CN104217063B - Emulation design method for steel rail rolling pass - Google Patents
Emulation design method for steel rail rolling pass Download PDFInfo
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- CN104217063B CN104217063B CN201410350447.1A CN201410350447A CN104217063B CN 104217063 B CN104217063 B CN 104217063B CN 201410350447 A CN201410350447 A CN 201410350447A CN 104217063 B CN104217063 B CN 104217063B
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Abstract
The invention discloses a kind of emulation design method for steel rail rolling pass, belong to steel rail rolling equipment design and manufacturing technology field.There is provided a kind of easy to operate, automaticity high, simulation analysis precision can be improved, be avoided that the emulation design method for steel rail rolling pass of mistake occur again.By developing a set of design of Simulation software for including CAD hole type designs module, CAE optimization for hole module and CAM pass machining code generation modules, and corresponding database data is called by described module respectively, first complete the rolling groove design of each rolling pass of rail, the division and the foundation and modification of relevant border condition model of the finite element grid of different specification size pass are completed afterwards, ultimately produce the CAM codes of the rolling groove of each rolling pass correspondence roll.Because the generation of the Design and optimization and CAM machining codes of the steel rail rolling pass is completed by software, operation is simplified, efficiency is improved, production cost is reduced.
Description
Technical field
The present invention relates to a kind of emulation design method, more particularly, to a kind of design of Simulation side for steel rail rolling pass
Method, belongs to steel rail rolling equipment design and manufacturing technology field.
Background technology
The design of existing rank steel rail rolling pass is carried out according to the following steps：
The first step：Artificial experience is formed a groove, i.e., using CAD software by manually directly to the CAD of steel rail rolling pass processed
Figure.Pass is the mould decomposed, by rectangular billet, by different groove rollings into rail.Current design method is
Determine after pass schedule, manually first draw pass sketch, design size is then marked on sketch, after primarily determining that, then manually
CAD diagram paper is drawn, then carries out the calculating of the key design parameters such as the area, lengthening coefficient, reduction ratio of each pass manually.Work
Intensity is big, time-consuming.
Second step：Hole type design optimizes, that is, the CAE simulation optimizations being commonly called as.The hole type design that existing design method is completed
Precision, quality can not be known before production, it is necessary to which the examination for putting into ten thousand yuan of 50-100 is rolled and just can know that where need
Changing, and need the examination for carrying out 2-4 times to roll modification to shape.In order to reduce experimental manufacturing cost, the sizing speed of pass is improved,
With continuing to develop for emulation technology, the mode for having introduced relatively advanced emulation abbreviation CAE substitutes examination and rolled and greatly reduces examination
Roll number of times and cost.But, this simulation analysis software application difficulty is big, and those skilled in the art need to slap substantially for 3-6 months
Hold, can skillfully analyze, need more than 1 year.Simulation analysis software applying step is numerous and diverse simultaneously, and modeling, network are divided, boundary condition
The times such as loading are long, and its simulation analysis step of different shaped jet holes duplicates, and analysis work is seemed uninteresting, labor intensity is big.
3rd step：Roller Machining, abbreviation CAM.Applied after the completion of hole type design, sizing, it is necessary to configure on roll,
Design is needed to match somebody with somebody roller figure.It is issued at present with roller figure behind workshop, numerically controlled lathe machining code is accomplished manually by technical staff
Write.Not only labor intensity is big, and topmost problem is that the mistake that manual compiling, input are caused is more, Roller Machining often occurs
Mistake, and the turning situation that even roll is scrapped again, cause ten thousand yuan or so of 10-100 loss.
The content of the invention
The technical problems to be solved by the invention are：There is provided a kind of easy to operate, automaticity high, emulation can be improved
Analysis precision, the emulation design method for steel rail rolling pass of mistake can be avoided the occurrence of as far as possible again.
