CN212498601U - Energy-concerving and environment-protective type metal hand former - Google Patents
Energy-concerving and environment-protective type metal hand former Download PDFInfo
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- CN212498601U CN212498601U CN202020592752.2U CN202020592752U CN212498601U CN 212498601 U CN212498601 U CN 212498601U CN 202020592752 U CN202020592752 U CN 202020592752U CN 212498601 U CN212498601 U CN 212498601U
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 134
- 239000002184 metal Substances 0.000 title claims abstract description 134
- 239000000919 ceramic Substances 0.000 claims abstract description 24
- 238000007745 plasma electrolytic oxidation reaction Methods 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 20
- 230000003647 oxidation Effects 0.000 claims abstract description 11
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 11
- 238000011282 treatment Methods 0.000 claims abstract description 7
- 210000000707 wrist Anatomy 0.000 claims abstract description 4
- QCDFBFJGMNKBDO-UHFFFAOYSA-N Clioquinol Chemical compound C1=CN=C2C(O)=C(I)C=C(Cl)C2=C1 QCDFBFJGMNKBDO-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 22
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- 239000003792 electrolyte Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052749 magnesium Inorganic materials 0.000 description 7
- 239000011777 magnesium Substances 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
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- 238000005266 casting Methods 0.000 description 3
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- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
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Abstract
The application discloses energy-concerving and environment-protective type metal hand former relates to gloves preparation field. The metal hand former includes: the hand mold comprises a metal hand mold base body, an oxidation film layer with a ceramic structure and a base. The metal hand mold base body comprises two metal half molds which are connected through welding and are in bilateral symmetry, a base and an oxidation film layer with a ceramic structure. An oxide film layer with a ceramic tissue is formed on the outer surface of the metal hand mould base body through micro-arc oxidation treatment, and at least the finger tip position of the metal hand mould base body is covered to the position below the wrist of the metal hand mould base body. The production efficiency can be improved by about 50%, and the actual use energy-saving effect reaches about 50%, so that the production cost is reduced, and the productivity is improved. The application can be used for more than 5 years, and meanwhile, the strength is high and the product is not easy to damage. The application can avoid solid waste. Therefore, the ceramic hand mold can completely replace a ceramic hand mold, reduce the cost for application enterprises, save energy and reduce emission for China, and fill up the blank of domestic and foreign markets.
Description
Technical Field
The application relates to the field of glove processing, in particular to an energy-saving and environment-friendly metal hand mold.
Background
At present, in the glove industry, taking PVC gloves as an example, almost 100% of production enterprises use ceramic hand molds. The ceramic hand mold has the following problems:
firstly, the service life of the ceramic hand mould is about 12 months, and the ceramic hand mould needs to be replaced frequently, so that a large amount of solid waste is formed in the past, the solid waste cannot be discharged, the solid waste cannot be recycled, and the serious pollution to the social environment is caused. Secondly, because the heat conductivity of the ceramic is poor, the heating time is long, the cooling time is also long in the production process, high energy consumption is caused, and then the production cost is high. Meanwhile, because the heating time is long, the length of the oven of a glove manufacturing factory is fixed, and the production yield is limited. Thirdly, the ceramic material is fragile, and is very easy to damage in the transportation, installation and use processes.
Based on the above, there is a need for a substitute ceramic hand mold substitute which can prolong the service life, does not seriously pollute the environment, has good thermal conductivity and low energy consumption, reduces the production cost of glove manufacturers, and is not easy to damage.
Disclosure of Invention
It is an object of the present application to overcome the above problems or to at least partially solve or mitigate the above problems.
