CN113351947B - Novel cutter of small pipe diameter screw thread processing chip removal - Google Patents
Novel cutter of small pipe diameter screw thread processing chip removal Download PDFInfo
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- CN113351947B CN113351947B CN202110735214.3A CN202110735214A CN113351947B CN 113351947 B CN113351947 B CN 113351947B CN 202110735214 A CN202110735214 A CN 202110735214A CN 113351947 B CN113351947 B CN 113351947B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/005—Thread-cutting tools; Die-heads with lubrication or cooling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G2200/00—Details of threading tools
- B23G2200/06—Connections between parts of threading tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G2200/00—Details of threading tools
- B23G2200/10—Threading tools comprising cutting inserts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention discloses a novel cutter for machining and removing chips of small-caliber threads, which relates to the technical field of machining cutters and adopts the technical scheme that: the metal particle cutting and cooling device comprises an installation part, a cutting part and a cooling part, wherein the cutting part and the cooling part are respectively installed on the installation part, and the installation part is also provided with a winding part for the linear metal particles generated in the machining to be concentrated and wound and a chip removal part for the particle metal particles to be discharged. The method has the effects of solving the problem of difficult chip removal in the process of machining the small-caliber thread, avoiding the conditions of tool tipping, accelerated tool abrasion and reduced product finish.
Description
Technical Field
The invention relates to the technical field of machining tools, in particular to a novel tool for removing chips during machining of small-pipe-diameter threads.
Background
Definition of small tube diameter: the pipe diameter of a workpiece needing thread machining is 3.5 inches and the pipe diameter below the pipe diameter is small.
In the small-pipe-diameter precise thread forming processing, as the pipe diameter is small, the iron chips can be spirally curled in the production process and are not easy to break, the iron chips can be curled and wound in the pipe to form a group, and the iron chips are accumulated in the pipe after the thread processing is finished, so that the situation of difficult chip removal in the processing process can occur. Therefore, the situation that the cutter is easy to break, the cutter is fast worn and the product smoothness is reduced is caused. And the iron filings in the pipe are accumulated, and the iron filings are pulled out of the threaded pipe manually by using a tool after the thread processing is finished, so that the formed thread is easily scratched in the process, and the thread quality is influenced. The thread damage is the main cause of leakage of the pipe fitting, and influences the use of the pipe fitting, the safety of personnel and the like.
Disclosure of Invention
The invention aims to provide a novel tool for machining small-caliber threads to remove chips, which solves the problem of difficulty in chip removal in the machining process of the small-caliber threads, thereby avoiding the conditions of tool tipping, accelerated tool abrasion and reduced product finish, improving the thread quality and ensuring the safety of thread use.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a novel cutter of small pipe diameter thread processing chip removal, includes installation department, cutting portion and cooling portion, and cutting portion and cooling portion install respectively on the installation department, still are equipped with the linear metal fillings that can supply to produce during processing and concentrate winding portion of winding and the chip removal portion that can supply the grain shape metal particle to discharge on the installation department.
The principle of the scheme is as follows: 1. and the cooling liquid with certain pressure and flow velocity is directly sprayed to the cutting area of the cutter for action through a backward spraying channel at the boss and a parallel forward spraying channel at the lower part of the chip clamping groove. Under the action of the cooling liquid in two directions, the temperature of the part, in contact with the cooling liquid, of the front end of the scrap iron which is just machined and formed is slightly lower than the temperature of the part, in contact with the cooling liquid, of the rear end of the scrap iron, which is not yet in large-area contact, and the temperature difference is favorable for assisting the scrap iron to regularly roll. And the backward injection of the cooling liquid can generate backward auxiliary acting force on the scrap iron, so that the scrap iron is prevented from discharging chips in the pipe to a certain extent, and a small amount of scrap iron is directly discharged out of the pipe backward under the combined action of the auxiliary acting force and the axial chip guide groove of the cutter.
2. The rest most of the iron filings can be automatically wound in the tube into a disordered shape. Because the pipe diameter is small, the scrap iron can be spirally curled in the production process and the scrap iron is not easy to break, and the part of the scrap iron can be wound in the scrap clamping groove after being generated. The shape of the scrap clamping groove is similar to that of an iron hook, and after the thread is machined, scrap iron is pulled out of the pipe by the scrap clamping groove in the process that the cutter retreats.
