CN114453559B - Time-delay pouring method for large castings - Google Patents
Time-delay pouring method for large castings Download PDFInfo
- Publication number
- CN114453559B CN114453559B CN202210102543.9A CN202210102543A CN114453559B CN 114453559 B CN114453559 B CN 114453559B CN 202210102543 A CN202210102543 A CN 202210102543A CN 114453559 B CN114453559 B CN 114453559B
- Authority
- CN
- China
- Prior art keywords
- pouring
- casting
- time
- delay
- molten iron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005266 casting Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 122
- 229910052742 iron Inorganic materials 0.000 claims abstract description 61
- 238000004088 simulation Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 230000003111 delayed effect Effects 0.000 abstract 1
- 238000004364 calculation method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D37/00—Controlling or regulating the pouring of molten metal from a casting melt-holding vessel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention provides a time-delay pouring method of a large casting, which comprises the steps of determining parameters of an inner pouring gate according to the structure of the casting and the required molten iron amount, obtaining an original pouring system, calculating the vertical height between the inner pouring gate at the lowest point and the inner pouring gate at the highest point, and calculating the time required for filling the casting in the height; if the time exceeds 20s, a time-delay pouring system is established to pour the castings, the inner pouring gates near the inner pouring gate at the highest point are divided into one type, an independent pouring system is established for the inner pouring gates, and the rest inner pouring gates are main body pouring systems; and determining the time T for which the independent pouring system needs to be opened in a delayed manner. The invention solves the problems that the large castings with a large number of inner gates and a height difference are easy to generate defects of cold shut, insufficient casting and the like when the traditional casting system is adopted, and can realize reasonable casting of the castings and stable molten iron filling, thereby avoiding major quality hidden danger and reducing the scrapping risk of large casting products.
Description
Technical Field
The invention relates to the technical field of pouring of large castings, in particular to a time-delay pouring method of a large casting.
Background
The large-scale steel casting and the iron casting which are cast by adopting the sand mold are usually provided with a bottom pouring type pouring system, namely, the inner pouring gate is arranged at the bottom of the casting, molten metal is introduced into the cavity from the bottom of the casting through the straight pouring gate, the transverse pouring gate and the inner pouring gate, and the mold filling device has the advantages of uniform and stable mold filling, reduction of molten metal oxidation and splashing, contribution to exhaust and the like. In actual production, the molten iron amount of a large casting is large (often more than 60 t), the structure is complex, and dozens of in-gates are required to be arranged at different positions at the bottom of the casting at the same time so as to meet the pouring requirement. When the profile of the bottom of the casting mold with the inner gate is large and is in a non-horizontal state, the inner gates at different positions have height differences. At this time, in the same pouring system, according to the principle of a communicating vessel, a molten iron rising plane is at the same height, a runner gate positioned at a low position will enter molten iron first, and for the runner gate positioned at a high position, molten iron is stagnated in a runner ceramic tube for a long time until the whole molten iron liquid level rises to the same height, and the molten iron can be introduced into a cavity. In the process, because the size of the ingate is small (the diameter is about 50mm or 60 mm), the temperature of a small amount of molten iron which is stagnant in the ingate at a high position can be reduced very rapidly, and when the liquid level rises to the late stage and the molten iron can be introduced into the cavity, the low-temperature molten iron in a stagnant state flows into the cavity, so that the risk of cold separation of the casting part exists. If the height difference of the inner pouring gate is particularly large and the liquid level rising speed is low, the stagnant molten iron in the inner pouring gate positioned at the high position is in a liquid-solid coexisting state or a solidification state, so that the injection of the molten iron is blocked, and risks such as insufficient pouring and the like are caused.
Therefore, there is a need to develop a time-lapse pouring method for large castings to solve the above-mentioned problems caused by the conventional pouring system in response to the large height difference of the in-gate arrangement.
Disclosure of Invention
According to the technical problems, the delay pouring method for the large castings is provided.
