CN113239501A - Vertical pouring system sectional area calculation model, acquisition method and system - Google Patents

Vertical pouring system sectional area calculation model, acquisition method and system Download PDF

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CN113239501A
CN113239501A CN202110786883.3A CN202110786883A CN113239501A CN 113239501 A CN113239501 A CN 113239501A CN 202110786883 A CN202110786883 A CN 202110786883A CN 113239501 A CN113239501 A CN 113239501A
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sectional area
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CN113239501B (en
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朱冬良
赵忠华
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Kehua Holdings Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/082—Sprues, pouring cups
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    • G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract

The invention belongs to the technical field of cast iron pouring, and particularly relates to a cross-sectional area calculation model of a vertical pouring system, an acquisition method and a system, wherein the cross-sectional area acquisition method of the vertical pouring system comprises the following steps: acquiring parameters of a gating system; acquiring area parameters required in the pouring system according to the parameters and the cross section calculation model of the vertical pouring system; and constructing a gating system according to the area parameter 3DThe model realizes accurate calculation of the sectional area of the vertical pouring system, improves the yield and improves the surface quality of the casting.

Description

Vertical pouring system sectional area calculation model, acquisition method and system
Technical Field
The invention belongs to the technical field of cast iron pouring, and particularly relates to a cross-sectional area calculation model of a vertical pouring system, an acquisition method and a system.
Background
Determining the sectional area of a pouring system according to a calculation formula recommended by DISA company, and proving that the pouring time is too long through multiple practices, the flow is easy to break, and the designed and preset pouring speed cannot be achieved; for the two-layer or multi-layer process of template arrangement, the purpose of basically filling each layer simultaneously can be realized by multiple times of adjustment. Due to the fact that a pouring system is unreasonable in design, the surface quality of a poured casting is poor, and defects such as slag holes and air holes are prone to occurring.
Therefore, a new cross-sectional area calculation model, an acquisition method and a system for a vertical pouring system are needed to be designed based on the technical problems.
Disclosure of Invention
The invention aims to provide a cross-sectional area calculation model of a vertical pouring system, an acquisition method and a system.
In order to solve the above technical problem, the present invention provides a cross-sectional area calculation model for a vertical pouring system, comprising: obtaining water inflow area of all casting units in a gating systemS General assembly：
Figure 931591DEST_PATH_IMAGE001
；
Obtaining the water entry area of a single casting in a gating systemS Sheet：
Figure 317573DEST_PATH_IMAGE002
；
Wherein the content of the first and second substances,nthe number of casting units;Gis the total weight of the molten metal in the mold in units ofkg；TFor casting time, the unit is:s；
Figure 831731DEST_PATH_IMAGE003
is the density of the material in the casting system;
Figure 899044DEST_PATH_IMAGE004
the molten metal flow velocity at the inlet of the casting is given bycm/s；
Obtaining the lap joint area of the upper and lower layers of horizontal pouring channels and the straight pouring channelS Transverse lap area、S Transverse lap area：
Figure 182258DEST_PATH_IMAGE005
；
Figure 473562DEST_PATH_IMAGE006
Wherein the content of the first and second substances,S transverse lap areaThe lap joint area of the upper layer horizontal pouring channel and the straight pouring channel is adopted;S transverse lap areaThe lap joint area of the lower layer horizontal pouring channel and the straight pouring channel is adopted;S resist downThe cross section of the lower straight pouring channel;S on blockThe cross section of the upper layer straight pouring channel;N 1the number of upper casting units;N 2the number of lower layer casting units;
Figure 475016DEST_PATH_IMAGE007
。
in a second aspect, the present invention further provides a method for obtaining a cross-sectional area of a vertical gating system using the cross-sectional area calculation model of a vertical gating system, including: acquiring parameters of a gating system; acquiring area parameters required in the pouring system according to the parameters and the cross section calculation model of the vertical pouring system; and constructing a gating system according to the area parameter 3DAnd (4) modeling.
Further, the method for acquiring the parameter of the gating system comprises the following steps: obtaining the total weight of the molten metal in the casting moldGThe unit is:kgweight of casting unitG1, unit is:kgpouring timeTThe unit is:scoefficient of frictionuDistance between the upper layer cross gate and the pouring cupH 1The unit is:cmdistance between lower layer cross gate and pouring cupH 2The unit is:cmheight of the castingCThe unit is:cm。
further, the pouring timeTComprises the following steps:
Figure 142758DEST_PATH_IMAGE008
；
wherein the content of the first and second substances,Vthe casting speed is adopted;tsprue fill time.
