronous wire feed to manufacture with stainless
Steel, high strength alloy steel and carbon steel are a kind of forming technique of the metal parts of raw material.
The method of the electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature, it is characterised in that：Electromagnetism
Induction heating mode is using three kinds of ultralow frequency, low frequency or intermediate frequency induction heating modes.
The method of the electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature, it is characterised in that：According to
The physical characteristic of moulding material, cooling device use air or recirculated cooling water two media.
The method of the electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature, it is characterised in that：It utilizes
When the forming of electric arc increases material manufacturing technology is using stainless steel silk material as the part of raw material, preferred interlayer temperature is：10℃≤T n ≤500
℃。
The method of the electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature, it is characterised in that：Electromagnetism
The number of turns of load coil is depending on the length of heating region, it is preferred that electromagnetic induction heating coil is accumulated high along part
The length for spending direction heating region is 5 ~ 300mm.
The method of the electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature, it is characterised in that：Master control
System II makes to add in electromagnetic induction by adjusting size of current, frequency and the variation of heating time in electromagnetic induction heating coil
Part drip molding induction heat production in heat coil close to accumulation top layer makes interlayer temperature be rapidly achieved predetermined temperature.
The method of the electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature, it is characterised in that：It is infrared
The thermometric region of line temperature measurer is controlled by first servo motor, for measuring surface temperature after each layer heap is accumulated in real time
Variation, and by measured value real-time Transmission to computer.
The method of the electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature, it is characterised in that：Hydraulic pressure
Driving device I and fluid pressure drive device II are respectively used to the heating of adjustment electromagnetic induction heating coil and the position of cooling device.
During electric arc increasing material manufacturing, made in the way of electromagnetic induction heating tight in electromagnetic induction heating coil
Regional area at the top of adjacent stack layer incudes heat production, to make interlayer temperature rapidly reach preset interlayer temperature value,
When stack layer surface temperature is higher than preset interlayer temperature value, stopping sensing heating acting on, while being filled using pressure is cooling
Setting to apply the part for being shaped part forces cooling effect so that interlayer temperature drops to rapidly preset interlayer temperature value, from
And realize the purpose of active control electric arc increasing material manufacturing interlayer temperature.The present invention not only increases the production effect of electric arc increasing material manufacturing
Rate, and improve the pattern quality and mechanical property of drip molding.
Description of the drawings
Fig. 1 is the formation system of the method for electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature in the present invention
Schematic diagram.
Fig. 2 is the A-A direction structure schematic diagrames of the temperature scaling factor structure II in Fig. 1 of the present invention.
Wherein, 1- computers, 2- master control systems I, the electric arc deposited control systems of 3-, 4- protect gas bottle, 5- welding guns, 6- at
Shape part, 7- infrared thermometers, 8- first servo motors, 9- electromagnetic induction heating coils, 10- induction coil fixed card slots,
11- cooling nozzles, 12- cool down medium pipeline, 13- hydraulic stems I, 14- master control systems II, 15- laser range finders, the drive of 16- hydraulic pressure
Dynamic device I, 17- pedestals, the second servo motors of 18-, 19- ball screws, 20- bearing flat plates, 21- substrates, 22- fixing bolts,
23- cooling tube fixed card slots, 24- hydraulic stems II, 25- fluid pressure drive devices II.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
As depicted in figs. 1 and 2, a kind of method of electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature, institute
The formation system of the method for the electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature stated includes mainly：Computer 1,
Master control system I, electric arc deposited control system 3, protection gas bottle 4, six-joint robot I, temperature closed-loop control device II and master
Control systems II etc. are constituted, and computer 1 is connect with master control system I, master control system II respectively to be respectively used on control six-joint robot I
The motion track and temperature closed-loop control device II of welding gun.Master control system II and infrared thermometer 7, first servo motor 8, the
Two servo motors 18, fluid pressure drive device I, fluid pressure drive device II and cooling device are connected, the thermometric of infrared thermometer 7
The variation of surface temperature, the second servo motor after position is controlled by first servo motor 8 with each stack layer of quick obtaining
18, for adjusting the displacement that bearing flat plate 20 declines every time, according to the height of stack shaping part, pass through fluid pressure drive device I and liquid
Hydraulic driver II is respectively used to the position of setting electromagnetic induction heating circle and cooling device.
