CN107169166A - A kind of computational methods of the portable sensing heating of the bull gear based on ANSYS emulation platforms - Google Patents
A kind of computational methods of the portable sensing heating of the bull gear based on ANSYS emulation platforms Download PDFInfo
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Abstract
A kind of computational methods of the portable sensing heating of bull gear based on ANSYS emulation platforms, its content is：According to the capital equipment and workpiece used during bull gear sensing heating, it is determined that parameter needed for modeling；According to the induction heating technology parameter used in production process, the recognizable equivalent parameters of software is determined；Initial analysis geometrical model is set up according to identified parameter, then addition uses material property parameter, grid division；Apply boundary condition and respective loads, carry out initial electromagnetic heating coupling and calculate；Extract all node temperatures for analyzing workpiece；Motion sensor, motion analysis geometrical model, added material attribute are set up according to identified parameter, grid division, the node temperature of extraction is assigned onto the one-to-one node of workpiece in electromagnetism calculating, applies boundary condition and load, Electromagnetic Continuous heating coupling is carried out and calculates；By realizing distance and corresponding sensing heating time that inductor moves every time come the movement velocity of control sensor, until completing whole calculate.
Description
Technical field
The present invention relates to induction heat treatment field, more particularly to a kind of bull gear based on ANSYS emulation platforms is portable
The computational methods of sensing heating.
Background technology
Wind energy is as a kind of clean reproducible energy, and the prospect of wind-power electricity generation is very wide, and following a very long time will
Keep high speed development.According to investigation display, wind power gear failure occupies more than the 55% of wind turbine gearbox failure ratio.Bull gear
It is the important foundation driving member of wind power generating set, according to its working condition and use requirement, it is necessary to carry out surface to it
Intensive treatment.For the intensive treatment of large gear ring, both at home and abroad mainly using the side of carburizing and quenching, nitride hardening and impewdance matching
Formula is carried out, and carburizing and quenching is long compared to its production cycle of impewdance matching, and energy waste is big, and the reliability of large-scale nitriding furnace, which exists, asks
Topic, and nitration case is shallow.Impewdance matching is compared with other two kinds of quenching modes, then with technique is simple, workpiece deformation is small, efficient
Energy-conserving and environment-protective, it is easy to accomplish the advantages of mechanical automation.
The induction heat treatment for large-scale wind electricity ring gear, which is used, at present quenches by tooth or is quenched every tooth, no matter is quenched by tooth
Or every tooth quenching, sensing heating is carried out by scanning flank profil by inductor, then it is rapidly cold to workpiece progress by quenching liquid
But quench.Studies have found that, wind-powered electricity generation gear ring, which is scanned in formula sensing heating, occurs effect of end surface phenomenon, i.e., inductor with
When same speed is driven into and rolls gear ring away from, it may appear that phenomenon of the end face temperature apparently higher than center section temperature.Effect of end surface
Make heating-up temperature skewness, the quick Cooling Quenching of next step can be influenceed to work, wind-powered electricity generation bull gear is axially easy along gear
Tooth face hardness non-uniform phenomenon is produced, if hardness distributing homogeneity is unqualified, gear will be scrapped, bring serious economic damage
Lose.During the sensing heating to bull gear, its speed parameter is tested by workman according to practical production experience, experiment
Cycle is long, and cost is high.
The fast development of computer technology, the analog study for the portable sensing heating process of bull gear provides possibility,
Combined by Computer Simulation with experiment, its research cycle will be greatly shortened.Meanwhile, China's heat treatment and top layer modification technology road
Line chart goes out in referring to：Study and set up the irregular figure key member sensitive surface quenching technology system such as travelling gear and industry " be
Induction heat treatment is in one of following 5-10 technical goal；Exigence completes to be directed to large gear, axle before the year two thousand twenty
Research induction hardening new technology is held, quenching soft ribbons is eliminated, improves the combination property of part；Urgent need was counted before 2018
Application study new technology development of the calculation machine analogue technique in induction heat treatment process, impewdance matching is carried out using computer software
Process debugging, passes through Computer Simulation Optimization inductor design.
