CN107512996A - A kind of castexplosive digitlization research and development manufacture method - Google Patents
A kind of castexplosive digitlization research and development manufacture method Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 121
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 91
- 238000012827 research and development Methods 0.000 title claims abstract description 35
- 238000013461 design Methods 0.000 claims abstract description 106
- 230000008569 process Effects 0.000 claims abstract description 78
- 239000000463 material Substances 0.000 claims abstract description 67
- 238000005457 optimization Methods 0.000 claims abstract description 39
- 239000002360 explosive Substances 0.000 claims abstract description 38
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000007582 slurry-cast process Methods 0.000 claims abstract description 8
- 238000004364 calculation method Methods 0.000 claims description 54
- 238000002156 mixing Methods 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000004880 explosion Methods 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 19
- 238000007711 solidification Methods 0.000 claims description 19
- 230000008023 solidification Effects 0.000 claims description 19
- 238000004458 analytical method Methods 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 15
- 230000004927 fusion Effects 0.000 claims description 15
- 238000010348 incorporation Methods 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 15
- 239000011268 mixed slurry Substances 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 10
- 238000002203 pretreatment Methods 0.000 claims description 10
- 238000011160 research Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- 235000013399 edible fruits Nutrition 0.000 claims description 6
- 238000012805 post-processing Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000007547 defect Effects 0.000 claims description 5
- 238000007499 fusion processing Methods 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 5
- 238000011161 development Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 239000003317 industrial substance Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000007790 solid phase Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000009472 formulation Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 14
- 238000012545 processing Methods 0.000 description 11
- 239000002002 slurry Substances 0.000 description 10
- 239000003814 drug Substances 0.000 description 6
- 239000000155 melt Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 241000208340 Araliaceae Species 0.000 description 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 description 3
- 235000008434 ginseng Nutrition 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 239000004200 microcrystalline wax Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- BNUHAJGCKIQFGE-UHFFFAOYSA-N Nitroanisol Chemical compound COC1=CC=C([N+]([O-])=O)C=C1 BNUHAJGCKIQFGE-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000013022 formulation composition Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B25/00—Compositions containing a nitrated organic compound
- C06B25/04—Compositions containing a nitrated organic compound the nitrated compound being an aromatic
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06D—MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART)
- C06D5/00—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
- C06D5/06—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets by reaction of two or more solids
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
A kind of castexplosive digitlization research and development manufacture method, it is made up of comprehensive scheduling module, R ＆ D design module and manufacture control module, wherein closing scheduling module includes personal scheduling unit, logistics monitoring unit and data maintenance unit, R ＆ D design module estimates unit and process optimization unit including explosive property, and manufacture control module includes operation preparatory unit, material is fused and mixed unit, slurry casting unit and formed product unit.Thought and method of the inventive method based on Digitized Manufacturing Technology, the R ＆ D design that castexplosive product can be greatly improved are horizontal horizontal with technology controlling and process.
Description
Technical field
The invention belongs to castexplosive Digitized manufacturing field, and in particular to a kind of castexplosive digitlization research and development manufacturer
Method.
Background technology
Digitized Manufacturing Technology is that digitizing technique and manufacturing technology mutually merge and caused emerging technology.Will be various each
It is to realize a distinctness of digitized process that the conversion of the information resources that sample medium shows unanimously, which is expressed as abstract data form,
Feature.Design drawing, technical documentation, process chart, the bill of materials, management information etc. can be related in production manufacturing process
Numerous various technological document data, these can be uniformly converted to digitlization by the documentation of artificial keeping processing
Form, greatly shorten the manufacture execution cycle of product, so as to improve production efficiency.With data processing technique and processing and manufacturing
Method is constantly brought forth new ideas, and Digitized Manufacturing Technology is designed as core, using flexible management control as mesh towards using Virtual R ＆ D
Mark, the direction fast development using client's potential demand as guiding.
For military project manufacturing field, castexplosive product is in whole system in occupation of a very important ring.From
From the point of view of technological layer, generally, castexplosive manufactures process and is mainly concerned with personnel, feed product and properties of product
Deng the factor of three aspects；From the point of view of process flow perspective, castexplosive process can be attributed to mixing melting, casting and shaping
Deng three big links.Castexplosive manufactures process standard, and technological document data is complete, particularly suitable for using Digitized manufacturing
Technology carries out research and development of products design.
From the point of view of current castexplosive research and development of products design point, also rest on product orientation is inaccurate, technology controlling and process not
Sternly, the extensive style conceptual phase with the characteristics of design level is not high, the blindness of scientific research personnel's work had both been caused, had been reduced again
The reliability of castexplosive product, it is unfavorable for permanent sustainable development.
Chinese patent CN 02114226.2 discloses the method and its device that a kind of wet type prepares black-terraced castexplosive.Should
Method is poured into preparation facilities, forming explosive by natural cooling produces using castexplosive slurry mixed liquor substitution air dielectric
Product.But the R ＆ D design level of explosive product that this method is directed to is relatively low, and product category is more single, prepared by explosive production
Process management and control level is relatively low.
But the R ＆ D design level of explosive product that this method is directed to is relatively low, and product category is more single, explosive life
It is relatively low to produce preparation process regulatory level.