Further, the method for obtaining the area parameter required in the gating system according to the parameter and the cross-sectional area calculation model of the vertical gating system comprises the following steps:
obtaining the water inflow area of all castings in a gating systemS General assembly：
Figure 483741DEST_PATH_IMAGE009
；
Wherein the content of the first and second substances,
Figure 211525DEST_PATH_IMAGE010
the molten metal flow velocity at the inlet of the casting is given bycm/s；
Obtaining the water entry area of a single casting in a gating systemS Sheet：
Figure 652607DEST_PATH_IMAGE011
；
Wherein the content of the first and second substances,nthe number of casting units;
obtain a singleS Horizontal bar：
Figure 124039DEST_PATH_IMAGE012
；
Wherein the content of the first and second substances,
Figure 319529DEST_PATH_IMAGE013
is an empirical coefficient;
determining upper layer average pressure headh POn the upper part：
Figure 218214DEST_PATH_IMAGE014
；
Determining the average pressure head of the lower layerh PLower part：
Figure 194261DEST_PATH_IMAGE015
；
Wherein the content of the first and second substances,Pthe height of the cavity above the ingate.
Further, the method for obtaining the area parameter required in the gating system according to the parameter and the cross-sectional area calculation model of the vertical gating system further comprises the following steps:
obtaining the cross-sectional area of the lower sprueS Resist down：
Figure 141488DEST_PATH_IMAGE016
；
Wherein the content of the first and second substances,
Figure 253801DEST_PATH_IMAGE017
is a hydraulic formula constant;
Figure 323388DEST_PATH_IMAGE018
is the density of the material in the casting system;N 2the number of lower layer casting units;
obtaining the sectional area of the upper sprueS On block：
Figure 724413DEST_PATH_IMAGE019
；
Wherein the content of the first and second substances,N 1the number of the upper-layer casting units is,
Figure 537648DEST_PATH_IMAGE020
。
further, the method for obtaining the area parameter required in the gating system according to the parameter and the cross-sectional area calculation model of the vertical gating system further comprises the following steps:
obtaining the lap joint area of the upper and lower layers of horizontal pouring channels and the straight pouring channelS Transverse lap area、S Transverse lap area：
Figure 504467DEST_PATH_IMAGE021
；
Figure 744956DEST_PATH_IMAGE022
。
Further, the construction of the gating system according to the area parameter 3DThe method of modeling includes: according toS General assembly、S Sheet、S Horizontal bar、S Resist down、S On block、S Transverse lap area、S Transverse lap areaAnd parameter construction casting system of casting systemSystem 3DAnd (4) modeling.
In a third aspect, the present invention further provides a system for acquiring a cross-sectional area of a vertical gating system, which includes: the parameter module is used for acquiring parameters of the gating system; the calculation module is used for acquiring area parameters required in the pouring system according to the parameters and the cross section calculation model of the vertical pouring system; and a construction module for constructing a gating system 3 according to the area parameterDAnd (4) modeling.
The method has the advantages that the parameters of the gating system are obtained; acquiring area parameters required in the pouring system according to the parameters and the cross section calculation model of the vertical pouring system; and constructing a gating system according to the area parameter 3DThe model realizes accurate calculation of the sectional area of the vertical pouring system and improves the surface quality of the casting.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart of a method of obtaining a cross-sectional area of a vertical gating system according to the present invention;
FIG. 2 is a schematic view of a vertical runner system in accordance with the present invention;
FIG. 3 is a schematic block diagram of a vertical gating system cross-sectional area acquisition system in accordance with the present invention.