It is to solve the technical scheme that is used of above-mentioned technical problem：A kind of design of Simulation side for steel rail rolling pass
Method, comprises the following steps,
A) design software is developed, and kit contains CAD hole type designs module, CAE optimization for hole module and CAM pass machinings
The design of Simulation software of code generation module；
B) rolling groove is designed, and using the CAD hole type design modules of the step a design of Simulation softwares developed, passes through bottom
The relevant parameter in existing pass schedule parametric data storehouse is called, the whole rolling grooves for automatically generating each rolling pass of rail are set
The rolling groove figure of meter figure and corresponding roll, completes the rolling groove design of each rolling pass of rail, and preserves each rolling pass
The coordinate of the rolling groove of correspondence roll and each key point of correspondence rolled parts；
C) rolling groove optimize, using step a develop the design of Simulation software CAE optimization for hole modules, according to
The coordinate of the rolling groove of each rolling pass correspondence roll preserved in step b and each key point of correspondence rolled parts, passes through bottom
Layer calls existing ANSYS pre-treatments, realizes the operation of rolling model that each rolling pass is completed without manually-operated backstage subnetting
Mesh generation, and the limit element artificial module of corresponding rolling groove and corresponding rolled parts is generated, complete different on this basis
The division of the finite element grid of specification pass and the foundation and modification of relevant border condition model；
D) CAM code buildings, utilize the CAM pass machining code building moulds of the step a design of Simulation softwares developed
Block, according to the rolling groove of each rolling pass correspondence roll preserved in step b and the coordinate of each key point of correspondence rolled parts,
And the boundary condition model for the variant specification pass that step c is set up and modification is completed, by calling AutoCAD softwares
Bottom application function automatically generate corresponding roller matching figure, and combine the tray that live numerical control machine bed system needs
Formula, the recognizable machining code of generation machining equipment completes the CAM of the rolling groove of each rolling pass correspondence roll
Code Design, so just completes the design of Simulation work of a steel rail rolling pass.
It is further in step b, to pass through described each rolling pass of CAD hole type design Module Generation rail
While the rolling groove figure of whole rolling groove design drawings and corresponding roll, the center of correspondence figure is also at least automatically generated
Line, boost line and mark；And according to each rolling groove figure of generation, the area of corresponding rolling groove is calculated as needed.
It is further, can also be in existing AutoCAD passes file when carrying out step c rolling groove optimization
On the basis of, by suitably modified, AutoCAD associated documents are directly read, ANSYS pre-treatments are called by bottom, nothing is realized
Manually-operated backstage subnetting is needed, and is rapidly completed the operation of rolling model meshes division of each rolling pass.
It is further that the CAD hole type design modules of the design of Simulation software in step a are opened for bis- times based on AutoCAD
Program means VBA is sent out, and combines what ActiveX was developed, its running environment is windows platform.
The beneficial effects of the invention are as follows：A set of include CAD hole type designs module, CAE optimization for hole modules by developing
With the design of Simulation software of CAM pass machining code generation modules, and corresponding database is called by described module respectively
Data, first completes the rolling groove design of each rolling pass of rail, the finite element net of different specification size pass is then completed again
The division of lattice and the foundation and modification of relevant border condition model, ultimately produce the rolling groove of each rolling pass correspondence roll
CAM Code Designs.Because the generation of the Design and optimization and CAM machining codes of the steel rail rolling pass passes through software
Complete, so, both reduced the labor intensity of manually-operated operating personnel, and simplified operating process, and improved automation journey
Degree, meanwhile, completed in whole optimization process by software, used data are the inventory data summarized before, and with
The data for changing out are calculated and emulated based on described inventory data, so as to not only can effectively improve simulation analysis
Precision, can also avoid making mistake as far as possible, especially occur when generating the machining code that machining equipment can recognize that
Mistake.
Brief description of the drawings
Fig. 1 a~Fig. 1 d are described for the use being related in the emulation design method of steel rail rolling pass for the present invention
CAD hole type design modules, the main rolling groove of each rolling pass of rail automatically generated using the empirical data of on-hand inventory
Design drawing；
Fig. 2 a~Fig. 2 f are described for the use being related in the emulation design method of steel rail rolling pass for the present invention
CAE optimization for hole modules, the division of the finite element grid of the different specification size pass completed using the data in previous step
And the simulation drawing of foundation and the modification of relevant border condition model；
Fig. 3 a~Fig. 3 c are to invent the described CAM of the use being related in the emulation design method for steel rail rolling pass
The section of the main roll sectional drawing of pass machining code generation module generation and the NC codes of generation.