It is therefore desirable to invent a kind of castexplosive digitlization research and development manufacture method, the founding for multiple combinations type is fried
Medicine product, R ＆ D design input is improved using digitizing technique, the regulatory level for manufacturing link is improved, to manufacturing
The technological document that journey is formed carries out induction-arrangement, so that technological design and product quality step higher step.
The content of the invention
In view of the deficienciess of the prior art, the present invention provides a kind of castexplosive digitlization research and development manufacture method, it is used for
It is horizontal to improve castexplosive Product Digitalization Design.
In order to realize above-mentioned target, the present invention takes following technical scheme：
The present invention relates to a kind of castexplosive to digitize research and development manufacture method, realizes that founding is fried by digitized mine method
The development of medicine, it is characterised in that the research and development manufacture method is by integrating scheduling module, R ＆ D design module and manufacture control module
Composition, comprises the following steps：
Step 1, comprehensive scheduling module is run, R ＆ D design personnel and manufacture controllers are determined, it is determined that needing to research and develop
Title and the specific formula composition of the castexplosive of manufacture, record preserve the various raw material weighing data of castexplosive, and record is protected
Deposit the techniques such as fusion temperature, incorporation time, mixing speed and the holding temperature obtained by execution R ＆ D design module calculation optimization
Process data, it is fried that record preserves the castexplosive density obtained by execution R ＆ D design module calculation optimization, quick-fried heat and explosion velocity etc.
Medicine performance data, pass through workflow management and video image data monitoring record castexplosive carrier, the main explosive of solid phase and metal powder
The logistics flow direction of the industrial chemicals such as material, activation R ＆ D design module and manufacture control module；
Step 2, R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, perform process optimization list
Component, startup fluid dynamics software Fluent is called to be digitized optimization design to castexplosive fusion process, first
Construction fusing Cooker structure and mixed material model are created using ICEM softwares, selection determines heating steam inlet, flow direction
And outlet, top-down division calculate grid, form pre-treatment operation file, it is molten that next is directed into setting in Fluent softwares
Change pot and mixed material material parameter, Melting And Solidification computation model be set, heating steam inlet and back pressure and temperature are set,
Set heat transfer initial and boundary condition, set operational parameter control simultaneously to calculate solutions, the 3rd carry out result of calculation post processing with
Analysis, when result of calculation does not meet the demand of actual process process, return to second step and reset, until what is be calculated adds
Vapours inlet pressure stops following between 0.12MPa~0.14MPa, when temperature is higher than 10 DEG C~20 DEG C of mixed material fusing point
Ring calculates, and exports fusion temperature technical process data；
Step 3, R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, perform process optimization list
Component, startup fluid dynamics software Fluent is called to be digitized optimization design to castexplosive mixing process,
Construction stirred tank structure and mixed material model are created first by ICEM softwares, selection determines wall inside stirred tank, choosing
Determination stirrer paddle is selected, top-down division calculates grid, forms pre-treatment operation file, secondly imports in Fluent softwares and sets
Stirred tank and mixed material material parameter are put, multiphase flow Mixed model is set, wall heating temperature inside stirred tank is set
Degree, stirrer paddle mixing speed is set, operational parameter control is set and calculates solution, the 3rd carries out result of calculation post processing and divide
Analysis, when result of calculation can not meet actual process demand, return to second step and reset, until in the stirred tank being calculated
Portion's wall surface temperature is higher than mixed material melting temperature and less than heating vapor (steam) temperature, and mixing speed is between 30r/min~60r/
Between min, mixed material density uniformity difference stops cycle calculations when being less than 2%, exports incorporation time and mixing speed work
Skill process data；
Step 4, R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, perform process optimization list
Component, call startup solidification simulation software ProCAST to be digitized optimization design to castexplosive isothermal solidifying process, make
Mould is solidified with PreCAST component constructions and is fused and mixed slurry model, and solidification mould is set and is fused and mixed slurry material parameter, choosing
Select and determine die top, side and bottom and the heat transfer type being fused and mixed between slurry and arrange parameter, set and be fused and mixed slurry
And the initial temperature of mould, holding temperature is set, forms data file, DataCAST parts is continuing with and carries out data file
Debugging, carries out calculating solution using ProCAST parts afterwards, next carries out result of calculation post processing using ViewCAST parts
And analysis, when result of calculation does not meet real process, it is back to PreCAST parts and re-starts setting, until castexplosive
When the shrinkage defect formed after solidification is entirely located in the additional rising head in mould upper end, stop cycle calculations, export holding temperature
Technical process data；
Step 5, R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, perform explosive property and estimate list
Component, formed according to castexplosive formula, using Fortran program languages, calculate founding using equal weight method of weighting and fry
Medicine density, the quick-fried heat of castexplosive is calculated using law of Hess formula, castexplosive explosion velocity is calculated using Kamlet formula, to same
Castexplosive formula repeats parallel computing, until parallel computing fruit density maximum relative error is less than 2%, quick-fried heat is maximum relative
Error is less than 8%, when explosion velocity maximum relative error is less than 10%, stops cycle calculations, output density, quick-fried heat and detonation-rate explosive
Can data；
Step 6, controllers are manufactured manufacture control module is called by comprehensive scheduling module, and receive R ＆ D design module
The optimization data result of transmission, operation preparation is performed successively in order, material is fused and mixed, slurry casting and formed product, record are former
Expect weighing data, record fusion temperature, incorporation time, mixing speed and holding temperature technical process data.By technical process number
According to result, comprehensive scheduling module is fed back to, completes castexplosive digitlization research and development manufacture.
