CN108646689A - A kind of virtual method for manufacturing and system based on welding - Google Patents
A kind of virtual method for manufacturing and system based on welding Download PDFInfo
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- CN108646689A CN108646689A CN201810601429.4A CN201810601429A CN108646689A CN 108646689 A CN108646689 A CN 108646689A CN 201810601429 A CN201810601429 A CN 201810601429A CN 108646689 A CN108646689 A CN 108646689A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/41885—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by modeling, simulation of the manufacturing system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32339—Object oriented modeling, design, analysis, implementation, simulation language
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/40—Minimising material used in manufacturing processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention provides a kind of virtual method for manufacturing and system based on welding, the method includes：According to the base material of each welding point in product to be produced and the corresponding thermo-physical performance parameters of default welding material, elastic-plastic calculation, deformation analysis and stress analysis are carried out to each welding point, obtain the welding parameter and welding sequence of each welding point；The three-dimensional process model and three-dimensional process equipment of product to be produced are obtained according to the welding parameter of each welding point；According to the three-dimensional process model of product to be produced, three-dimensional process equipment and the welding sequence, the welding process model of product to be produced is generated based on three-dimensional off-line programing, and be adjusted to each process in welding procedural model；According to the welding process model after adjustment, product to be produced is virtually manufactured.The present invention reduces man power and material, shortens the production cycle of product to be produced.
Description
Technical field
The invention belongs to computer simulation technique fields, more particularly, to a kind of virtual manufacturing based on welding
Method and system.
Background technology
With the diversification of product demand, product structure design presents explosive growth.From new product to batch production
The trial-production period that process occurs is long, and design of feedback optimization is delayed therewith.In face of fierce market competition, manufactured from being designed into go into operation
The the period the short more can be cost-effective, is more easily opened selling market.
During product is tested or is gone into operation, need to occupy the manufacture experiment that work on the spot platform position carries out new product.
Traditional layout designs carry out statistical estimation using approximate construction, are changed repeatedly with optimize technique stream after completing process layout
Journey.On the one hand, floor space is increased, while influencing live product manufacturing, causes manpower and material in trial-manufacturing process
Waste, and need to take a significant amount of time.On the other hand, technological process and beat manufacture fully rely on experience, are unfavorable for accurately slapping
Hold the optimal flow of welding production manufacture.
Invention content
To overcome above-mentioned existing welding production manufacturing method time-consuming and laborious, and the inaccurate problem of welding process or extremely
It partially solves the above problems, the present invention provides a kind of virtual method for manufacturing and system based on welding.
According to the first aspect of the invention, a kind of virtual method for manufacturing based on welding is provided, including：
It is right according to the base material of each welding point in product to be produced and the corresponding thermo-physical performance parameters of default welding material
Each welding point carries out elastic-plastic calculation, deformation analysis and stress analysis, obtains the welding parameter of each welding point
And welding sequence；
The welding procedure of each welding point is obtained according to the welding parameter of each welding point high-volume and Welder
Anti-loaded deflection high-volume generates the three-dimensional process model of the product to be produced according to the welding procedure of each welding point,
The three-dimensional process equipment of the product to be produced is generated according to the welding tooling anti-deformation of each welding point；
According to the three-dimensional process model of the product to be produced, three-dimensional process equipment and the welding sequence, based on three-dimensional
Off-line programing generates the welding process model of the product to be produced, if the production capacity of the welding process model is less than default threshold
Value, then be adjusted each process in the welding process model, the production capacity of the welding process model after adjustment
More than or equal to the predetermined threshold value；
According to the welding process model after adjustment, the product to be produced is virtually manufactured.
Specifically, according to the base material of each welding point in product to be produced and the corresponding thermal physical characteristic of default welding material
Can parameter, further include before the step of carrying out elastic-plastic calculation, deformation analysis and stress analysis to each welding point:
For any base material sample, ermal physics are carried out to base material sample welding material sample corresponding with the base material sample
Performance test obtains one group of thermo-physical performance parameters；
According to each group thermo-physical performance parameters, thermo-physical performance parameters database is built；
According to the base material of each welding point in product to be produced and default welding material, in the thermo-physical performance parameters number
According to being inquired in library, the base material and the corresponding one group of thermophysical property ginseng of default welding material of each welding point are obtained
Number.
Specifically, the thermo-physical performance parameters include elasticity modulus, Poisson's ratio, shear modulus, tensile strength and surrender
It is one or more in intensity.
Specifically, according to the base material of each welding point in product to be produced and the corresponding thermophysical property of default welding material
Parameter carries out elastic-plastic calculation, deformation analysis and stress analysis to each welding point in the product to be produced, obtains each described
The step of welding parameter and welding sequence of welding point, specifically includes:
Based on modeling and simulating software and three-dimensional linking software, build the initial threedimensional model of product to be produced, determine described in
Welding point in initial threedimensional model；
Elastic-plastic calculation is carried out to each welding point based on numerical computations and optimization software, while to each welding
Connector carries out deformation analysis and stress analysis, obtains the welding parameter and welding sequence of each welding point.
