CN203972762U - Casting die - Google Patents
Casting die Download PDFInfo
- Publication number
- CN203972762U CN203972762U CN201420387667.7U CN201420387667U CN203972762U CN 203972762 U CN203972762 U CN 203972762U CN 201420387667 U CN201420387667 U CN 201420387667U CN 203972762 U CN203972762 U CN 203972762U
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- Prior art keywords
- casting
- partition plate
- barrel
- mold
- wall
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- Expired - Lifetime
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- 238000005266 casting Methods 0.000 title claims abstract description 85
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims description 42
- 239000013078 crystal Substances 0.000 abstract description 19
- 239000000463 material Substances 0.000 abstract description 6
- 230000000704 physical effect Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000000498 cooling water Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005551 mechanical alloying Methods 0.000 description 1
- -1 mechanical alloying Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The embodiment of the present application discloses a kind of casting die, at least comprises: die main body; Described die main body comprises: inner core and urceolus, described inner core is positioned at described urceolus inside, described inner core and and described urceolus between separately, and homogeneous phase sealing between described inner core and the top of urceolus, between bottom; Space between described inner core and urceolus forms guiding gutter, is provided with at least two through holes that are connected with described guiding gutter on the lateral wall of described urceolus.This casting mould can make product obtain the column crystal of one direction growth, does not produce transverse grain boundaries, also makes the crystal grain of product obtain refinement simultaneously, has improved significantly the mechanical property of material, thereby has improved physical property and the mechanical performance of product.
Description
Technical Field
The application relates to the field of molds, in particular to a casting mold.
Background
The ideal casting structure is that the whole section of the casting has uniform and fine equiaxial crystals, because the equiaxial crystals have small anisotropy, uniform deformation, excellent performance and good plasticity during processing, and are beneficial to casting and subsequent plastic processing. To obtain such a structure, it is often necessary to refine the melt.
The principle of fine grain casting technology or process (FGCP) is to strengthen the nucleation mechanism of the alloy by controlling the common investment casting process, to form a large amount of crystal cores in the alloy during the casting process and to prevent the crystal grains from growing, thereby obtaining uniform, fine and isotropic isometric crystal castings with average crystal grain size less than 1.6 mm. Therefore, the fine grain casting has the outstanding advantages of greatly improving the low-cycle fatigue life of the casting under the condition of medium and low temperature (less than or equal to 760 ℃) and obviously reducing the dispersion degree of the mechanical property data of the casting, thereby improving the design tolerance of the casting parts. Meanwhile, the technology also improves the tensile property and the durability of the casting to a certain extent, and the casting has good heat treatment performance.
With the continuous progress of metallurgical technology and production technology, the size of fine grains is continuously reduced, even reaching micron and submicron. For example: in the conventional steel category, the grain size of 100 μm is hereinafter referred to as fine-grained steel, i.e., conventional fine-grained steel. The method for obtaining the fine crystals comprises the following steps: by utilizing special process means such as heat treatment of phase change and recrystallization, ultra-fast and extremely-cold molten steel, mechanical alloying, ultrafine particle sintering, amorphous crystallization and the like,
in the prior art, the traditional casting technology of the casting mold has the advantages that the cast crystal grains are coarsened, so that the casting easily generates a transverse crystal boundary, and the physical property and the mechanical property of the casting are influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a casting die to solve the problem that casting grains of the casting die in the prior art are coarsened.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
a casting mould comprising at least: a mold body;
the mold body includes: the inner cylinder is positioned in the outer cylinder, the inner cylinder and the outer cylinder are spaced, and the top and the bottom of the inner cylinder and the bottom of the outer cylinder are sealed;
the space between the inner barrel and the outer barrel forms a diversion trench, and the outer side wall of the outer barrel is provided with at least two through holes communicated with the diversion trench.
Optionally, the mold further comprises: a movable bottom plate and a casting riser; wherein,
the movable bottom plate is positioned at the bottom of the mould main body and seals the bottom of the mould main body;
the casting riser is fixed to the top of the die body and is of a cylindrical structure, a cavity inside the casting riser is a truncated cone-shaped cavity, and an opening with the larger diameter in the truncated cone-shaped cavity is matched with an opening in the top of the inner barrel.