For the research of the portable sensing heating computational methods of bull gear, it will help the influence of control effect of end surface, contracting
Short sawn timber experimental period, the further research to speed parameter provides reference.
The content of the invention
Can be to the portable sensing heating process of bull gear there is provided one kind present invention aims at deficiency of the prior art
Emulated, model can be changed according to actual needs, one kind of controllable research speed parameter is based on ANSYS emulation and put down
The computational methods of the portable sensing heating of the bull gear of platform.
For achieving the above object, the present invention is achieved by the following technical solutions：
A kind of computational methods of the portable sensing heating of the bull gear based on ANSYS emulation platforms, this method particular content
Comprise the following steps：
Step 1, according to the capital equipment and workpiece used during bull gear sensing heating, it is determined that joining needed for modeling
Number；According to the induction heating technology parameter used in production process, the recognizable equivalent parameters of software is determined；
Step 2, the parameter according to determined by step 1 set up initial analysis geometrical model, including inductor initial analysis is several
What model, workpiece initial analysis geometrical model and air field model, then addition uses material property parameter, grid division；
Apply boundary condition and respective loads, carry out initial electromagnetic heating coupling and calculate；The initial electromagnetic heating coupling is calculated as
Once modeling and mesh generation are carried out, the physical environment different by writing carries out the calculating and the calculating of heat of electromagnetism；First to work
Part carries out electromagnetism calculating, and the result that electromagnetism is calculated is as initial load, carries out hot calculating；
Step 3, extraction analyze all node temperatures of workpiece；The initial temperature that first time Extracting temperature is heated as motion
Degree, the node temperature extracted later is imparted on workpiece before emi analysis next time starts and corresponded on node；
Step 4, motion sensor, the parameter according to determined by step 1 set up motion analysis geometrical model, added material category
Property, the node temperature extracted in step 3 is assigned onto the one-to-one node of workpiece, applied by grid division in electromagnetism calculating
Boundary condition and load, carry out Electromagnetic Continuous heating coupling and calculate；The Electromagnetic Continuous heating coupling is calculated, and is first to carry out electromagnetism
Calculate, then remove former motion analysis geometrical model, re-establish new motion analysis geometrical model, the motion analysis geometrical model
Calculate motion analysis geometrical model used with electromagnetism identical, re-start mesh generation work, and using electromagnetism result of calculation as
Initial load, carries out hot calculating；
Step 5, repeat step 3~4, by realizing distance and corresponding sensing heating time that inductor moves every time
Carry out the movement velocity of control sensor, until completing whole calculate.
Due to using above-mentioned technical proposal, a kind of bull gear based on ANSYS emulation platforms that the present invention is provided is portable
The computational methods of sensing heating, compared with prior art with such beneficial effect：
1st, the present invention can be emulated to the portable sensing heating process of wind-powered electricity generation gear ring, can change model as needed several
What size, can carry out the change to speed parameter, simulation more closer to reality；
2nd, the present invention can carry out simulation analysis by changing physical parameter to the bull gear of different materials；
3rd, the present invention can help to eliminate the influence of effect of end surface, reduce temperature distributing disproportionation situation, improve sensing heating
Quality；
4th, the present invention can reduce experimental period by emulating, while ensureing that crudy is stable；
5th, whole simulation process is using ANSYS softwares as platform, and simulation process automatic operating is simple to operate.
Brief description of the drawings
Fig. 1 is the flow chart of the present invention；
Fig. 2 is a selected instance model figure of the invention；
Fig. 3 is a selected example FEM model mesh generation figure of the invention；
Fig. 4 is the selected example induction heating temperature distribution simulation figure of the present invention.
Drawing reference numeral：1- bull gears, 2- inductors.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
The present invention carries out simulation calculation, it is necessary to by the result of each step before for the portable sensing heating process of bull gear
Temperature is calculated as initial temperature, while the result that electromagnetism is calculated carries out CALCULATION OF THERMAL as load.