Specifically, the welding procedure of each welding point is obtained high-volume according to the welding parameter of each welding point,
The step of high-volume generating the three-dimensional process model of the product to be produced according to the welding procedure of each welding point is specifically wrapped
It includes：
According to the welding parameter of each welding point, the post welding distortion amount of each welding point is obtained；
According to the post welding distortion amount to there are the welderings of welding contracted quantity in the initial threedimensional model of the product to be produced
Connector, which optimizes, obtains the welding procedure of each welding point high-volume；
The welding procedure is high-volume increased in the initial threedimensional model of the product to be produced, is generated described to be produced
The three-dimensional process model of product.
Specifically, the tooling anti-deformation of each welding point is obtained according to the welding parameter of each welding point,
The step of three-dimensional process equipment that the product to be produced is generated according to the welding tooling anti-deformation of each welding point, has
Body includes：
According to the welding parameter of each welding point, the deformation position of the initial threedimensional model is obtained；
According to the tooling anti-deformation of each deformation position, generates mechanics and clamp model；
Model is clamped according to the mechanics, generates the three-dimensional process equipment of the product to be produced；
The tooling anti-deformation includes boundary constraint point, reversal deformation amount and the acting in opposition of each deformation position
Power.
Specifically, the process in the welding process model includes in assembling, welding, polishing, detection, flaw detection and adjustment
It is one or more.
Specifically, each process in the welding process model is adjusted, the welding process after adjustment
Further include after the step of production capacity of model is more than or equal to the predetermined threshold value：
Calculate the welding quality of each process in the welding process model after adjustment, welding beat and welding material quota
In it is one or more.
A kind of virtual manufacturing system based on welding is provided according to a second aspect of the present invention, including：
Acquisition module, for according to the base material of each welding point in product to be produced and the corresponding hot object of default welding material
Performance parameter is managed, elastic-plastic calculation, deformation analysis and stress analysis are carried out to each welding point, obtains each described connect
The welding parameter and welding sequence of head；
Generation module, the welding procedure for obtaining each welding point according to the welding parameter of each welding point
High-volume with welding tooling anti-deformation, the three of the product to be produced are high-volume generated according to the welding procedure of each welding point
Process modeling is tieed up, the three-dimensional process that the product to be produced is generated according to the welding tooling anti-deformation of each welding point fills
It is standby；
Module is adjusted, for the three-dimensional process model, three-dimensional process equipment and the welding according to the product to be produced
Sequentially, the welding process model of the product to be produced is generated based on three-dimensional off-line programing, if the production of the welding process model
Predetermined threshold value can be less than, then each process in the welding process model is adjusted, the welding stream after adjustment
The production capacity of journey model is greater than or equal to the predetermined threshold value；
Module is produced, for according to the welding process model after adjustment, virtually being given birth to the product to be produced
Production manufacture.
According to the third aspect of the invention we, a kind of non-transient computer readable storage medium is provided, for storing such as preceding institute
State the computer program of method.
The present invention provides a kind of virtual method for manufacturing and system based on welding, and this method passes through according to production to be produced
The base material of each welding point and the corresponding thermo-physical performance parameters of default welding material, analyze each welding point in product,
The welding parameter and welding sequence of each welding point are obtained, and is given birth to according to welding parameter and welding sequence based on three-dimensional off-line programing
At the welding process model of product to be generated, product to be generated is virtually manufactured according to welding process model.This hair
Bright one side realizes that product to be produced carries out Visual Manufacturing, need not carry out trial production of new products, reduces man power and material；It is another
Aspect realizes the full process automation of product virtual manufacture to be produced and information-based reduction, shortens the production of product to be produced
Period.
Description of the drawings
Fig. 1 is the virtual method for manufacturing overall flow schematic diagram provided in an embodiment of the present invention based on welding；
Fig. 2 be in the virtual method for manufacturing provided in an embodiment of the present invention based on welding single machine to whole line device map
Flow diagram；
Fig. 3 is that welding value flow is shown in the virtual method for manufacturing provided in an embodiment of the present invention based on welding
It is intended to；
Fig. 4 is the virtual manufacturing system overall structure diagram provided in an embodiment of the present invention based on welding；
Fig. 5 is the virtual manufacturing equipment overall structure schematic diagram provided in an embodiment of the present invention based on welding.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
A kind of virtual method for manufacturing based on welding is provided in one embodiment of the invention, and Fig. 1 is the present invention
The virtual method for manufacturing overall flow schematic diagram based on welding that embodiment provides, this method include：S101, according to be generated
The base material and the corresponding thermo-physical performance parameters of default welding material for producing each welding point in product, bullet is carried out to each welding point
Plastic calculation, deformation analysis and stress analysis obtain the welding parameter and welding sequence of each welding point；
Wherein, product to be produced is the product for being ready for virtually manufacturing, and the present embodiment is not limited to product to be produced
Classification.Welding point is to be needed in product to be produced by welding the part being attached.The base material of welding point is welding
The material of connector itself, default welding material are the material for welding welding point being pre-selected.Welding point
Base material and default welding material may be the same or different.Thermo-physical performance parameters are characterized in using corresponding welding material
The various features that material is reflected when being welded to the base material of each welding point.Such as elasticity modulus and Poisson's ratio.Elastoplasticity meter
The elasticity and plasticity for referring to Welded Joints at last is calculated.It is selected for guarantee welding quality when welding parameter refers to welding
Physical quantity, such as welding current, arc voltage and heat input.Welding sequence is to be welded to each welding point in product to be produced
The sequencing connect.The present embodiment is by the base material of each welding point in product to be produced and the corresponding ermal physics of default welding material
Performance parameter carries out elastic-plastic calculation, deformation analysis and stress analysis as input, to each welding point, to obtain each connect
The welding parameter and welding sequence of head.