The invention adopts the following technical means:
a time-delay pouring method for a large casting comprises the following steps:
determining the number, the position and the size of the inner pouring gates according to the structure of the casting and the required molten iron amount thereof;
determining the sizes and the numbers of pouring boxes, cross runners and sprue gates used in the pouring process according to the amount of molten iron, the distribution of the internal pouring gates and the technological parameters required by casting pouring, so as to obtain an original pouring system;
calculating the vertical height between the inner gate positioned at the lowest point and the inner gate positioned at the highest point in the plurality of inner gates, calculating the weight of molten iron required by the casting in the height, and obtaining the time for filling the molten iron of the part of casting according to the weight of molten iron;
if the time is not longer than 20s, pouring the casting by adopting an original pouring system;
if the time exceeds 20s, a time-delay pouring system is established to pour the casting, and the time-delay pouring system is established in the following way: dividing the inner gates near the inner gate at the highest point into one type, establishing independent pouring systems for the inner gates, taking the rest of the inner gates as main body pouring systems, reconfirming the sizes and the numbers of pouring boxes, cross runners and straight runners used by the independent pouring systems, reconfirming the sizes and the numbers of the pouring boxes, the cross runners and the straight runners used by the main body pouring systems on the basis of the original pouring systems, and combining the main body pouring systems and the independent pouring systems into a time delay pouring system;
and determining the time T for opening the independent pouring system in a time delay manner, wherein T=T1-T2, T1 is the time required by the main body pouring system to pour into the lowest inner gate of the independent pouring system, and T1 comprises two parts, wherein one part is the time required by the main body pouring system to fill the mold, and the other part is the time required by the molten iron to fill the inner gate of the lowest point of the independent pouring system after entering the casting mold. T2 is only the time required by the self-filling of the independent pouring system; the filling time of T1 and T2 in the formula is obtained according to the weight of molten iron filled in each part.
And (3) carrying out three-dimensional modeling on the delay pouring system, carrying out simulation by using simulation software, verifying the accuracy of the time of filling and opening the delay of the delay pouring system, and the like, and optimizing and correcting deviation. The simulation software is Magma.
Compared with the prior art, the invention has the following advantages:
1. the problems that the large castings with a large number of inner gates and a height difference are easy to generate defects of cold insulation, insufficient casting and the like when a traditional casting system is adopted are solved, reasonable casting of the castings and stable molten iron filling can be realized, thereby avoiding major quality hidden danger and reducing the scrapping risk of large casting products.
2. The method and the theoretical basis for calculating the delay time of the independent pouring system are provided, verification is carried out through simulation software, the rationality and the accuracy of the prenatal preparation technical scheme are greatly improved, the development period of new products is reduced, and the development risk is reduced.
3. The method has the advantages of definite product characteristics, wide application range and strong popularization and application.
Based on the reasons, the invention can be widely popularized in the fields of large casting pouring and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a diagram showing the distribution of the positions of the gates in the original casting system according to the embodiment of the present invention;
FIG. 2 is a schematic diagram of an original casting system in an embodiment of the present invention;
FIG. 3 is a diagram of a header height differential analysis of an original gating system in accordance with an embodiment of the present invention;
FIG. 4 is a distribution diagram of the position of a runner in a time-lapse gating system according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a time delay pouring system in an embodiment of the invention;
FIG. 6 is a schematic diagram of time calculation of a time delay pouring system in an embodiment of the invention;
FIG. 7 is a simulation result of the original gating system filling in the embodiment of the present invention;
FIG. 8 is a simulation result (35 s) of the self-initiated filling of the independent casting system in the embodiment of the invention;
FIG. 9 is a simulation result (40 s) of the filling of a mold by the independent casting system in an embodiment of the present invention.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
As shown in fig. 1 to 9, a method for time-lapse pouring of a large casting comprises:
1. in-gate parameter confirmation: the estimated molten iron amount of the casting is 84-88 tons, the diameter size of phi 60 is selected as the inner gate, the initial number is set to be 44, and the positions are uniformly distributed at the bottom of the casting, as shown in figure 1.
2. And (3) estimating parameters of other components of the pouring system: preliminary estimating parameters of each component of an original pouring system, wherein 2 pouring boxes are planned to be selected according to the quantity value of molten iron, and 2 pouring boxes are planned to be selected, namely, 2 pouring boxes of 45 tons; and determining that the size of the sprue is phi 120, and the size of the runner is phi 110 and phi 70 according to the distribution of the inner gate and the parameters required by the open pouring system. The sum proportion of the sectional areas among the components is Σ straight: sigma-transverse: Σ=1:1.18:5.5, as shown in fig. 2.