Embodiment
As shown in Fig. 1 a~Fig. 1 d, Fig. 2 a~Fig. 2 f and Fig. 3 a~Fig. 3 c be that the present invention is provided it is a kind of it is easy to operate,
Automaticity is high, can improve simulation analysis precision, can avoid the emulation for steel rail rolling pass made mistake as far as possible again
Design method.Described emulation design method comprises the following steps,
A) design software is developed, and kit contains CAD hole type designs module, CAE optimization for hole module and CAM pass machinings
The design of Simulation software of code generation module；
B) rolling groove is designed, and using the CAD hole type design modules of the step a design of Simulation softwares developed, passes through bottom
The relevant parameter in existing pass schedule parametric data storehouse is called, the whole rolling grooves for automatically generating each rolling pass of rail are set
The rolling groove figure of meter figure and corresponding roll, completes the rolling groove design of each rolling pass of rail, and preserves each rolling pass
The coordinate of the rolling groove of correspondence roll and each key point of correspondence rolled parts, can also using described CAD hole type design modules
The key design parameters such as area, lengthening coefficient, reduction ratio to each pass are analyzed, and form form；
C) rolling groove optimize, using step a develop the design of Simulation software CAE optimization for hole modules, according to
The coordinate of the rolling groove of each rolling pass correspondence roll preserved in step b and each key point of correspondence rolled parts, passes through bottom
Layer calls existing ANSYS pre-treatments, realizes the operation of rolling model that each rolling pass is completed without manually-operated backstage subnetting
Mesh generation, and the limit element artificial module of corresponding rolling groove and corresponding rolled parts is generated, complete different on this basis
The division of the finite element grid of specification pass and the foundation and modification of relevant border condition model, using described CAE
Optimization for hole module can also be modeled, network is divided, boundary condition is loaded etc., so that labor intensity is greatly lowered, simultaneously
Artificial modeling, the mistake that network is divided, boundary condition is loaded are eliminated, the precision of simulation analysis is substantially increased；
D) CAM code buildings, utilize the CAM pass machining code building moulds of the step a design of Simulation softwares developed
Block, according to the rolling groove of each rolling pass correspondence roll preserved in step b and the coordinate of each key point of correspondence rolled parts,
And the boundary condition model for the variant specification pass that step c is set up and modification is completed, by calling AutoCAD softwares
Bottom application function automatically generate corresponding roller matching figure, and combine the tray that live numerical control machine bed system needs
Formula, the recognizable machining code of generation machining equipment completes the CAM of the rolling groove of each rolling pass correspondence roll
Code Design, so just completes the design of Simulation work of a steel rail rolling pass.Included using above by exploitation is a set of
There is the design of Simulation software of CAD hole type designs module, CAE optimization for hole module and CAM pass machining code generation modules, and divide
Corresponding database data is not called by described module, the rolling groove design of each rolling pass of rail is first completed, then
The division of the finite element grid of different specification size pass and the foundation and modification of relevant border condition model are completed again, finally
The method for generating the CAM Code Designs of the rolling groove of each rolling pass correspondence roll.In the described method, due to the steel
The generation of the Design and optimization and CAM machining codes of rail rolling groove is completed by software, so, has both reduced artificial behaviour
The labor intensity of the operating personnel of work, simplifies operating process, improves automaticity, meanwhile, in whole optimization process
Completed by software, used data summarize the empirical data of stock before being, and based on described inventory data
The data calculated, so as to not only can effectively improve the precision of simulation analysis, can also avoid making mistake, especially as far as possible
It is the mistake occurred when generating the machining code that machining equipment can recognize that.