In the figure:
1 is the height of the castingC；
2 is the distance between the upper layer cross gate and the pouring cupH 1；
3 is the distance between the lower layer cross gate and the pouring cupH 2；
4 is the water inflow area of a single castingS Sheet；
5 is the cross-sectional area of a single cross-runnerS Horizontal bar；
6 is the cross section area of the lower straight pouring channelS Resist down；
7 is the cross section area of the upper straight pouring channelS On block；
8 is the lap joint area of the lower layer horizontal pouring channel and the straight pouring channelS Transverse lap area；
9 is the overlapping area of the upper layer horizontal pouring channel and the straight pouring channelS Transverse lap area。
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
This embodiment 1 provides a cross-sectional area calculation model of a vertical casting system, including:
obtaining water inflow area of all casting units in a gating systemS General assembly：
Figure 364769DEST_PATH_IMAGE023
；
Obtaining the water entry area of a single casting in a gating systemS Sheet：
Figure 716115DEST_PATH_IMAGE024
；
Wherein the content of the first and second substances,nthe number of casting units;Gthe total weight of the metal liquid in the casting mold is as follows:kg；Tfor casting time, the unit is:s；
Figure 803020DEST_PATH_IMAGE025
is the density of the material in the casting system;
Figure 214410DEST_PATH_IMAGE026
the molten metal flow velocity at the inlet of the casting is given bycm/sMolten metal flow rate selection 60 at the casting inletcm/s；
Obtaining the lap joint area of the upper and lower layers of horizontal pouring channels and the straight pouring channelS Transverse lap area、S Transverse lap area：
Figure 324448DEST_PATH_IMAGE027
；
Figure 479486DEST_PATH_IMAGE028
；
Wherein the content of the first and second substances,S transverse lap areaThe lap joint area of the upper layer horizontal pouring channel and the straight pouring channel is adopted;S transverse lap areaThe lap joint area of the lower layer horizontal pouring channel and the straight pouring channel is adopted;S resist downThe cross section of the lower straight pouring channel;S on blockThe cross section of the upper layer straight pouring channel;N 1the number of upper casting units;N 2the number of lower layer casting units;
Figure 889739DEST_PATH_IMAGE029
(ii) a The method has the advantages that the sectional area of the vertical pouring system is accurately calculated, the surface quality of the casting is improved when the subsequent pouring is carried out according to the sectional area of the vertical pouring system, the flow cutoff is avoided along with the lengthening of the pouring time, the preset pouring speed is always maintained, and the modeling efficiency is not influenced.
Example 2
FIG. 1 is a flow chart of a method for obtaining a cross-sectional area of a vertical gating system according to the present invention.
As shown in fig. 1, on the basis of embodiment 1, this embodiment 2 further provides a method for obtaining a cross-sectional area of a vertical gating system by using the cross-sectional area calculation model of the vertical gating system in embodiment 1, including: acquiring parameters of a gating system; acquiring area parameters required in the pouring system according to the parameters and the cross section calculation model of the vertical pouring system; and constructing a gating system according to the area parameter 3DThe model realizes accurate calculation of the sectional area of the vertical pouring system and improves the surface quality of the casting; as the pouring time is prolonged, the flow cutoff can not occur, the preset pouring speed is always maintained, and the molding efficiency can not be influenced.
In the embodiment, in the method for acquiring the cross section of the vertical pouring system, the casting water inlet linear velocity is controlled to be 0.6m/sThe following; and measuring the distance between the casting cavity and the top surface of the model to be used as an actual pressure head, and taking the cross section area of the sprue as the minimum flow resistance.
FIG. 2 is a schematic view of a vertical runner system in accordance with the present invention.
