CN105855473A - Engine cylinder block core-assembly process, engine cylinder block sand core and sand core set - Google Patents
Engine cylinder block core-assembly process, engine cylinder block sand core and sand core set Download PDFInfo
- Publication number
- CN105855473A CN105855473A CN201610378447.1A CN201610378447A CN105855473A CN 105855473 A CN105855473 A CN 105855473A CN 201610378447 A CN201610378447 A CN 201610378447A CN 105855473 A CN105855473 A CN 105855473A
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- Prior art keywords
- core
- jacket
- engine cylinder
- technique
- assembly
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/103—Multipart cores
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses an engine cylinder block sand core which comprises a main body end core and a process core, wherein the main body end core cooperates with a sand outlet end of a water sleeve core or with an end without a sand outlet of a water sleeve core for core assembly via the process core. When the engine cylinder block sand core provided by the invention is applied, the main body end core and the process core are split, so that a core assembly process can be used universally for the water sleeve core with sand outlets in front and rear ends and the water sleeve core without sand outlets in front and rear ends, and the core assembly requirements on the water sleeve core with the sand outlets and the water sleeve core without the sand outlets can be met by only one production line, the core assembly steps are reduced, and the flexibility and the automation degree of the engine cylinder block core-making line are improved. The invention further discloses an engine cylinder block sand core set and an engine cylinder block core assembly process.
Description
Technical field
The present invention relates to casting technology field, more particularly, it relates to a kind of Engine cylinder body sand core,
Further relate to a kind of Engine cylinder body sand core group, further relate to a kind of engine cylinder-body core assembling technology.
Background technology
The cylinder body of electromotor is typically produced by casting technique.In Foundry Production, core is used for mould casting
Chamber portion.The side of motor cylinder casting technique many employings core assembly pouring commonly used in the prior art
Formula.Engine cylinder body sand core group generally comprises jacket core, end core, cap core, case core etc., will before cast
Each core carries out core assembly.
According to different housing structures and process requirements, the jacket core of engine cylinder-body includes that rear and front end is equal
There is the jacket core of clearance hole and the rear and front end jacket core without clearance hole.Due to jacket core structure not
With, need to coordinate with the end core of different structure during core assembly, thus for above two jacket core, need logical
Cross different production lines and carry out core assembly, core assembly complex steps, and coremaking line flexibility is poor, automatization's journey
Spend relatively low.
In sum, Engine cylinder body sand core core assembly complex steps, coremaking line how are efficiently solved soft
Property difference etc. problem, be current those skilled in the art's urgent problem.
Summary of the invention
In view of this, first purpose of the present invention is to provide a kind of Engine cylinder body sand core, this
Motivation cylinder body core structure design can efficiently solve Engine cylinder body sand core core assembly complex steps,
The problem of coremaking line flexibility difference, second object of the present invention is to provide one and includes above-mentioned engine cylinder
The Engine cylinder body sand core group of body core, third object of the present invention is to provide a kind of engine cylinder-body
Core assembling technology.
In order to reach above-mentioned first purpose, the present invention provides following technical scheme:
A kind of Engine cylinder body sand core, including bulk end core and technique core, described bulk end core is used for leading to
Cross described technique core and coordinate core assembly with the nose end that shakes out of jacket core, or with jacket core without shaking out nose end
Coordinate core assembly.
Preferably, in above-mentioned Engine cylinder body sand core, described technique core and described bulk end core joggle,
Described technique core and the nose end joggle that shakes out of described jacket core.
Preferably, in above-mentioned Engine cylinder body sand core, described bulk end core is provided with for positioning
State the detent of technique core.
Preferably, in above-mentioned Engine cylinder body sand core, described technique core includes for equal with rear and front end
There are two ends before and after the jacket core of clearance hole and be respectively cooperating with front technique core and rear technique core, the institute of core assembly
State bulk end core include with the front bulk end core of described front technique core core assembly and with described rear technique core core assembly
Rear bulk end core.
Preferably, in above-mentioned Engine cylinder body sand core, described bulk end core is cold with described technique core
Core.
The Engine cylinder body sand core that the present invention provides includes bulk end core and technique core.Wherein, technique core
For coordinating core assembly with the nose end that shakes out of jacket core, bulk end core both for jacket core without clearance hole
End coordinates core assembly, is also used for coordinating with technique core, namely by the clearance hole of technique core with jacket core
End coordinates core assembly.