The scheme has the advantages that: 1. the structure is simple and reliable, and the effect of the product is best when the machine tool with the cooling liquid is used. 2. The supported installation environment diversity. The invention is only the tool head area, and the tool shank can be changed according to the interface of the processing equipment so as to be suitable for different processing equipment. 3. This product is when solving the chip removal difficulty, and the condition that the cutter cutting edge causes tipping in piling up intraductal because of iron fillings reduces, has promoted cutter life.
Further, the installation part comprises a cutter handle, the cutting part comprises a blade, and the cooling part comprises a cooling channel. The end part of the cutter handle can be changed according to the interface of the processing equipment so as to be suitable for different processing equipment, the blade fastener is convenient for installing and fastening the blade on the cutter, and the cooling liquid channel can be connected with the cooling liquid so as to improve the using effect of the cutter.
Further, the winding portion includes a chip-catching groove and a boss, and both are disposed near the blade. Discharged iron filings can be blocked by chip clamping grooves and bosses in the thread machining process, and the iron filings are prevented from being accumulated in the pipe diameter.
Further, the chip removal part comprises a first cooling through hole, a second cooling through hole and a chip groove which are arranged close to the blade; the first cooling through hole and the second cooling through hole are communicated with a cooling channel, and the cooling channel is arranged along the axial direction of the tool shank. The fine crushing iron fillings that the cutter course of working produced need certain accommodation space, and the coolant liquid that first cooling through-hole and second cooling through-hole let in has certain impact force when spouting, and at this moment, the iron fillings that hold in the chip pocket can be washed out the outside of the pipe by the coolant liquid, reduce iron fillings and pile up in the pipe.
Further, the scrap clamping groove comprises a first platform and a first inclined surface which are sequentially connected, the included angle between the first inclined surface and the center line of the cutter body is 20-90 degrees, and the length of the first platform is 15-50 mm; the first platform is provided with a first cooling through hole close to the side wall of the blade. The scrap clamping groove is formed by a space formed by the scrap blocking platform, the first platform and the first inclined plane together, the appearance of the scrap clamping groove is similar to that of a hook, the scrap blocking effect is more obvious, and scrap iron wound on a cutter is conveniently pulled out when the cutter is withdrawn; because the rigidity of the cutter is affected by the overlong length of the chip clamping groove, when a workpiece is overlong, the chip containing space of the chip clamping groove can be enlarged through the first inclined surface.
Furthermore, the winding part also comprises a chip blocking platform, the distance between the boss and the chip clamping groove is 0-12 mm, the upper surface of the chip blocking platform is lower than the outer peripheral surface of the head part of the cutter in the horizontal direction, the chip blocking platform and the chip clamping groove are of an integrated structure, and the arc of the joint of the chip blocking platform and the chip clamping groove is excessive; one side of the chip blocking platform, which is close to the first platform, is a chip clamping surface, and an included angle between the chip clamping surface and the first platform is 30-90 degrees. The chip blocking platform and the first platform jointly form a hook-shaped structure, and the angle of the hook can be adjusted according to specific needs, so that the chip accommodating area of the chip clamping groove is adjusted, and the chip blocking platform meets the requirements of different workpieces to be machined.
Furthermore, a second cooling through hole is formed in the side wall, close to the blade, of the boss, and the radius of the first cooling through hole and the radius of the second cooling through hole are 1.5 mm-8 mm. The big cooling effect that cooling through hole is better, and cooling through hole can guarantee the cooling effect of minimum for 1.5mm, can adjust the through-hole radius by oneself according to specific demand.
Furthermore, the chip groove comprises a second platform and a second inclined surface which are connected in sequence, and the other end of the second platform is connected with the boss. The second platform provides accommodation space for tiny iron chips generated in the thread machining process, few iron chips which are not wound in the thread machining process can be discharged out of the pipe through the second inclined surface, and the lug boss can form a chip blocking surface of a chip groove.
Further, the distance between the first platform and the second platform is 3 mm-12 mm. Too low a distance between the first platform and the second platform can influence the processing of coolant liquid export, and too high can influence the card bits groove area.