As shown in fig. 2, in this embodiment, the method for obtaining the parameter of the gating system includes: obtaining the total weight of the molten metal in the casting moldG(unit is:kg) Weight of casting unitG1 (unit is:kg) Pouring timeT(unit is:s) Coefficient of frictionu（u= 0.3-0.35), distance of upper layer cross gate from pouring cupH 1(unit is:cm) Distance between lower layer cross gate and pouring cupH 2(unit is:cm) Height of the castingC(unit is:cm）。
in this example, the pouring timeTComprises the following steps:
Figure 675292DEST_PATH_IMAGE030
(ii) a Wherein the content of the first and second substances,Vfor casting speed (unit:kg/s) Pouring speed of 2-5kg/sE.g. 4kg/s；tFor sprue fill time, it may be 1-2 seconds, e.g. 1 s。
In this embodiment, the method for obtaining the area parameter required in the gating system according to the parameter and the vertical gating system cross-sectional area calculation model includes:
obtaining the water inflow area of all castings in a gating systemS General assembly(unit is:cm 2）：
Figure 69365DEST_PATH_IMAGE031
；
wherein the content of the first and second substances,
Figure 28093DEST_PATH_IMAGE032
the molten metal flow velocity at the inlet of the casting is given bycm/s；
Obtaining water inflow area of a single casting in a gating systemS Sheet(unit is:cm 2）：
Figure 558432DEST_PATH_IMAGE033
；
wherein the content of the first and second substances,nthe number of the casting units is the same as the number of the casting units, n is 4;
obtaining cross-sectional area of single runnerS Horizontal bar(Cross-sectional area of runner in unit ofcm 2）：
Figure 311624DEST_PATH_IMAGE034
；
Wherein the content of the first and second substances,
Figure 399185DEST_PATH_IMAGE035
an empirical coefficient, the value of which is 1 to 1.2;
determining upper layer average pressure headh POn the upper part：
Figure 896025DEST_PATH_IMAGE036
；
Determining the average pressure head of the lower layerh PLower part：
Figure 812028DEST_PATH_IMAGE037
；
Wherein the content of the first and second substances,Pthe height of the cavity above the ingate; at the time of top pouringP=0, time of injectionP=C/2, at bottom pourP=C。
In this embodiment, the method for obtaining the area parameter required in the gating system according to the parameter and the vertical gating system cross-sectional area calculation model further includes:
obtaining the cross-sectional area of the lower sprueS Resist down(lower sprue Cross-sectional area in units ofcm 2）：
Figure 470543DEST_PATH_IMAGE038
；
Wherein the content of the first and second substances,
Figure 42470DEST_PATH_IMAGE039
is a hydraulic formula constant of 22.6;
Figure 343001DEST_PATH_IMAGE040
the density of the material in the casting system may vary depending on the actual material, in this example gray iron, with a density of 7.2g/cm 3；u0.3 can be recommended; because the water is injected into the casting as the bottom,
Figure 113511DEST_PATH_IMAGE041
、
Figure 146189DEST_PATH_IMAGE042
；N 2the number of lower layer casting units;
obtaining the sectional area of the upper sprueS On block(Upper sprue Cross-sectional area in units ofcm 2）：
Figure 2149DEST_PATH_IMAGE043
；
Wherein the content of the first and second substances,N 1the number of the upper-layer casting units is,
Figure 106372DEST_PATH_IMAGE044
。
in this embodiment, the method for obtaining the area parameter required in the gating system according to the parameter and the vertical gating system cross-sectional area calculation model further includes:
obtaining the lap joint area of the upper layer cross pouring channel and the straight pouring channelS Transverse lap areaThe lap joint area of the lower layer horizontal pouring gate and the straight pouring gateS Transverse lap area：
Figure 465809DEST_PATH_IMAGE045
；
Figure 731705DEST_PATH_IMAGE046
。
In this embodiment, the gating system is constructed according to the area parameter 3DThe method of modeling includes: according toS General assembly、S Sheet、S Horizontal bar、S Resist down、S On block、S Transverse lap area、S Transverse lap areaAnd parameters of the gating system to construct 3 of the gating systemDModel (by three-dimensional design software)UG NXConstruction 3DA model); will 3DModel import casting simulation softwareMAGMAThe simulation can achieve the effect of filling the upper layer and the lower layer simultaneously, and the surface quality of the cast is improved.