The application provides an energy-concerving and environment-protective type metal hand former includes:
the metal hand mold base body comprises two bilaterally symmetrical metal half molds which are connected through welding, wherein two side edges of the lower part of one metal half mold are provided with symmetrical concave positioning grooves, two side edges of the lower part of the other metal half mold are provided with symmetrical convex positioning sheets, the shapes and the positions of the concave positioning grooves are matched with those of the convex positioning sheets, so that the convex positioning sheets at the corresponding positions can be inserted into the corresponding concave positioning grooves when the two metal half molds are closed to fix the positions of the two metal half molds, and the inner wall of the bottom of each metal half mold is provided with a corresponding convex positioning arc block;
the oxidation film layer with ceramic tissue is formed on the outer surface of the metal hand mold base body through micro-arc oxidation treatment and at least covers from the fingertip position of the metal hand mold base body to the position below the wrist of the metal hand mold base body; and
the base wholly is the dome form, and the center has the through-hole, the lateral wall department of base has the arc constant head tank, the arc constant head tank with the shape phase-match of protruding type location arc piece is used for with the metal hand former base member is installed in base department, the base through the welding with the metal hand former base member links to each other.
Optionally, the metal hand mold base has a left metal mold half having the concave positioning groove and a right metal mold half having the convex positioning tab.
Optionally, the metal hand mold base has a left metal mold half having the male locating tab and a right metal mold half having the female locating slot.
Optionally, a flared opening is provided at a bottom position of each metal half mold, and a corresponding convex positioning arc block is provided at the corresponding flared opening.
Optionally, the through hole of the base is a kidney-shaped hole.
The application discloses energy-concerving and environment-protective type metal hand mould adopts the metal hand mould base member, because the thermal conductivity of metal is about 150 times of pottery, and the energy-conserving effect of in-service use reaches about 50%, consequently has reduced manufacturing cost and has makeed production output to improve. The metal hand die is made of a metal hand die base body, is welded by a laser welding machine or a cold welding machine, can be used for more than 5 years after micro-arc surface treatment, and is high in strength and not easy to damage. The surface oxidation film layer of the metal hand die can be repaired again after being abraded or damaged seriously, the recycling effect is achieved, solid waste is prevented, and the pollution to the environment is reduced. If the repair can not be carried out at any time, the metal can also be recycled.
Further, the oxide film layer that has ceramic structure of this application compares metal surface's plating layer, spraying coating, and technology environmental protection is pollution-free, and the oxide film layer after the simultaneous processing promotes greatly in the aspect of intensity, associativity than spraying coating, plating layer, has strengthened the performance of product.
The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic block diagram of an energy efficient and environmentally friendly metal hand mold according to one embodiment of the present application;
FIG. 2 is a schematic flow chart of a method for manufacturing an energy-saving and environment-friendly metal hand mold according to an embodiment of the application;
FIG. 3 is a cross-sectional view of an AZ91D MAO magnesium alloy micro-arc oxidized oxide film;
FIG. 4 is a surface view of an AZ91D MAO magnesium alloy micro-arc oxidized oxide film.
The symbols in the drawings represent the following meanings:
10 an energy-saving environment-friendly metal hand mould,
1 left metal half mould, 2 right metal half moulds, 3 concave positioning grooves, 4 convex positioning sheets, 5 convex positioning arc-shaped blocks, 6 bases, 7 through holes and 8 oxidation film layers.
Detailed Description
Fig. 1 is a schematic structural view of an energy-saving and environment-friendly metal hand mold according to an embodiment of the present application. As shown in fig. 1, the present embodiment provides an energy-saving and environment-friendly metal hand mold 10, which includes: a metal hand mould base body, an oxidation film layer 8 with a ceramic structure and a base 6. The metal hand die base body comprises two metal half dies which are connected through welding and are in bilateral symmetry, namely a left metal half die 1 and a right metal half die 2. Wherein, two lateral edges of the lower part of one metal half mould are provided with symmetrical concave positioning grooves 3, and two lateral edges of the lower part of the other metal half mould are provided with symmetrical convex positioning sheets 4. The concave positioning groove 3 is matched with the convex positioning sheet 4 in shape and position, so that the convex positioning sheet 4 at the corresponding position can be inserted into the corresponding concave positioning groove 3 when the two metal half moulds are closed, and the positions of the two metal half moulds are fixed. The inner wall of the bottom of each metal half mold is provided with a corresponding convex positioning arc block 5. An oxide film layer 8 with a ceramic tissue is formed on the outer surface of the metal hand model substrate through micro-arc oxidation treatment, and at least the finger tip position of the metal hand model substrate is covered to the position below the wrist of the metal hand model substrate. The base 6 is in a round cap shape as a whole, and a through hole 7 is formed in the center. The side wall of the base 6 is provided with an arc-shaped positioning groove. The arc-shaped positioning groove is matched with the convex positioning arc block 5 in shape and used for installing the metal hand die base body at the base 6, and the base 6 is connected with the metal hand die base body through welding.