Furthermore, the included angle between the second inclined plane and the central axis of the cutter body is 10-85 degrees. The second inclined plane leads to the iron fillings that do not have winding at least, needs to form the direction passageway, and at this moment, sets for to have certain contained angle between second inclined plane and the cutter body center pin, just can realize leading the bits effect.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a right side view of embodiment 1 of the present invention;
fig. 3 is a plan view of embodiment 1 of the present invention.
In the figure: 1. an installation part; 2. a knife handle; 3. a cutter head; 4. a boss; 5. a scrap blocking table; 6. a first inclined plane; 7. a second inclined plane; 8. a first platform; 9. a second platform; 10. a first cooling through hole; 11. a second cooling through hole; 12. a blade; 13. a blade fastener; 14. cooling liquid channel
Detailed Description
The present invention is described in further detail below with reference to figures 1-3.
Example one
The utility model provides a novel cutter of small pipe diameter thread processing chip removal, as shown in figure 1, figure 2, figure 3 shows, including the installation department, cutting part and cooling part are installed respectively on the installation department, the installation department includes the handle of a knife, the shape and the structure of handle of a knife can change according to the processing equipment interface, in order to be applicable to different processing equipment, cutting part includes the blade, blade mounting groove and blade fastener, the blade passes through the blade fastener and installs in the blade mounting groove, the blade mounting groove can be according to blade structure and do corresponding adjustment, cooling part includes cooling channel, cooling channel sets up along the handle of a knife axial, still process on the installation department and to supply to concentrate winding portion that twine and can supply the discharged chip removal portion of granule shape metal particle with the linear metal bits that produce during processing. The structure of the embodiment is integrally formed.
Winding portion includes the card bits groove, keeps off bits platform and boss, and the three is close to the blade setting, and exhaust iron fillings can be blockked by card bits groove, fender bits platform and boss formation in the screw thread course of working, and iron fillings can be in the winding of card bits inslot, prevent that iron fillings from piling up in the pipe diameter. The chip clamping groove comprises a first platform and a first inclined surface which are sequentially connected, the included angle between the first inclined surface and the central line of the cutter body is 40 degrees, the larger the included angle is, the smaller the chip containing volume of the chip clamping groove is, the smaller the included angle is, and the chip containing volume of the chip clamping groove is increased therewith; the side wall of the first platform, which is close to the blade, is provided with a first cooling through hole, the chip clamping groove is formed by a space formed by the chip blocking platform, the first platform and the first inclined surface, the appearance of the chip clamping groove is similar to that of a hook, the chip blocking effect is more obvious, and the scrap iron wound on the cutter is conveniently pulled out when the cutter is withdrawn; because the rigidity of the cutter is affected by the overlong length of the chip clamping groove, when a workpiece is overlong, the chip containing space of the chip clamping groove can be enlarged through the first inclined surface. The distance between the boss and the chip clamping groove is 1mm, the upper surface of the chip blocking platform is lower than the outer peripheral surface of the head of the cutter in the horizontal direction, the chip blocking platform and the chip clamping groove are in an integrated structure, and the arc of the joint of the chip blocking platform and the chip clamping groove is excessive; one side of the chip blocking platform close to the first platform is a chip blocking surface, an included angle between the chip blocking surface and the first platform is 60 degrees, the chip blocking platform and the first platform form a hook-shaped structure together, the angle of the hook can be adjusted according to specific needs, and then the chip containing area of the chip blocking groove is adjusted to meet the requirements of different workpieces to be processed. The boss is close to the lateral wall processing of blade and has the second cooling through-hole, and first cooling through-hole is 4mm with the radius of second cooling through-hole, and the big cooling effect of cooling through-hole is better, and the cooling through-hole can realize optimal cooling effect for 4mm, can adjust the through-hole radius by oneself according to concrete demand. The shape of the boss can be ellipse, triangle, square and the like, and the same effect can be achieved as long as a space for processing the water outlet hole and forming the chip blocking surface can be provided on the premise of not influencing the thread processing, so that the boss does not need to be processed too thickly, the material waste is avoided, and the cost is increased.