S102 obtains the welding procedure of each welding point high-volume according to the welding parameter of each welding point and welds
Tooling anti-deformation is connect, the three-dimensional process model of product to be produced is high-volume generated according to the welding procedure of each welding point, according to
The welding tooling anti-deformation of each welding point generates the three-dimensional process equipment of product to be produced；
Wherein, welding procedure high-volume according to after welding deflection and technique predeformation design obtain.Welding tooling contravariant
Shape amount refers to that weldment is artificially made to a deformation in advance, makes this deformation according to the rule for having occurred and that deformation in production
Mutually numerical value is equal instead with the deformation direction that occurs after welding.The deflection of each welding point is counted, as each welding
The welding deformation tolerance margins of connector.The deflection after each welding point welding is determined according to the welding parameter of each welding point,
The design of technique predeformation is exported, to obtain the welding procedure of each welding point high-volume.According to the welding procedure of each welding point
High-volume generate the three-dimensional process model of product to be produced.Welding tooling anti-deformation includes boundary constraint point, reversal deformation amount, anti-
To active force etc..Go out three-dimensional process equipment according to the welding tooling anti-deformation design of each welding point.
S103 joins according to the three-dimensional process model of product to be produced, three-dimensional process equipment, the welding sequence and welding
Number, the welding process model of product to be produced is generated based on three-dimensional off-line programing, is preset if the production capacity of welding process model is less than
Threshold value, then to welding procedural model in each process be adjusted, the production capacity of the welding process model after adjustment be more than or
Equal to the predetermined threshold value；
Wherein, the three-dimensional process model of product to be produced and technique three dimensional device are combined and are loaded into three-dimensional offline volume
In journey scene, while the welding process of product to be produced is simulated by three-dimensional off-line programing, realizes that the programming of workpiece and tooling are set
The anticipation of meter demand.Meanwhile the excessive position of welding deformation is carried out to rigidly fix design, and welding interference position is carried out whole
Reason statistics forms Fixture Design and automation off-line programing design.In addition, to the welding parameter and welding sequence of each welding point
Optimize, using after optimization welding sequence and welding parameter carry out off-line programing as basic parameter, and by welding parameter and weldering
It connects sequence and is loaded into welding system to be welded to each welding point.Off-line programing program is run, is obtained each in welding process
The productive temp of process.As shown in Fig. 2, carry out AOF calculation to the welding process of product to be produced, by be pre-designed three
It ties up three-dimensional workshop and loads each process, the equipment in each workshop is using gridding equipment.If the production capacity of welding process is less than
It is default prefabricated, then each process in welding procedural model is adjusted, to improve production capacity.It is filled a vacancy by production capacity and increases and decreases acquisition
The device layout figure of whole production line.For example, it is 120m* that all devices of automatic welding production line, which are laid out in 5 span length's degree,
120m is produced in wire grid, is connected up convenient for the migration of equipment, the production capacity formed after calculating is mapped to the production line stream of optimal location
Journey.
S104 virtually manufactures product to be produced according to the welding process model after adjustment.
Specifically, according to the final welding process model after adjustment, the manufacturing layout of product to be produced is divided
Analysis calculates, and calculates and determines personnel and number of devices needed for each process, establishes critical path in beat, optimize analysis, ensures
The segmentation of process is realized within the scope of beat.Then, the manufacturing of product to be produced layout is simulated, is manufactured
Layout includes personnel and the number of devices of each process.The beat that three-dimensional off-line programing is generated to automated production is loaded into APSEN
Equal softwares are verified to manufacturing layout, include the accordance of the material of three-dimensional process high-volume and three-dimensional tooling.If verification
As a result undesirable, then it is adjusted to generating manufacture layout.It is laid out according to the final manufacturing.
The present embodiment passes through according to the base material of each welding point in product to be produced and the corresponding hot object of default welding material
Performance parameter is managed, each welding point is analyzed, obtains the welding parameter and welding sequence of each welding point, and based on three-dimensional
Off-line programing generates the welding process model of product to be generated according to welding parameter and welding sequence, according to welding process model pair
Product to be generated is virtually manufactured.One aspect of the present invention is realized that product to be produced carries out Visual Manufacturing, need not be carried out
Trial production of new products reduces man power and material；On the other hand, the full process automation and information of product virtual manufacture to be produced are realized
Change and reduce, shortens the production cycle of product to be produced.