Further, the comprehensive scheduling module includes personal scheduling unit, logistics monitoring unit and data maintenance unit
Composition.
Further, the R ＆ D design module includes process optimization unit and explosive property estimates unit composition.
Further, it is described manufacture control module include operation preparatory unit, material be fused and mixed unit, slurry casting unit and
Formed product unit forms.
A kind of castexplosive digitlization research and development manufacture method, step 1, which is to start, performs comprehensive scheduling module, according to founding
Explosive product researches and develops demand, realizes that R ＆ D design personnel and the unified of manufacture staff arrange scheduling by comprehensive scheduling module,
The whole journey logistics monitoring of raw material, product, waste material is realized, R ＆ D design data is realized and manufactures the full maintenance guarantor of control data
Pipe.
Further, the calling that scheduling module is integrated by step 1 performs, and step 2 to step 5, which is to run, performs research and development
Design module.R ＆ D design module is the core that the present invention carries out castexplosive digitlization research and development manufacture.R ＆ D design module is total to
Meter includes two cellular constructions, and wherein process optimization unit is fried founding using Fluent and ProCAST simulation softwares
Medicine fusing, mixing, stirring and process of setting are digitized optimization design, and fusion temperature, mixing are formed according to required product
The technical process data such as time, mixing speed and holding temperature.Wherein explosive property estimates unit and calculates founding using the method for weighting
Explosive density, using law of Hess formula calculate castexplosive it is quick-fried heat, using Kamlet formula calculate castexplosive explosion velocity, according to
Product formula forms to form castexplosive performance data.R ＆ D design module is performed by running, by the technical process number of formation
, to manufacture control module, manufacture controllers are instructed to carry out castexplosive life according to correlated results according to explosive property data transfer
Production manufacture.
Further, the calling that scheduling module is integrated by step 1 performs, and step 6, which is to run, performs manufacture control mould
Block.By manufacture controllers according to operating process, and technical process data are referred to, order performs operation preparation, material is fused and mixed, material
Slurry casting and four control units of formed product, while record fusion temperature, incorporation time, mixing speed and holding temperature technique
Process data.Caused data result during being manufactured by manufacture controllers, feedback are preserved to comprehensive scheduling module,
Complete castexplosive digitlization research and development manufacture.
A kind of part of castexplosive digitlization research and development manufacture method is formed as shown in figure 1, by comprehensive scheduling module, research and development
Design module and manufacture control module composition, accordingly comprising data dimension declaration form member, logistics monitoring unit, personal scheduling unit and
Process optimization unit, explosive property estimate unit and operation preparatory unit, material be fused and mixed unit, slurry casting unit,
Formed product unit.Data bulk and flow direction and module are called and performed as shown in Figure 1.
Pass through comprehensive scheduling module, R ＆ D design module and the synergy for manufacturing control module, it is possible to achieve to molten
Cast the Design of digital and manufacturing process of explosive product, Optimizing Process Parameters and properties of product.
The present invention has advantages below：
1. thought and method of the invention based on Digitized Manufacturing Technology, can be greatly improved castexplosive product
R ＆ D design is horizontal and technology controlling and process is horizontal；
2. digitlization that the present invention is formed research and development manufacture method, can to dispatch, research and develop and manufacturing process in formed it is complete
Portion's data carry out maintenance and management, and data are complete, and data is complete, portable strong；
3. the castexplosive product that the digitlization research and development manufacture method that the present invention is formed can be directed to multiple combinations type is opened
Open up digital virtual design, favorable repeatability, technical merit height.
Brief description of the drawings
Fig. 1 is a kind of process control chart of castexplosive digitlization research and development manufacture method.
Embodiment
With reference to embodiment, the present invention will be further described, but the present invention is not limited by the following example.
Embodiment 1
A kind of castexplosive digitlization research and development manufacture method, the wherein entitled Ex1 of castexplosive, formula composition is TNT
(TNT) deterrent 3 of 30/ HMX (HMX), 62/ aluminium powder (Al) 5/.