3. And (3) header height difference analysis: the vertical height between the lowest point and the highest point in the in-gate position was calculated to be about 700mm, and the weight of molten iron occupied by the casting at this height was calculated to be about 20.5 tons (as shown in fig. 3). And (2) under the design of the original casting system preset in the step (2), calculating the partial filling time, wherein the formula is as follows: t ' =t1 ' — T2 '. Wherein T' is the molten iron filling time of the high-low difference casting part; t1' is the time required for filling the molten iron to the highest point of the inner pouring gate; t2' is the time required for the molten iron to fill to the lowest point of the in-gate.
Calculating, when the molten iron is filled to the lowest point of the inner pouring gate, the amount of the co-flowed molten iron is about 6.2 tons, and the filling time T2% = 10s; when the molten iron is filled to the highest point of the inner pouring gate, 26.7 tons of molten iron is co-flowed, and the filling time is T1% =44s; therefore, the molten iron filling time T ' of the high-low difference casting part=T1 ' -T2 ' =34s >20s, a certain risk of cold shut and insufficient casting exists, and the problem needs to be solved by adopting the time-delay casting system.
4. Establishing a time-delay pouring system: according to the analysis result, the delay pouring system is adopted, and the delay pouring system is established in the following way:
(1) The final position of the inner gate is optimized, and the inner gate near the inner gate at the highest point is divided, so that a set of independent pouring systems is established. After calculation and analysis, the casting iron water quantity is corrected to 84 tons, the number of the inner gates is set to 42, and after the distribution mode is locally modified, 13 inner gate locating points (14 inner gates with the highest point are calculated) near the inner gate with the highest point are set as independent pouring systems, as shown in fig. 4.
(2) And according to the 14 divided in-gates, confirming each component parameter of the independent pouring system. Through calculation, 1 pouring gate box of 35 tons, 1 straight pouring gate of phi 120 and 2 transverse pouring gates of phi 100 are determined. The sum proportion of the sectional areas among the components of the independent pouring system is Sigma straight: sigma-transverse: Σ=1:1.39:3.5, as shown in fig. 5.
(3) And (3) carrying out parameter recalculation and checking on the other inner pouring gates on the basis of the original pouring system, and updating the sizes and the number of the selected pouring boxes, the selected cross pouring gates, the selected sprue gates and the selected number of the pouring gates to obtain the main body pouring system. After the parameters are corrected, the main body pouring system needs to use 2 pouring boxes of 30 tons, 2 pouring gates of phi 110 are arranged, and the transverse pouring gates are fixed by a pouring gate seat. The main body pouring system is straight, the sum proportion of the sectional areas of the inner pouring channels is Sigma straight: Σ=1:4.17, as shown in fig. 5.
(4) After the design is finished, the integral structure of the time-delay pouring system is formed, and the inner pouring gate groups positioned at the high point and the low point are divided into an independent pouring system and a main pouring system, and are controlled and controlled respectively, so that basic conditions are created for time-delay pouring. Wherein, the inflow of the independent pouring system into the molten iron amount of 28 tons is planned, and the inflow of the main body pouring system into the molten iron amount of 56 tons is planned.
5. The calculation of the time T of the delay opening is needed by the independent pouring system: the calculation formula of the delay time is T=T1-T2, and the calculation formula is specifically as follows:
(1) Calculating the time T1 required by the main body pouring system to pour to the lowest inner gate of the independent pouring system, wherein the inflow of the molten iron is formed by two parts, the first part is the time required by the self-filling of the main body pouring system, and the inflow of the molten iron in the time is about 4.35 tons; the second part is the time required for filling the molten iron into the inner pouring gate at the lowest point of the independent pouring system after the molten iron enters the casting mould, and the inflow amount of the molten iron in the time is about 16.85 tons; therefore, the total inflow amount of the molten iron was about 21.2 tons, and t1=40s was obtained from the inflow amount of the molten iron, as shown in fig. 6.
(2) And calculating the self-filling time T2 of the independent pouring system, wherein the self-filling weight of the self-filling molten iron of the independent pouring system is about 1.68 tons, so that the self-filling time T2 = 5s.
(3) Calculating the time t=t1-t2=35 s for which the independent casting system needs to be opened with a delay.
6. And (3) filling simulation and verification: and carrying out three-dimensional modeling according to the structure of the delay pouring system and the calculated component parameters, and carrying out filling simulation by using simulation software to verify the filling condition, the accuracy of the delay time and the like of the delay pouring system. The simulation software is Magma.