During the Engine cylinder body sand core that the application present invention provides, for having the jacket core of clearance hole, first
By pre-with the nose end that shakes out for technique core group.Thus pre-core assembly group overall group can enter bulk end core and case core group
In the integral core group become, for end without the jacket core of clearance hole, jacket core directly and bulk end core and
The integral core of case core composition assembles charge-coupled core, i.e. by the end core that will coordinate with the nose end that shakes out of jacket core
Being partitioned into bulk end core and the technique core coordinated with the nose end that shakes out, bulk end core can be with the nothing of jacket core
The nose end that shakes out coordinates core assembly.To sum up, by bulk end core and the typing of technique core so that rear and front end
The jacket core with clearance hole can be general without the core assembling technology of the jacket core of clearance hole with rear and front end,
Only need a production line can meet having the jacket core of clearance hole and without the jacket core of clearance hole simultaneously
Core assembly requirement, thus decrease core assembly step, improve the flexibility of engine cylinder-body coremaking line with automatic
Change degree.
In order to reach above-mentioned second purpose, present invention also offers a kind of Engine cylinder body sand core group,
Including end, there is the porose jacket core of clearance hole and the end atresia jacket core without clearance hole；Also include
Bulk end core and technique core, described technique core coordinates core assembly with the nose end that shakes out of described porose jacket core,
Described bulk end core coordinates core assembly by described technique core with the nose end that shakes out of porose jacket core, or with institute
That states atresia jacket core coordinates core assembly without nose end.
Preferably, in above-mentioned Engine cylinder body sand core group, described porose jacket core and described atresia water jacket
Core is totally enclosed jacket core between cylinder barrel.
Preferably, in above-mentioned Engine cylinder body sand core group, in the cylinder barrel of described jacket core, it is provided with stud.
The Engine cylinder body sand core group that the application present invention provides, improves the soft of engine cylinder-body coremaking line
Property and automaticity, decrease core assembly step.
Present invention also offers a kind of engine cylinder-body core assembling technology, including:
Engine cylinder-body core assembling technology, for Engine cylinder body sand core group as above is carried out core assembly,
Including:
By the nose end core assembly that shakes out of technique core Yu jacket core, and coordinating with cap core, core assembly is pre-core assembly group；
It is main core by bulk end core and case core core assembly；
By described pre-core assembly group and described main core core assembly.
Preferably, in above-mentioned engine cylinder-body core assembling technology, described by described pre-core assembly group and described master
Also include before body core core assembly:
By described pre-core assembly group dip-coating, drying, and clear up the coating on the built-in stud of described jacket core.
The engine cylinder-body core assembling technology that the application present invention provides, the jacket core with clearance hole can be with
Core assembling technology without the jacket core of clearance hole is general, it is only necessary to a production line can meet having simultaneously
The jacket core of sand hole and the core assembly requirement of the jacket core without clearance hole, improve engine cylinder-body coremaking line
Flexibility and automaticity.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that,
Accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art
From the point of view of, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
The structural representation of a kind of detailed description of the invention of Engine cylinder body sand core that Fig. 1 provides for the present invention；
Fig. 2 is the rear and front end water-jacket core structure schematic diagram without clearance hole；
Fig. 3 is the water-jacket core structure schematic diagram that there is clearance hole rear and front end；
Fig. 4 is that technique core organizes structural representation in advance with jacket core；
Fig. 5 is jacket core and bulk end core entirety core assembly structural representation.
In accompanying drawing, labelling is as follows:
Bulk end core 1, technique core 2, front bulk end core 11, rear bulk end core 12, front technique core 21,
Rear technique core 22, cap core 3, jacket core 4, clearance hole 5.
Detailed description of the invention
The embodiment of the invention discloses a kind of Engine cylinder body sand core, with improve coremaking line flexibility and from
Dynamicization degree, simplification core assembly step.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is entered
Row clearly and completely describes, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Have and make the every other embodiment obtained under creative work premise, broadly fall into present invention protection
Scope.
Refer to the Engine cylinder body sand core one detailed description of the invention that Fig. 1-Fig. 5, Fig. 1 provide for the present invention
Structural representation；Fig. 2 is the rear and front end water-jacket core structure schematic diagram without clearance hole；Fig. 3 is front and back
There is the water-jacket core structure schematic diagram of clearance hole at two ends；Fig. 4 is that technique core organizes structural representation in advance with jacket core
Figure；Fig. 5 is jacket core and bulk end core entirety core assembly structural representation.
In a kind of detailed description of the invention, the Engine cylinder body sand core that the present invention provides includes bulk end core 1
With technique core 2.