Step 1, comprehensive scheduling module is run, determines that 2 R ＆ D design personnel are responsible for R ＆ D design, 4 manufacture control people
The responsible castexplosive of member is manufactured.It is determined that the title code name for needing to research and develop the castexplosive of manufacture is Ex1, formula composition is ladder
The grace ladder deterrent 3 of (TNT) 30/ HMX (HMX) 62/ aluminium powder (Al) 5/.The gross weight for recording raw material weighing is 1.4kg, its
Middle 1.0kg is effective target charging quality, and 0.4kg is standby riser feeding charging quality.Each component composition enters according to gross weight
Row is adjusted and records preservation.Record preserves the fusion temperature obtained by execution R ＆ D design module calculation optimization, incorporation time, stirred
The technical process data such as speed and holding temperature are mixed, record preserves the founding obtained by execution R ＆ D design module calculation optimization and fried
The explosive property data such as medicine density, quick-fried heat and explosion velocity.By workflow management and video image data monitoring record TNT, HMX and
Flow direction of material of the three kinds of explosive raw material such as Al in whole process for making.Activate R ＆ D design module and manufacture control mould
Block；
Step 2,2 R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, and it is excellent to perform technological process
Change assembly of elements, call startup fluid dynamics software Fluent to be digitized optimization to Ex1 castexplosive fusion processes and set
Meter.Construction fusing Cooker structure and mixed material model are created first by ICEM softwares, selection determines heating steam inlet, stream
Dynamic direction and outlet, top-down division calculate grid, form pre-treatment operation file；Next is directed into Fluent softwares
Melting pot and mixed material material parameter are set, Melting And Solidification computation model is set, heating steam inlet and back pressure are set
And temperature, set heat transfer initial and boundary condition, setting operational parameter control simultaneously calculate solution；After 3rd carries out result of calculation
Processing and analysis, when result of calculation does not meet the demand of actual process process, return to second step and reset.Finally calculate
To heating steam inlet pressure be about 0.125MPa, temperature is higher than about 14 DEG C of mixed material fusing point, stops cycle calculations, output
Ex1 castexplosive fusion temperatures are about 95 DEG C；
Step 3,2 R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, and it is excellent to perform technological process
Change assembly of elements, call startup fluid dynamics software Fluent to be digitized Ex1 castexplosive mixing process excellent
Change design.Construction stirred tank structure and mixed material model are created first by ICEM softwares, selection is determined inside stirred tank
Wall, selection determine stirrer paddle, and top-down division calculates grid, forms pre-treatment operation file；Secondly Fluent is imported
Stirred tank and mixed material material parameter are set in software, multiphase flow Mixed model is set, stirred tank interior wall is set
Face heating-up temperature, stirrer paddle mixing speed is set, operational parameter control is set and calculates solution；After 3rd carries out result of calculation
Processing and analysis, when result of calculation can not meet actual process demand, return to second step and reset, be finally calculated
Wall surface temperature is about 102 DEG C inside stirred tank, higher than 95 DEG C of mixed material melting temperature and less than heating vapor (steam) temperature 105
DEG C, mixing speed is about 45r/min, and density uniformity difference is about 1.9% at mixed material diverse location, stops circulation meter
Calculate, the incorporation time of output Ex1 castexplosives is about 25min, and mixing speed is about 45r/min；
Step 4,2 R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, and it is excellent to perform technological process
Change assembly of elements, call startup solidification simulation software ProCAST to be digitized optimization to castexplosive isothermal solidifying process and set
Meter, solidify mould using PreCAST component constructions and be fused and mixed slurry model, solidification mould is set and is fused and mixed slurry material ginseng
Number, selection determine die top, side and bottom and the heat transfer type being fused and mixed between slurry and arrange parameter, set and are fused and mixed
The initial temperature of slurry and mould, holding temperature is set, forms data file, DataCAST parts is continuing with and carries out data
File is debugged, and carries out calculating solution using ProCAST parts afterwards, after next carrying out result of calculation using ViewCAST parts
Processing and analysis, when result of calculation does not meet real process, are back to PreCAST parts and re-start setting, final Ex1 melts
The shrinkage defect formed after casting explosive solidification is entirely located in the additional rising head in mould upper end, stops cycle calculations, and output Ex1 melts
It is about 35 DEG C to cast explosive holding temperature；
Step 5,2 R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, and it is pre- to perform explosive property
Estimate assembly of elements, formed according to Ex1 castexplosives formula, using Fortran program languages, calculated using equal weight method of weighting
Castexplosive density, the quick-fried heat of castexplosive is calculated using law of Hess formula, and castexplosive explosion velocity is calculated using Kamlet formula,
Parallel computing is repeated to same castexplosive formula, final parallel computing fruit density maximum relative error is about 1.9%, quick-fried heat
Maximum relative error is about 7.5%, and explosion velocity maximum relative error is about 9%, stops cycle calculations, output density is about 1.74g/
cm3, quick-fried heat is about 5800kJ/kg, and explosion velocity is about 7850m/s；
Step 6,4 manufacture controllers call manufacture control module by comprehensive scheduling module, and receive R ＆ D design
The optimization data result of module transmission, operation preparation is performed successively in order, material is fused and mixed, slurry is cast and formed product, note
Record raw material weighing data, record fusion temperature, incorporation time, mixing speed and holding temperature technical process data.By technique mistake
Journey data result, comprehensive scheduling module is fed back to, complete the digitlization research and development manufacture of Ex1 castexplosives.
The present embodiment can effectively improve digitlization R ＆ D design level and the technical process management and control of castexplosive product, right
The technological document data formed during the manufacturing can be concluded and managed comprehensively, and can be directed to polytype founding
Explosive formulation composition carries out research and development manufacture.