The energy-saving environment-friendly metal hand die 10 adopts the metal hand die base body, and because the heat conductivity of metal is about 150 times that of ceramic, the production efficiency can be improved by about 50% due to the same heat energy, and the energy-saving effect in actual use can reach about 50%. The metal hand die is made of the metal hand die base body, and meanwhile, the metal hand die is welded by a laser welding machine or a cold welding machine, so that the production cost is reduced, the production yield is improved, after micro-arc surface treatment, the metal hand die can be used for more than 5 years, and meanwhile, the metal hand die is high in strength and not easy to damage. The surface oxidation film layer 8 of the metal hand mould can be repaired again after being abraded or damaged seriously, the recycling effect is achieved, solid waste is prevented from being generated, and the pollution to the environment is reduced. If the repair can not be carried out at any time, the metal can also be recycled. Therefore, the ceramic hand mold can completely replace a ceramic hand mold, reduce the cost for application enterprises, save energy and reduce emission for China, and fill up the blank of domestic and foreign markets.
Further, the oxidation film layer 8 that has ceramic tissue of this application compares metal surface's plating layer, spraying coating, and technology environmental protection is pollution-free, and oxidation film layer 8 after the simultaneous processing promotes greatly in the aspect of intensity, associativity than spraying coating, plating layer, has strengthened the performance of product.
The method can be not limited to the PVC glove industry, and can also be applied to the medical glove industries such as butyronitrile gloves, latex gloves and the like.
More specifically, in this embodiment, the metal hand mold base has a left metal mold half 1 and a right metal mold half 2. Wherein, the left metal half-die 1 is provided with the concave positioning groove 3, and the right metal half-die 2 is provided with the convex positioning sheet 4.
Of course, in other embodiments, referring to fig. 1, it is also possible that the left metal mold half 1 has the male positioning tabs 4 and the right metal mold half 2 has the female positioning slots 3.
More specifically, in this embodiment, a flared opening is provided at the bottom position of each metal half-mold, and a corresponding convex positioning arc block 5 is provided at the corresponding flared opening.
More specifically, in the present embodiment, the through hole 7 of the base 6 is a kidney-shaped hole.
FIG. 2 is a schematic flow chart of a method for manufacturing an energy-saving and environment-friendly metal hand mold according to an embodiment of the application. The embodiment also provides a method for manufacturing the metal hand mould, which comprises the following steps:
step 101, punching two metal half molds and a base 6 by using a hydraulic punching process;
the shapes of the two metal half dies and the base 6 are made of high-purity metal materials such as aluminum, magnesium or titanium by adopting a hydraulic stamping process, and the external dimensions of the shapes accord with the dimensions of the original ceramic hand die to be used as a matrix. In the embodiment, the hydraulic forming process is used for replacing the original casting and pressure casting processes, the material can be made of metals such as aluminum, magnesium or titanium with better purity, the process is simpler and more efficient, and the surface finish of the finished product after the manufacture is better.
The hydraulic press is a forming die processing method for obtaining a workpiece (stamping part) with a required shape and size by applying external force to plates, strips, pipes, profiles and the like by a hydraulic press, a punch press and a die to cause plastic deformation or separation. The process has the advantages that: the high-purity metal material is adopted for manufacturing, the size is stable, and the precision is high; fine and smooth interchange is good; the rigidity and the strength are higher, and materials are saved; easy control and high efficiency.
The hydraulic pressure stamping forming of the semi-manufactured goods of metal hand former divide into 3 parts:
the two metal half moulds are repeatedly drawn by using metal plates of aluminum, magnesium or titanium and the like with the width of 250-350 mm, the height of 600-650mm and the thickness of 1.2-2.5mm, and are drawn by using about 15-20 sets of drawing moulds; then, shaping by using 5-10 sets of shaping dies; and finally, trimming to obtain the left metal half die 1 and the right metal half die 2.
