CN106777682A - The analogy method and device of a kind of recipient 3-D stree field - Google Patents
The analogy method and device of a kind of recipient 3-D stree field Download PDFInfo
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- CN106777682A CN106777682A CN201611153478.3A CN201611153478A CN106777682A CN 106777682 A CN106777682 A CN 106777682A CN 201611153478 A CN201611153478 A CN 201611153478A CN 106777682 A CN106777682 A CN 106777682A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/36—Circuit design at the analogue level
- G06F30/367—Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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Abstract
The invention discloses the analogy method and device of a kind of recipient 3-D stree field, the analogy method includes setting up 3-D geometric model；Heating simulation is carried out to recipient according to the recipient 3-D geometric model and the heating bearing 3-D geometric model；Heating simulation is carried out to extrusion billet according to the extrusion billet 3-D geometric model and the heating bearing 3-D geometric model；Heating simulation is carried out to compression tool according to the compression tool 3-D geometric model and the heating bearing 3-D geometric model；Heating simulation is carried out to extrusion die according to the extrusion die 3-D geometric model and the heating bearing 3-D geometric model；And heating model is merged to form recipient compression model, extrusion simulation is carried out to recipient, to obtain recipient 3-D stree field.The present invention makes the extrusion simulation of recipient more conform to actual condition, and then improves simulation precision.
Description
Technical field
The present invention relates to a kind of 3-D stree field analogy method and analogue means, in particular to a kind of recipient
3-D stree field analogy method and analogue means.
Background technology
As extruder develops to maximization, high-endization, to recipient feature and reliability requirement also more and more higher, enter
And cause to extrude barrel structure even more complex, important thin portion structure is on the increase, and this also causes that recipient Intensity Design difficulty increases.
Recipient 3-D stree field is the important indicator of recipient Intensity Design, and accurate 3-D stree field result of calculation is to Intensity Design
With important references value.
At present, recipient load boundary condition applying method is that static load is uniformly put on recipient liner inwall,
There is bigger difference in this, relatively conservative result of calculation causes recipient configuration design size bigger than normal, is manufactured into actual condition
This also remains high, and seriously hinders the lifting of extruder overall design level.
The content of the invention
For the problem that prior art is present, can be accurately reflected under dynamic load it is an object of the invention to provide one kind
The actual condition of recipient, accurately to obtain the analogy method and analogue means of recipient dynamic load 3-D stree field.
To achieve the above object, the analogy method of recipient 3-D stree field of the invention, comprises the following steps：
Set up recipient 3-D geometric model, extrusion billet 3-D geometric model, compression tool 3-D geometric model and squeeze
Compression mould 3-D geometric model；
Instrument is created using the second geometrical model set up heating bearing 3-D geometric model；
Recipient is heated according to the recipient 3-D geometric model and the heating bearing 3-D geometric model
Simulation, to obtain the first heating model；
Extrusion billet is carried out according to the extrusion billet 3-D geometric model and the heating bearing 3-D geometric model
Heating simulation, to obtain the second heating model；
Compression tool is carried out according to the compression tool 3-D geometric model and the heating bearing 3-D geometric model
Heating simulation, to obtain the 3rd heating model；
Extrusion die is carried out according to the extrusion die 3-D geometric model and the heating bearing 3-D geometric model
Heating simulation, to obtain the 4th heating model；And
First heating model, the second heating model, the 3rd heating model and the 4th heating model are merged to form crowded
Pressure cylinder compression model, extrusion simulation is carried out to recipient, to obtain recipient 3-D stree field.
According to an embodiment of the present invention, it is several according to the recipient 3-D geometric model and the heating bearing three-dimensional
What model carries out heating simulation to recipient includes：
The recipient 3-D geometric model is arranged on the heating bearing 3-D geometric model；
The heating bearing 3-D geometric model is set to rigid body, each layer of the recipient 3-D geometric model is set
It is deformable body；
To each layer of the recipient 3-D geometric model and heating bearing 3-D geometric model addition boundary condition,
And by the contact relation between each layer and heating bearing that contact table parameter setting recipient, heated mould is carried out to recipient
Intend.