Embodiment 2
A kind of castexplosive digitlization research and development manufacture method, the wherein entitled Ex2 of castexplosive, formula composition is TNT
(TNT) microwax (W) 1 of 30/ HMX (HMX) 69/.
Step 1, comprehensive scheduling module is run, determines that 2 R ＆ D design personnel are responsible for R ＆ D design, 3 manufacture control people
The responsible castexplosive of member is manufactured.It is determined that the title code name for needing to research and develop the castexplosive of manufacture is Ex2, formula composition is ladder
Grace ladder (TNT) 30/ HMX (HMX) 69/ microwax (W) 1.The gross weight for recording raw material weighing is 1.3kg, wherein 1.0kg
For effective target charging quality, 0.3kg is standby riser feeding charging quality.Each component composition is adjusted simultaneously according to gross weight
Record preserves.Record preserve obtained by execution R ＆ D design module calculation optimization fusion temperature, incorporation time, mixing speed and
The technical process data such as holding temperature, record preserve obtained by execution R ＆ D design module calculation optimization castexplosive density,
The explosive property data such as quick-fried heat and explosion velocity.Pass through two kinds of explosives such as workflow management and video image data monitoring record TNT and HMX
Flow direction of material of the raw material in whole process for making.Activate R ＆ D design module and manufacture control module；
Step 2,2 R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, and it is excellent to perform technological process
Change assembly of elements, call startup fluid dynamics software Fluent to be digitized optimization to Ex2 castexplosive fusion processes and set
Meter.Construction fusing Cooker structure and mixed material model are created first by ICEM softwares, selection determines heating steam inlet, stream
Dynamic direction and outlet, top-down division calculate grid, form pre-treatment operation file；Next is directed into Fluent softwares
Melting pot and mixed material material parameter are set, Melting And Solidification computation model is set, heating steam inlet and back pressure are set
And temperature, set heat transfer initial and boundary condition, setting operational parameter control simultaneously calculate solution；After 3rd carries out result of calculation
Processing and analysis, when result of calculation does not meet the demand of actual process process, return to second step and reset.Finally calculate
To heating steam inlet pressure be about 0.12MPa, temperature is higher than about 11 DEG C of mixed material fusing point, stops cycle calculations, output
Ex2 castexplosive fusion temperatures are about 92 DEG C；
Step 3,2 R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, and it is excellent to perform technological process
Change assembly of elements, call startup fluid dynamics software Fluent to be digitized Ex2 castexplosive mixing process excellent
Change design.Construction stirred tank structure and mixed material model are created first by ICEM softwares, selection is determined inside stirred tank
Wall, selection determine stirrer paddle, and top-down division calculates grid, forms pre-treatment operation file；Secondly Fluent is imported
Stirred tank and mixed material material parameter are set in software, multiphase flow Mixed model is set, stirred tank interior wall is set
Face heating-up temperature, stirrer paddle mixing speed is set, operational parameter control is set and calculates solution；After 3rd carries out result of calculation
Processing and analysis, when result of calculation can not meet actual process demand, return to second step and reset, be finally calculated
Wall surface temperature is about 100 DEG C inside stirred tank, higher than 92 DEG C of mixed material melting temperature and less than heating vapor (steam) temperature 103
DEG C, mixing speed is about 35r/min, and density uniformity difference is about 1.5% at mixed material diverse location, stops circulation meter
Calculate, the incorporation time of output Ex2 castexplosives is about 22min, and mixing speed is about 35r/min；
Step 4,2 R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, and it is excellent to perform technological process
Change assembly of elements, call startup solidification simulation software ProCAST to be digitized optimization to castexplosive isothermal solidifying process and set
Meter, solidify mould using PreCAST component constructions and be fused and mixed slurry model, solidification mould is set and is fused and mixed slurry material ginseng
Number, selection determine die top, side and bottom and the heat transfer type being fused and mixed between slurry and arrange parameter, set and are fused and mixed
The initial temperature of slurry and mould, holding temperature is set, forms data file, DataCAST parts is continuing with and carries out data
File is debugged, and carries out calculating solution using ProCAST parts afterwards, after next carrying out result of calculation using ViewCAST parts
Processing and analysis, when result of calculation does not meet real process, are back to PreCAST parts and re-start setting, final Ex2 melts
The shrinkage defect formed after casting explosive solidification is entirely located in the additional rising head in mould upper end, stops cycle calculations, and output Ex2 melts
It is about 35 DEG C to cast explosive holding temperature；
Step 5,2 R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, and it is pre- to perform explosive property
Estimate assembly of elements, formed according to Ex2 castexplosives formula, using Fortran program languages, calculated using equal weight method of weighting
Castexplosive density, the quick-fried heat of castexplosive is calculated using law of Hess formula, and castexplosive explosion velocity is calculated using Kamlet formula,
Parallel computing is repeated to same castexplosive formula, final parallel computing fruit density maximum relative error is about 1.6%, quick-fried heat
Maximum relative error is about 7.1%, and explosion velocity maximum relative error is about 5.0%, stops cycle calculations, and output density is about
1.75g/cm3, quick-fried heat is about 4950kJ/kg, and explosion velocity is about 8050m/s；
Step 6,3 manufacture controllers call manufacture control module by comprehensive scheduling module, and receive R ＆ D design
The optimization data result of module transmission, operation preparation is performed successively in order, material is fused and mixed, slurry is cast and formed product, note
Record raw material weighing data, record fusion temperature, incorporation time, mixing speed and holding temperature technical process data.By technique mistake
Journey data result, comprehensive scheduling module is fed back to, complete the digitlization research and development manufacture of Ex2 castexplosives.