In particular, the weight of the casting units is estimated, and the unit weights of the casting units are calculatedG1=5kgThe estimated weight of the gating system 9kgTotal weight of molten metal in the moldG=4×5+9=29kg；
The pouring time is determined, and the pouring time is determined,
Figure 9715DEST_PATH_IMAGE047
get 6s(ii) a Pouring speedVPress 4kg/sCalculation of sprue fill timetIs 1 s;
calculating the water inlet area of the single casting,
Figure 652049DEST_PATH_IMAGE048
；
Figure 397151DEST_PATH_IMAGE049
can take a value of 2.8cm 2；
The sectional area of the single cross pouring channel is calculated,S horizontal bar=1.2S Sheet=1.2*2.8=3.36cm 2Can take 3.4cm 2；
Determining upper layer average pressure headh POn the upper partAnd determining the average pressure head of the lower layerh PLower part：
Estimating the distance between the upper-layer cross gate and the pouring cup according to the arrangement position of the casting on the templateH 1（H 1Is 28 of cm) Distance between lower layer cross gate and pouring cupH 2（H 2Is 49 of cm) Height of castingCIs 20cm；
h pOn the upper part=H 1-C/2=28-10=18cm；
h pLower part=H 2-C/2=49-10=39cm；
The number of the upper layer casting units and the number of the lower layer casting units are both 2, and the sectional areas of the upper and lower layer straight pouring channels are obtainedS On block、S Resist down：
Figure 37211DEST_PATH_IMAGE050
Can take the value of 7cm 2；
Figure 602185DEST_PATH_IMAGE051
Can take a value of 2.8cm 2；
The number of the upper layer casting units and the number of the lower layer casting units are both 2, and the lap joint area of the upper layer cross pouring channel, the lower layer cross pouring channel and the sprue is obtainedS Transverse lap area、S Transverse lap area：
Figure 48209DEST_PATH_IMAGE052
Can take a value of 2.3cm 2；
Figure 382239DEST_PATH_IMAGE053
Can take a value of 1.5cm 2(ii) a The overlapping area is increased by 10% according to the area of the sprue.
Example 3
FIG. 3 is a schematic block diagram of a vertical gating system cross-sectional area acquisition system in accordance with the present invention.
As shown in fig. 3, on the basis of embodiment 2, this embodiment 3 further provides a system for acquiring a cross-sectional area of a vertical gating system, including: the parameter module is used for acquiring parameters of the gating system; the calculation module is used for acquiring area parameters required in the pouring system according to the parameters and the cross section calculation model of the vertical pouring system; and a construction module for constructing a gating system 3 according to the area parameterDAnd (4) modeling.
In this embodiment, the parameter module obtains a parameter of the gating system, the calculation module obtains an area parameter required in the gating system according to the parameter and the vertical gating system sectional area calculation model, and the construction module constructs 3 of the gating system according to the area parameterDThe method of the model has been described in detail in embodiment 2, and is not described in detail in this embodiment.
In summary, the parameters of the gating system are obtained; acquiring area parameters required in the pouring system according to the parameters and the cross section calculation model of the vertical pouring system; and constructing a gating system according to the area parameter 3DThe model realizes accurate calculation of the sectional area of the vertical pouring system and improves the surface quality of the casting.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes:Udisk, portable hard disk, onlyRead memory (ROM，Read-OnlyMemory) (ii) a random access memoryRAM，RandomAccessMemory) Various media that can store program code, such as a magnetic disk or an optical disk.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (9)

1. A vertical gating system sectional area calculation model is characterized by comprising: obtaining water inflow area of all casting units in a gating systemS General assembly：
Figure 566918DEST_PATH_IMAGE001
(ii) a Obtaining the water entry area of a single casting in a gating systemS Sheet：
Figure 619188DEST_PATH_IMAGE002
(ii) a Wherein the content of the first and second substances,nthe number of casting units;Gthe total weight of the metal liquid in the casting mold is as follows:kg；Tfor casting time, the unit is:s；
Figure 72166DEST_PATH_IMAGE003
is the density of the material in the casting system;
Figure 526281DEST_PATH_IMAGE004
the molten metal flow velocity at the inlet of the casting is given bycm/s(ii) a Obtaining the lap joint area of the upper and lower layers of horizontal pouring channels and the straight pouring channelS Transverse lap area、S Transverse lap area：
Figure 301952DEST_PATH_IMAGE005
，
Figure 841517DEST_PATH_IMAGE006
(ii) a Wherein the content of the first and second substances,S transverse lap areaThe lap joint area of the upper layer horizontal pouring channel and the straight pouring channel is adopted;S transverse lap areaThe lap joint area of the lower layer horizontal pouring channel and the straight pouring channel is adopted;S resist downThe cross section of the lower straight pouring channel;S on blockThe cross section of the upper layer straight pouring channel;N 1the number of upper casting units;N 2the number of lower layer casting units;
Figure 98186DEST_PATH_IMAGE007
。
2. a vertical gating system sectional area acquisition method using the vertical gating system sectional area calculation model according to claim 1, comprising: acquiring parameters of a gating system; acquiring area parameters required in the pouring system according to the parameters and the cross section calculation model of the vertical pouring system; and constructing a gating system according to the area parameter 3DAnd (4) modeling.