According to an embodiment of the present invention, it is three-dimensional according to the extrusion billet 3-D geometric model and the heating bearing
Geometrical model carries out heating simulation to extrusion billet to be included：
The extrusion billet 3-D geometric model is arranged on the heating bearing 3-D geometric model；
The heating bearing 3-D geometric model is set to rigid body, the extrusion billet 3-D geometric model is set to can
Deformable body；
To the extrusion billet 3-D geometric model and heating bearing 3-D geometric model addition boundary condition, and lead to
The contact relation crossed between contact table parameter setting extrusion billet and heating bearing, heating simulation is carried out to extrusion billet.
According to an embodiment of the present invention, it is three-dimensional according to the compression tool 3-D geometric model and the heating bearing
Geometrical model carries out heating simulation to compression tool to be included：
The compression tool 3-D geometric model is arranged on the heating bearing 3-D geometric model；
The heating bearing 3-D geometric model is set to rigid body, the compression tool 3-D geometric model is set to can
Deformable body；
To the compression tool 3-D geometric model and heating bearing 3-D geometric model addition boundary condition, and lead to
The contact relation crossed between contact table parameter setting compression tool and heating bearing, heating simulation is carried out to compression tool.
According to an embodiment of the present invention, it is three-dimensional according to the extrusion die 3-D geometric model and the heating bearing
Geometrical model carries out heating simulation to extrusion die to be included：
The extrusion die 3-D geometric model is arranged on the heating bearing 3-D geometric model；
The heating bearing 3-D geometric model is set to rigid body, the extrusion die 3-D geometric model is set to can
Deformable body；
To the extrusion die 3-D geometric model and heating bearing 3-D geometric model addition boundary condition, and lead to
The contact relation crossed between contact table parameter setting extrusion die and heating bearing, heating simulation is carried out to extrusion die.
According to an embodiment of the present invention, by first heating model, the second heating model, the 3rd heating model and
4th heating model merges to form recipient compression model, and carrying out extrusion simulation to recipient includes：
According to the installation diagram of recipient compression model by first heating model, the second heating model, the 3rd heated mould
Type and the 4th heating model merge to form recipient compression model；
The recipient compression model is set to deformable body；
To the recipient compression model add boundary condition, and by contact table parameter setting recipient, extrusion billet,
Contact relation between compression tool and extrusion die, extrusion simulation is carried out to recipient.
According to an embodiment of the present invention, the boundary condition includes material, grid, friction and temperature.
The analogue means of recipient 3-D stree field of the invention, including：
First modeling unit, creates instrument and sets up recipient 3-D geometric model, extrusion billet using the first geometrical model
3-D geometric model, compression tool 3-D geometric model and extrusion die 3-D geometric model；
Second modeling unit, creates instrument and sets up heating bearing 3-D geometric model using the second geometrical model；
First heating analogue unit, according to the recipient 3-D geometric model and the heating bearing 3-D geometric model
Heating simulation is carried out to recipient, to obtain the first heating model；
Second heating analogue unit, according to the extrusion billet 3-D geometric model and the heating bearing three-dimensional geometry mould
Type carries out heating simulation to extrusion billet, to obtain the second heating model；
3rd heating analogue unit, according to the compression tool 3-D geometric model and the heating bearing three-dimensional geometry mould
Type carries out heating simulation to compression tool, to obtain the 3rd heating model；
4th heating analogue unit, according to the extrusion die 3-D geometric model and the heating bearing three-dimensional geometry mould
Type carries out heating simulation to extrusion die, to obtain the 4th heating model；And
Extrusion simulation unit, by first heating model, the second heating model, the 3rd heating model and the 4th heated mould
Type merges to form recipient compression model, and extrusion simulation is carried out to recipient, to obtain recipient 3-D stree field.
According to an embodiment of the present invention, the extrusion simulation unit includes：
Merging module, according to the installation diagram of recipient compression model by first heating model, the second heating model,
Three heating models and the 4th heating model merge to form recipient compression model；
Setting module, deformable body is set to by the recipient compression model；
Analog module, to the recipient compression model add boundary condition, and by contact table parameter setting recipient,
Contact relation between extrusion billet, compression tool and extrusion die, extrusion simulation is carried out to recipient.
According to an embodiment of the present invention, the boundary condition includes material, grid, friction and temperature.