The flow chart of the present invention is as shown in figure 1, a kind of bull gear movable type sense based on ANSYS emulation platforms of the present invention
The computational methods that should be heated, this method particular content comprises the following steps：
Step 1, the capital equipment and workpiece used according to the sensing heating process of bull gear 1, it is determined that parameter needed for modeling；
According to the induction heating technology parameter used in production process, the recognizable equivalent parameters of software is determined.Step 2, according to really
Fixed parameter sets up initial analysis geometrical model, including the initial analysis geometrical model of inductor 2, workpiece initial analysis geometrical model
With air field model, then addition uses material properties, grid division；Apply boundary condition and respective loads, carry out just
The coupling of beginning Electromagnetic Heating is calculated.According to this step, and according to the physical dimension of a certain workpiece, the physical dimension of inductor used 2, build
Vertical illustraton of model as shown in Figure 2, carries out mesh generation, wherein dividing the FEM model grid of workpiece and the grid of inductor 2
Divide figure as shown in Figure 3.Input parameter used, writes related physical environment.Magnetic physical environment is read, electromagnetism calculating is carried out, obtains
To emi analysis result, ermal physics environment is then read in, the result of emi analysis is applied as load, carry out heat analysis meter
Calculate；When judging that calculating circulation time does not terminate, then magnetic is read in again and is calculated without ermal physics environment, terminates until the time, stops
Only this Electromagnetic Heating coupling is calculated.
All node temperatures of workpiece are analyzed in step 3, extraction；The initial temperature that first time Extracting temperature is heated as motion
Degree, the node temperature extracted later is imparted on workpiece before emi analysis next time starts and corresponded on node.Step 4,
Motion sensor 2, the parameter according to determined by step 1 sets up motion analysis geometrical model, and grid division will be extracted in step 3
Node temperature assign on the one-to-one node of workpiece, apply boundary condition and load, carry out Electromagnetic Continuous heating coupling meter
Calculate.The Electromagnetic Heating coupling of wherein this step is calculated, and electromagnetism calculating is carried out after temperature assignment terminates, magnetic analysis result is obtained,
Then corresponding with this emi analysis step motion analysis geometrical model is set up, related property parameter is inputted, carries out hot calculating.
After judging that the calculating of this step terminates, exit heat and calculate circulation.The physical parameter inputted before emi analysis is magnetic parameter, heat analysis
The physical parameter of preceding input is thermal parameter.
Step 5, when total motion analysis time is does not terminate, repeat step 3~4 is moved every time by realizing inductor 2
Distance and corresponding sensing heating time carry out the movement velocity of control sensor.
After the completion of overall movement, then the corresponding portable sensing heating of the bull gear 1 carried out by this method, which is calculated, ties
Beam.
By the inventive method, according to above-mentioned steps, the portable sensing heating simulated temperature point of selected instance model
Cloth situation to parameter as shown in figure 4, can modify according to simulation scenarios and optimize further sunykatuib analysis, shorten the cycle, improve
Efficiency.
Claims (1)
1. a kind of computational methods of the portable sensing heating of the bull gear based on ANSYS emulation platforms, it is characterised in that：This method
Particular content comprises the following steps：
Step 1, according to the capital equipment and workpiece used during bull gear sensing heating, it is determined that parameter needed for modeling；Root
According to the induction heating technology parameter used in production process, the recognizable equivalent parameters of software is determined；
Step 2, the parameter according to determined by step 1 set up initial analysis geometrical model, including inductor initial analysis geometry mould
Type, workpiece initial analysis geometrical model and air field model, then addition use material property parameter, grid division；Apply
Boundary condition and respective loads, carry out initial electromagnetic heating coupling and calculate；The initial electromagnetic heating coupling is calculated as carrying out
Once model and mesh generation, the physical environment different by writing carries out the calculating and the calculating of heat of electromagnetism；First workpiece is entered