On the basis of the above embodiments, according to the base material of each welding point in product to be produced and in advance in the present embodiment
If the corresponding thermo-physical performance parameters of welding material, elastic-plastic calculation, deformation analysis and stress are carried out to each welding point
Further include before the step of analysis:For any base material sample, welding material corresponding with the base material sample to the base material sample
Sample carries out thermophysical property test, obtains one group of thermo-physical performance parameters；According to each group thermo-physical performance parameters, hot object is built
Rationality energy parameter database；According to the base material of each welding point in product to be produced and default welding material, in thermophysical property
It is inquired in parameter database, obtains the base material and the corresponding one group of thermophysical property ginseng of default welding material of each welding point
Number.
Specifically, thermophysical property test is carried out to each base material sample and the corresponding welding material sample of each base material sample,
Obtain one group of thermo-physical performance parameters.All thermo-physical performance parameters based on acquisition build physical property parameter database, example
Such as to base material sample Q345C and SMA490BW common used material and welding material sample carbon fiber, titanium alloy, it is superpower just etc.
Material etc. carries out thermophysical property test.
On the basis of the above embodiments, thermo-physical performance parameters include elasticity modulus, Poisson's ratio, shear in the present embodiment
It is one or more in modulus, tensile strength and yield strength.
On the basis of the above embodiments, according to the base material of each welding point in product to be produced and default in the present embodiment
The corresponding thermo-physical performance parameters of welding material carry out elastic-plastic calculation, deformation analysis to each welding point in product to be produced
And stress analysis, the step of welding parameter and welding sequence for obtaining each welding point, specifically include：Based on modeling and simulating software
It is connected software with three-dimensional, builds the initial threedimensional model of product to be produced, determine the welding point in initial threedimensional model；It is based on
Numerical computations carry out elastic-plastic calculation with optimization software to each welding point, while carrying out deformation analysis to each welding point and answering
Power is analyzed, and the welding parameter and welding sequence of each welding point are obtained.
Specifically, initial the three of product to be generated are built such as Ansys, Sysweld and Abqus using modeling and simulating software
Dimension module designs.The welding point in initial threedimensional model is determined, it is preferable to use CATIA softwares using three-dimensional linking software.
CATIA softwares are the high-grade CAD/CAM softwares of Dassault Internatioanl Bureau De Liaison Beijing's exploitation, have powerful song design function.It uses
CATIA softwares, and the format of initial threedimensional model is changed to general IGS or STP formats, it is follow-up different soft to be applied to
Part.On the basis of initial threedimensional model, according to design structure and manufacturing technology requirement, the technique for completing product to be produced is three-dimensional
G- Design, and to there are welding line structure and chamfering circular arc position progress first time design structure are perfect.By technological design structure three
Dimension figure imports numerical computations and optimization software, it is preferable to use SYSWELD softwares, to carry out elastic-plastic calculation to each welding point.
Meanwhile technological design structure imported into numerical computations and optimization software, it is preferable to use ABQUS softwares, with to each welding point into
Row deformation analysis and stress analysis obtain the welding parameter and welding sequence of each welding point.Then, according to each welding of calculating
The welding deformation amount of connector, re-optimization technique 3 d structure model obtain weldering to there are welding contracted quantity positions to optimize
The technique connect high-volume with welding pre-degeneration data.
As shown in figure 3, needing to consider cold and hot working contraction distortion amount in welding procedure implements manufacturing process, so welding
Technique needs to calculate the pre- allowance of blanking of anti-deformation, welding contracted quantity, designing material.By respectively being welded in product to be produced
The base material of connector and the corresponding thermophysical property test of default welding material and Heat-Source Parameters are checked, and are loaded to model structure
Theoretical weld seam increases non-process high-volume that is, in structural model, is counted to model structure by ABQUS and SYSWELD softwares
It calculates.Calculation process is：Mesh generation and improvement and optimization computation model；It loads vehicle and designs composite condition；Pass through elastoplastic finite
Source calculates, output preliminary deformation trend, stress concentration point；The theory three-dimensional model of design will high-volume be increased to, form three-dimensional work
Skill model；By the analysis of welding machine overall deformation trend, the deformation position of workpiece is determined, boundary constraint is marked with three-dimensional software
Point, reversal deformation amount, opposition generate mechanics and clamp model, and guidance, which is carried out, designs three-dimensional process equipment.
It is high-volume generated and is waited for according to the corresponding welding procedure of welding parameter on the basis of the various embodiments described above, in the present embodiment
The step of three-dimensional process model for producing product, specifically includes：According to the welding parameter of each welding point, each welding point is obtained
Post welding distortion amount；According to post welding distortion amount to there are the welding of welding contracted quantity to connect in the initial threedimensional model of product to be produced
Head, which optimizes, obtains the welding procedure of each welding point high-volume；Welding procedure is high-volume increased to initial the three of product to be produced
In dimension module, the three-dimensional process model of the product to be produced is generated.