The present invention is to influenceing the recipient of recipient extrusion simulation result, compression tool, extrusion billet and extrusion die
Simulation is respectively heated, and extrusion simulation is carried out to recipient with reference to above-mentioned analog result, make the extrusion simulation of recipient more
Plus meet actual condition, and then improve simulation precision.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited
It is open.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the analogy method of the recipient 3-D stree field of one embodiment of the invention；
Fig. 2 is to extruding in Fig. 1 according to the recipient 3-D geometric model and the heating bearing 3-D geometric model
Cylinder heat the schematic flow sheet of simulation；
Fig. 3 is to squeezing in Fig. 1 according to the extrusion billet 3-D geometric model and the heating bearing 3-D geometric model
Pressed compact material heat the schematic flow sheet of simulation；
Fig. 4 is to squeezing in Fig. 1 according to the compression tool 3-D geometric model and the heating bearing 3-D geometric model
Pressure instrument heat the schematic flow sheet of simulation；
Fig. 5 is to squeezing in Fig. 1 according to the extrusion die 3-D geometric model and the heating bearing 3-D geometric model
Compression mould heat the schematic flow sheet of simulation；
Fig. 6 carries out the schematic flow sheet of extrusion simulation for the recipient of one embodiment of the invention；
Fig. 7 is the structural representation of the analogue means of the recipient 3-D stree field of one embodiment of the invention.
Specific embodiment
Fig. 1 is the schematic flow sheet of the analogy method of the recipient 3-D stree field of one embodiment of the invention.Such as Fig. 1 institutes
Show that the analogy method of recipient 3-D stree field of the invention comprises the following steps：
Step S10：Set up heating bearing 3-D geometric model, recipient 3-D geometric model, extrusion billet three-dimensional geometry
Model, compression tool 3-D geometric model and extrusion die 3-D geometric model.Wherein, heating bearing 3-D geometric model and
Recipient 3-D geometric model, extrusion billet 3-D geometric model, compression tool 3-D geometric model and extrusion die three-dimensional are several
What model can be modeled using two kinds of modeling softwares, and such as heating bearing model structure is simple and less demanding, utilizes
Simufact software modelings function convenient can realize that eliminating model derives steps for importing, improves modeling efficiency, and extrudes
Cylinder, extrusion billet, compression tool and structure of extrusion are complex, and using SolidWorks software modelings, what is created adds
Hot bearing 3-D geometric model, recipient 3-D geometric model, extrusion billet 3-D geometric model, compression tool three-dimensional geometry mould
Type and extrusion die 3-D geometric model are preserved with document form, are called for item file, preserve file form according to
Modeling software and it is otherwise varied, the preservation form of such as file is * .stl.In addition, can be by for the ease of later stage Selection and call
The filename of 3-D geometric model is for example saved as heating bearing 3-D geometric model with corresponding geometrical model name nominating
Bearing .stl is heated, recipient 3-D geometric model is saved as recipient .stl, extrusion billet 3-D geometric model is preserved
Compression tool .stl is saved as extrusion billet .stl, by compression tool 3-D geometric model, by extrusion die three-dimensional geometry mould
Type saves as extrusion die .stl.
Step S20：According to the recipient 3-D geometric model and the heating bearing 3-D geometric model to recipient
Heating simulation is carried out, to obtain the first heating model.
Fig. 2 is to extruding in Fig. 1 according to the recipient 3-D geometric model and the heating bearing 3-D geometric model
Cylinder heat the schematic flow sheet of simulation.Simulation is individually heated to recipient can be soft using metal forming simulation
Part Simufact is simulated, such as by simufact software creations item file 1, and recipient model file is extruded
Cylinder .stl is directed into item file 1, is assembled by recipient Model Mounting total figure, then again will the model file heating of heating bearing
Bearing .stl is also introduced into item file 1, then carries out the independent heating of recipient after configuration parameters according to the following steps
Simulation.As shown in Fig. 2 being entered to recipient according to the recipient 3-D geometric model and the heating bearing 3-D geometric model
Row heating simulation steps include：
Step S201：The recipient 3-D geometric model is arranged on the heating bearing 3-D geometric model.
Step S202：The heating bearing 3-D geometric model is set to rigid body, the recipient 3-D geometric model
Each layer be set to deformable body；
Step S203：Added to each layer of the recipient 3-D geometric model and the heating bearing 3-D geometric model
The First Boundary Conditions such as material, grid, friction, temperature, and by contacting each layer and heating bearing of table parameter setting recipient
Between contact relation, heating simulation is carried out to recipient.
