CN114262771A - Casting quenching treatment process for wear-resistant steel balls - Google Patents

Casting quenching treatment process for wear-resistant steel balls Download PDF

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Publication number
CN114262771A
CN114262771A CN202111597137.6A CN202111597137A CN114262771A CN 114262771 A CN114262771 A CN 114262771A CN 202111597137 A CN202111597137 A CN 202111597137A CN 114262771 A CN114262771 A CN 114262771A
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China
Prior art keywords
steel ball
quenching
wear
rail
steel balls
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CN202111597137.6A
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Chinese (zh)
Inventor
徐思玉
李新国
李利
石祖岭
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Xuzhou Deyao Mining Machinery Manufacturing Co ltd
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Xuzhou Deyao Mining Machinery Manufacturing Co ltd
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Priority to CN202111597137.6A priority Critical patent/CN114262771A/en
Publication of CN114262771A publication Critical patent/CN114262771A/en
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Abstract

The invention discloses a casting quenching treatment process for a wear-resistant steel ball, which relates to the technical field of steel ball casting and comprises a quenching feeding assembly, wherein a cooling detection assembly is arranged inside the quenching feeding assembly, a separation disc is arranged below the cooling detection assembly, a first slide rail is arranged below the separation disc, a second slide rail is arranged below the first slide rail, and the bottom surface of the separation disc is movably connected with the upper surface of the first slide rail. According to the invention, the temperature of the steel ball is monitored in real time through the infrared temperature measuring hole, so that the error of manual temperature measurement is avoided, the qualified steel ball is pushed by the single-tooth rod, the auxiliary movable rail is started and pulled to move downwards by the lifting hydraulic rod, so that the qualified steel ball rolls along the inner wall of the guide rail and enters the quenching tank through the steel ball guide hole for quenching, and the unqualified steel ball is guided to a to-be-treated area through another group of guide rails for additional treatment, so that the rapid sorting is realized, and meanwhile, the occupied space is reduced.