3. The method for acquiring a cross-sectional area of a vertical gating system according to claim 2, wherein the method for acquiring the parameter of the gating system includes: obtaining the total weight of the molten metal in the casting moldGThe unit is:kgweight of casting unitG1, unit is:kgpouring timeTThe unit is:scoefficient of frictionuDistance between the upper layer cross gate and the pouring cupH 1The unit is:cmdistance between lower layer cross gate and pouring cupH 2The unit is:cmheight of the castingCThe unit is:cm。
4. the method of claim 3, wherein the casting time is set by a user to obtain a cross-sectional area of the vertical casting systemTComprises the following steps:
Figure 406808DEST_PATH_IMAGE008
(ii) a Wherein the content of the first and second substances,Vfor casting speed, the unit is:kg/spouring speed of 2-5kg/s；tSprue fill time was 1-2 seconds.
5. The method for acquiring a cross-sectional area of a vertical gating system according to claim 4, wherein the method for acquiring an area parameter required in a gating system according to the parameter and the cross-sectional area calculation model of the vertical gating system comprises: obtaining water inflow area of all casting units in a gating systemS General assembly：
Figure 90730DEST_PATH_IMAGE009
(ii) a Wherein the content of the first and second substances,
Figure 586433DEST_PATH_IMAGE010
the molten metal flow velocity at the inlet of the casting is given bycm/s(ii) a Obtaining the water entry area of a single casting in a gating systemS Sheet：
Figure 912373DEST_PATH_IMAGE011
(ii) a Wherein the content of the first and second substances,nthe number of casting units; obtaining cross-sectional area of single runnerS Horizontal bar：
Figure 809921DEST_PATH_IMAGE012
(ii) a Wherein the content of the first and second substances,
Figure 664745DEST_PATH_IMAGE013
an empirical coefficient, the value of which is 1 to 1.2; determining upper layer average pressure headh POn the upper part：
Figure 178903DEST_PATH_IMAGE014
(ii) a Determining the average pressure head of the lower layerh PLower part：
Figure 777375DEST_PATH_IMAGE015
(ii) a Wherein the content of the first and second substances,Pthe height of the cavity above the ingate.
6. The method for acquiring a cross-sectional area of a vertical gating system of claim 5, wherein the method for acquiring an area parameter required in a gating system according to the parameter and the calculation model of the cross-sectional area of the vertical gating system further comprises: obtaining the cross-sectional area of the lower sprueS Resist down：
Figure 795009DEST_PATH_IMAGE016
(ii) a Wherein the content of the first and second substances,
Figure 351892DEST_PATH_IMAGE017
is a hydraulic formula constant;
Figure 825118DEST_PATH_IMAGE018
is the density of the material in the casting system;N 2the number of lower layer casting units; obtaining the sectional area of the upper sprueS On block：
Figure 492859DEST_PATH_IMAGE019
(ii) a Wherein the content of the first and second substances,N 1the number of the upper-layer casting units is,
Figure 99421DEST_PATH_IMAGE020
。
7. the method for acquiring a cross-sectional area of a vertical gating system of claim 6, wherein the method for acquiring an area parameter required in a gating system according to the parameter and the calculation model of the cross-sectional area of the vertical gating system further comprises: obtaining the lap joint area of the upper and lower layers of horizontal pouring channels and the straight pouring channelS Transverse lap area、S Transverse lap area：
Figure 561627DEST_PATH_IMAGE021
；
Figure 784797DEST_PATH_IMAGE022
。
8. The method of obtaining a cross-sectional area of a vertical gating system of claim 7, wherein the constructing a gating system 3 according to the area parameterDThe method of modeling includes: according toS General assembly、S Sheet、S Horizontal bar、S Resist down、S On block、S Transverse lap area、S Transverse lap areaAnd parameters of the gating system to construct 3 of the gating systemDAnd (4) modeling.
9. A vertical gating system sectional area acquisition system using the vertical gating system sectional area acquisition method according to claim 2, comprising: the parameter module is used for acquiring parameters of the gating system; the calculation module is used for acquiring area parameters required in the pouring system according to the parameters and the cross section calculation model of the vertical pouring system; and a construction module for constructing a gating system 3 according to the area parameterDAnd (4) modeling.
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