The chip removal part comprises a first cooling through hole, a second cooling through hole and a chip groove which are arranged close to the blade; first cooling through-hole and second cooling through-hole all communicate cooling channel, and first cooling through-hole is three, and three first cooling through-hole sets up side by side, and the second cooling through-hole is one and has certain inclination between second cooling through-hole and the cooling channel, just the cutting portion from second cooling through-hole spun coolant liquid and from first cooling through-hole spun coolant liquid crosses, reaches best cooling effect. The fine crushing iron fillings that the cutter course of working produced need certain accommodation space, and the coolant liquid that first cooling through-hole and second cooling through-hole let in has certain impact force during the blowout, and at this moment, the iron fillings that hold at the chip pocket can be followed the trend and are gone out the work piece by the coolant liquid outside, reduce the piling up of iron fillings in the work piece. The chip groove comprises a second platform and a second inclined plane which are sequentially connected, the other end of the second platform is connected with a boss, and the boss is perpendicular to the first platform and the second platform. The second platform provides accommodation space for tiny iron chips generated in the thread machining process, few iron chips which are not wound in the thread machining process can be discharged out of the pipe through the second inclined surface, and the lug boss can form a chip blocking surface of a chip groove. The distance between the first platform and the second platform is 7.5mm, the distance between the first platform and the second platform is too low, the processing of the cooling liquid outlet is influenced, and the chip accommodating area of the chip clamping groove is reduced due to too high distance. The included angle between the second inclined plane and the center line of the cutter body is 30 degrees, the second inclined plane guides few iron chips which are not wound, a guide channel needs to be formed, at the moment, a certain included angle is set between the second inclined plane and the center shaft of the cutter body, the included angle is too large and can act in a reverse direction, the second inclined plane can form a face with a chip blocking effect, and the included angle is too small, so that the rigidity of the cutter can be increased, the length of a chip guide groove is prolonged, and the chip guide is also not beneficial to chip guide.
Example two
The difference from the first embodiment is that: the length of the first platform is 32mm, the chip hooking effect can be influenced when the first platform is too small, the rigidity of the cutter is influenced when the first platform is too large, the rigidity of the cutter can be guaranteed, the chip hooking effect of a chip clamping groove can be best, and balance is achieved.
EXAMPLE III
The difference from example 1 is that: the interval of boss and card bits groove is 0mm, and the boss is exactly to keep off the bits platform, and one side that the boss is close to first platform is the card bits face, and the contained angle between card bits face and the first platform is 90, and the boss forms a right angle groove structure with the card bits groove jointly, can realize colluding the function of bits equally.
Example four
The difference from example 1 is that: the included angle between the clamping surfaces and the first platform is 30 degrees. And setting 30 degrees as the minimum value of the included angle between the chip clamping surface and the first platform, wherein if the included angle between the chip clamping surface and the first platform is less than 30 degrees, the chip clamping function effect of the chip clamping groove is poor.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the present invention.
Claims (5)
1. The utility model provides a novel cutter of tubule footpath thread machining chip removal, includes installation department, cutting portion and cooling portion, and cutting portion and cooling portion install respectively on the installation department characterized by: the mounting part is also provided with a winding part for the concentrated winding of linear metal chips generated in processing and a chip removal part for the discharge of granular metal particles;
the mounting part comprises a cutter handle, the cutting part comprises a blade, and the cooling part comprises a cooling channel;
the winding part comprises a chip clamping groove and a boss which are arranged close to the blade;
the chip removal part comprises a first cooling through hole, a second cooling through hole and a chip groove which are arranged close to the blade; the first cooling through hole and the second cooling through hole are both communicated with a cooling channel, and the cooling channel is arranged along the axial direction of the tool shank;
the chip clamping groove comprises a first platform and a first inclined surface which are sequentially connected, the included angle between the first inclined surface and the center line of the cutter body is 20-90 degrees, and the length of the first platform is 15-50 mm; a first cooling through hole is formed in the side wall, close to the blade, of the first platform;
the winding part also comprises a chip blocking platform, the distance between the boss and the chip clamping groove is 0-12 mm, the upper surface of the chip blocking platform is lower than the outer peripheral surface of the head part of the cutter in the horizontal direction, the chip blocking platform and the chip clamping groove are integrated, and the arc of the connection part of the chip blocking platform and the chip clamping groove is excessive; one side of the chip blocking platform, which is close to the first platform, is a chip clamping surface, and the included angle between the chip clamping surface and the first platform is 30-90 degrees;
and a second cooling through hole is formed in the side wall, close to the blade, of the boss.