For example, First Boundary Condition and contact table parameter that heating simulation addition is carried out to recipient are as follows：
Recipient liner, middle lining material are H13 mould steel, and lagging material is 5CrNiMo mould steel；Recipient trellis-type
It is Slmesh Tetra, liner grid cell size is 10mm, and middle lining unit size is 15mm, and sheath unit size is 20mm,
Said units size can take into account computational accuracy and allocation of computer determines；Recipient liner and heating bearing, liner and middle lining, in
Lining is static friction with the friction type of overcoat, and coefficient of friction is 0.3；Each layer temperature of recipient is room temperature, is set as 20
DEG C, heating furnace Furnace temperature are 450 DEG C, and heating pedestal temperature is identical with furnace temp；Recipient liner with
Heating bearing contact, direction Direction is 1st to 2nd, and type Type is Glued, and liner is contacted with middle lining, direction
Direction is Automatic, and type Type is Touching, and magnitude of interference Interference closure are 0.5, middle lining
Contacted with overcoat, direction Direction is Automatic, type Type is Touching, magnitude of interference Interference
Closure is 0.7, and recipient and heating bearing are 1/4 model, set up symmetrical plane Symmetry1, Symmetry2, extrude
Contacted between cylinder and heating bearing and symmetrical plane, direction Direction is 1st to 2nd, and type Type is
Touching。
Heating simulation is carried out to recipient according to above-mentioned technological parameter can obtain the first heating model, the first heating model
Result be named as the item file 1 of " Heating container ", the analog result of the first heating model includes recipient
Deformation, stress, temperature field etc., use so that the heating analog result with other models merges.Above listed heated mould is proposed
Determine parameter use only for the purpose of illustration, parameter can be changed accordingly according to actual needs, the present invention is not limited thereto.
Step S30：According to the extrusion billet 3-D geometric model and the heating bearing 3-D geometric model to extruding
Blank carries out heating simulation, to obtain the second heating model.
Fig. 3 is to squeezing in Fig. 1 according to the extrusion billet 3-D geometric model and the heating bearing 3-D geometric model
Pressed compact material heat the schematic flow sheet of simulation.Simulation is individually heated to extrusion billet can use metal forming
Simulation softward Simufact is simulated, such as by simufact software creations item file 2 and extrusion billet model is literary
Part extrusion billet .stl is directed into item file 2, then again will heating bearing model file heating bearing .stl be also introduced into
In item file 2, the independent heating simulation of extrusion billet is then carried out after configuration parameters according to the following steps.As shown in figure 3,
Heating simulation is carried out to extrusion billet according to the extrusion billet 3-D geometric model and the heating bearing 3-D geometric model
Step includes：
Step S301：The extrusion billet 3-D geometric model is arranged on the heating bearing 3-D geometric model；
Step S302：The heating bearing 3-D geometric model is set to rigid body, the extrusion billet three-dimensional geometry mould
Type is set to deformable body；
Step S303：To the extrusion billet 3-D geometric model and heating bearing 3-D geometric model addition material
The second boundaries such as material, grid, friction, temperature, and by contacting between table parameter setting extrusion billet and heating bearing
Contact relation, heating simulation is carried out to extrusion billet.
For example, second boundary and contact table parameter that heating simulation addition is carried out to extrusion billet are as follows：
Extrusion billet material is H13 mould steel；Extrusion billet trellis-type is Slmesh Tetra, and grid cell size is
10mm, unit size can take into account computational accuracy and allocation of computer determines；Extrusion billet is storehouse with the friction type of heating bearing
Logical sequence rubs, and coefficient of friction is 0.3；Extrusion billet temperature is room temperature, is set as 20 DEG C, heating furnace Furnace
Temperature is 500 DEG C, and heating pedestal temperature is identical with furnace temp；Extrusion billet is contacted with heating bearing, direction
Direction is 1st to 2nd, and type Type is Glued；Extrusion billet and heating bearing are 1/4 model, set up symmetrical
Plane Symmetry1, Symmetry2, contacts between extrusion billet and heating bearing and symmetrical plane, and direction Direction is equal
It is 1st to 2nd, type Type is Touching.