The base 6 is completed by cutting, blanking and punching metal plates of aluminum, magnesium or titanium with the width of 100mm-150mm and the thickness of 6mm-10 mmm.
Step 102, fixing the two metal half moulds, then fixing the two metal half moulds with the base 6, and automatically welding (or welding by a cold welding machine) the joints of the two metal half moulds and the base 6 by laser welding equipment;
the left metal half die 1 and the right metal half die 2 are positioned by the convex positioning sheet 4 and the concave positioning groove 3. The base 6 is positioned with the left metal half mould 1 and the right metal half mould 2 through the convex positioning arc blocks 5 and the arc positioning grooves on the base 6, the left and the right metal half moulds are fastened up and down after being integrally positioned, and then all welding works are automatically completed by laser welding equipment (or cold welding machine welding).
In specific implementation, the metal hand die base body can be completed by adopting the technical processes of die casting, 3D printing, machining and the like except the hydraulic stamping process used in the application, but the die casting and the casting have the defects that the purity of the used material is not high, and the produced product is inferior to the hydraulic stamping process in the aspects of overall strength and surface smoothness; the 3D and mechanical processing technology has the defects of low efficiency, high cost and unsuitability for batch production.
And 103, removing burrs through grinding and polishing processes after welding is finished, and obtaining a semi-finished product.
And 200, performing surface treatment on the semi-finished product obtained in the step 100 by adopting a micro-arc oxidation manufacturing process. The method specifically comprises the following steps:
step 201, micro-arc oxidation, wherein the semi-finished product is placed in an electrolytic bath for micro-arc oxidation process treatment. Micro-arc oxidation: the method is characterized in that a metal matrix is placed in an electrolytic bath to be used as an anode, stainless steel is used as a cathode, and a pulse direct current is applied to the cathode and the anode to enable the anode to generate plasma, electrochemical and other reactions and generate spark discharge so as to enable a workpiece to be autoxidized to form an oxide film with a ceramic phase structure.
Step 202, cleaning, namely cleaning the workpiece after micro-arc oxidation.
More specifically, the workpiece after micro-arc oxidation is cleaned, including two times of cleaning:
cleaning for the first time, spraying clear water, and cleaning the electrolyte on the surface of the workpiece by adopting high-pressure water;
and cleaning for the second time, namely soaking and cleaning by using clear water, and cleaning dead corners of the workpiece to remove residual electrolyte.
And 203, airing or drying, namely airing or drying the cleaned workpiece indoors in a natural environment to obtain a finished product.
Description of the manufacturing process of micro-arc oxidation: the micro-arc oxidation process does not consume cation solute elements in the electrolyte in principle, mainly consumes OH-in the electrolyte, and the electrolysis of water can continuously provide OH-. Evaporation and work piece carry-over are major factors in electrolyte consumption. Therefore, the electrolyte needs to be periodically replenished. The electrolyte can be used throughout the year and is filtered periodically.
Production capacity:
treating metal profiles such as aluminum, magnesium or titanium: the current density is 1.5-2A/dm 2; the primary treatment area is about 0.5m2Left and right.
FIG. 3 is a cross-sectional view of an AZ91D MAO magnesium alloy micro-arc oxidized oxide film. FIG. 4 is a surface view of an AZ91D MAO magnesium alloy micro-arc oxidized oxide film.
Surface coating properties after treatment:
1. and (4) in-situ growth. The growth process is carried out in a discharge micro-area, and the initial stage mainly carries out in-situ structural transformation and thickening growth on a low-temperature oxidation film formed in a natural state or a high-temperature oxidation scale formed in a forming process. It was found that about 70% of the oxide film layer was present on the surface of the metal substrate such as aluminum, magnesium or titanium. Therefore, the surface size of the object does not greatly vary.
2. Uniform growth characteristics. Due to the insulating property of metal oxides such as aluminum, magnesium, titanium and the like, under the condition of the same electrical parameters, the thin region is always punctured preferentially to grow and thicken, and finally, the whole sample is thickened uniformly.