It is special according to the shape of part for using continuous wire feed MAG weldering electric arc increasing material manufacturing circular ring shape stainless steel parts
Point, electromagnetic induction heating coil 9 are the multiturn solenoid made of red copper material, the shape and heap of electromagnetic induction heating coil 9
The contour feature in product drip molding layering section is almost the same；It is designed to circular configuration.First, totally simultaneously by 21 surface clean of substrate
It is fixed on bearing flat plate 20, substrate 21 is used to carry the part of stack shaping, secondly, according to the height of formation of parts, calculates
Machine 1 adjusts separately electromagnetic induction heating coil 9 and cooling medium pipeline 12 by fluid pressure drive device I, fluid pressure drive device II
Position, and the position of electromagnetic induction heating coil 9 is made to be higher than the height of drip molding, cooling medium pipeline 12 is located at electromagnetic induction
In certain distance below heater wire coil 9；Recirculated cooling water is by cooling nozzles 11 to being located at below cooling medium pipeline 12
Be shaped part apply force cooling effect quickly to make interlayer temperature drop to preset interlayer temperature value.It is watched by second
The height that motor 18 adjusts bearing flat plate 20 is taken, so that substrate 21 is in electromagnetic induction heating coil 9, and the upper surface of substrate 21
Slightly higher than electromagnetic induction heating coil 9, bearing flat plate 20 are located at below electromagnetic induction heating coil 9.Pass through master control system II
Size of current, frequency and the variation of sensing heating time of control electromagnetic induction heating coil 9 make to be in electromagnetic induction heating line
Part is shaped close to the part of accumulation top layer incude heat production so that interlayer temperature is rapidly achieved preset interlayer temperature in circle 9
Value.
Its specific implementation steps is：（1）The layering of part model：According to the three-dimensional CAD model of part, model is carried out
Layered shaping；（2）The planning that accumulation path is carried out according to the size and shape feature of each hierarchy slicing generates needed for each layer forming
Numerical control code, utilize production numerical control code control I mechanical arm of six-joint robot on welding gun 5 mobile route and Zhi Chengping
The distance that plate 20 declines every time along piling height direction；（3）Temperature value between setting banking process middle levelT 1、T 2、T 3、…T n ,（4）
Substrate is set to incude heat production using electromagnetic induction heating coil 9, when the surface temperature of substrate 21 reaches predetermined temperature value,
According to step（2）The motion track of production numerical control program control welding gun 5 starts the stack shaping of first layer profile, when each layer heap
After product, bearing flat plate 20 declines the distance of a lift height.Layer surface is accumulated using 7 quick obtaining of infrared thermometer
Temperature valueT n ', and by the temperature real-time Transmission of measurement to computer 1, computer 1 is done according to preset interlayer temperature value
Go out to differentiate, ifT n ' ＜ T n , then computer 1 passes through the adjustment electromagnetic induction heating coil 9 of master control system II size of current, frequency
And the variation of heating time applies sensing heating to the part in electromagnetic induction heating coil 9 and keeps interlayer temperature rapid
ReachT n ；IfT n ´>T n , stop electromagnetic induction heating effect, computer 1 starts cooling device by master control system II, and passes through
Cooling effect is forced to make layer the part application that is shaped of part in the position of the adjustment cooling of fluid pressure drive device II medium pipeline 12
Between temperature quickly drop toT n .When interlayer temperature reachesT n When, computer 1 stops electromagnetic induction heating and forces cooling effect, then
Welding gun 5 on six-joint robot I is according to step（2）The numerical control program of generation starts next layer of stack shaping, recycles the above process,
Until realizing the entity manufacture of part.
Above-mentioned the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, but not to the scope of the present invention
Limitation, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art do not need
The various modifications that making the creative labor can make still fall within protection scope of the present invention.
Claims (6)
1. a kind of method of electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature, it is characterised in that：The electricity
It is heat source that arc increasing material manufacturing interlayer temperature, which refers to based on MAG welderings, MIG welderings or CMT welderings, and the mode of synchronous wire feed is used to manufacture with not
Steel, high strength alloy steel and carbon steel become rusty for the interlayer temperature during the metal parts of raw material, the electromagnetic induction heating master
The formation system of dynamic control electric arc increasing material manufacturing interlayer temperature method is mainly by computer（1）, master control system I, electric arc deposited control
System processed（3）, protection gas bottle（4）, six-joint robot I, temperature closed-loop control device II and master control system II constitute, it is described
Master control system I and electric arc deposited control system（3）Motion track and build up process for controlling welding gun on six-joint robot I
The variation of parameter, the temperature closed-loop control device II is mainly by infrared thermometer（7）, first servo motor（8）, electromagnetism
Load coil（9）, cooling device, fluid pressure drive device I, fluid pressure drive device II and the second servo motor（18）It constitutes,
The cooling device is mainly by cooling nozzles（11）, cooling medium pipeline（12）It constitutes, the infrared thermometer（7）With
Master control system II connects, for measuring each stack layer in real time after surface temperature variation, and it is the temperature of measurement is real-time
It is transferred to computer, the first servo motor（8）For adjusting the temperature measurement location of infrared thermometer with quick obtaining heap
The temperature of build-up surface, the electromagnetic induction heating coil（9）And cooling device to substrate and part by being shaped portion