Wherein, technique core 2 is for coordinating core assembly, bulk end core 1 to be both used for the nose end that shakes out of jacket core 4
The nose end that shakes out with the nothing of jacket core 4 coordinates core assembly, is also used for the clearance hole by technique core 2 with jacket core 4
End coordinates core assembly.I.e. by the end core coordinated with the nose end that shakes out of jacket core 4 is partitioned into bulk end core 1
And the technique core 2 coordinated with clearance hole, bulk end core 1 can either be with the coordinating without the nose end that shake out of jacket core 4
Core assembly, it is also possible to coordinate core assembly with technique core.Concrete bulk end core 1 coordinates face, also with technique core 2
Be exactly die joint need in conjunction with the end face of jacket core 4 and bulk end core 1 respectively with jacket core 4 and technique core 2
Cooperation is configured, and is not specifically limited herein.
It should be noted that according to technique needs, be respectively provided with the jacket core of clearance hole 5 for rear and front end
For 4, technique core 2 include the front end core assembly with jacket core 5 front technique core 21 and with jacket core 5 after
The rear technique core 22 of end core assembly, corresponding bulk end core 1 can include that corresponding jacket core 4 rear and front end is divided
The front bulk end core 11 not arranged and rear bulk end core 12.According to the isostructural difference of front and back's clearance hole 5,
Front technique core 21 can corresponding with the front-end and back-end of jacket core 4 respectively set with the structure of rear technique core 22
It is set to different structure, front bulk end core 11 and rear bulk end core 12 corresponding it can also be provided that difference is tied
Structure, certainly, can also be set to identical knot by front bulk end core 11 and rear bulk end core 12 as required
Structure.Certainly, in the case of some is ad hoc, as one end of only jacket core 4 is provided with clearance hole 5, then should
The nose end that shakes out coordinates core assembly with technique core 2 accordingly, then with bulk end core 1 core assembly, without clearance hole 5
The other end then directly coordinates core assembly with bulk end core 1.Thus, according to the structure at jacket core 4 two ends
Difference, have the nose end that shakes out by technique core 2 and bulk end core 1 core assembly, the most direct without the nose end that shakes out
With bulk end core core assembly.Concrete, bulk end core 1 can include being respectively used to direct with the nothing nose end that shakes out
First bulk end core of core assembly, and for by technique core 2 and the second bulk end having the nose end core assembly that shakes out
Core, the structure of the first bulk end core and the second bulk end core is different.Certainly, can share together at the two
In the case of one main structure body end core, the first bulk end core and the second bulk end core can also be identical knot
Structure.
During the Engine cylinder body sand core that the application present invention provides, during as produced corresponding to cast iron housing, right
In having the jacket core 4 of clearance hole 5, first by pre-with the nose end that shakes out for technique core 2 group.Thus pre-core assembly group can
With overall group enter bulk end core 1 with in the integral core group of case core composition, for end without the water of clearance hole 5
Set core 4, the integral core that jacket core 4 directly forms with bulk end core 1 and case core assembles charge-coupled core.To sum up,
By bulk end core 1 and the typing of technique core 2 so that rear and front end has jacket core 4 energy of clearance hole 5
Enough general without the core assembling technology of the jacket core 4 of clearance hole 5 with rear and front end, it is only necessary to a production line
Meet having the jacket core 4 of clearance hole 5 and the core assembly requirement of the jacket core 4 without clearance hole 5 simultaneously, thus
Decrease core assembly step, improve flexibility and the automaticity of engine cylinder-body coremaking line.
Concrete, technique core 2 and bulk end core 1 joggle, technique core 2 and the nose end tenon that shakes out of jacket core 4
Connect.The most respectively joinery and its construction is set on technique core 2 with bulk end core 1 so that bulk end core 1 energy
Enough nothings by joinery and its construction with technique core 2 or jacket core 4 nose end that shakes out coordinates core assembly.Certainly, according to
Needs can also use the connected mode of other routines to carry out core assembly.
For the ease of the location of bulk end core 1 with technique core 2, it is fixed to be provided on bulk end core 1
The detent of position technique core 2.Concrete detent position is set and structure need to be according to technique core 2
Structure, and being configured with coordinating etc. of jacket core 4, so that after technique core 2 and pre-group of jacket core 4
Can core assembly overall with bulk end core 1.
In the above-described embodiments, bulk end core 1 and technique core 2 are typically cold core.I.e. by cold core work
The core that skill prepares.
The invention also discloses a kind of Engine cylinder body sand core group, including jacket core 4, jacket core 4 includes
End has the porose jacket core of clearance hole 5 and the end atresia jacket core without clearance hole 5；Also include main
Body end core 1 and technique core 2, technique core 2 coordinates core assembly, bulk end core with the nose end that shakes out of porose jacket core
1 coordinates core assembly by technique core 2 with the nose end that shakes out of porose jacket core, or with the atresia of atresia jacket core
End coordinates core assembly.Namely Engine cylinder body sand core group, including the core group with porose jacket core core assembly
And with the core group of atresia jacket core core assembly, include porose water jacket with the core group of porose jacket core core assembly
Core, shake out nose end and technique core 2 core assembly of porose jacket core, technique core 2 and bulk end core 1 core assembly；With
The core group of atresia jacket core core assembly includes atresia jacket core, atresia jacket core direct without the nose end that shakes out
With bulk end core 1 core assembly.It should be noted that porose jacket core includes that rear and front end is respectively provided with clearance hole 5
Jacket core, also include that the most only one end has the jacket core of clearance hole 5, then one end had
Having the jacket core of clearance hole 5, its nose end that shakes out coordinates core assembly by technique core 2 with bulk end core 1, and nothing
The nose end that shakes out directly coordinates core assembly with bulk end core 1.
Engine cylinder body sand core group typically also includes cap core 3 and case core as required.During core assembly cap core 3 with
Jacket core 4 first pre-group, the main core core assembly then formed with bulk end core and case core core assembly.
On the basis of the various embodiments described above, in the cylinder barrel of jacket core 4, it is provided with stud.For totally-enclosed
Cylinder body for, above-mentioned porose jacket core and atresia jacket core are the water jacket of totally-enclosed cylinder body between cylinder barrel
During core, between the cylinder barrel of water jacket, opening part easily deforms, therefore by arranging stud in cylinder barrel, to carry
For enough support strengths, prevent jacket core 4 from deforming.As required, it would however also be possible to employ external stud,
Opening part between jacket core 4 cylinder barrel will be stuck in by stud, but external stud easily blocks damage core, and reliability
Relatively low.
The Engine cylinder body sand core group that the application present invention provides, during as produced corresponding to cast iron housing, logical
Cross bulk end core 1 and the typing of technique core 2 so that porose jacket core can be with the core assembly of atresia jacket core
Technique is general, it is only necessary to a production line can meet having the jacket core of clearance hole 5 and without clearance hole simultaneously
The core assembly requirement of the jacket core of 5, thus decrease core assembly step, improve engine cylinder-body coremaking line
Flexibility and automaticity.
The invention also discloses a kind of engine cylinder-body core assembling technology, for by engine cylinder described above
Body core group carries out core assembly, including:
S1: by the nose end core assembly that shakes out of technique core Yu jacket core, and coordinating with cap core, core assembly is pre-group
Core group；
Namely end is had to the jacket core of clearance hole, first shaked out during core assembly nose end and technique
Core core assembly, in the case of before and after jacket core, two ends are provided with clearance hole, the most respectively by technique
Core retainer plate is loaded on before and after jacket core outside the clearance hole at two ends, coordinates core assembly with jacket core, and by cap core with
Jacket core and technique core core assembly, form pre-core assembly group.
S2: be main core by bulk end core and case core core assembly；
Bulk end core and case core elder generation core assembly, form main core.It should be noted that step S1 and step
The order of S2 specifically can also be carried out simultaneously, or first carries out step S2, then carries out step S1, tool
Body can be not limited thereof, and is configured according to concrete core assembling technology or coremaking line demand.
S3: by pre-core assembly group and main core core assembly.
After bulk end core and case core, and jacket core, technique core and cap core core assembly respectively, pre-by form
Further group of core assembly group enters in Main body core group.By above-mentioned technique, for end, there is clearance hole
Jacket core, first by it with technique core core assembly, its follow-up core assembling technology can be with end without the water of clearance hole
The core assembling technology of set core is general, and then improves flexibility and the automaticity of coremaking line, reduces simultaneously
Core assembly step.
Concrete, pre-core assembly group was also included before main core core assembly:
S21: by pre-core assembly group dip-coating, drying, and clear up the coating on the built-in stud of jacket core.Right
For the jacket core of totally enclosed type cylinder body, need to stud be set in case water-baffling sleeve core deforms, in using
When putting formula stud, then need to be removed by the coating of dip-coating on stud before cast, to ensure cast effect.
Certainly, then without carrying out coating removing during employing external stud.
The engine cylinder-body core assembling technology that the application present invention provides, the jacket core with clearance hole can be with
Core assembling technology without the jacket core of clearance hole is general, it is only necessary to a production line can meet having simultaneously
The jacket core of sand hole and the core assembly requirement of the jacket core without clearance hole, improve engine cylinder-body coremaking line
Flexibility and automaticity.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being all the difference with other embodiments, between each embodiment, identical similar portion sees mutually i.e.
Can.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or makes
Use the present invention.Multiple amendment to these embodiments will be aobvious for those skilled in the art
And be clear to, generic principles defined herein can be without departing from the spirit or scope of the present invention
In the case of, realize in other embodiments.Therefore, the present invention is not intended to be limited to shown in this article
These embodiments, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (10)
1. an Engine cylinder body sand core, it is characterised in that include bulk end core and technique core,
Described bulk end core is used for coordinating core assembly by described technique core with the nose end that shakes out of jacket core, or
Person coordinates core assembly with jacket core without the nose end that shakes out.
Engine cylinder body sand core the most according to claim 1, it is characterised in that described
Technique core and the nose end tenon that shakes out of described bulk end core joggle, described technique core and described jacket core
Connect.
Engine cylinder body sand core the most according to claim 1, it is characterised in that described
The detent for positioning described technique core it is provided with on bulk end core.
4. according to the Engine cylinder body sand core described in any one of claim 1-3, it is characterised in that
Before and after described technique core includes the jacket core for being respectively provided with clearance hole with rear and front end, two ends are divided
Not coordinating the front technique core of core assembly and rear technique core, described bulk end core includes and described front technique
The front bulk end core of core core assembly and the rear bulk end core with described rear technique core core assembly.
Engine cylinder body sand core the most according to claim 4, it is characterised in that described
Bulk end core and described technique core are cold core.
6. an Engine cylinder body sand core group, has the porose jacket core of clearance hole including end
With end without the atresia jacket core of clearance hole；It is characterized in that, also include bulk end core and technique
Core, described technique core coordinates core assembly, described bulk end with the nose end that shakes out of described porose jacket core
Core coordinates core assembly by the nose end that shakes out of described technique core with described porose jacket core, or with described
Atresia jacket core without nose end coordinate core assembly.
Engine cylinder body sand core group the most according to claim 6, it is characterised in that institute
State porose jacket core and described atresia jacket core is totally enclosed jacket core between cylinder barrel.
8. according to the Engine cylinder body sand core group described in claim 6 or 7, it is characterised in that
It is provided with stud in the cylinder barrel of described jacket core.
9. an engine cylinder-body core assembling technology, it is characterised in that being used for will be such as claim
Engine cylinder body sand core group described in any one of 6-8 carries out core assembly, including:
By the nose end core assembly that shakes out of technique core Yu jacket core, and coordinating with cap core, core assembly is pre-group
Core group；
It is main core by bulk end core and case core core assembly；
By described pre-core assembly group and described main core core assembly.
Engine cylinder-body core assembling technology the most according to claim 9, it is characterised in that
Described described pre-core assembly group was also included before described main core core assembly:
By described pre-core assembly group dip-coating, drying, and clear up on the built-in stud of described jacket core
Coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610378447.1A CN105855473B (en) | 2016-05-27 | 2016-05-27 | Engine cylinder body core assembling technology, Engine cylinder body sand core and sand core group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610378447.1A CN105855473B (en) | 2016-05-27 | 2016-05-27 | Engine cylinder body core assembling technology, Engine cylinder body sand core and sand core group |
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| CN105855473A true CN105855473A (en) | 2016-08-17 |
| CN105855473B CN105855473B (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610378447.1A Active CN105855473B (en) | 2016-05-27 | 2016-05-27 | Engine cylinder body core assembling technology, Engine cylinder body sand core and sand core group |
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| CN106180575A (en) * | 2016-08-26 | 2016-12-07 | 江铃汽车股份有限公司 | A kind of Pneumatic flexible core assembly frock |
| CN107052257A (en) * | 2017-03-24 | 2017-08-18 | 江铃汽车股份有限公司 | Engine cylinder body sand core and its core assembly method |
| CN112846094A (en) * | 2020-12-31 | 2021-05-28 | 苏州勤堡精密机械有限公司 | Full-shell core high-precision core assembly process for four-cylinder body of engine |
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| CN112846094A (en) * | 2020-12-31 | 2021-05-28 | 苏州勤堡精密机械有限公司 | Full-shell core high-precision core assembly process for four-cylinder body of engine |
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| Publication number | Publication date |
|---|---|
| CN105855473B (en) | 2018-10-19 |
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