In above-mentioned embodiment, according to the custom of common design drawing, given birth to automatically by described CAD hole type designs module
Into each rolling pass of rail whole rolling groove design drawings and corresponding roll rolling groove figure while, it is also at least automatic raw
Into center line, boost line and the mark of correspondence figure；And according to each rolling groove figure of generation, corresponding rolling is calculated as needed
The area of pass.Meanwhile, can also be on the basis of existing AutoCAD passes file when carrying out step c rolling groove optimization
On, by suitably modified, AutoCAD associated documents are directly read, ANSYS pre-treatments are called by bottom, are realized without people
The backstage subnetting of work operation, and it is rapidly completed the operation of rolling model meshes division of each rolling pass.In order that the present invention's is imitative
The applicable performance of true design method is strong, meanwhile, and the emulation in the development difficulty of the emulation design method, step a can be simplified
The CAD hole type design modules of design software are to be based on AutoCAD secondary development program instrument VBA, and combine ActiveX exploitations
, its running environment is windows platform.
Embodiment one
On the basis of AutoCAD Secondary Development Modules, ANSYS pre-treatments are called using bottom, are realized without manually grasping
The overall process of the backstage subnetting operation of work is as follows,
(1) each key point position calculated first according to AutoCAD Secondary Development Modules, text recognizable generation ANSYS
Part, code is：
Dim uproller As Variant
Open uproller For Output As1#
Print#1,"/PREP7"
Print#1,"/NERR,0,99999,,,0"
Print#1,"EDMP,RIGI,1,0,0"
Print#1,"MP,DENS,1,7"
Print#1,"K,,"；pt1(0)；","；pt1(1)；","；pt1(2)
Print#1,"K,,"；pt2(0)；","；pt2(1)；","；pt2(2)
……
Print#1,"LSTR,3,4"
Print#1,"LFILLT,1,2,"；convert(HR2)；",,"
Print#1,"LFILLT,2,3,"；convert(HR1)；",,"
Print#1,"K,,"；pt1(0)；","；pt1(1)+d；","；pt1(2)
……
Print#1,"LESIZE,3,"；kxcc；",,,,,,,1"
Print#1,"MSHAPE,0,2D"
Print#1,"MSHKEY,1"
Print#1,"AMESH,ALL"
Print#1,"K,,"；0；","；L4/2+bj/2；","；0
Print#1,"K,,"；100；","；L4/2+bj/2；","；0
Print#1,"TYPE,2"
Print#1,"EXTOPT,ESIZE,45,0,"
Print#1,"EXTOPT,ACLEAR,1"
……
Print#1,"NUMOFF,ELEM,2000000"
Print#1,"EDWRITE,ANSYS,'upRoller','k',"；path
Print#1,"FINISH"
Print#1,"/CLEAR,START"
Close#1
(2) bottom calls ANSYS, and file recognizable processing ANSYS carries out mesh generation to roll, generates finite element
Model, code is：
Dim uprollerline1As String
Dim uprollerline2As String
…….
Open uprollerbat For Output As#90
……
Print#90,uprollerline1
Close#90
Dim lngPId As Long
Dim lngPHandle As Long
FirstWord=Mid (path, 1,1)
ChDrive FirstWord
ChDir path
LngPId=Shell (uprollerbat)
……
By Background scheduling ANSYS pre-treatments, the structure of the 3-dimensional CAD model without artificial treatment is realized；For each road
The parametrization of each part mesh generation such as secondary roll, rolled piece, ANSYS pre-treatments are called by bottom, are realized without manually grasping
The backstage subnetting of work, is rapidly completed the division of each passes process model grid；It is real eventually through the gui interface of each pass
The input, modification, the bottom of ANSYS pre-treatments for having showed each geometric parameter and size of mesh opening are called, the output of mesh generation, model,
So as to complete the division of different specification size pass finite element grid and the foundation and modification of relevant border condition.
Embodiment two
So that certain H profile steel BD1 matches somebody with somebody roller as an example, the overall process for realizing CAM bank is introduced.
(1) first according to AutoCAD Secondary Development Modules, each key point position of BD1 rolls is calculated, and generates BD1 and is rolled
Roller CAD diagram shape.