On the basis of the various embodiments described above, given birth to according to the corresponding welding tooling anti-deformation of welding parameter in the present embodiment
The step of being equipped at the three-dimensional process of product to be produced specifically includes：According to the welding parameter of each welding point, initial three are obtained
The deformation position of dimension module；According to the tooling anti-deformation of each deformation position, generates mechanics and clamp model；Mould is clamped according to mechanics
Type generates the three-dimensional process equipment of product to be produced；Tooling anti-deformation includes the boundary constraint point of each deformation position, reversed change
Shape amount and opposition.
On the basis of the various embodiments described above, the process in the present embodiment in welding process model includes assembling, welding, beats
It is one or more in mill, detection, flaw detection and adjustment.
Specifically, three-dimensional off-line programing completes one or more works in assembling, welding, polishing, detection, flaw detection and adjustment
The off-line procedure of sequence realizes being automatically performed for each process.After the adjustment by preset times, the production capacity of welding process model
Still it is less than predetermined threshold value, i.e., cannot meets the requirement of production capacity design, then detach the off-line procedure of each process.
On the basis of the various embodiments described above, each process in welding procedural model is adjusted in the present embodiment, directly
Further include after the step of production capacity of welding process model after to adjustment is more than or equal to predetermined threshold value：Calculate the weldering after adjustment
It connects one or more in the welding quality of each process in procedural model, welding beat and welding material quota.
Specifically, by the run time of the parameter of each process and the off-line procedure of each process, the weldering of actual job is determined
Silk consumption, protective gas consumption, robot and the power consumption of welding machine and the consumption etc. of compressed air realize that material is fixed
The cost analysis of volume and product to be produced.By the determination of production capacity, working hour and material consumption of each process etc. are obtained.According to material
Consumption can issue consumptive material order from trend bid center, form the production schedule, production consumption statistics, consumptive material order and place an order automatically
With the closed-loop information management of material detection feedback.
A kind of virtual manufacturing system based on welding is provided in another embodiment of the present invention, and Fig. 4 is this hair
The virtual manufacturing system overall structure diagram based on welding that bright embodiment provides, the system include acquisition module 1, life
At module 2, adjustment module 3 and production module 4；Wherein：
Acquisition module 1 is used for according to the base material of each welding point in product to be produced and the corresponding hot object of default welding material
Performance parameter is managed, elastic-plastic calculation, deformation analysis and stress analysis are carried out to each welding point, obtain the welding of each welding point
Parameter and welding sequence；Generation module 2 is used to obtain the welding procedure of each welding point according to the welding parameter of each welding point
High-volume with welding tooling anti-deformation, the three-dimensional process mould of product to be produced is high-volume generated according to the welding procedure of each welding point
Type, the three-dimensional process that product to be produced is generated according to the welding tooling anti-deformation of each welding point are equipped；Adjustment module 3 is used for
According to the three-dimensional process model of product to be produced, three-dimensional process equipment and welding sequence, generated based on three-dimensional off-line programing to be generated
The welding process model of product is produced, if the production capacity of welding process model is less than predetermined threshold value, to each in welding procedural model
Process is adjusted, and the production capacity of the welding process model after adjustment is greater than or equal to predetermined threshold value；It produces module 4 and is used for root
According to the welding process model after adjustment, product to be produced is virtually manufactured.
The present embodiment passes through according to the base material of each welding point in product to be produced and the corresponding hot object of default welding material
Performance parameter is managed, each welding point is analyzed, obtains the welding parameter and welding sequence of each welding point, and based on three-dimensional
Off-line programing generates the welding process model of product to be generated according to welding parameter and welding sequence, according to welding process model pair
Product to be generated is virtually manufactured.One aspect of the present invention is realized that product to be produced carries out Visual Manufacturing, need not be carried out
Trial production of new products reduces man power and material；On the other hand, the full process automation and information of product virtual manufacture to be produced are realized
Change and reduce, shortens the production cycle of product to be produced.
On the basis of the above embodiments, the present embodiment further includes enquiry module, is used for for any base material sample, to this
Base material sample welding material sample corresponding with the base material sample carries out thermophysical property test, obtains one group of thermophysical property ginseng
Number；According to each group thermo-physical performance parameters, thermo-physical performance parameters database is built；According to each welding point in product to be produced
Base material and default welding material, inquired in thermo-physical performance parameters database, obtain each welding point base material and
The corresponding one group of thermo-physical performance parameters of default welding material.
On the basis of the above embodiments, thermo-physical performance parameters include elasticity modulus, Poisson's ratio, shear in the present embodiment
It is one or more in modulus, tensile strength and yield strength.
On the basis of the above embodiments, acquisition module is specifically used in the present embodiment：Based on modeling and simulating software and three
Dimension linking software, builds the initial threedimensional model of product to be produced, determines the welding point in initial threedimensional model；Based on numerical value
It calculates and elastic-plastic calculation is carried out to each welding point with optimization software, while deformation analysis and stress point are carried out to each welding point
Analysis, obtains the welding parameter and welding sequence of each welding point.