Heating simulation is carried out to extrusion billet according to above-mentioned technological parameter can obtain the second heating model, the second heated mould
The result of type is named as the item file 2 of " Heating billet ", and the analog result of the second heating model includes extrusion billet
Deformation, stress, temperature field etc., used so that the heating analog result with other models merges.Above listed heating simulation
Setup parameter use only for the purpose of illustration, can be changed accordingly to parameter according to actual needs, the present invention not as
Limit.
Step S40 is according to the compression tool 3-D geometric model and the heating bearing 3-D geometric model to extruding work
Tool carries out heating simulation, to obtain the 3rd heating model.
Fig. 4 is to squeezing in Fig. 1 according to the compression tool 3-D geometric model and the heating bearing 3-D geometric model
Pressure instrument heat the schematic flow sheet of simulation.Simulation is individually heated to compression tool can use metal forming
Simulation softward Simufact is simulated, such as by simufact software creations item file 3 and compression tool model is literary
Part compression tool .stl is directed into item file 3, then again will heating bearing model file heating bearing .stl be also introduced into
In item file 3, the independent heating simulation of compression tool is then carried out after configuration parameters according to the following steps.As shown in figure 4,
Heating simulation is carried out to compression tool according to the compression tool 3-D geometric model and the heating bearing 3-D geometric model
Step includes：
Step S401：The compression tool 3-D geometric model is arranged on the heating bearing 3-D geometric model；
Step S402：The heating bearing 3-D geometric model is set to rigid body, the compression tool three-dimensional geometry mould
Type is set to deformable body；
Step S403：To the compression tool 3-D geometric model and heating bearing 3-D geometric model addition material
The third boundary conditions such as material, grid, friction, temperature, and by contacting between table parameter setting compression tool and heating bearing
Contact relation, heating simulation is carried out to compression tool.
For example, third boundary condition and contact table parameter that heating simulation addition is carried out to compression tool are as follows：
Compression tool material is H13 mould steel；Compression tool trellis-type is Slmesh Tetra, and grid cell size is
10mm, unit size can take into account computational accuracy and allocation of computer determines；Compression tool is storehouse with the friction type of heating bearing
Logical sequence rubs, and coefficient of friction is 0.3；Compression tool temperature is room temperature, is set as 20 DEG C, heating furnace Furnace
Temperature is 450 DEG C, and heating pedestal temperature is identical with furnace temp；Compression tool is contacted with heating bearing, direction
Direction is 1st to 2nd, and type Type is Glued；Compression tool and heating bearing are 1/4 model, set up symmetrical
Plane Symmetry1, Symmetry2, contacts between compression tool and heating bearing and symmetrical plane, and direction Direction is equal
It is 1st to 2nd, type Type is Touching.
Heating simulation is carried out to compression tool according to above-mentioned technological parameter can obtain the 3rd heating model, the 3rd heated mould
The result of type is named as the item file 3 of " Heating tool ", and the analog result of the 3rd heating model includes compression tool
Deformation, stress, temperature field etc., use so that the heating analog result with other models merges.Above listed heated mould is proposed
Determine parameter use only for the purpose of illustration, parameter can be changed accordingly according to actual needs, the present invention is not limited thereto.
Step S50：According to the extrusion die 3-D geometric model and the heating bearing 3-D geometric model to extruding
Mould carries out heating simulation, to obtain the 4th heating model.
Fig. 5 is to squeezing in Fig. 1 according to the extrusion die 3-D geometric model and the heating bearing 3-D geometric model
Compression mould heat the schematic flow sheet of simulation.Simulation is individually heated to extrusion die can use metal forming
Simulation softward Simufact is simulated, such as by simufact software creations item file 4 and extrusion die model is literary
Part extrusion die .stl is directed into item file 4, then again will heating bearing model file heating bearing .stl be also introduced into
In item file 4, the independent heating simulation of extrusion die is then carried out after configuration parameters according to the following steps.As shown in figure 5,
Heating simulation is carried out to extrusion die according to the extrusion die 3-D geometric model and the heating bearing 3-D geometric model
Step includes：
Step S501：The extrusion die 3-D geometric model is arranged on the heating bearing 3-D geometric model；
Step S502：The heating bearing 3-D geometric model is set to rigid body, the extrusion die three-dimensional geometry mould
Type is set to deformable body；
Step S503：To the extrusion die 3-D geometric model and heating bearing 3-D geometric model addition material
The boundary condition of material, grid, friction, temperature etc. the 4th, and by contacting between table parameter setting extrusion die and heating bearing
Contact relation, heating simulation is carried out to extrusion die.