(2) according to the position of each key point of BD1 rolls, with reference to live numerical control machine tool system format, generation machining
Recognizable machining code is processed, code is：
Open text For Output As1#
Print#1,"1.DIAMOF"
Print#1,"2.M3S"；zs
Print#1,"3.G54T"；num1；"D"；num2
Print#1,"4.G0G90G95G41X560Z-50F"；sd
Print#1,"5.G1X"；CStr(ncL5/2-ncR1-10)
Print#1,"6.Z0"
Print#1,"7.G91X"；CStr(ncR1+10)；" RND="；CStr(ncR1)
Print#1,"8.Z"；CStr(L)
Print#1,"9.X"；CStr((ncL1-ncL2)/2)
Print#1,"10.Z"；CStr(ncL9+20)
Print#1,""
Print#1,"11.G0G90G41X"；CStr(ncL5/2+ncL1/2)；"Z"；CStr(2300-x4-40)；" 1 hole
Tailstock side "
Print#1,"12.G1X"；CStr(ncL5/2+ncL1/2-(kx4L1-kx4L4+ncL2)/2)
Print#1,"13.G91Z40"
Print#1,"14.X"；CStr((kx4L1-kx4L4-2*kx4L3)/2)；"Z"；CStr(kx4L2/2)；"RND
="；CStr(kx4r2)
Print#1,"15.X"；CStr(kx4L3)；"Z"；CStr(kx4L5)；" RND="；CStr(kx4r1)
Print#1,"16.Z"；CStr(ncL8+20)
Print#1,""
Print#1,"17.G0G90G41X"；CStr(ncL5/2+ncL1/2)；"Z"；CStr(2300-x3-40)；" 2 holes
Tailstock side "
Print#1,"18.G1X"；CStr(ncL5/2+ncL1/2-(kx3L1-kx3L4+ncL2)/2)
Print#1,"19.G91Z40"
……
Print#1,"36.X"；CStr((ncL2-ncL1)/2)
Print#1,"37.Z"；CStr(-L-10)
Print#1,"38.X50"
Print#1,""
Print#1,"39.G0G90G42X"；CStr(ncL5/2+ncL1/2+50)；"Z"；CStr(2300+60)；" 4 hole "
Print#1,"40.G1X"；CStr(ncL5/2-ncR1-10)
Print#1,"41.Z2300"
Print#1,"42.G91X"；CStr(ncR1+10)；" RND="；CStr(ncR1)
Print#1,"43.Z"；CStr(-ncL3)
Print#1,"44.X"；CStr(-(ncL2-ncL1)/2)
Print#1,"45.Z"；CStr(-ncL4)；" RND="；CStr(kx1r6)
Print#1,"46.X"；CStr(-kx1L6)；"Z"；CStr(-kx1L11)；" RND="；CStr(kx1r5)
Print#1,"47.X"；CStr(-Abs(nc1pt5(1)-nc1pt6(1)))；"Z"；CStr(kx1L11-
kx1L10)；" RND="；CStr(kx1r4)
……
Print#1,"66.Z"；CStr(-kx2L5)；" RND="；CStr(kx2r4)
Print#1,"67.X"；CStr(Abs(nc2pt5(1)-nc2pt6(1)))；"Z"；CStr(kx2L11-
kx2L10)；" RND="；CStr(kx2r5)
Print#1,"68.X"；CStr(kx2L6)；"Z"；CStr(-kx2L11)；" RND="；CStr(kx2r6)
Print#1,"69.Z"；CStr(-ncL7-50)
Print#1,"70.X50"
Print#1,"71.M5"
Print#1,"72.M2"
Close#1
The hole type design of exploitation is with finite element numerical simulation integrated software system according to the pass parameters data set up
Storehouse, each roll key point position is determined by pass parameters CAD Secondary Development Modules, generates each Roller CAD figure, with reference to point
Factory technologist matches somebody with somebody roller experience, and file format and control mode according to required for Digit Control Machine Tool realize nc program
The automatic output of NC codes, completes the CAM of roll.