On the basis of the various embodiments described above, generation module is specifically used in the present embodiment：According to the weldering of each welding point
Parameter is connect, the post welding distortion amount of each welding point is obtained；According to post welding distortion amount in the initial threedimensional model of product to be produced
It optimizes there are the welding point of welding contracted quantity and obtains the welding procedure of each welding point high-volume；Welding procedure is high-volume increased
It is added in the initial threedimensional model of product to be produced, generates the three-dimensional process model of product to be produced.
On the basis of the various embodiments described above, generation module is specifically used in the present embodiment：According to the weldering of each welding point
Parameter is connect, the deformation position of initial threedimensional model is obtained；According to the tooling anti-deformation of each deformation position, generates mechanics and clamp mould
Type；Model is clamped according to mechanics, generates the three-dimensional process equipment of product to be produced；Tooling anti-deformation includes each deformation position
Boundary constraint point, reversal deformation amount and opposition.
On the basis of the various embodiments described above, the process in the present embodiment in welding process model includes assembling, welding, beats
It is one or more in mill, detection, flaw detection and adjustment.
Further include computing module in the present embodiment on the basis of the various embodiments described above, for calculating the welding after adjusting
It is one or more in the welding quality of each process, welding beat and welding material quota in procedural model.
The virtual manufacturing equipment based on welding that the present embodiment provides a kind of, Fig. 5 are base provided in an embodiment of the present invention
In the virtual manufacturing equipment overall structure schematic diagram of welding, which includes：At least one processor 51 at least one is deposited
Reservoir 52 and bus 53；Wherein,
Processor 51 and memory 52 complete mutual communication by bus 53；
Memory 52 is stored with the program instruction that can be executed by processor 51, and the processor calls described program to instruct energy
Enough execute the method that above-mentioned each method embodiment is provided, such as including：According to the base material of each welding point in product to be produced
Thermo-physical performance parameters corresponding with default welding material, to each welding point carry out elastic-plastic calculation, deformation analysis and
Stress analysis obtains the welding parameter and welding sequence of each welding point；According to the welding parameter of each welding point
Obtain the welding procedure of each welding point high-volume with welding tooling anti-deformation, according to the Welder of each welding point
Skill high-volume generates the three-dimensional process model of the product to be produced, is given birth to according to the welding tooling anti-deformation of each welding point
It is equipped at the three-dimensional process of the product to be produced；It is equipped according to the three-dimensional process model of the product to be produced, three-dimensional process
With the welding sequence, the welding process model of the product to be produced is generated based on three-dimensional off-line programing, if the welding is flowed
The production capacity of journey model is less than predetermined threshold value, then is adjusted to each process in the welding process model, after adjustment
The production capacity of the welding process model is greater than or equal to the predetermined threshold value；It is right according to the welding process model after adjustment
The product to be produced is virtually manufactured.
The present embodiment provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage medium
Computer instruction is stored, the computer instruction makes the computer execute the method that above-mentioned each method embodiment is provided, example
Such as include：It is right according to the base material of each welding point in product to be produced and the corresponding thermo-physical performance parameters of default welding material
Each welding point carries out elastic-plastic calculation, deformation analysis and stress analysis, obtains the welding parameter of each welding point
And welding sequence；The welding procedure of each welding point is obtained according to the welding parameter of each welding point high-volume and is welded
Tooling anti-deformation high-volume generates the three-dimensional process mould of the product to be produced according to the welding procedure of each welding point
Type, the three-dimensional process that the product to be produced is generated according to the welding tooling anti-deformation of each welding point are equipped；According to
Three-dimensional process model, three-dimensional process equipment and the welding sequence of the product to be produced, are generated based on three-dimensional off-line programing
The welding process model of the product to be produced, if the production capacity of the welding process model is less than predetermined threshold value, to the weldering
The each process connect in procedural model is adjusted, and the production capacity of the welding process model after adjustment is more than or equal to described
Predetermined threshold value；According to the welding process model after adjustment, the product to be produced is virtually manufactured.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer read/write memory medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes：ROM, RAM, magnetic disc or light
The various media that can store program code such as disk.
Virtual manufacturing apparatus embodiments based on welding described above are only schematical, wherein the work
The unit illustrated for separating component may or may not be physically separated, and the component shown as unit can be
Or it may not be physical unit, you can be located at a place, or may be distributed over multiple network units.It can be with
Some or all of module therein is selected according to the actual needs to achieve the purpose of the solution of this embodiment.The common skill in this field
Art personnel are not in the case where paying performing creative labour, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It is realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be expressed in the form of software products in other words, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, the present processes are only preferable embodiment, are not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of virtual method for manufacturing based on welding, which is characterized in that including：
According to the base material of each welding point in product to be produced and the corresponding thermo-physical performance parameters of default welding material, to each institute
It states welding point and carries out elastic-plastic calculation, deformation analysis and stress analysis, obtain welding parameter and the weldering of each welding point
Connect sequence；
The welding procedure that each welding point is obtained according to the welding parameter of each welding point is high-volume anti-loaded with Welder
Deflection high-volume generates the three-dimensional process model of the product to be produced according to the welding procedure of each welding point, according to
The welding tooling anti-deformation of each welding point generates the three-dimensional process equipment of the product to be produced；
According to the three-dimensional process model of the product to be produced, three-dimensional process equipment and the welding sequence, based on three-dimensional offline
Programming generates the welding process model of the product to be produced, if the production capacity of the welding process model is less than predetermined threshold value,
Each process in the welding process model is adjusted, the production capacity of the welding process model after adjustment be more than or
Equal to the predetermined threshold value；
According to the welding process model after adjustment, the product to be produced is virtually manufactured.