For example, the 4th boundary condition and contact table parameter that heating simulation addition is carried out to extrusion die are as follows：
Extrusion die material is H13 mould steel；Extrusion die trellis-type is Slmesh Tetra, and grid cell size is
10mm, unit size can take into account computational accuracy and allocation of computer determines；Extrusion die is storehouse with the friction type of heating bearing
Logical sequence rubs, and coefficient of friction is 0.3；Extrusion die temperature is room temperature, is set as 20 DEG C, heating furnace Furnace
Temperature is 450 DEG C, and heating pedestal temperature is identical with furnace temp；Extrusion die is contacted with heating bearing, direction
Direction is 1st to 2nd, and type Type is Glued；Extrusion die and heating bearing are 1/4 model, set up symmetrical
Plane Symmetry1, Symmetry2, contacts between extrusion die and heating bearing and symmetrical plane, and direction Direction is equal
It is 1st to 2nd, type Type is Touching.
Heating simulation is carried out to extrusion die according to above-mentioned technological parameter can obtain the 4th heating model, the 4th heated mould
The result of type is named as the item file 4 of " Heating die ", and the analog result of the 4th heating model includes the change of extrusion die
Shape, stress, temperature field etc., use so that the heating analog result with other models merges.Above listed heated mould proposes fixed
Parameter use only for the purpose of illustration, can be changed accordingly to parameter according to actual needs, and the present invention is not limited thereto.
Step S60：First heating model, the second heating model, the 3rd heating model and the 4th heating model are closed
And recipient compression model is formed, extrusion simulation is carried out to recipient, to obtain recipient 3-D stree field.
Fig. 6 carries out the schematic flow sheet of extrusion simulation for the recipient of one embodiment of the invention.Recipient carries out extrusion die
Intend the analog result that each model is individually heated more than.Extrusion simulation is carried out to recipient can use metal forming mould
Intend software Simufact to be simulated, such as by simufact software creations item file 5, and above-mentioned projects file is added
Model amalgamation result is directed into item file 5 after thermal simulation, then carries out recipient after configuration parameters according to the following steps
Extrusion simulation.As shown in fig. 6, according to the extrusion die 3-D geometric model and the heating bearing 3-D geometric model pair
Extrusion die carries out heating simulation steps to be included：
Step S601：According to the installation diagram of recipient compression model by first heating model, the second heating model,
Three heating models and the 4th heating model merge to form recipient compression model；
Step S602：The recipient compression model is set to deformable body；
Step S603：To the 5th boundary conditions such as the recipient compression model added material, grid, friction, temperature, and
By contacting table parameter setting recipient, the contact relation between extrusion billet, compression tool and extrusion die, recipient is entered
Row extrusion simulation, obtains recipient dynamic load 3-D stree field.
Recipient, compression tool, extruding embryo material and extrusion die of the present invention to influence recipient extrusion simulation result
Simulation is respectively heated, and extrusion simulation is carried out to recipient with reference to above-mentioned analog result, make the extrusion simulation of recipient more
Plus meet actual condition, and then improve simulation precision.
Fig. 7 is the structural representation of the analogue means of the recipient 3-D stree field of one embodiment of the invention.Such as Fig. 7 institutes
Show, the analogue means of recipient 3-D stree field includes：Modeling unit 701, sets up heating bearing 3-D geometric model, recipient
3-D geometric model, extrusion billet 3-D geometric model, compression tool 3-D geometric model and extrusion die 3-D geometric model；
Heating analogue unit 702, for being respectively heated simulation to recipient, extruding embryo material, compression tool and extrusion die, for example
The first heating analogue unit can be included, according to the recipient 3-D geometric model and the heating bearing 3-D geometric model
Heating simulation is carried out to recipient, to obtain the first heating model；Second heating analogue unit, it is three-dimensional according to the extrusion billet
Geometrical model and the heating bearing 3-D geometric model carry out heating simulation to extrusion billet, to obtain the second heating model；
3rd heating analogue unit, according to the compression tool 3-D geometric model and the heating bearing 3-D geometric model to extruding
Instrument carries out heating simulation, to obtain the 3rd heating model；4th heating analogue unit, according to the extrusion die three-dimensional geometry
Model and the heating bearing 3-D geometric model carry out heating simulation to extrusion die, to obtain the 4th heating model；And
Extrusion simulation unit 703, first heating model, the second heating model, the 3rd heating model and the 4th heating model are closed
And recipient compression model is formed, extrusion simulation is carried out to recipient, to obtain recipient 3-D stree field.