The hole type design and finite element numerical simulation integrated software system developed using the present invention are i.e. of the present invention
Design of Simulation software, according to the pass parameters database set up, determines respectively to roll by pass parameters CAD Secondary Development Modules
Roller key point position, generates each Roller CAD figure, matches somebody with somebody roller experience with reference to manufactory technologist, according to required for Digit Control Machine Tool
File format and control mode, realize the automatic output of nc program NC codes, complete the CAM of roll.
For the ease of the understanding to the connotation of each code name in Fig. 1, Fig. 2 and Fig. 3, the present invention provides three below program list
It is illustrated.
Certain the model rail split rolling method program list of table 1
Certain the model steel rail universal rolling schedule of table 2
Certain the model rail of table 3 rolls numerical simulation segmented description entirely
Claims (3)
1. a kind of emulation design method for steel rail rolling pass, it is characterised in that：Comprise the following steps,
A) design software is developed, and kit contains CAD hole type designs module, CAE optimization for hole module and CAM pass machining codes
The design of Simulation software of generation module；
B) rolling groove is designed, and using the CAD hole type design modules of the step a design of Simulation softwares developed, is called by bottom
The relevant parameter in existing pass schedule parametric data storehouse, automatically generates whole rolling groove design drawings of each rolling pass of rail
With the rolling groove figure of corresponding roll, the rolling groove design of each rolling pass of rail is completed, and preserves each rolling pass correspondence
The coordinate of the rolling groove of roll and each key point of correspondence rolled parts；
C) rolling groove optimizes, using the CAE optimization for hole modules of the step a design of Simulation softwares developed, according to step b
The coordinate of the rolling groove of each rolling pass correspondence roll of middle preservation and each key point of correspondence rolled parts, is called by bottom
Existing ANSYS pre-treatments, realize that the operation of rolling model meshes that each rolling pass is completed without manually-operated backstage subnetting are drawn
Point, and the limit element artificial module of corresponding rolling groove and corresponding rolled parts is generated, different size chi is completed on this basis
The division of the finite element grid of very little pass and the foundation and modification of relevant border condition model；
D) CAM code buildings, utilize the CAM pass machining code generation modules of the step a design of Simulation softwares developed, root
According to the rolling groove and the coordinate of each key point of correspondence rolled parts of each rolling pass correspondence roll preserved in step b, and
The boundary condition model for the variant specification pass that step c is set up and modification is completed, by the bottom for calling AutoCAD softwares
Layer application function automatically generates corresponding roller matching figure, and the file format that the live numerical control machine bed system of combination needs,
The recognizable machining code of machining equipment is generated, the CAM generations of the rolling groove of each rolling pass correspondence roll are completed
Code design, so just completes the design of Simulation work of a steel rail rolling pass,
, can also be on the basis of existing AutoCAD passes file, by appropriate when carrying out step c rolling groove optimization
Modification, directly reads AutoCAD associated documents, and ANSYS pre-treatments are called by bottom, realizes without manually-operated backstage
Subnetting, and it is rapidly completed the operation of rolling model meshes division of each rolling pass.
2. the emulation design method according to claim 1 for steel rail rolling pass, it is characterised in that：In step b, lead to
Cross the whole rolling groove design drawings and corresponding roll of described each rolling pass of CAD hole type design Module Generation rail
While rolling groove figure, center line, boost line and the mark of correspondence figure are also at least automatically generated；And respectively rolling according to generation
Drilling type figure, calculates the area of corresponding rolling groove as needed.
3. the emulation design method according to claim 1 or 2 for steel rail rolling pass, it is characterised in that：In step a
The CAD hole type design modules of design of Simulation software be to be based on AutoCAD secondary development program instrument VBA, and combine ActiveX
Exploitation, its running environment is windows platform.
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| CN201410350447.1A CN104217063B (en) | 2014-07-22 | 2014-07-22 | Emulation design method for steel rail rolling pass |
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| CN111014285B (en) * | 2019-11-29 | 2021-08-24 | 攀钢集团攀枝花钢钒有限公司 | Online automatic adjusting system of rail specification and dimension |
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