Description

Casting quenching treatment process for wear-resistant steel balls
Technical Field
The invention relates to the technical field of steel ball casting, in particular to a casting quenching treatment process for a wear-resistant steel ball.
Background
Quenching, a heat treatment process of metal and glass. The quenching of steel is a heat treatment process in which the steel is heated to a temperature above the critical temperature Ac3 (hypoeutectoid steel) or Ac1 (hypereutectoid steel), is kept warm for a certain period of time to make all or part of the austenite 1, and is then rapidly cooled to a temperature below Ms (or isothermal near Ms) at a cooling rate greater than the critical cooling rate to perform martensite (or bainite) transformation. The solution treatment or heat treatment process with a rapid cooling process of materials such as aluminum alloys, copper alloys, titanium alloys, tempered glass, etc. is also generally called quenching. The quenching of the steel ball is also the steel ball heat treatment process. The steel ball is quenched in order to make the super-cooled austenite perform martensite transformation, i.e. to make the metallographic structure inside the metal transformed, and then the steel ball is tempered at different temperatures, so that the steel ball achieves large-amplitude strength, hardness and fatigue resistance, thereby meeting the requirements of the steel ball on crushing load and wear resistance. But the existing temperature-waiting sorting device used in quenching treatment has certain problems in the using process.
The following problems exist in the prior art:
1. in the use process of the existing temperature-waiting sorting device used in quenching treatment, due to manual temperature measurement, temperature control deviation is large easily, the heat treatment quality of steel balls is not stable enough, and even some waste balls appear;
2. when the existing temperature-waiting sorting device used in quenching treatment is used, in order to uniformly cool steel balls in rolling, the adopted spiral temperature-waiting device has low automation degree and large occupied space.
Disclosure of Invention
The invention provides a casting quenching treatment process for wear-resistant steel balls, which aims to provide a quenching throwing component, a separating disc, a first slide rail, a second slide rail and a rail-separating slide rail, and solves the problems that the temperature control deviation is large, the heat treatment quality of the steel balls is not stable enough, and even some waste balls are generated due to manual temperature measurement in the use process of the existing temperature-waiting sorting device used in quenching treatment; the other purpose is to solve the problems that the spiral temperature waiting device has low automation degree and large occupied space in order to uniformly cool the steel balls in rolling during the use of the existing temperature waiting sorting device used in quenching treatment, so as to achieve good temperature cooling effect.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: provides a casting quenching treatment process of a wear-resistant steel ball, which comprises two aspects:
in a first aspect, the present invention provides a technical solution: a casting quenching treatment process for a wear-resistant steel ball mainly comprises the following steps:
the method comprises the following steps: casting the wear-resistant steel balls;
step two: cooling the wear-resistant steel balls;
step three: quenching and tempering the wear-resistant steel balls.
The technical scheme of the invention is further improved as follows: the casting of the wear-resistant steel ball in the first step comprises the following steps:
a1: and feeding the scrap steel into a steelmaking furnace for refining to obtain molten steel.
A2: and injecting molten steel into the die assembly through a pouring gate of the steel ball die, cooling, demoulding and separating the steel ball.
The technical scheme of the invention is further improved as follows: the cooling of the wear-resistant steel balls in the second step comprises the following steps:
b1: conveying the steel balls subjected to pouring forming to a cooling system through a lifting device for cooling;
b2: and conveying the cooled steel balls into a secondary heating system for reheating.
The technical scheme of the invention is further improved as follows: the quenching and tempering of the wear-resistant steel balls in the third step comprises the following steps:
c1: placing the reheated steel ball on the surface of a side position support in the quenching feeding assembly, then automatically rolling the steel ball to a bearing area formed by a first slide rail and a second slide rail along the inner wall of a steel ball feeding groove under the action of self weight, simultaneously starting a rotating motor to drive two groups of single-tooth rods in a separating disc to form limiting butt joint on the single steel ball, and pushing the single-tooth rods to enable the steel ball to be in a rolling state;