Castexplosive Design of digital thought finds full expression in the present embodiment, and R ＆ D design level significantly improves, shape
Into various process performance data and technical data files can be maintained easily and be managed, data information is complete, repeatability
It is good.Associative operation experience can be generalized to a variety of castexplosive formula compositions.
Embodiment 3
A kind of castexplosive digitlization research and development manufacture method, the wherein entitled Ex3 of castexplosive, formula composition is 2,4- bis-
The surfactant (SA) 2 of 29/ RDX (RDX) of Nitroanisole (DNAN), 52/ aluminium powder (Al) 17/.
Step 1, comprehensive scheduling module is run, determines that 2 R ＆ D design personnel are responsible for R ＆ D design, 5 manufacture control people
The responsible castexplosive of member is manufactured.It is determined that the title code name for needing to research and develop the castexplosive of manufacture is Ex3, formula composition is 2,
The surfactant (SA) 2 of 29/ RDX (RDX) of 4- dinitroanisols (DNAN), 52/ aluminium powder (Al) 17/.Record raw material weighing
Gross weight be 1.5kg, wherein 1.0kg is effective target charging quality, and 0.5kg is standby riser feeding charging quality.Each group
It is grouped into and preservation is adjusted and recorded according to gross weight.Record preserves to be melted by what execution R ＆ D design module calculation optimization obtained
Change the technical process data such as temperature, incorporation time, mixing speed and holding temperature, record is preserved by execution R ＆ D design module meter
Calculate the explosive property data such as castexplosive density, quick-fried heat and explosion velocity that optimization obtains.Pass through workflow management and video image data
Flow direction of material of the three kinds of explosive raw material such as monitoring record DNAN, RDX and Al in whole process for making.Activation research and development are set
Count module and manufacture control module；
Step 2,2 R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, and it is excellent to perform technological process
Change assembly of elements, call startup fluid dynamics software Fluent to be digitized optimization to Ex3 castexplosive fusion processes and set
Meter.Construction fusing Cooker structure and mixed material model are created first by ICEM softwares, selection determines heating steam inlet, stream
Dynamic direction and outlet, top-down division calculate grid, form pre-treatment operation file；Next is directed into Fluent softwares
Melting pot and mixed material material parameter are set, Melting And Solidification computation model is set, heating steam inlet and back pressure are set
And temperature, set heat transfer initial and boundary condition, setting operational parameter control simultaneously calculate solution；After 3rd carries out result of calculation
Processing and analysis, when result of calculation does not meet the demand of actual process process, return to second step and reset.Finally calculate
To heating steam inlet pressure be about 0.14MPa, temperature is higher than about 16 DEG C of mixed material fusing point, stops cycle calculations, output
Ex3 castexplosive fusion temperatures are about 103 DEG C；
Step 3,2 R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, and it is excellent to perform technological process
Change assembly of elements, call startup fluid dynamics software Fluent to be digitized Ex1 castexplosive mixing process excellent
Change design.Construction stirred tank structure and mixed material model are created first by ICEM softwares, selection is determined inside stirred tank
Wall, selection determine stirrer paddle, and top-down division calculates grid, forms pre-treatment operation file；Secondly Fluent is imported
Stirred tank and mixed material material parameter are set in software, multiphase flow Mixed model is set, stirred tank interior wall is set
Face heating-up temperature, stirrer paddle mixing speed is set, operational parameter control is set and calculates solution；After 3rd carries out result of calculation
Processing and analysis, when result of calculation can not meet actual process demand, return to second step and reset, be finally calculated
Wall surface temperature is about 107 DEG C inside stirred tank, higher than 103 DEG C of mixed material melting temperature and less than heating vapor (steam) temperature 112
DEG C, mixing speed is about 42r/min, and density uniformity difference is about 1.7% at mixed material diverse location, stops circulation meter
Calculate, the incorporation time of output Ex3 castexplosives is about 35min, and mixing speed is about 42r/min；
Step 4,2 R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, and it is excellent to perform technological process
Change assembly of elements, call startup solidification simulation software ProCAST to be digitized optimization to castexplosive isothermal solidifying process and set
Meter, solidify mould using PreCAST component constructions and be fused and mixed slurry model, solidification mould is set and is fused and mixed slurry material ginseng
Number, selection determine die top, side and bottom and the heat transfer type being fused and mixed between slurry and arrange parameter, set and are fused and mixed
The initial temperature of slurry and mould, holding temperature is set, forms data file, DataCAST parts is continuing with and carries out data
File is debugged, and carries out calculating solution using ProCAST parts afterwards, after next carrying out result of calculation using ViewCAST parts
Processing and analysis, when result of calculation does not meet real process, are back to PreCAST parts and re-start setting, final Ex3 melts
The shrinkage defect formed after casting explosive solidification is entirely located in the additional rising head in mould upper end, stops cycle calculations, and output Ex3 melts
It is about 40 DEG C to cast explosive holding temperature；