2. according to the method described in claim 1, it is characterized in that, according to the base material of each welding point in product to be produced and
The corresponding thermo-physical performance parameters of default welding material carry out elastic-plastic calculation, deformation analysis to each welding point and answer
Further include before the step of power is analyzed:
For any base material sample, thermophysical property is carried out to base material sample welding material sample corresponding with the base material sample
Test obtains one group of thermo-physical performance parameters；
According to each group thermo-physical performance parameters, thermo-physical performance parameters database is built；
According to the base material of each welding point in product to be produced and default welding material, in the thermo-physical performance parameters database
In inquired, obtain the base material and the corresponding one group of thermo-physical performance parameters of default welding material of each welding point.
3. according to the method described in claim 1, it is characterized in that, the thermo-physical performance parameters include elasticity modulus, Poisson
Than, it is one or more in shear modulus, tensile strength and yield strength.
4. according to the method described in claim 1, it is characterized in that, according to the base material of each welding point in product to be produced and in advance
If the corresponding thermo-physical performance parameters of welding material, elastic-plastic calculation is carried out to each welding point in the product to be produced, is become
The step of conformal analysis and stress analysis, the welding parameter and welding sequence that obtain each welding point, specifically includes:
Based on modeling and simulating software and three-dimensional linking software, the initial threedimensional model of product to be produced is built, is determined described initial
Welding point in threedimensional model；
Elastic-plastic calculation is carried out to each welding point based on numerical computations and optimization software, while to each welding point
Deformation analysis and stress analysis are carried out, the welding parameter and welding sequence of each welding point are obtained.
5. according to any methods of claim 1-4, which is characterized in that obtained according to the welding parameter of each welding point
The welding procedure for taking each welding point high-volume, high-volume generates described to be produced according to the welding procedure of each welding point
The step of three-dimensional process model of product, specifically includes：
According to the welding parameter of each welding point, the post welding distortion amount of each welding point is obtained；
According to the post welding distortion amount to there are the welding of welding contracted quantity to connect in the initial threedimensional model of the product to be produced
Head, which optimizes, obtains the welding procedure of each welding point high-volume；
The welding procedure is high-volume increased in the initial threedimensional model of the product to be produced, generates the product to be produced
Three-dimensional process model.
6. according to the method described in claim 4, it is characterized in that, obtaining each institute according to the welding parameter of each welding point
The tooling anti-deformation for stating welding point generates the production to be produced according to the welding tooling anti-deformation of each welding point
The step of three-dimensional process equipment of product, specifically includes：
According to the welding parameter of each welding point, the deformation position of the initial threedimensional model is obtained；
According to the tooling anti-deformation of each deformation position, generates mechanics and clamp model；
Model is clamped according to the mechanics, generates the three-dimensional process equipment of the product to be produced；
The tooling anti-deformation includes boundary constraint point, reversal deformation amount and the opposition of each deformation position.
7. according to any methods of claim 1-4, which is characterized in that the process in the welding process model includes group
It is one or more in dress, welding, polishing, detection, flaw detection and adjustment.
8. according to any methods of claim 1-4, which is characterized in that each process in the welding process model into
It is also wrapped until the step of row adjustment, the production capacity of the welding process model after adjustment is greater than or equal to the predetermined threshold value
It includes：
It calculates in the welding quality of each process in the welding process model after adjustment, welding beat and welding material quota
It is one or more.
9. a kind of virtual manufacturing system based on welding, which is characterized in that including：
Acquisition module, for according to the base material of each welding point in product to be produced and the corresponding thermal physical characteristic of default welding material
Energy parameter carries out elastic-plastic calculation, deformation analysis and stress analysis to each welding point, obtains each welding point
Welding parameter and welding sequence；
Generation module, for obtaining the welding procedure of each welding point according to the welding parameter of each welding point high-volume
With welding tooling anti-deformation, the three-dimensional work of the product to be produced is high-volume generated according to the welding procedure of each welding point
Skill model, the three-dimensional process that the product to be produced is generated according to the welding tooling anti-deformation of each welding point are equipped；
Module is adjusted, the three-dimensional process model according to the product to be produced, three-dimensional process equipment and the welding sequence are used for,
The welding process model of the product to be produced is generated based on three-dimensional off-line programing, if the production capacity of the welding process model is less than
Predetermined threshold value is then adjusted each process in the welding process model, the welding process model after adjustment
Production capacity be greater than or equal to the predetermined threshold value；
Module is produced, for according to the welding process model after adjustment, virtual production system to be carried out to the product to be produced
It makes.