3. The micro-arc oxidation film layer 8 has an obvious 2-layer structure layering, and as shown in fig. 3, the AZ91D MAO oxidation film layer has a surface loose layer and a middle dense layer.
4. The microstructure characteristics of the film layer can be conveniently adjusted by changing the process conditions and the electrolyte formula to obtain a new microstructure, thereby realizing the functional design of the film layer.
5. The micro-arc oxidation treatment process is simple, does not need vacuum or low-temperature conditions, and does not need pretreatment; no pollution, no environmental restriction element addition, no emission restriction and the like; it is not necessary to precisely control the temperature of the solution, and a ceramic layer having a good quality oxide film layer can be obtained in a solution having a temperature of 45 ℃.
6. The microporous nature of the surface can completely replace the ceramic hand model and can be used instead, and the microscopic magnified picture is shown in figure 4.
The method has the advantages of simple and efficient overall process, high bonding strength of the finished product and high surface smoothness.
In other embodiments, the surface treatment of the metal hand mold can be made by adopting electroplating and spraying modes, but the modes are all non-environment-friendly, and the strength and the bonding force of the surface coating of the product are greatly inferior to those of the micro-arc oxidation process in the embodiments.
Therefore, the micro-arc oxidation technology belongs to the most scientific and environment-friendly technical scheme on the metal hand mold product technology, and no other better alternative scheme can achieve the effect of the micro-arc oxidation technology at present.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (5)
1. An energy-saving and environment-friendly metal hand die is characterized by comprising:
the metal hand mold base body comprises two bilaterally symmetrical metal half molds which are connected through welding, wherein two side edges of the lower part of one metal half mold are provided with symmetrical concave positioning grooves, two side edges of the lower part of the other metal half mold are provided with symmetrical convex positioning sheets, the shapes and the positions of the concave positioning grooves are matched with those of the convex positioning sheets, so that the convex positioning sheets at the corresponding positions can be inserted into the corresponding concave positioning grooves when the two metal half molds are closed to fix the positions of the two metal half molds, and the inner wall of the bottom of each metal half mold is provided with a corresponding convex positioning arc block;
the oxidation film layer with ceramic tissue is formed on the outer surface of the metal hand mold base body through micro-arc oxidation treatment and at least covers from the fingertip position of the metal hand mold base body to the position below the wrist of the metal hand mold base body; and
the base wholly is the dome form, and the center has the through-hole, the lateral wall department of base has the arc constant head tank, the arc constant head tank with the shape phase-match of protruding type location arc piece is used for with the metal hand former base member is installed in base department, the base through the welding with the metal hand former base member links to each other.
2. The energy and environment friendly metal hand mold of claim 1, wherein the metal hand mold base has a left metal mold half and a right metal mold half, wherein the left metal mold half has the female positioning groove and the right metal mold half has the male positioning tab.
3. The energy and environment friendly metal hand mold of claim 1, wherein the metal hand mold base has a left metal mold half and a right metal mold half, wherein the left metal mold half has the male positioning tab and the right metal mold half has the female positioning slot.
4. The energy-saving and environment-friendly metal hand mold as claimed in claim 1, wherein a flared opening is provided at the bottom position of each metal half mold, and the corresponding convex positioning arc block is provided at the corresponding flared opening.
5. The energy-saving and environment-friendly metal hand mold according to any one of claims 1-4, wherein the through hole of the base is a kidney-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020592752.2U CN212498601U (en) | 2020-04-20 | 2020-04-20 | Energy-concerving and environment-protective type metal hand former |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020592752.2U CN212498601U (en) | 2020-04-20 | 2020-04-20 | Energy-concerving and environment-protective type metal hand former |
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| Publication Number | Publication Date |
|---|---|
| CN212498601U true CN212498601U (en) | 2021-02-09 |
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| CN202020592752.2U Expired - Fee Related CN212498601U (en) | 2020-04-20 | 2020-04-20 | Energy-concerving and environment-protective type metal hand former |
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