Optionally, the mold further comprises: the multilayer annular partition plate is arranged inside the diversion trench;
the inner ring edge of each annular partition plate is fixed with the outer wall of the inner barrel in a sealing way, and the outer ring edge of each annular partition plate is fixed with the inner wall of the outer barrel in a sealing way;
a cavity is formed between every two adjacent annular partition plates, each layer of annular partition plate is provided with a through hole which penetrates through the annular partition plate, and the upper cavity and the lower cavity of the annular partition plate are communicated through the through holes.
Optionally, the mold further comprises: the spiral partition plate is arranged in the guide groove;
the inner ring edge of the spiral partition plate is fixed with the outer wall of the inner barrel in a sealing way, and the outer ring edge of the spiral partition plate is fixed with the inner wall of the outer barrel in a sealing way;
the spiral partition plate, the outer wall of the inner barrel and the inner wall of the outer barrel form a spiral channel in a sealing mode, and the spiral channel is communicated with all the through holes formed in the outer side wall of the outer barrel.
Optionally, be provided with on the lateral wall of urceolus with at least two through-holes that the guiding gutter is linked together include:
the at least one through hole is located at the upper end of the outer side wall of the outer barrel, and the at least one through hole is located at the lower end of the outer side wall of the outer barrel.
Optionally, the thickness of the diversion trench is 2% -10% of the diameter of the inner cylinder.
The beneficial effect of this application includes:
according to the casting mold, the injected cooling water can be directionally conveyed through the guide grooves formed in the casting mold, so that a casting is continuously directionally solidified and rapidly cooled, the product is made into columnar crystals growing in a single direction, a transverse crystal boundary is not generated, crystal grains of the product are refined, the mechanical property of the material is greatly improved, and the physical property and the mechanical property of the product are improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a structural block diagram of a casting mold according to an embodiment of the present disclosure;
fig. 2 is a structural block diagram of a casting mold according to an embodiment of the present disclosure;
fig. 3 is a structural block diagram of a casting mold according to an embodiment of the present application;
fig. 4 is a structural block diagram of a casting mold according to an embodiment of the present application.
Reference numerals:
1-movable bottom plate, 2-outer cylinder, 3-inner cylinder, 4-casting riser, 5-through hole, 6-diversion trench, 7-through hole, and 8-mould main body.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
Example one
Fig. 1 is a structural block diagram of a casting mold according to an embodiment of the present application.
Referring to fig. 1, a casting mold provided in an embodiment of the present application may include at least: a mold body 8.
The mold body 8 may include: inner tube 3 and urceolus 2, wherein:
the inner cylinder 3 is positioned in the outer cylinder 2, the inner cylinder 3 is sealed with the top of the outer cylinder 2, and the inner cylinder 3 is sealed with the bottom of the outer cylinder 2.
In one case, the inner cylinder 3 and the outer cylinder 2 may be two separate members, and the top of the inner cylinder 3 and the top of the outer cylinder 2 may be sealed by welding, and the bottom of the inner cylinder 3 and the bottom of the outer cylinder 2 may be sealed by welding.
Alternatively, it is also possible to form the inner cylinder 3 and the outer cylinder 2 connected at the top directly by notching the side wall of one cylinder, and weld and seal the opening forming the notch between the inner cylinder and the outer cylinder.
The outer diameter of the inner cylinder 3 is smaller than the inner diameter of the outer cylinder 2, so that a space is formed between the outer wall of the inner cylinder 3 and the inner wall of the outer cylinder 2, the space formed by the space can be used as a diversion trench 6, the preferable thickness of the diversion trench 6 (i.e. the difference between the radius of the inner ring of the outer cylinder 2 and the radius of the outer ring of the inner cylinder 3) is 3% -6% of the diameter of the inner cylinder 3, in one embodiment of the application, the outer diameter of the inner cylinder 3 is specifically 1m, the inner diameter of the outer cylinder 2 is specifically 1.1m, and the thickness of the diversion trench 6 is. In other embodiments of the present application, the outer diameter of the inner cylinder 3 is 1m, the inner diameter of the outer cylinder 2 is 1.1m, the thickness of the guide groove 6 is 0.03m, and the thickness of the guide groove 6 is not limited thereto.
The lateral wall of urceolus 2 is provided with two at least through-holes that are linked together with guiding gutter 6, and in this application embodiment, when adopting two through-holes, a through-hole 5 is located the lower extreme of the lateral wall of urceolus 2, can be used to intake, and a through-hole 7 is located the upper end of the lateral wall of urceolus 2, can be used to go out water, guarantees that guiding gutter 6 can normally the water conservancy diversion when using. In other embodiments of the present application, 3 or more through holes may be provided to communicate with the diversion trench 6, two through holes are used for water inlet, and one through hole is used for water outlet, or one through hole is used for water inlet and two through holes are used for water outlet, and the number of the through holes is not specifically limited herein.
As shown in fig. 1, for example, when the casting mold is used, the mold main body 8 needs to be firstly placed on sand or cement ground for fixing, then casting is directly performed from the upper port of the inner cylinder 2, before casting, the through hole 5 is in an open state, and cooling water of a certain temperature is injected, in this embodiment, the time for injecting water into the through hole 5 is before casting, during casting, or after casting, and the specific time for injecting water into the through hole is not limited herein, the temperature of the cooling water can be set according to the requirement of the mold itself, the cooling water enters from the through hole 5 at the lower end of the outer side wall of the outer cylinder 2, flows upwards along the flow guide direction of the flow guide groove 6, flows out from the through hole 7 at the upper end of the outer side wall of the outer cylinder 2, and forms continuous directional solidification and rapid cooling on the casting, so that the casting obtains columnar crystals growing in the vertical direction, and simultaneously, the, greatly improves the physical property and the mechanical property of the casting and obtains the material with excellent deformation performance.
Example two
Fig. 2 is a structural block diagram of a casting mold according to an embodiment of the present application.
Referring to fig. 2, the mold body 8 needs to be placed on sand or cement ground for fixing during casting, however, the sand or cement ground has uneven ground, the fixing effect on the mold body 8 is poor, liquid inside the mold body 8 is prone to leaking and inclining, so that the casting is deformed, and splashing occurs during casting, so that waste of resources is caused, and therefore the casting mold provided by the embodiment of the present invention may further include: movable bottom plate 1 and casting riser 4, wherein:
the movable bottom plate 1 is positioned at the bottom of the mold main body 8 and used for sealing the bottom of the inner cylinder 3 in the mold main body 8 and fixing the mold main body, and the movable bottom plate 1 is made of a steel plate, is good in sealing and fixing effect and can be made of other materials.
In one case, the upper end surface of the movable bottom plate 1 is a horizontal surface and can be sealed with the bottom of the inner cylinder 3 by welding.
In another case, the upper end surface of the movable bottom plate 1 is provided with a circular groove, and the opening of the groove is just matched and connected with the opening of the outer cylinder 2.
The casting riser 4 is fixed at the top of the mould main body 8, the casting riser 4 is of a cylindrical structure, a cavity inside the casting riser 4 is a truncated cone-shaped cavity, and an opening with a larger diameter in the truncated cone-shaped cavity is matched with an opening at the top of the inner barrel 3.
In this embodiment, the casting riser 4 may be made of a thick-walled steel pipe filled sand mold or a thin-walled steel pipe filled sand mold, and is not particularly limited herein.
The casting riser 4 is a cavity for storing molten metal in the casting mold, supplies metal when a casting is formed, and has the functions of preventing shrinkage cavity, shrinkage porosity, exhaust and slag collection.
As shown in fig. 2, for example, in the use process of the casting mold, liquid is injected from an opening at the upper end of the casting riser 4 to the bottom of the inner cylinder 3, meanwhile, cooling water at a certain temperature starts to be injected from the through hole 5, flows along the flow guide direction of the flow guide groove 6, flows out from the through hole 7, and carries out directional cooling on the casting, and in the cooling process, the liquid in the inner cylinder 3 generates a volume and size reduction phenomenon, and at this time, the casting riser 4 can supplement the liquid, so that the phenomena such as shrinkage cavities and the like are effectively prevented, and the quality and the performance of the casting are improved.
EXAMPLE III
Fig. 3 is a structural block diagram of a casting mold according to an embodiment of the present application.
Referring to fig. 3, the casting mold provided in the embodiment of the present application may further include: and the multilayer annular partition plates are arranged inside the diversion trench 6.
Each layer of annular partition plate is parallel to each other, the inner annular edge of each layer of annular partition plate is sealed and fixed with the outer wall of the inner barrel 3, the outer annular edge of each layer of annular partition plate is sealed and fixed with the inner wall of the outer barrel 2, and an independent cavity is formed between every two adjacent annular partition plates.
In one embodiment of the present application, 5 layers of annular partitions are disposed inside the flow guide groove 6, and each layer of annular partitions is parallel to each other, so that 6 independent cavities are formed in the flow guide groove. In other embodiments of the present application, 6 or more annular partition plates may also be disposed in the diversion trench, and the number of the annular partition plates in the present application is not particularly limited.
Each layer of annular partition board is provided with a through hole for penetrating the annular partition board, the through hole communicates the upper cavity and the lower cavity of the annular partition board, and in one embodiment of the application, the through holes on two adjacent layers of annular partition boards are positioned at two ends of the inner barrel 3 on the same diameter line. In other embodiments of the present application, the through holes on two adjacent layers of annular partition plates may also be disposed at two ends of the same diameter line of the outer cylinder 2, and the positions set by the through holes on the partition plates are not specifically limited.
The guiding gutter 6 is communicated with all the through holes arranged on the outer side wall of the outer barrel 2, in one embodiment of the application, when two through holes are adopted on the outer side wall of the outer barrel, one through hole 5 on the outer side wall of the outer barrel 2 is communicated with the cavity at the lowest end in the guiding gutter 6, and the other through hole 7 on the outer side wall of the outer barrel 2 is communicated with the cavity at the highest end in the guiding gutter 6. In other embodiments of the present application, 3 or more through holes may also be provided to communicate with the diversion trench 6, one through hole communicates with the cavity at the lowermost end in the diversion trench 6 for water inlet, one through hole communicates with the cavity at the uppermost end in the diversion trench 6 for water inlet, another through hole may communicate with other cavities in the diversion trench 6 for water inlet or water outlet, and the number of the through holes is not specifically limited herein.
As shown in fig. 3, for example, in the use process of the casting mold, the through holes 5 are opened during casting, cooling water at a certain temperature is injected, the cooling water flows transversely in the cavity at the lowest end, the cooling water is injected into the cavities at the upper layer through the through holes on the partition plate after filling the cavity at the lowest end, and finally the water flows out of the through holes 7 communicated with the cavity at the highest end to form continuous directional solidification and rapid cooling on the casting, so that the casting obtains columnar crystals growing transversely, and simultaneously, the crystal grains of the casting are refined, the physical properties and the mechanical properties of the casting are greatly improved, and a material with excellent deformation properties is obtained.
Example four
Fig. 4 is a structural block diagram of a casting mold according to an embodiment of the present application.
Referring to fig. 4, the casting mold provided in the embodiment of the present application may further include: and the spiral partition plate is arranged inside the diversion trench 6.
In the embodiment of the present application, the arrangement direction of the spiral partition plate may be a clockwise direction or a counterclockwise direction, and the arrangement direction of the spiral partition plate is not specifically limited herein.
The inner ring edge of the spiral clapboard is sealed and fixed with the outer wall of the inner cylinder 3, and the outer ring edge of the spiral clapboard is sealed and fixed with the inner wall of the outer cylinder 2. The spiral partition plate, the outer wall of the inner barrel 3 and the inner wall of the outer barrel 2 are sealed to form a spiral channel, and the spiral channel is communicated with all through holes formed in the outer side wall of the outer barrel 2.