2. The novel tool for removing chips in small-diameter thread machining according to claim 1 is characterized in that: the radius of the first cooling through hole and the radius of the second cooling through hole are 1.5 mm-8 mm.
3. The novel tool for removing chips in small-diameter thread machining according to claim 1 is characterized in that: the chip groove comprises a second platform and a second inclined plane which are sequentially connected, and the other end of the second platform is connected with the boss.
4. The novel tool for removing chips during the machining of small-diameter threads as claimed in claim 3, wherein: the distance between the first platform and the second platform is 3 mm-12 mm.
5. The novel small-caliber thread machining chip removal tool as claimed in claim 3, is characterized in that: the included angle between the second inclined plane and the central line of the cutter body is 10-85 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110735214.3A CN113351947B (en) | 2021-06-30 | 2021-06-30 | Novel cutter of small pipe diameter screw thread processing chip removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110735214.3A CN113351947B (en) | 2021-06-30 | 2021-06-30 | Novel cutter of small pipe diameter screw thread processing chip removal |
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| Publication Number | Publication Date |
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| CN113351947A CN113351947A (en) | 2021-09-07 |
| CN113351947B true CN113351947B (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110735214.3A Active CN113351947B (en) | 2021-06-30 | 2021-06-30 | Novel cutter of small pipe diameter screw thread processing chip removal |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767228A (en) * | 2010-03-23 | 2010-07-07 | 上海交通大学 | Polycrystalline diamond thread-forming tool |
| CN102300658A (en) * | 2009-02-09 | 2011-12-28 | 特固克有限会社 | Cutting Tool For Drilling And Turning |
| WO2014073610A1 (en) * | 2012-11-09 | 2014-05-15 | 株式会社ミヤギタノイ | Drill and bore formation method |
| CN207521724U (en) * | 2017-09-29 | 2018-06-22 | 河北华北柴油机有限责任公司 | A kind of Novel lathe tool |
| CN112453503A (en) * | 2020-10-30 | 2021-03-09 | 中北大学 | Hole machining spray-suction drilling system and drill bit thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009012996A1 (en) * | 2009-03-13 | 2010-09-16 | Heule, Ulf | Pressure medium controlled countersinking tool |
| JP5161324B2 (en) * | 2010-03-31 | 2013-03-13 | 日本特殊陶業株式会社 | Cutting tool for boring |
| CN102756186A (en) * | 2012-08-08 | 2012-10-31 | 天津市广达石油制管有限公司 | Thread machining tool with guiding device |
| CN102825345A (en) * | 2012-09-22 | 2012-12-19 | 宁波川景誉机械科技发展有限公司 | Combined straight shank thread milling cutter |
| CN204183007U (en) * | 2014-09-24 | 2015-03-04 | 常州建华昌盛工具有限公司 | A kind of adjustable milling cutter |
| CN204148593U (en) * | 2014-09-25 | 2015-02-11 | 无锡华光工业锅炉有限公司 | Pipe socket end topping machanism |
| CN206981900U (en) * | 2017-06-13 | 2018-02-09 | 郑州市钻石精密制造有限公司 | A kind of reverse chip removal reamer of side water outlet |
| CN213379322U (en) * | 2020-10-30 | 2021-06-08 | 威海威硬工具股份有限公司 | Reverse impact chip removal type cutter |
-
2021
- 2021-06-30 CN CN202110735214.3A patent/CN113351947B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102300658A (en) * | 2009-02-09 | 2011-12-28 | 特固克有限会社 | Cutting Tool For Drilling And Turning |
| CN101767228A (en) * | 2010-03-23 | 2010-07-07 | 上海交通大学 | Polycrystalline diamond thread-forming tool |
| WO2014073610A1 (en) * | 2012-11-09 | 2014-05-15 | 株式会社ミヤギタノイ | Drill and bore formation method |
| CN207521724U (en) * | 2017-09-29 | 2018-06-22 | 河北华北柴油机有限责任公司 | A kind of Novel lathe tool |
| CN112453503A (en) * | 2020-10-30 | 2021-03-09 | 中北大学 | Hole machining spray-suction drilling system and drill bit thereof |
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| CN113351947A (en) | 2021-09-07 |
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