In the exemplary embodiment, the extrusion simulation unit 703 includes：Merging module, according to recipient compression model
Installation diagram first heating model, the second heating model, the 3rd heating model and the 4th heating model are merged to form crowded
Pressure cylinder compression model；Setting module, deformable body is set to by the recipient compression model；Analog module, to the extruding
Cylinder compression model addition boundary condition, and by contacting table parameter setting recipient, extrusion billet, compression tool and extrusion die
Between contact relation, extrusion simulation is carried out to recipient.
On the device in above-described embodiment, wherein modules perform the concrete mode of operation in relevant the method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Through the above description of the embodiments, those skilled in the art is it can be readily appreciated that example described herein is implemented
Mode can be realized by software, it is also possible to be realized by way of software is with reference to necessary hardware.Therefore, according to the disclosure
The technical scheme of implementation method can be embodied in the form of software product, and the software product can store non-volatile at one
Property storage medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) in or network on, including some instructions are causing a calculating
Equipment (can be personal computer, server, mobile terminal or network equipment etc.) is performed according to disclosure implementation method
Method.
Those skilled in the art considering specification and after putting into practice invention disclosed herein, will readily occur to it is of the invention its
Its embodiment.The application is intended to any modification of the invention, purposes or adaptations, these modifications, purposes or
Person's adaptations follow general principle of the invention and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
More than it is particularly shown and described the illustrative embodiments of the disclosure.It should be appreciated that the disclosure is not limited
In detailed construction described herein, set-up mode or implementation method；Conversely, the disclosure is intended to cover be included in appended claims
Spirit and scope in various modifications and equivalence setting.
Claims (10)
1. a kind of analogy method of recipient 3-D stree field, it is characterised in that comprise the following steps：
Set up heating bearing 3-D geometric model, recipient 3-D geometric model, extrusion billet 3-D geometric model, compression tool
3-D geometric model and extrusion die 3-D geometric model；
Heating simulation is carried out to recipient according to the recipient 3-D geometric model and the heating bearing 3-D geometric model,
To obtain the first heating model；
Extrusion billet is heated according to the extrusion billet 3-D geometric model and the heating bearing 3-D geometric model
Simulation, to obtain the second heating model；
Compression tool is heated according to the compression tool 3-D geometric model and the heating bearing 3-D geometric model
Simulation, to obtain the 3rd heating model；
Extrusion die is heated according to the extrusion die 3-D geometric model and the heating bearing 3-D geometric model
Simulation, to obtain the 4th heating model；And
First heating model, the second heating model, the 3rd heating model and the 4th heating model are merged to form recipient
Compression model, extrusion simulation is carried out to recipient, to obtain recipient 3-D stree field.
2. the analogy method of recipient 3-D stree field as claimed in claim 1, it is characterised in that according to the recipient three
Dimension geometrical model and the heating bearing 3-D geometric model carry out heating simulation to recipient to be included：
The recipient 3-D geometric model is arranged on the heating bearing 3-D geometric model；
The heating bearing 3-D geometric model is set to rigid body, each layer of the recipient 3-D geometric model is set to can
Deformable body；
To each layer of the recipient 3-D geometric model and heating bearing 3-D geometric model addition First Boundary Condition,
And by the contact relation between each layer and heating bearing that contact table parameter setting recipient, heated mould is carried out to recipient
Intend.
3. the analogy method of recipient 3-D stree field as claimed in claim 1, it is characterised in that according to the extrusion billet
3-D geometric model and the heating bearing 3-D geometric model carry out heating simulation to extrusion billet to be included：
The extrusion billet 3-D geometric model is arranged on the heating bearing 3-D geometric model；
The heating bearing 3-D geometric model is set to rigid body, the extrusion billet 3-D geometric model is set to deformable
Body；
To the extrusion billet 3-D geometric model and heating bearing 3-D geometric model addition second boundary, and lead to
The contact relation crossed between contact table parameter setting extrusion billet and heating bearing, heating simulation is carried out to extrusion billet.