Step 5,2 R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, and it is pre- to perform explosive property
Estimate assembly of elements, formed according to Ex3 castexplosives formula, using Fortran program languages, calculated using equal weight method of weighting
Castexplosive density, the quick-fried heat of castexplosive is calculated using law of Hess formula, and castexplosive explosion velocity is calculated using Kamlet formula,
Parallel computing is repeated to same castexplosive formula, final parallel computing fruit density maximum relative error is about 1.5%, quick-fried heat
Maximum relative error is about 7.4%, and explosion velocity maximum relative error is about 9.0%, stops cycle calculations, and output density is about
1.74g/cm3, quick-fried heat is about 8250kJ/kg, and explosion velocity is about 7300m/s；
Step 6,5 manufacture controllers call manufacture control module by comprehensive scheduling module, and receive R ＆ D design
The optimization data result of module transmission, wherein 2 manufacture controllers are first carried out operating preparatory unit, 3 manufacture controls in addition
Personnel processed perform material and are fused and mixed unit, slurry casting unit and formed product unit successively, are responsible for performing the 2 of operation preparatory unit
Name manufacture controllers are responsible for data result during record unit, feed back to comprehensive scheduling module.So as to form data
Closed loop and product closed loop, complete the research and development manufacture of Ex3 castexplosives.
Castexplosive level of digital is high in the present embodiment, and process management controlled level is improved, manufactured simultaneously
During the various technical data that are formed can be with classified finishing, and the castexplosive that can be directed to a variety of different combination types be opened
Open up digital virtual design.
The data in castexplosive research and development of products manufacturing process in 1~embodiment of embodiment 3 are as shown in table 1.
The castexplosive research and development of products manufacturing process data of table 1
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.
Claims (4)
1. a kind of castexplosive digitlization research and development manufacture method, the development of castexplosive is realized by digitized mine method, its
It is characterised by, the research and development manufacture method is formed by integrating scheduling module, R ＆ D design module and manufacture control module, including with
Lower step；
Step 1, comprehensive scheduling module is run, determines R ＆ D design personnel and manufacture controllers, it is determined that needing to research and develop manufacture
Castexplosive title and specific formula composition, record preserve the various raw material weighing data of castexplosive, record preserve by
Perform the technical process such as fusion temperature, incorporation time, mixing speed and holding temperature that R ＆ D design module calculation optimization obtains
Data, record preserve the explosives such as the castexplosive density obtained by execution R ＆ D design module calculation optimization, quick-fried heat and explosion velocity
Energy data, pass through workflow management and video image data monitoring record castexplosive carrier, the main explosive of solid phase and metal powder material etc.
The logistics flow direction of industrial chemicals, activation R ＆ D design module and manufacture control module；
Step 2, R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, perform process optimization unit portion
Part, startup fluid dynamics software Fluent is called to be digitized optimization design to castexplosive fusion process, first by
ICEM softwares create construction fusing Cooker structure and mixed material model, selection determine heating steam inlet, flow direction and
Outlet, top-down division calculate grid, form pre-treatment operation file, next is directed into Fluent softwares and sets melting pot
And mixed material material parameter, Melting And Solidification computation model is set, heating steam inlet and back pressure and temperature are set, is set
Heat transfer is initial and boundary condition, setting operational parameter control simultaneously calculate solution, and the 3rd carries out result of calculation post processing and analysis,
When result of calculation does not meet the demand of actual process process, return to second step and reset, until the heating being calculated is steamed
Vapour inlet pressure stops circulation meter between 0.12MPa~0.14MPa, when temperature is higher than 10 DEG C~20 DEG C of mixed material fusing point
Calculate, export fusion temperature technical process data；
Step 3, R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, perform process optimization unit portion
Part, startup fluid dynamics software Fluent is called to be digitized optimization design to castexplosive mixing process, first
Created using ICEM softwares and construct stirred tank structure and mixed material model, selection determines wall inside stirred tank, and selection is really
Determine stirrer paddle, top-down division calculates grid, forms pre-treatment operation file, secondly imports in Fluent softwares to set and stirs
Kettle and mixed material material parameter are mixed, multiphase flow Mixed model is set, wall heating-up temperature inside stirred tank is set, if
Stirrer paddle mixing speed is put, operational parameter control is set and calculates solution, the 3rd carries out result of calculation post processing and analysis, when
When result of calculation can not meet actual process demand, return to second step and reset, until the stirred tank interior wall being calculated
Face temperature higher than mixed material melting temperature and less than heating vapor (steam) temperature, mixing speed between 30r/min~60r/min it