Proved by verification, the original pouring system has obvious filling problem, in the early stage of filling, molten iron at the highest position of an inner pouring gate cannot be introduced into a cavity, but remains in the inner pouring gate for a long time until the molten iron is filled to the position after 44S, and the retained molten iron enters the cavity, wherein the retained molten iron temperature is about 1200 ℃ and is 100 ℃ higher than that of the molten iron in other areas, and a large cold shut risk exists, as shown in fig. 7.
After the time-delay pouring system is applied, the main body pouring system is opened preferentially and is filled with molten iron, the independent pouring system is opened at the 35 th s after the pouring is started and is filled with molten iron (shown in figure 8), the molten iron in the independent pouring system at the 40 th s is introduced into the cavity and is converged with the liquid level of the molten iron which is injected earlier, the temperature of the molten iron which is injected at the moment is about 1340 ℃, the temperature difference between the molten iron and the water in other areas is within 10 ℃, the verification effect is very ideal, and calculated data do not need to be corrected again as shown in figure 9.
7. In actual production, a time delay pouring system is adopted according to the calculation and analysis results. The product is verified by NDT test, has compact structure and no cold shut defect, and is an example of successful application of the invention.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (3)
1. A time-delay pouring method for a large casting comprises the following steps:
determining parameters of an inner pouring gate according to the structure of the casting and the required molten iron amount;
determining parameters of other components used in the casting process according to the amount of molten iron, parameters of an inner pouring gate and process parameters required by casting to obtain an original casting system, and the method is characterized by further comprising the following steps:
calculating the vertical height between the inner gate positioned at the lowest point and the inner gate positioned at the highest point in the plurality of inner gates, calculating the weight of molten iron required by the casting in the height, and obtaining the time for filling the molten iron of the part of casting according to the weight of molten iron;
if the time is not longer than 20s, pouring the casting by adopting an original pouring system;
if the time exceeds 20s, a time-delay pouring system is established to pour the casting, and the time-delay pouring system is established in the following way: dividing the inner gates near the inner gate at the highest point into one type, establishing independent pouring systems for the inner gates, taking the rest inner gates as main body pouring systems, reconfirming parameters of other components used by the independent pouring systems, reconfirming parameters of other components used by the main body pouring systems on the basis of the original pouring systems, and combining the main body pouring systems and the independent pouring systems into a time delay pouring system;
determining time T for opening the independent pouring system in a time delay manner, wherein T=T1-T2, T1 is time required by the main body pouring system to pour to the lowest inner gate of the independent pouring system, and T2 is time required by the independent pouring system to fill the mold;
three-dimensional modeling is carried out on the delay pouring system, simulation is carried out by using simulation software, the accuracy of the time of filling and delay opening of the delay pouring system is verified, and the deviation is optimized and corrected;
parameters of the in-gates include the number, location and size of the in-gates;
parameters of other components include size and number of the pouring boxes, the cross runners and the sprue.
2. The method according to claim 1, wherein T1 comprises two parts, one part is the time required for the main body pouring system to self-mold, and the other part is the time required for the molten iron to fill the inner gate at the lowest point of the independent pouring system after entering the casting mold.
3. A method of time-lapse casting of large castings according to claim 1 or 2, wherein said simulation software is Magma.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210102543.9A CN114453559B (en) | 2022-01-27 | 2022-01-27 | Time-delay pouring method for large castings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210102543.9A CN114453559B (en) | 2022-01-27 | 2022-01-27 | Time-delay pouring method for large castings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114453559A CN114453559A (en) | 2022-05-10 |
| CN114453559B true CN114453559B (en) | 2023-11-17 |
Family