c2: the internal fan that external power supply started cooling detection subassembly is cooled off the steel ball of rolling state, and infrared temperature measurement hole carries out real time monitoring to the temperature of steel ball:
c3: the steel balls with qualified temperature detected in the infrared temperature measuring holes are pushed to the position of the auxiliary movable rail by the single-tooth rod, the lifting hydraulic rod is started to pull the auxiliary movable rail to move downwards, so that the qualified steel balls roll along the inner wall of the guide split rail, the auxiliary movable rail resets, finally the steel balls enter the quenching tank through the steel ball guide holes to be quenched, and the unqualified steel balls are guided to a region to be treated through the other group of guide split rails to be additionally treated;
c4: and after quenching is finished, conveying the steel balls to a tempering system for treatment, and finishing production.
In a second aspect, the present invention provides a technical solution: the utility model provides a wear-resisting steel ball casting quenching processing apparatus, puts in the subassembly including quenching, the inside that the subassembly was put in quenching is provided with cooling determine module, cooling determine module's below is provided with the separation disc, the below of separation disc is provided with first slide rail, the below of first slide rail is provided with the second slide rail, the bottom surface of separation disc with the upper surface swing joint of first slide rail, swing joint is located at the bottom surface center of separation disc has the center pin, the inner wall fixedly connected with rotating electrical machines of center pin, the bottom surface fixedly connected with list ratch of first slide rail.
The technical scheme of the invention is further improved as follows: one end of the second sliding rail is fixedly connected with a limiting block, the bottom surface of the limiting block is movably connected with an auxiliary movable rail, the bottom surface of the auxiliary movable rail is movably connected with a lifting hydraulic rod, the bottom end of the lifting hydraulic rod is movably connected with a rail splitting slideway, the inner wall of the rail splitting slideway is fixedly connected with a guide split rail, and the bottom surface of the inner wall of the guide split rail is provided with a steel ball guide hole.
The technical scheme of the invention is further improved as follows: the inner wall of the cooling detection assembly is fixedly connected with a built-in fan, the upper surface of the cooling detection assembly is fixedly connected with a breathable grid, and the bottom surface of the cooling detection assembly is fixedly connected with an infrared temperature measuring hole.
The technical scheme of the invention is further improved as follows: divide rail slide bottom surface fixedly connected with bracing piece, the bottom fixedly connected with quenching bath of bracing piece, one side of dividing the rail slide is provided with the side position support, the steel ball has been seted up to the upper surface of side position support and has been sent into the groove.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a casting quenching treatment process for a wear-resistant steel ball, which utilizes an infrared temperature measurement hole to monitor the temperature of the steel ball in real time and solves the problems that the temperature control deviation is large, the heat treatment quality of the steel ball is not stable enough and even some waste balls are generated due to manual temperature measurement in the use process of the existing temperature-waiting sorting device used in quenching treatment.
2. The invention provides a casting quenching treatment process for wear-resistant steel balls, which is characterized in that a single-tooth rod pushes qualified steel balls to a region before the position of an auxiliary movable rail, a lifting hydraulic rod is started to pull the auxiliary movable rail to move downwards, so that the qualified steel balls roll along the inner wall of a guide branch rail, the auxiliary movable rail is reset, finally the steel balls enter a quenching tank through steel ball guide holes to be quenched, and unqualified steel balls are guided to a to-be-treated region through another group of guide branch rails to be subjected to additional treatment, so that the rapid sorting is realized, and meanwhile, the occupied space is reduced.
3. The invention provides a casting quenching treatment process for wear-resistant steel balls, wherein an external power supply starts a built-in fan in a cooling detection assembly to cool steel balls in a rolling state, the built-in fan is positioned above the wear-resistant steel balls, and the generated air flows to uniformly carry away heat on the steel balls, so that the steel balls are uniformly cooled in rolling, and the influence of temperature unevenness on subsequent quenching treatment is avoided.
Drawings
FIG. 1 is a schematic structural view of a quench dosing assembly of the present invention;
FIG. 2 is a schematic view of a detail of the structure of the separation disc of the present invention;
FIG. 3 is a schematic structural diagram of an auxiliary movable rail according to the present invention;
FIG. 4 is a bottom view of the cooling detection assembly of the present invention;
FIG. 5 is a bottom view of the split-rail slideway of the present invention;
FIG. 6 is a schematic flow chart of the present invention.
In the figure: 1. quenching and putting the components; 2. a separation disc; 3. a first slide rail; 4. a second slide rail; 5. a quenching bath; 6. a support bar; 7. a split rail slideway; 8. a central shaft; 9. a rotating electric machine; 10. guiding and splitting rails; 11. a cooling detection assembly; 12. a lateral bracket; 13. the steel ball is sent into the groove; 14. an auxiliary movable rail; 15. a limiting block; 16. a lifting hydraulic rod; 17. a steel ball guide hole; 18. an infrared temperature measuring hole; 19. a built-in fan is arranged; 20. an air permeable grid.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
In a first aspect, as shown in fig. 1 to 6, the present invention provides a technical solution: a casting quenching treatment process for a wear-resistant steel ball mainly comprises the following steps:
the method comprises the following steps: casting the wear-resistant steel balls;
step two: cooling the wear-resistant steel balls;
step three: quenching and tempering the wear-resistant steel balls.
The casting of the wear-resistant steel ball in the first step comprises the following steps:
a1: and feeding the scrap steel into a steelmaking furnace for refining to obtain molten steel.
A2: and injecting molten steel into the die assembly through a pouring gate of the steel ball die, cooling, demoulding and separating the steel ball.
The cooling of the wear-resistant steel balls in the second step comprises the following steps:
b1: conveying the steel balls subjected to pouring forming to a cooling system through a lifting device for cooling;
b2: and conveying the cooled steel balls into a secondary heating system for reheating.
The quenching and tempering of the wear-resistant steel ball in the third step comprises the following steps:
c1: placing the reheated steel ball on the surface of a side position support in the quenching feeding assembly, then automatically rolling the steel ball to a bearing area formed by a first slide rail and a second slide rail along the inner wall of a steel ball feeding groove under the action of self weight, simultaneously starting a rotating motor to drive two groups of single-tooth rods in a separating disc to form limiting butt joint on the single steel ball, and pushing the single-tooth rods to enable the steel ball to be in a rolling state;
c2: the internal fan that external power supply started cooling detection subassembly is cooled off the steel ball of rolling state, and infrared temperature measurement hole carries out real time monitoring to the temperature of steel ball:
c3: the steel balls with qualified temperature detected in the infrared temperature measuring holes are pushed to the position of the auxiliary movable rail by the single-tooth rod, the lifting hydraulic rod is started to pull the auxiliary movable rail to move downwards, so that the qualified steel balls roll along the inner wall of the guide split rail, the auxiliary movable rail resets, finally the steel balls enter the quenching tank through the steel ball guide holes to be quenched, and the unqualified steel balls are guided to a region to be treated through the other group of guide split rails to be additionally treated;
c4: and after quenching is finished, conveying the steel balls to a tempering system for treatment, and finishing production.
Has the advantages that: the invention provides a casting quenching treatment process for wear-resistant steel balls, which utilizes an infrared temperature measuring hole 18 to monitor the temperature of the steel balls in real time and solves the problems that the temperature control deviation is large, the heat treatment quality of the steel balls is not stable enough, and even some waste balls are generated due to manual temperature measurement in the use process of the existing temperature-waiting sorting device used in quenching treatment.
The invention provides a casting quenching treatment process for wear-resistant steel balls, which is characterized in that a single-tooth rod pushes qualified steel balls to an area before the position of an auxiliary movable rail 14, a lifting hydraulic rod 16 is started to pull the auxiliary movable rail 14 to move downwards, so that the qualified steel balls roll along the inner wall of a guide branch rail 10, the auxiliary movable rail 14 is reset, finally the steel balls enter a quenching tank 5 through a steel ball guide hole 17 for quenching, and unqualified steel balls are guided to a to-be-treated area through another group of guide branch rails 10 for additional treatment, so that the rapid sorting is realized, and meanwhile, the occupied space is reduced.
The invention provides a casting quenching treatment process for a wear-resistant steel ball, which is characterized in that an external power supply starts a built-in fan 19 in a cooling detection assembly 11 to cool the steel ball in a rolling state, the built-in fan 19 is positioned above the wear-resistant steel ball, and the generated air flows and can uniformly carry away heat on the steel ball, so that the steel ball is uniformly cooled in the rolling process, and the influence of uneven temperature on subsequent quenching treatment is avoided.
Example 2
In a second aspect, as shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: a casting quenching treatment device for wear-resistant steel balls comprises a quenching feeding assembly 1, a cooling detection assembly 11 is arranged inside the quenching feeding assembly 1, a separation disc 2 is arranged below the cooling detection assembly 11, a first slide rail 3 is arranged below the separation disc 2, a second slide rail 4 is arranged below the first slide rail 3, the bottom surface of the separation disc 2 is movably connected with the upper surface of the first slide rail 3, the center of the bottom surface of the separation disc 2 is movably connected with a central shaft 8, the inner wall of the central shaft 8 is fixedly connected with a rotating motor 9, the bottom surface of the first slide rail 3 is fixedly connected with a single-tooth rod, one end of the second slide rail 4 is fixedly connected with a limiting block 15, the bottom surface of the limiting block 15 is movably connected with an auxiliary movable rail 14, the bottom surface of the auxiliary movable rail 14 is movably connected with a lifting hydraulic rod 16, the bottom end of the lifting hydraulic rod 16 is movably connected with a rail dividing slide 7, and the inner wall of the rail dividing slide 7 is fixedly connected with a guide dividing rail 10, the bottom surface of the inner wall of the guide sub-rail 10 is provided with a steel ball guide hole 17.
The inner wall fixedly connected with of cooling determine module 11 embeds fan 19, the last fixed surface of cooling determine module 11 is connected with ventilative grid 20, the bottom surface fixedly connected with infrared temperature measurement hole 18 of cooling determine module 11, divide rail slide 7 bottom surface fixedly connected with bracing piece 6, the bottom fixedly connected with quenching bath 5 of bracing piece 6, one side of dividing rail slide 7 is provided with side position support 12, the steel ball feed trough 13 has been seted up to the upper surface of side position support 12.
The working principle of the apparatus for casting and quenching wear-resistant steel balls is described in detail below.
As shown in fig. 1-6, a reheating steel ball is placed on the surface of a side position bracket 12 in a quenching throwing component 1, then the steel ball automatically rolls to a bearing area formed by a first slide rail 3 and a second slide rail 4 along the inner wall of a steel ball feeding groove 13 under the action of self weight, simultaneously a rotating motor 9 is started to drive two groups of single toothed rods in a separating disc 2 to form limit butt joint on the single steel ball, the steel ball is in a rolling state under the pushing of the single toothed rods, an external power supply starts a built-in fan 19 in a cooling detection component 11 to cool the steel ball in the rolling state, an infrared temperature measurement hole 18 carries out real-time monitoring on the temperature of the steel ball, a lifting hydraulic rod 16 starts to pull an auxiliary movable rail 14 to move downwards before the steel ball with qualified temperature detected by the infrared temperature measurement hole 18 is pushed to the position of the auxiliary movable rail 14 by the single toothed rods, so that the qualified steel ball rolls along the inner wall of a guide rail 10, the auxiliary movable rail 14 is reset, and finally enters the quenching tank 5 through the steel ball guide hole 17 for quenching, and unqualified steel balls are guided to the area to be treated through the other group of guide sub-rails 10 for additional treatment.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.

Claims (8)

1. A casting quenching treatment process for wear-resistant steel balls is characterized by comprising the following steps: the casting quenching treatment process of the wear-resistant steel ball mainly comprises the following steps:
the method comprises the following steps: casting the wear-resistant steel balls;
step two: cooling the wear-resistant steel balls;
step three: quenching and tempering the wear-resistant steel balls.
2. The casting and quenching treatment process of the wear-resistant steel ball as claimed in claim 1, wherein the quenching treatment process comprises the following steps: the casting of the wear-resistant steel ball in the first step comprises the following steps:
a1: and feeding the scrap steel into a steelmaking furnace for refining to obtain molten steel.
A2: and injecting molten steel into the die assembly through a pouring gate of the steel ball die, cooling, demoulding and separating the steel ball.
3. The casting and quenching treatment process of the wear-resistant steel ball as claimed in claim 1, wherein the quenching treatment process comprises the following steps: the cooling of the wear-resistant steel balls in the second step comprises the following steps:
b1: conveying the steel balls subjected to pouring forming to a cooling system through a lifting device for cooling;
b2: and conveying the cooled steel balls into a secondary heating system for reheating.
4. The casting and quenching treatment process of the wear-resistant steel ball as claimed in claim 1, wherein the quenching treatment process comprises the following steps: the quenching and tempering of the wear-resistant steel balls in the third step comprises the following steps:
c1: placing the reheated steel balls on the surface of a side position support (12) in the quenching feeding assembly (1), automatically rolling the steel balls to a bearing area formed by a first slide rail (3) and a second slide rail (4) along the inner wall of a steel ball feeding groove (13) under the action of self weight, simultaneously starting a rotating motor (9) to drive two groups of single-tooth rods in a separating disc (2) to form limiting butt joint on the single steel balls, and pushing the single-tooth rods to enable the steel balls to be in a rolling state;
c2: the internal fan (19) of the external power supply start-up cooling detection assembly (11) cools the steel ball in a rolling state, and the infrared temperature measurement hole (18) monitors the temperature of the steel ball in real time:
c3: the steel balls with qualified temperature detected in the infrared temperature measuring holes (18) are pushed to the position of the auxiliary movable rail (14) by the single-tooth rod, the lifting hydraulic rod (16) is started to pull the auxiliary movable rail (14) to move downwards, so that the qualified steel balls roll along the inner wall of the guide sub-rail (10), the auxiliary movable rail (14) is reset, finally the steel balls enter the quenching tank (5) through the steel ball guide hole (17) for quenching, and the unqualified steel balls are guided to a region to be treated through another group of guide sub-rails (10) for additional treatment;
c4: and after quenching is finished, conveying the steel balls to a tempering system for treatment, and finishing production.
5. A wear-resistant steel ball casting quenching treatment device according to claim 4, comprising a quenching and throwing assembly (1), characterized in that: the inside of subassembly (1) is put in quenching is provided with cooling determine module (11), the below of cooling determine module (11) is provided with separating disc (2), the below of separating disc (2) is provided with first slide rail (3), the below of first slide rail (3) is provided with second slide rail (4), the bottom surface of separating disc (2) with the upper surface swing joint of first slide rail (3), the bottom surface center swing joint of separating disc (2) has center pin (8), the inner wall fixedly connected with rotating electrical machines (9) of center pin (8), the bottom surface fixedly connected with list ratch of first slide rail (3).
6. The casting and quenching treatment device for the wear-resistant steel ball as claimed in claim 5, wherein: one end of the second sliding rail (4) is fixedly connected with a limiting block (15), the bottom surface of the limiting block (15) is movably connected with an auxiliary movable rail (14), the bottom surface of the auxiliary movable rail (14) is movably connected with a lifting hydraulic rod (16), the bottom end of the lifting hydraulic rod (16) is movably connected with a rail splitting slideway (7), the inner wall of the rail splitting slideway (7) is fixedly connected with a guide rail splitting (10), and the bottom surface of the inner wall of the guide rail splitting (10) is provided with a steel ball guide hole (17).
7. The casting and quenching treatment device for the wear-resistant steel ball as claimed in claim 5, wherein: the inner wall of the cooling detection assembly (11) is fixedly connected with a built-in fan (19), the upper surface of the cooling detection assembly (11) is fixedly connected with a breathable grid (20), and the bottom surface of the cooling detection assembly (11) is fixedly connected with an infrared temperature measuring hole (18).
8. The casting and quenching treatment device for the wear-resistant steel ball as claimed in claim 6, wherein: divide rail slide (7) bottom surface fixedly connected with bracing piece (6), the bottom fixedly connected with quenching bath (5) of bracing piece (6), one side of dividing rail slide (7) is provided with side position support (12), steel ball send into groove (13) has been seted up to the upper surface of side position support (12).
CN202111597137.6A 2021-12-24 2021-12-24 Casting quenching treatment process for wear-resistant steel balls Pending CN114262771A (en)

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Application Number Priority Date Filing Date Title
CN202111597137.6A CN114262771A (en) 2021-12-24 2021-12-24 Casting quenching treatment process for wear-resistant steel balls

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Application Number Priority Date Filing Date Title
CN202111597137.6A CN114262771A (en) 2021-12-24 2021-12-24 Casting quenching treatment process for wear-resistant steel balls

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Publication Number Publication Date
CN114262771A true CN114262771A (en) 2022-04-01

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CN202111597137.6A Pending CN114262771A (en) 2021-12-24 2021-12-24 Casting quenching treatment process for wear-resistant steel balls

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115161446A (en) * 2022-07-05 2022-10-11 德清集通实业有限公司 Waste heat utilization automatic control quenching equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115161446A (en) * 2022-07-05 2022-10-11 德清集通实业有限公司 Waste heat utilization automatic control quenching equipment
CN115161446B (en) * 2022-07-05 2024-01-19 德清集通实业有限公司 Automatic control quenching equipment for waste heat utilization

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