10. a kind of non-transient computer readable storage medium, which is characterized in that the non-transient computer readable storage medium is deposited
Computer instruction is stored up, the computer instruction makes the computer execute method as described in any of the claims 1 to 8.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109978338A (en) * | 2019-02-27 | 2019-07-05 | 北京闼闼同创工贸有限公司 | A kind of row's list method, apparatus, system and storage medium for door leaf production |
| CN110262396A (en) * | 2019-06-04 | 2019-09-20 | 中国第一汽车股份有限公司 | A kind of not equal area Bu Dengliaohou process data processing method for expecting thick product drawing die of laser assembly solder |
| CN111136399A (en) * | 2020-01-02 | 2020-05-12 | 中车青岛四方机车车辆股份有限公司 | Adjusting-free welding method and auxiliary welding device for rail vehicle tube plate structure |
| CN111151905A (en) * | 2020-01-02 | 2020-05-15 | 中车青岛四方机车车辆股份有限公司 | Welding method and welding control system for side beam assembly |
| CN111347184A (en) * | 2020-03-13 | 2020-06-30 | 中车青岛四方机车车辆股份有限公司 | Framework welding deformation control method and framework welding tool |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070181548A1 (en) * | 2003-06-13 | 2007-08-09 | Abb Ab | Welding process |
| CN101763068A (en) * | 2009-12-15 | 2010-06-30 | 沈阳飞机工业（集团）有限公司 | Preparation system of quick numerical control machining of complex parts of airplane and method |
| CN101986317A (en) * | 2010-11-19 | 2011-03-16 | 常州奥施特信息科技有限公司 | Electronic whole set surface mounting technology production line virtual manufacturing system and realization method thereof |
| CN103177149A (en) * | 2012-10-29 | 2013-06-26 | 中国二十二冶集团有限公司 | Steel structure welding deformation analytical method |
| CN103870666A (en) * | 2014-04-14 | 2014-06-18 | 大连交通大学 | Multi-station multi-pass welding process simulation modeling and implementing method |
| CN105965179A (en) * | 2016-06-01 | 2016-09-28 | 江苏科技大学 | Auxiliary programming system and method for hull welding technology |
| CN106940747A (en) * | 2017-03-17 | 2017-07-11 | 中国计量大学 | A kind of PE electric melting pipe fittings welding condition formulating method |
-
2018
- 2018-06-12 CN CN201810601429.4A patent/CN108646689B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070181548A1 (en) * | 2003-06-13 | 2007-08-09 | Abb Ab | Welding process |
| CN101763068A (en) * | 2009-12-15 | 2010-06-30 | 沈阳飞机工业（集团）有限公司 | Preparation system of quick numerical control machining of complex parts of airplane and method |
| CN101986317A (en) * | 2010-11-19 | 2011-03-16 | 常州奥施特信息科技有限公司 | Electronic whole set surface mounting technology production line virtual manufacturing system and realization method thereof |
| CN103177149A (en) * | 2012-10-29 | 2013-06-26 | 中国二十二冶集团有限公司 | Steel structure welding deformation analytical method |
| CN103870666A (en) * | 2014-04-14 | 2014-06-18 | 大连交通大学 | Multi-station multi-pass welding process simulation modeling and implementing method |
| CN105965179A (en) * | 2016-06-01 | 2016-09-28 | 江苏科技大学 | Auxiliary programming system and method for hull welding technology |
| CN106940747A (en) * | 2017-03-17 | 2017-07-11 | 中国计量大学 | A kind of PE electric melting pipe fittings welding condition formulating method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109978338A (en) * | 2019-02-27 | 2019-07-05 | 北京闼闼同创工贸有限公司 | A kind of row's list method, apparatus, system and storage medium for door leaf production |
| CN110262396A (en) * | 2019-06-04 | 2019-09-20 | 中国第一汽车股份有限公司 | A kind of not equal area Bu Dengliaohou process data processing method for expecting thick product drawing die of laser assembly solder |
| CN111136399A (en) * | 2020-01-02 | 2020-05-12 | 中车青岛四方机车车辆股份有限公司 | Adjusting-free welding method and auxiliary welding device for rail vehicle tube plate structure |
| CN111151905A (en) * | 2020-01-02 | 2020-05-15 | 中车青岛四方机车车辆股份有限公司 | Welding method and welding control system for side beam assembly |
| CN111151905B (en) * | 2020-01-02 | 2021-11-12 | 中车青岛四方机车车辆股份有限公司 | Welding method and welding control system for side beam assembly |
| CN111347184A (en) * | 2020-03-13 | 2020-06-30 | 中车青岛四方机车车辆股份有限公司 | Framework welding deformation control method and framework welding tool |
| CN111427591A (en) * | 2020-03-19 | 2020-07-17 | Oppo（重庆）智能科技有限公司 | Program offline manufacturing method and device, storage medium and electronic equipment |
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|---|---|
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