Between, mixed material density uniformity difference stops cycle calculations when being less than 2%, export incorporation time and mixing speed technical process
Data；
Step 4, R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, perform process optimization unit portion
Part, call startup solidification simulation software ProCAST to be digitized optimization design to castexplosive isothermal solidifying process, use
PreCAST component constructions solidify mould and are fused and mixed slurry model, set solidification mould and are fused and mixed slurry material parameter, selection
Determine die top, side and bottom and be fused and mixed slurry between heat transfer type and arrange parameter, set be fused and mixed slurry with
And the initial temperature of mould, holding temperature is set, forms data file, DataCAST parts is continuing with and carries out data file tune
Examination, carry out calculating solution using ProCAST parts afterwards, next using ViewCAST parts carry out result of calculation post processing and
Analysis, when result of calculation does not meet real process, is back to PreCAST parts and re-starts setting, until castexplosive coagulates
When Gu the shrinkage defect formed after is entirely located in the additional rising head in mould upper end, stop cycle calculations, export holding temperature work
Skill process data；
Step 5, R ＆ D design personnel call R ＆ D design module by comprehensive scheduling module, perform explosive property and estimate unit portion
Part, formed according to castexplosive formula, using Fortran program languages, it is close to calculate castexplosive using equal weight method of weighting
Degree, the quick-fried heat of castexplosive is calculated using law of Hess formula, castexplosive explosion velocity is calculated using Kamlet formula, to same founding
Explosive formulation repeats parallel computing, until parallel computing fruit density maximum relative error is less than 2%, quick-fried hot maximum relative error
Less than 8%, when explosion velocity maximum relative error is less than 10%, stop cycle calculations, output density, quick-fried heat and detonation-rate explosive performance number
According to；
Step 6, controllers are manufactured manufacture control module is called by comprehensive scheduling module, and receive R ＆ D design module transmission
Optimization data result, in order successively perform operation prepare, material be fused and mixed, slurry casting and formed product, record raw material claim
Measure data, record fusion temperature, incorporation time, mixing speed and holding temperature technical process data.By technical process data knot
Fruit, comprehensive scheduling module is fed back to, complete castexplosive digitlization research and development manufacture.
2. manufacture method is researched and developed according to claim 1, it is characterised in that the comprehensive scheduling module includes personal scheduling list
Member, data dimension declaration form member and logistics monitoring unit composition.
3. research and development manufacture method according to claim 1, it is characterised in that the R ＆ D design module includes technological process
Optimization unit and explosive property estimate unit composition.
4. research and development manufacture method according to claim 1, it is characterised in that the manufacture control module includes operation and prepared
Unit, material are fused and mixed unit, slurry casting unit and formed product unit composition.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109711042A (en) * | 2018-12-25 | 2019-05-03 | 成都安世亚太科技有限公司 | A kind of novel explosive founding emulation mode |
| CN110160413A (en) * | 2019-06-12 | 2019-08-23 | 西安近代化学研究所 | A kind of hot plug feeding technology design method of big L/D ratio castexplosive powder charge |
| CN113378250A (en) * | 2021-04-23 | 2021-09-10 | 中国兵器装备集团自动化研究所有限公司 | Parameter adaptation system for solidification molding of projectile fusion cast explosive and generation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487165A (en) * | 2013-09-22 | 2014-01-01 | 中北大学 | Testing system for internal temperature distribution in process of fusion cast forming of explosives |
| CN103804103A (en) * | 2013-11-25 | 2014-05-21 | 邵建军 | Temperature control molding device of cast explosive |
| CN104897522A (en) * | 2015-06-05 | 2015-09-09 | 西安近代化学研究所 | Automatic castable explosive fluidity measuring device |
| CN106000174A (en) * | 2016-05-26 | 2016-10-12 | 西安近代化学研究所 | Small melt-cast explosive melt mixing device |
-
2017
- 2017-09-06 CN CN201710797299.1A patent/CN107512996B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487165A (en) * | 2013-09-22 | 2014-01-01 | 中北大学 | Testing system for internal temperature distribution in process of fusion cast forming of explosives |
| CN103804103A (en) * | 2013-11-25 | 2014-05-21 | 邵建军 | Temperature control molding device of cast explosive |
| CN104897522A (en) * | 2015-06-05 | 2015-09-09 | 西安近代化学研究所 | Automatic castable explosive fluidity measuring device |
| CN106000174A (en) * | 2016-05-26 | 2016-10-12 | 西安近代化学研究所 | Small melt-cast explosive melt mixing device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109711042A (en) * | 2018-12-25 | 2019-05-03 | 成都安世亚太科技有限公司 | A kind of novel explosive founding emulation mode |
| CN110160413A (en) * | 2019-06-12 | 2019-08-23 | 西安近代化学研究所 | A kind of hot plug feeding technology design method of big L/D ratio castexplosive powder charge |
| CN110160413B (en) * | 2019-06-12 | 2021-11-23 | 西安近代化学研究所 | Large length-diameter ratio fusion cast explosive charging hot core rod feeding process design method |
| CN113378250A (en) * | 2021-04-23 | 2021-09-10 | 中国兵器装备集团自动化研究所有限公司 | Parameter adaptation system for solidification molding of projectile fusion cast explosive and generation method |
| CN113378250B (en) * | 2021-04-23 | 2022-11-08 | 中国兵器装备集团自动化研究所有限公司 | Parameter adaptation system for solidification molding of projectile fusion cast explosive and generation method |
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