ID=81411077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210102543.9A Active CN114453559B (en) | 2022-01-27 | 2022-01-27 | Time-delay pouring method for large castings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114453559B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368760A (en) * | 2013-11-05 | 2015-02-25 | 新兴重工湖北三六一一机械有限公司 | Casting method and special casting mold of step-shaped aluminum alloy oil sump |
| CN106475522A (en) * | 2015-08-27 | 2017-03-08 | 武汉重型机床集团有限公司 | The running gate system of heavy castings and pouring procedure |
| CN208083378U (en) * | 2018-01-23 | 2018-11-13 | 广西欧迪姆重工科技有限公司 | A kind of casting equipment of multistation annular intermittent-rotation cycle casting |
| CN109226687A (en) * | 2018-10-20 | 2019-01-18 | 共享装备股份有限公司 | Annular cast is with type running gate system |
| CN109317619A (en) * | 2018-11-14 | 2019-02-12 | 安徽应流集团霍山铸造有限公司 | A kind of staged casting device |
| CN111957897A (en) * | 2020-07-24 | 2020-11-20 | 山西汾西重工有限责任公司 | Pouring system for antigravity casting |
| CN113239501A (en) * | 2021-07-13 | 2021-08-10 | 科华控股股份有限公司 | Vertical pouring system sectional area calculation model, acquisition method and system |
-
2022
- 2022-01-27 CN CN202210102543.9A patent/CN114453559B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368760A (en) * | 2013-11-05 | 2015-02-25 | 新兴重工湖北三六一一机械有限公司 | Casting method and special casting mold of step-shaped aluminum alloy oil sump |
| CN106475522A (en) * | 2015-08-27 | 2017-03-08 | 武汉重型机床集团有限公司 | The running gate system of heavy castings and pouring procedure |
| CN208083378U (en) * | 2018-01-23 | 2018-11-13 | 广西欧迪姆重工科技有限公司 | A kind of casting equipment of multistation annular intermittent-rotation cycle casting |
| CN109226687A (en) * | 2018-10-20 | 2019-01-18 | 共享装备股份有限公司 | Annular cast is with type running gate system |
| CN109317619A (en) * | 2018-11-14 | 2019-02-12 | 安徽应流集团霍山铸造有限公司 | A kind of staged casting device |
| CN111957897A (en) * | 2020-07-24 | 2020-11-20 | 山西汾西重工有限责任公司 | Pouring system for antigravity casting |
| CN113239501A (en) * | 2021-07-13 | 2021-08-10 | 科华控股股份有限公司 | Vertical pouring system sectional area calculation model, acquisition method and system |
Non-Patent Citations (2)
| Title |
|---|
| 超超临界汽缸体铸件新型浇注系统研究;贺腾;李直;康进武;铸造;第65卷(第1期);全文 * |
| 顺序注塑工艺对塑件成型质量的改善;陈旭芬;余世浩;周水清;;武汉理工大学学报(第06期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114453559A (en) | 2022-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Dabade et al. | Casting defect analysis using design of experiments (DoE) and computer aided casting simulation technique | |
| CN103846392B (en) | The casting method of spheroidal graphite cast-iron knuckle | |
| EP3294476B2 (en) | Casting process and sand mould provided with an inlet system for producing at least partly thin walled aluminium casts with sand moulding technology by means of gravity casting | |
| Choudhari et al. | Methoding and simulation of LM 6 sand casting for defect minimization with its experimental validation | |
| CN105598379B (en) | A kind of Feeder Design method in thin-wall revolving body casting sand mold casting process predicted based on shrinkage defect | |
| KR102047273B1 (en) | Method and apparatus for producing wax model containing precision casting cores | |
| CN107931543B (en) | Tubular thin-wall steel piece casting mold and design method thereof | |
| CN106964756A (en) | A kind of vertical pattern grouping mould of steel-casting and its pattern grouping method | |
| CN113722964A (en) | Casting simulation method | |
| CN104439086A (en) | Design method for risers during sand mould casting of non-axisymmetric complex castings | |
| CN114453559B (en) | Time-delay pouring method for large castings | |
| CN102513512B (en) | Integral mold casting method for resin sand of support piece of bulldozer | |
| CN105033191A (en) | Belt pulley casting simulation analysis and optimization design method | |
| CN204094058U (en) | The argosy running gate system of turbocharger air compressor shell foundry goods | |
| CN206335092U (en) | A kind of vertical pattern grouping mould of steel-casting | |
| CN206229978U (en) | The running and feeding system of gray cast iron Hub Castings casting is produced on DISA lines | |
| CN205165743U (en) | Three swages of unpacking lopps foundry goods cover sand casting device | |
| CN208245750U (en) | A kind of end cap casting die | |
| CN105290322A (en) | Sand coated iron mould casting device and casting technology of three-part-box ring type casting | |
| Reddy | Casting Simulation of Automotive Wheel Rim Using Procast | |
| CN219598028U (en) | Pouring channel system for controlling flow rate of molten iron | |
| JP4265268B2 (en) | Solidification analysis method for castings | |
| Hashim et al. | Design of Gating System for Green Sand Casting of Alumium Alloy | |
| CN117454597A (en) | Design method of complex thin-wall casting pouring system | |
| Zhao et al. | Design and Verification of a New Test Bar Die for LPDC Process Based on Numerical Simulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |