CN109732040B - Core box - Google Patents
Core box Download PDFInfo
- Publication number
- CN109732040B CN109732040B CN201910232873.8A CN201910232873A CN109732040B CN 109732040 B CN109732040 B CN 109732040B CN 201910232873 A CN201910232873 A CN 201910232873A CN 109732040 B CN109732040 B CN 109732040B
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- Prior art keywords
- die
- movable
- static
- clamping
- mold
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- 230000003068 static effect Effects 0.000 description 53
- 239000004576 sand Substances 0.000 description 26
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
Landscapes
- Casting Devices For Molds (AREA)
Abstract
The invention relates to the technical field of metal casting, and discloses a core box for casting, which comprises a bottom die, a movable die, a static die and a sand shooting plate, wherein the movable die and the static die are respectively vertically erected on two sides of the bottom die, and the movable die and the static die can be relatively combined; positioning assemblies for respectively positioning the movable die and the static die are arranged on two sides of the bottom die, and clamping assemblies for clamping the movable die and the static die are arranged on two ends of the bottom die; the sand shooting plate is attached to the tops of the movable die and the static die, and a connecting structure is arranged between the sand shooting plate and the movable die as well as between the sand shooting plate and the static die. Through with movable mould and quiet mould vertical on the die block, when the core, only need to separate movable mould and quiet mould, promote the psammitolite between mould and the quiet mould in opposite directions with the help of the ejector pin and can go out the core, need not to overturn and beat the core box, and die block, movable mould, quiet mould and shooting plate are each other can dismantle the connection, be convenient for dismouting on the core making machine.
Description
Technical Field
The invention relates to the technical field of metal casting, in particular to a core box for casting.
Background
The core box is important technological equipment required to be used in casting production, and the design and the manufacture of the core box structure directly relate to the service life of the core box, the dimensional accuracy of castings and safe production.
The manufacturing flow of the core for manufacturing the casting workpiece is as follows: core sand is filled in the core box; hardening the core sand to obtain a sand core; and (5) lifting the core, namely taking the sand core out of the core box. The hardening treatment of the core sand may take the form of self-hardening or other hardening treatment.
The existing core box comprises a core box frame and a core box body bottom plate, and the core box frame and the core box body bottom plate are detachably and fixedly connected. When the sand core is manufactured, resin sand or sodium silicate sand (namely core sand) which is prepared by mixing is filled into the core box, the core box is scraped after jolt ramming, the core box is turned over to take out the core after the sand core is solidified, the core is relatively difficult to take out due to the fact that the resin sand and the sodium silicate sand are solidified and have higher strength, the bottom plate of the core box body is required to vibrate to take out the core, the striking force is transmitted to the sand core through the bottom plate of the core box body again, so that the force for taking out the sand core is very weak, in addition, the upper plane of the core box and the sand core are positioned at the same height and have no core taking space, the sand core can fall off after long striking, the striking force is required to be continuously increased along with the extension of the service time of the core box, and the deformation and the cracking occur to different degrees of the core box, so that the use is influenced.
In view of the above-mentioned drawbacks, the present inventors have actively studied and innovated to create a core box with a novel structure, which has a more industrially useful value.
Disclosure of Invention
The invention aims to provide a core box which does not need to turn over and core out, has smooth core out and is convenient to assemble and disassemble on a core making machine.
To achieve the purpose, the invention adopts the following technical scheme:
the core box comprises a bottom die, a movable die, a static die and a sand shooting plate, wherein:
the movable die and the static die are respectively vertically erected on two sides of the bottom die, and the movable die and the static die can be relatively combined;
Positioning assemblies for respectively positioning the movable die and the static die are arranged on two sides of the bottom die, and clamping assemblies for clamping the movable die and the static die are arranged on two ends of the bottom die;
The sand shooting plate is attached to the tops of the movable die and the static die, and a connecting structure is arranged between the sand shooting plate and the movable die as well as between the sand shooting plate and the static die.
As a preferable mode of the core box, the bottom die comprises a bottom die plate, the positioning assembly is arranged at the side part of the bottom die plate, and the positioning assembly comprises a plurality of first clamping blocks distributed along the length direction of the side part of the bottom die plate.
As a preferred scheme of the core box, each group of clamping assemblies comprises two clamping hooks arranged at the end part of the bottom template, the two clamping hooks respectively correspond to the end parts of the movable die and the static die, the clamping hooks are rotationally connected with the end parts of the bottom template, and an elastic piece is connected between the clamping hooks and the end parts of the bottom template.
As a preferable mode of the core box, a baffle capable of resisting the bottom end of the hook is arranged at the end of the bottom template.
As a preferable scheme of the core box, the movable mold comprises a movable mold mounting frame, a movable mold block and a movable mold top core plate, wherein:
the bottom of the movable die mounting frame is provided with a plurality of second clamping blocks which are used for propping and/or clamping the first clamping blocks;
the movable model block is arranged on the movable model mounting frame, and an inserting head is arranged on the movable model block;
the movable mold top core plate is arranged on the movable mold mounting frame and is opposite to the movable mold block.
As a preferable aspect of the above core box, the static mold includes a static mold mounting frame, a static mold block, and a static mold top core plate, wherein:
The bottom of the static mold mounting frame is provided with a plurality of third clamping blocks which are used for propping and/or clamping the first clamping blocks;
The static model block is arranged on the static model mounting frame, and is provided with a plug hole which is in plug fit with the plug connector;
the static mold top core plate is arranged on the static mold mounting frame and is opposite to the static mold block.
As a preferable scheme of the core box, the movable die mounting frame and the static die mounting frame are respectively provided with a bayonet matched with the clamping hook.
As a preferable mode of the core box, the movable mold block and the static mold block are both provided with heating sockets.
As a preferable scheme of the core box, the connecting structure comprises a bolt arranged at one diagonal position of the sand shooting plate, the bolt staggers the sand scraping area of the sand shooting plate, and the two bolts are respectively inserted into the movable die mounting frame and the static die mounting frame.
As a preferable scheme of the core box, the movable mold mounting frame, the movable mold top core plate, the static mold mounting frame, the static mold top core plate and the sand shooting plate are all provided with quick locking structures.
The beneficial effects of the invention are as follows: through with movable mould and quiet mould vertical on the die block, when the core, only need to separate movable mould and quiet mould, promote the psammitolite between mould and the quiet mould in opposite directions with the help of the ejector pin and can go out the core, need not to overturn and beat the core box, and die block, movable mould, quiet mould and shooting plate are each other can dismantle the connection, be convenient for dismouting on the core making machine.
Drawings
FIG. 1 is a schematic view of a core box according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the bottom die in the core box of FIG. 1;
FIG. 3 is an exploded view of the movable mold in the core box of FIG. 1;
FIG. 4 is an exploded view of a stationary mold in the core box of FIG. 1;
fig. 5 is a schematic structural view of a shooting plate in the core box of fig. 1.
In the figure:
110-a bottom die, 111-a bottom die plate, 112-a first clamping block, 113-a clamping hook and 114-a baffle;
120-moving die, 121-moving die mounting frame, 122-moving die block, 123-moving die top core plate, 124-second clamping block, 126-bayonet and 127-heating socket;
130-static molds, 131-static mold mounting frames, 132-static mold blocks, 133-static mold top core plates, 134-third clamping blocks, 135-plug holes, 136-bayonets and 137-heating sockets;
140-sand shooting plate, 141-bolt;
150-quick lock configuration.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1, the core box of the present invention includes a bottom mold 110, a movable mold 120, a stationary mold 130, and a sand shooting plate 140. The movable mold 120 and the static mold 130 are respectively vertically erected on two sides of the bottom mold 110, and the movable mold 120 and the static mold 130 can be relatively combined; positioning assemblies for positioning the movable die 120 and the static die 130 are arranged on two sides of the bottom die 110 respectively, and clamping assemblies for clamping the movable die 120 and the static die 130 are arranged on two ends of the bottom die 110; the sand shooting plate 140 is attached to the top of the movable mold 120 and the stationary mold 130, and a connection structure is disposed between the sand shooting plate 140 and the movable mold 120 and the stationary mold 130. According to the invention, by arranging the movable mould 120 and the static mould 130 which can be matched, and vertically standing the movable mould 120 and the static mould 130 on the bottom mould 110, the sand shooting plate 140 is arranged at the top of the movable mould 120 and the static mould 130, when the core box is used for preparing a core after forming the sand core, the movable mould 120 and the static mould 130 are separated, the sand core between the mould 120 and the static mould 130 can be ejected by pushing the sand core by means of the ejector rod oppositely, the core box is not required to be overturned and beaten, and the bottom mould 110, the movable mould 120, the static mould 130 and the sand shooting plate 140 are all detachably connected, so that the sand core box is convenient to be dismounted on a core making machine.
Specifically, as shown in fig. 2, the bottom die 110 includes a bottom die plate 111, and a positioning assembly is disposed at a side portion of the bottom die plate 111, and the positioning assembly includes a plurality of first clamping blocks 112 distributed along a length direction of the side portion of the bottom die plate 111. Each first clamping block 112 is used for clamping the bottoms of the movable mold 120 and the static mold 130, so that the movable mold 120 and the static mold 130 stand on the bottom mold 110 stably, and the movable mold 120 and the static mold 130 are positioned to avoid dislocation among the movable mold 120, the static mold 130 and the bottom mold 110.
In addition, each group of clamping assemblies comprises two clamping hooks 113 arranged at the end part of the bottom template 111, the two clamping hooks 113 respectively correspond to the end parts of the movable die 120 and the static die 130, the clamping hooks 113 are rotationally connected with the end part of the bottom template 111, and an elastic part (such as a spring) is connected between the clamping hooks 113 and the end part of the bottom template 111. The hook 113 can tightly press the movable die 120 and the static die 130 on the bottom die 110 under the elastic force of the elastic member, so that the parting of the movable die 120 and the static die 130 relative to the bottom die 110 is further avoided.
After the movable mold 120 and the static mold 130 are separated from the bottom mold 110, in order to prevent the hook 113 from being overturned and pressed on the bottom mold 110 under the action of the elastic member, the end of the bottom mold plate 111 is provided with the baffle 114 capable of resisting the bottom end of the hook 113, the baffle 114 resists the hook 113, the hook 113 can be ensured to be in an inclined state, and when the movable mold 120 and the static mold 130 enter from two sides of the bottom mold 110, the side walls of the movable mold 120 and the static mold 130 can be abutted against the hook 113 without manually pulling up the hook 113.
As shown in fig. 3, the movable mold 120 includes a movable mold mounting frame 121, a movable mold block 122 and a movable mold top core 123, wherein a plurality of second clamping blocks 124 for supporting and/or clamping the first clamping blocks 112 are arranged at the bottom of the movable mold mounting frame 121; the movable mold block 122 is disposed on the movable mold mounting frame 121, and an insertion head is disposed on the movable mold block 122; the movable mold top core plate 123 is disposed on the movable mold mounting frame 121 and faces the movable mold block 122.
As shown in fig. 4, the static mold 130 includes a static mold mounting frame 131, a static mold block 132 and a static mold top core plate 133, wherein a plurality of third clamping blocks 134 for supporting and/or clamping the first clamping blocks 112 are arranged at the bottom of the static mold mounting frame 131; the static model block 132 is arranged on the static model mounting frame 131, and the static model block 132 is provided with a plug hole 135 which is in plug fit with the plug; the stationary mold top core plate 133 is disposed on the stationary mold mounting frame 131 and faces the stationary mold block 132.
As a preferred embodiment of the present invention, the second clamping blocks 124 at two ends of the bottom of the movable mold mounting frame 121 respectively abut against the first clamping blocks 112 at two ends of the bottom mold plate 111, two adjacent second clamping blocks 124 are disposed at the bottom of the movable mold mounting frame 121, and the two second clamping blocks 124 clamp the first clamping blocks 112 from two sides. The third clamping block 134 clamps and holds the first clamping block 112 in the same manner as the second clamping block 124. Thus, when the movable mold 120 and the stationary mold 130 enter the bottom mold 110 from both sides, the first clamping block 112, the second clamping block 124 and the third clamping block 134 play a guiding and fixing role.
The movable mold mounting frame 121 is provided with a bayonet 126 for engaging the hook 113, and the stationary mold mounting frame 131 is provided with a bayonet 136 for engaging the hook 113. Thus, the clamping effect is better.
In order to facilitate hardening the core sand formed between the movable mold block 122 and the static mold block 132, the invention is provided with a heating socket 127 in the movable mold block 122, and a heating socket 137 in the static mold block 132, and hardening the core sand by electric heating.
As shown in fig. 5, in the present invention, for the connection structure between the shooting plate 140 and the movable mold 120 and the stationary mold 130, the connection structure includes the pins 141 disposed at one diagonal position of the shooting plate 140, and the pins 141 are staggered from the sand scraping area of the shooting plate 140, and the two pins 141 are respectively inserted into the movable mold mounting frame 121 and the stationary mold mounting frame 131. By inserting one plug 141 into the movable mold mounting frame 121 and inserting the other plug 141 into the stationary mold mounting frame 131, the movable mold 120 and the stationary mold 130 can be prevented from parting during transportation of the core box.
In order to facilitate the quick installation or the quick removal of the core box on or from the core machine, the invention is provided with quick locking structures 150 on the movable mold mounting frame 121, the movable mold top core plate 123, the stationary mold mounting frame 131, the stationary mold top core plate 133 and the sand shooting plate 140. The quick lock structure 150 may be a threaded hole or a pin, as long as the quick lock structure can be abutted.
In conclusion, the core box does not need to turn over to take out the core, and the core is smoothly taken out, and is convenient to assemble and disassemble on a core making machine.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (6)
1. The utility model provides a core box which characterized in that includes die block (110), movable mould (120), quiet mould (130) and sand shooting board (140), wherein:
The movable die (120) and the static die (130) are respectively vertically erected on two sides of the bottom die (110), and the movable die (120) and the static die (130) can be matched;
positioning components for respectively positioning the movable die (120) and the static die (130) are arranged on two sides of the bottom die (110), and clamping components for clamping the movable die (120) and the static die (130) are arranged on two ends of the bottom die (110);
The sand shooting plate (140) is attached to the tops of the movable die (120) and the static die (130), and a connecting structure is arranged between the sand shooting plate (140) and the movable die (120) and between the sand shooting plate and the static die (130);
the bottom die (110) comprises a bottom die plate (111), the positioning assembly is arranged at the side part of the bottom die plate (111), and the positioning assembly comprises a plurality of first clamping blocks (112) distributed along the length direction of the side part of the bottom die plate (111);
Each group of clamping assemblies comprises two clamping hooks (113) arranged at the end part of the bottom template (111), the two clamping hooks (113) respectively correspond to the end parts of the movable die (120) and the static die (130), the clamping hooks (113) are rotationally connected with the end part of the bottom template (111), and an elastic piece is connected between the clamping hooks (113) and the end part of the bottom template (111);
The end part of the bottom template (111) is provided with a baffle (114) capable of resisting the bottom end of the clamping hook (113), when the movable die (120) and the static die (130) are separated from the bottom die (110), the baffle (114) resists the clamping hook (113), so that the clamping hook (113) can be ensured to be in an inclined state, and when the movable die (120) and the static die (130) enter from two sides of the bottom die (110), the side walls of the movable die (120) and the static die (130) can be abutted against the clamping hook (113), and the clamping hook (113) is not required to be manually pulled up;
the movable mould (120) comprises a movable mould mounting frame (121), a movable mould block (122) and a movable mould top core plate (123), wherein:
A plurality of second clamping blocks (124) which are used for propping and/or clamping the first clamping blocks (112) are arranged at the bottom of the movable die mounting frame (121);
the static mold (130) comprises a static mold mounting frame (131), a static mold block (132) and a static mold top core plate (133), wherein:
A plurality of third clamping blocks (134) for propping and/or clamping the first clamping blocks (112) are arranged at the bottom of the static mold mounting frame (131);
The movable die mounting frame (121) and the static die mounting frame (131) are respectively provided with a bayonet (126, 136) matched with the clamping hook (113);
When the movable die (120) and the static die (130) enter from two sides of the bottom die (110), guiding and fixing functions are achieved among the first clamping block (112), the second clamping block (124) and the third clamping block (134).
2. The core box according to claim 1, characterized in that the movable mold block (122) is provided on the movable mold mounting frame (121), and that an insertion head is provided on the movable mold block (122);
The movable mold top core plate (123) is arranged on the movable mold mounting frame (121) and faces the movable mold block (122).
3. The core box according to claim 2, characterized in that the static model block (132) is arranged on the static model mounting frame (131), and the static model block (132) is provided with a plug hole (135) which is in plug fit with the plug connector;
The static mold top core plate (133) is arranged on the static mold mounting frame (131) and is opposite to the static mold block (132).
4. A cartridge as claimed in claim 3, wherein the movable mould block (122) and the stationary mould block (132) are each provided with a heating socket (127, 137).
5. A core box according to claim 3, wherein the connecting structure comprises pins (141) arranged at a pair of corners of the sand shooting plate (140), the pins (141) are staggered in the sand scraping area of the sand shooting plate (140), and two pins (141) are respectively inserted into the movable die mounting frame (121) and the static die mounting frame (131).
6. The core box according to claim 5, characterized in that the movable mold mounting frame (121), the movable mold top core plate (123), the stationary mold mounting frame (131), the stationary mold top core plate (133) and the sand shooting plate (140) are provided with quick lock structures (150).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232873.8A CN109732040B (en) | 2019-03-26 | 2019-03-26 | Core box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232873.8A CN109732040B (en) | 2019-03-26 | 2019-03-26 | Core box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109732040A CN109732040A (en) | 2019-05-10 |
| CN109732040B true CN109732040B (en) | 2024-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910232873.8A Active CN109732040B (en) | 2019-03-26 | 2019-03-26 | Core box |
Country Status (1)
| Country | Link |
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| CN (1) | CN109732040B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110465624B (en) * | 2019-09-19 | 2024-05-03 | 广西玉柴机器股份有限公司 | Ultra-large manual core box die of V-shaped engine cylinder block and core manufacturing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2843002Y (en) * | 2005-10-12 | 2006-11-29 | 鸿富锦精密工业（深圳）有限公司 | Electronic equipment with clamping close device |
| CN107214296A (en) * | 2017-06-05 | 2017-09-29 | 百色学院 | A kind of large diesel engine exterior mold bottom plate |
| CN108555239A (en) * | 2018-05-31 | 2018-09-21 | 广西玉柴机器股份有限公司 | A kind of air cylinder of marine diesel engine body hand ejection core box and release method |
| CN208004737U (en) * | 2018-04-03 | 2018-10-26 | 宁波高盛模具制造有限公司 | It is used to prepare the air intake duct core hot box of high performance diesel cylinder cap |
| CN209773387U (en) * | 2019-03-26 | 2019-12-13 | 苏州明志科技有限公司 | Core box |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86202960U (en) * | 1986-05-09 | 1988-07-27 | 鞍山钢铁公司 | Combined steel core box |
| JP4587722B2 (en) * | 2003-12-24 | 2010-11-24 | アイシン高丘株式会社 | Method for taking out molded body and molding apparatus |
| CN201223922Y (en) * | 2008-07-11 | 2009-04-22 | 苏州明志科技有限公司 | Casting mould for cold box |
| CN202725947U (en) * | 2012-06-25 | 2013-02-13 | 广西玉柴机器股份有限公司 | Hot core box mould |
| CN203711756U (en) * | 2014-01-27 | 2014-07-16 | 苏州明志科技有限公司 | Floating split-type locking mechanism for vertical parting cold core box |
| CN203887150U (en) * | 2014-03-28 | 2014-10-22 | 江阴市宏创铸造有限公司 | Hot core box mold |
| CN204639043U (en) * | 2015-05-18 | 2015-09-16 | 山东泰开精密铸造有限公司 | New-energy automobile list water channel support hot core box mould |
| CN105855462A (en) * | 2016-05-16 | 2016-08-17 | 江苏祥和电子科技有限公司 | Core box mold of automobile engine |
| CN107695293A (en) * | 2017-09-30 | 2018-02-16 | 侯马市东鑫机械铸造有限公司 | A kind of liftout attachment of hot box process |
| CN208321995U (en) * | 2018-05-31 | 2019-01-04 | 广西玉柴机器股份有限公司 | A kind of air cylinder of marine diesel engine body hand ejection core box |
-
2019
- 2019-03-26 CN CN201910232873.8A patent/CN109732040B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2843002Y (en) * | 2005-10-12 | 2006-11-29 | 鸿富锦精密工业（深圳）有限公司 | Electronic equipment with clamping close device |
| CN107214296A (en) * | 2017-06-05 | 2017-09-29 | 百色学院 | A kind of large diesel engine exterior mold bottom plate |
| CN208004737U (en) * | 2018-04-03 | 2018-10-26 | 宁波高盛模具制造有限公司 | It is used to prepare the air intake duct core hot box of high performance diesel cylinder cap |
| CN108555239A (en) * | 2018-05-31 | 2018-09-21 | 广西玉柴机器股份有限公司 | A kind of air cylinder of marine diesel engine body hand ejection core box and release method |
| CN209773387U (en) * | 2019-03-26 | 2019-12-13 | 苏州明志科技有限公司 | Core box |
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| CN109732040A (en) | 2019-05-10 |
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Address after: 215217, No. 1999, Xiao Xi Road, Tongli Town, Wujiang District, Jiangsu, Suzhou Applicant after: Suzhou Mingzhi Technology Co.,Ltd. Address before: 215217, No. 1999, Xiao Xi Road, Tongli Town, Wujiang District, Jiangsu, Suzhou Applicant before: SUZHOU MINGZHI TECHNOLOGY Co.,Ltd. |
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