4. the analogy method of recipient 3-D stree field as claimed in claim 1, it is characterised in that according to the compression tool
3-D geometric model and the heating bearing 3-D geometric model carry out heating simulation to compression tool to be included：
The compression tool 3-D geometric model is arranged on the heating bearing 3-D geometric model；
The heating bearing 3-D geometric model is set to rigid body, the compression tool 3-D geometric model is set to deformable
Body；
To the compression tool 3-D geometric model and heating bearing 3-D geometric model addition third boundary condition, and lead to
The contact relation crossed between contact table parameter setting compression tool and heating bearing, heating simulation is carried out to compression tool.
5. the analogy method of recipient 3-D stree field as claimed in claim 1, it is characterised in that according to the extrusion die
3-D geometric model and the heating bearing 3-D geometric model carry out heating simulation to extrusion die to be included：
The extrusion die 3-D geometric model is arranged on the heating bearing 3-D geometric model；
The heating bearing 3-D geometric model is set to rigid body, the extrusion die 3-D geometric model is set to deformable
Body；
The 4th boundary condition is added to the extrusion die 3-D geometric model and the heating bearing 3-D geometric model, and is led to
The contact relation crossed between contact table parameter setting extrusion die and heating bearing, heating simulation is carried out to extrusion die.
6. the analogy method of recipient 3-D stree field as claimed in claim 1, it is characterised in that by first heated mould
Type, the second heating model, the 3rd heating model and the 4th heating model merge to form recipient compression model, and recipient is carried out
Extrusion simulation includes：
According to recipient compression model installation diagram by first heating model, the second heating model, the 3rd heating model and
4th heating model merges to form recipient compression model；
The recipient compression model is set to deformable body；
To the recipient compression model add the 5th boundary condition, and by contact table parameter setting recipient, extrusion billet,
Contact relation between compression tool and extrusion die, extrusion simulation is carried out to recipient.
7. the analogy method of the recipient 3-D stree field as described in claim any one of 2-6, it is characterised in that the border
Condition includes material, grid, friction and temperature.
8. a kind of analogue means of recipient 3-D stree field, it is characterised in that including：
Modeling unit, sets up heating bearing 3-D geometric model, recipient 3-D geometric model, extrusion billet three-dimensional geometry mould
Type, compression tool 3-D geometric model and extrusion die 3-D geometric model；
First heating analogue unit, according to the recipient 3-D geometric model and the heating bearing 3-D geometric model to squeezing
Pressure cylinder carries out heating simulation, to obtain the first heating model；
Second heating analogue unit, according to the extrusion billet 3-D geometric model and the heating bearing 3-D geometric model pair
Extrusion billet carries out heating simulation, to obtain the second heating model；
3rd heating analogue unit, according to the compression tool 3-D geometric model and the heating bearing 3-D geometric model pair
Compression tool carries out heating simulation, to obtain the 3rd heating model；
4th heating analogue unit, according to the extrusion die 3-D geometric model and the heating bearing 3-D geometric model pair
Extrusion die carries out heating simulation, to obtain the 4th heating model；And
Extrusion simulation unit, first heating model, the second heating model, the 3rd heating model and the 4th heating model are closed
And recipient compression model is formed, extrusion simulation is carried out to recipient, to obtain recipient 3-D stree field.
9. the analogue means of recipient 3-D stree field as claimed in claim 8, it is characterised in that the extrusion simulation unit
Including：
Merging module, adds first heating model, the second heating model, the 3rd according to the installation diagram of recipient compression model
Thermal model and the 4th heating model merge to form recipient compression model；
Setting module, deformable body is set to by the recipient compression model；
Analog module, boundary condition is added to the recipient compression model, and by contacting table parameter setting recipient, extruding
Contact relation between blank, compression tool and extrusion die, extrusion simulation is carried out to recipient.
10. the analogue means of recipient 3-D stree field as claimed in claim 9, it is characterised in that the boundary condition bag
Include material, grid, friction and temperature.
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Cited By (1)
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| CN110750931A (en) * | 2019-10-18 | 2020-02-04 | 徐州工业职业技术学院 | Efficient section bar extrusion die design method |
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