Row electromagnetism is calculated, and the result that electromagnetism is calculated is as initial load, carries out hot calculating；
Step 3, extraction analyze all node temperatures of workpiece；The initial temperature that first time Extracting temperature is heated as motion,
The node temperature extracted later is imparted on workpiece before emi analysis next time starts and corresponded on node；
Step 4, motion sensor, the parameter according to determined by step 1 set up motion analysis geometrical model, added material attribute,
Grid division, the node temperature extracted in step 3 is assigned onto the one-to-one node of workpiece, apply border in electromagnetism calculating
Condition and load, carry out Electromagnetic Continuous heating coupling and calculate；The Electromagnetic Continuous heating coupling is calculated, and is first to carry out electromagnetism meter
Calculate, then remove former motion analysis geometrical model, re-establish new motion analysis geometrical model, the motion analysis geometrical model with
It is identical that electromagnetism calculates motion analysis geometrical model used, re-starts mesh generation work, and using electromagnetism result of calculation as first
Beginning load, carries out hot calculating；
Step 5, repeat step 3~4, are controlled by realizing distance that inductor moves every time and corresponding sensing heating time
The movement velocity of inductor processed, until completing whole calculate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710247982.8A CN107169166B (en) | 2017-04-17 | 2017-04-17 | Large gear ring mobile induction heating calculation method based on ANSYS simulation platform |
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| CN201710247982.8A CN107169166B (en) | 2017-04-17 | 2017-04-17 | Large gear ring mobile induction heating calculation method based on ANSYS simulation platform |
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Cited By (7)
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|---|---|---|---|---|
| CN109271711A (en) * | 2018-09-25 | 2019-01-25 | 重庆大学 | A kind of comentation hardening gear finite element modeling method considering uneven characteristic |
| CN110147645A (en) * | 2019-06-13 | 2019-08-20 | 燕山大学 | Validation of Simulation Models, method for building up and application during thin-wall copper pipe welding production |
| CN110162897A (en) * | 2019-05-28 | 2019-08-23 | 燕山大学 | A kind of big diameter elbow heating magnetizer optimization method |
| CN111353250A (en) * | 2020-03-05 | 2020-06-30 | 燕山大学 | Helical gear spiral type induction heating simulation method based on ANSYS simulation platform |
| CN111414666A (en) * | 2020-03-11 | 2020-07-14 | 燕山大学 | Design method for obtaining precision wind power gear ring heater |
| CN113204848A (en) * | 2021-05-18 | 2021-08-03 | 燕山大学 | Numerical simulation method for induction heating process of large-modulus rack |
| CN115193928A (en) * | 2022-06-24 | 2022-10-18 | 福州大学 | Numerical simulation-based induction heating process method for edge of roller of aluminum strip cold rolling mill |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109271711A (en) * | 2018-09-25 | 2019-01-25 | 重庆大学 | A kind of comentation hardening gear finite element modeling method considering uneven characteristic |
| CN110162897A (en) * | 2019-05-28 | 2019-08-23 | 燕山大学 | A kind of big diameter elbow heating magnetizer optimization method |
| CN110147645A (en) * | 2019-06-13 | 2019-08-20 | 燕山大学 | Validation of Simulation Models, method for building up and application during thin-wall copper pipe welding production |
| CN110147645B (en) * | 2019-06-13 | 2020-11-13 | 燕山大学 | Simulation model verification and establishment method and application in thin-wall copper pipe welding production process |
| CN111353250A (en) * | 2020-03-05 | 2020-06-30 | 燕山大学 | Helical gear spiral type induction heating simulation method based on ANSYS simulation platform |
| CN111353250B (en) * | 2020-03-05 | 2022-03-11 | 燕山大学 | Helical gear spiral type induction heating simulation method based on ANSYS simulation platform |
| CN111414666A (en) * | 2020-03-11 | 2020-07-14 | 燕山大学 | Design method for obtaining precision wind power gear ring heater |
| CN111414666B (en) * | 2020-03-11 | 2022-02-11 | 燕山大学 | Design method for obtaining precision wind power gear ring heater |
| CN113204848A (en) * | 2021-05-18 | 2021-08-03 | 燕山大学 | Numerical simulation method for induction heating process of large-modulus rack |
| CN113204848B (en) * | 2021-05-18 | 2022-03-15 | 燕山大学 | Numerical simulation method for induction heating process of large-modulus rack |
| CN115193928A (en) * | 2022-06-24 | 2022-10-18 | 福州大学 | Numerical simulation-based induction heating process method for edge of roller of aluminum strip cold rolling mill |
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