The temperature value for adding sensing heating or cooling effect being forced to terminate rear surface with quick control base board and each stack layer is given, it is described
Fluid pressure drive device I and fluid pressure drive device II be respectively used to adjustment electromagnetic induction heating coil and cooling device position,
Second servo motor（18）For controlling the motion state of bearing flat plate to adjust bearing flat plate in real time along piling height
The distance that direction declines, the computer are connect with master control system I and master control system II for controlling electric arc increasing material manufacturing heap
The variation of product technological parameter and the active control of interlayer temperature；The electromagnetic induction heating active control electric arc increasing material manufacturing layer
Between temperature method, specific implementation steps are：（1）The layering of part model：According to the three-dimensional CAD model of part, to mould
Type carries out layered shaping；（2）According to the size and shape feature of each hierarchy slicing carry out accumulation path planning, generate each layer at
Numerical control code needed for shape controls the movement locus and temperature closed loop of six-joint robot mechanical arm using the numerical control code of production
The distance that bearing flat plate declines every time along stacked direction in control device II；（3）According to the physical characteristic of material, layer is preset
Between temperature valueT 1、T 2、T 3、…T n , whereinT 1Refer to the surface temperature value of substrate when accumulating the 1st layer,T n Refer to accumulation thenThe when layern-1
The temperature value of layer surface；（4）During successively accumulating, bearing flat plate is according to step（2）The thickness of middle layering constantly declines,
With the increase of the accumulation number of plies, electromagnetic induction heating coil and cooling device are passed through in the part that is shaped of substrate and part successively,
After each layer heap is accumulated, computer adjusts the position of infrared thermometer by first servo motor with quick obtaining in real time
The surface temperature value of stack layerT n ', and by measured value real-time Transmission to computer, and computer is according to step（3）In set in advance
Fixed interlayer temperature makes differentiation, that is, works asT n ´<T n When, computer adjusts electromagnetic induction heating coil in real time by master control system II
The time of middle size of current, frequency and sensing heating makes to shape close to the part of accumulation top layer in electromagnetic induction heating coil
Part induction heat production makes interlayer temperature be rapidly achievedT n , whenT n ´>T n When, stop electromagnetic induction heating, computer passes through master control system
II opens cooling device, and is applied to the part that is shaped of part by the position of the real-time adjustment cooling device of fluid pressure drive device II
Reinforce cooling effect processed so that interlayer temperature quickly drops toT n , when interlayer temperature reachesT n When, computer stops electromagnetic induction heating
And cooling effect is forced, and according to step（2）The scan path of the numerical control program control welding gun of generation starts next layer and is piled into
Shape recycles the above process, until realizing the entity manufacture of part.
2. the method for electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature according to claim 1, special
Sign is：Preset interlayer temperature valueT 1、T 2、T 3、…T n It is not necessarily essentially equal, it can be joined by identical build up process
Preliminary experiment under several determines.
3. the method for electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature according to claim 1, special
Sign is：According to the features of shape of formation of parts, electromagnetic induction heating mode is added using three kinds of ultralow frequency, low frequency or intermediate frequency inductions
Hot mode.
4. the method for electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature according to claim 1, special
Sign is：Cooling device uses air or recirculated cooling water two media.
5. the method for electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature according to claim 1, special
Sign is：When using electric arc increasing material manufacturing using stainless steel as the part of raw material, interlayer temperature is：10℃≤T n ≤500℃。
6. the method for electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature according to claim 1, special
Sign is：The number of turns of electromagnetic induction heating coil is depending on the length of heating region, and electromagnetic induction heating coil is along part heap
The length of product short transverse heating region is 5 ~ 300mm.
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| CN114888418A (en) * | 2022-05-18 | 2022-08-12 | 南京航空航天大学 | Coil self-adaption based induction welding method and device for complex curvature plate |
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| DE102012012344B4 (en) * | 2012-03-21 | 2018-05-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and device for the production of workpieces by jet melting of pulverulent material |
| CN103341625B (en) * | 2013-07-10 | 2015-05-13 | 湖南航天工业总公司 | 3D printing manufacturing device and method of metal parts |
| CA2859414C (en) * | 2014-04-04 | 2017-03-14 | Matsuura Machinery Corporation | Metal powder processing equipment |
| CN104289797A (en) * | 2014-08-20 | 2015-01-21 | 青岛尤尼科技有限公司 | Rapid MIG forming system |
| CN104959604B (en) * | 2015-07-23 | 2017-03-08 | 华中科技大学 | A kind of controlled high energy beam selective melting method and apparatus of shaped region thermograde |
| CN105499569B (en) * | 2015-12-24 | 2017-09-15 | 华中科技大学 | A kind of temperature field active control system and its control method for high energy beam increasing material manufacturing |
| CN105855544B (en) * | 2016-04-29 | 2018-10-19 | 西安交通大学 | A kind of selective laser fusing electromagnetic induction three-dimensional heating system |
| CN106180986B (en) * | 2016-07-08 | 2018-06-26 | 湘潭大学 | A kind of Active Control Method of electric arc increasing material manufacturing forming quality |
| CN205888085U (en) * | 2016-08-13 | 2017-01-18 | 中北大学 | Shaping jar of selective laser melting SLM under high -intensity magnetic field |
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