In one embodiment of the present application, two through holes are provided on the outer sidewall of the outer barrel 2, one through hole 7 is located at the upper end of the outer sidewall for water outlet, one through hole 5 is located at the lower end of the outer sidewall for water inlet, the lower end of the spiral channel is communicated with the through hole 5, and the upper end of the spiral channel is communicated with the through hole 7. In other embodiments of the present application, 3 or more through holes may be provided to communicate with the spiral channel, and the number of the through holes is not specifically limited herein.
As shown in fig. 4, for example, in the use process of the casting mold, the through hole 5 is opened after casting, cooling water with a certain temperature is injected, the cooling water flows along the direction of the spiral water channel and flows out from the through hole 7 at the upper end of the outer side wall of the outer cylinder 2, the casting is continuously directionally solidified and rapidly cooled, the casting obtains columnar crystals growing in a spiral shape, and simultaneously, the crystal grains of the casting are refined, the physical performance and the mechanical performance of the casting are greatly improved, and a material with excellent deformation performance is obtained.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The above-described embodiments of the apparatus and system are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. Casting mold, characterized in that it comprises at least: a mold body;
the mold body includes: the inner cylinder is positioned in the outer cylinder, the inner cylinder and the outer cylinder are spaced, and the top and the bottom of the inner cylinder and the bottom of the outer cylinder are sealed;
the space between the inner barrel and the outer barrel forms a diversion trench, and the outer side wall of the outer barrel is provided with at least two through holes communicated with the diversion trench.
2. The mold of claim 1, further comprising: a movable bottom plate and a casting riser; wherein,
the movable bottom plate is positioned at the bottom of the mould main body and seals the bottom of the mould main body;
the casting riser is fixed to the top of the die body and is of a cylindrical structure, a cavity inside the casting riser is a truncated cone-shaped cavity, and an opening with the larger diameter in the truncated cone-shaped cavity is matched with an opening in the top of the inner barrel.
3. The mold of claim 1, further comprising: the multilayer annular partition plate is arranged inside the diversion trench;
the inner ring edge of each annular partition plate is fixed with the outer wall of the inner barrel in a sealing way, and the outer ring edge of each annular partition plate is fixed with the inner wall of the outer barrel in a sealing way;
a cavity is formed between every two adjacent annular partition plates, each layer of annular partition plate is provided with a through hole which penetrates through the annular partition plate, and the upper cavity and the lower cavity of the annular partition plate are communicated through the through holes.
4. The mold of claim 1, further comprising: the spiral partition plate is arranged in the guide groove;
the inner ring edge of the spiral partition plate is fixed with the outer wall of the inner barrel in a sealing way, and the outer ring edge of the spiral partition plate is fixed with the inner wall of the outer barrel in a sealing way;
the spiral partition plate, the outer wall of the inner barrel and the inner wall of the outer barrel form a spiral channel in a sealing mode, and the spiral channel is communicated with all the through holes formed in the outer side wall of the outer barrel.
5. The mold according to claim 1, wherein the outer sidewall of the outer cylinder is provided with at least two through holes communicated with the guide grooves, comprising:
the at least one through hole is located at the upper end of the outer side wall of the outer barrel, and the at least one through hole is located at the lower end of the outer side wall of the outer barrel.
6. The mold according to any one of claims 1 to 4,
the thickness of the diversion trench is 2% -10% of the diameter of the inner cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387667.7U CN203972762U (en) | 2014-07-14 | 2014-07-14 | Casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387667.7U CN203972762U (en) | 2014-07-14 | 2014-07-14 | Casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203972762U true CN203972762U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420387667.7U Expired - Lifetime CN203972762U (en) | 2014-07-14 | 2014-07-14 | Casting die |
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| CN (1) | CN203972762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070133A (en) * | 2014-07-14 | 2014-10-01 | 湖南三泰新材料股份有限公司 | Cast die |
-
2014
- 2014-07-14 CN CN201420387667.7U patent/CN203972762U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070133A (en) * | 2014-07-14 | 2014-10-01 | 湖南三泰新材料股份有限公司 | Cast die |
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