CN107553846A - A kind of efficiently plastics injection mould production method - Google Patents
A kind of efficiently plastics injection mould production method Download PDFInfo
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- CN107553846A CN107553846A CN201710939595.0A CN201710939595A CN107553846A CN 107553846 A CN107553846 A CN 107553846A CN 201710939595 A CN201710939595 A CN 201710939595A CN 107553846 A CN107553846 A CN 107553846A
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- plastics
- screw rod
- hopper
- rotary tool
- tool axis
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Abstract
The present invention provides a kind of efficiently plastics injection mould production method,Including injector body and moving platen and electric cabinet,The side of injector body is provided with core,The surrounding of core is provided with mouth mold,The side of mouth mold is provided with circular passage,Injector body is internally provided with screw rod,The side of screw rod is provided with motor,The surface of injector body is provided with machine barrel,The bottom for stating injector body is provided with electric heater,The top of injector body is provided with hopper,Hopper is internally provided with agitator tank,By setting agitator tank in the inside of hopper,Steel cutter with,Rotary tool axis and stepper motor,Make to be directly added into the plastics inside hopper and first pass through the inside that rough segmentation solution is then added to hopper afterwards,Electric heater is coordinated screw rod is more prone to that plastics stirring completely is abundant,Reduce the probability that screw rod gets stuck,It is easy to machine steadily lasting work.
Description
Technical field
The present invention relates to plastic mould equipment technical field, specially a kind of efficiently plastics injection mould production method.
Background technology
Injection mold is a kind of instrument for producing plasthetics；Also plasthetics complete structure and accurate dimension are to confer to
Instrument.Injection molding is to produce a kind of processing method used during some complex-shaped parts in batches.Refer specifically to heated thawing
Plastics by injection machine high pressure inject die cavity, after cooling and solidifying, obtain formed products.Injection mold divides into heat according to shaping characteristic
Two kinds of solidity plastic mould automobile die, thermoplastic plastic's mould；According to moulding process divide into pass mold, blow molding die, draw mould,
Thermoforming mould, hot-die (compression mould), injection mold etc., wherein hot-die can be divided into excessive formula, semi-positive compression, do not overflow again in a manner of flash
Three kinds of formula, injection mold can be divided into two kinds of cold flowing mould channel, hot runner mould with running gate system again；So that movement can be divided into by handling mode
It is formula, fixed two kinds.Although the structure of mould is due to plastics variety and performance, the shape of plastic products and structure and injector
Type etc. it is different and may be ever-changing, but basic structure is consistent.Mould mainly by running gate system, thermoregulating system,
Forming part and constitutional detail composition.Wherein running gate system and forming part be with the direct contact portion of plastics, and with plastics and
Product and change, be most complicated in mold, change is maximum, it is desirable to process finish and precision highest part.Common injection
Mould picture injection mold is made up of dynamic model and cover half two parts, and dynamic model is arranged on the moving die plate of injection (mo(u)lding) machine, cover half
On the fixed form of injection (mo(u)lding) machine.In injection moulding, dynamic model forms running gate system and die cavity with cover half closure, opens
Dynamic model and cover half are separated to take out plastic products during mould.In order to reduce heavy mold design and manufacturing effort, injection mould
Employ standard die set mostly.Running gate system refer to plastics from nozzle enter die cavity before runner section, including sprue, cold burden
Cave, runner and cast gate etc..In order to meet requirement of the injection technique to mold temperature, it is necessary to there is temperature of the thermoregulating system to mould
It is adjusted.For thermoplastic injection mould, mainly designing cooling system cools down mould.Conventional the doing of mould cooling
Method is that cooling-water duct is opened up in mould, and the heat of mould is taken away using the cooling water circulated；The heating of mould removes can
Outside using cooling-water duct hot water or steam, can also mould inside and around install electrical heating elements.Forming part refers to structure
Into the various parts of article shape, including dynamic model, cover half and die cavity, core, curved lever and exhaust outlet etc..Profiled part is by type
Core and cavity plate composition.Core forms the inner surface of product, and cavity plate forms the external surface shape of product.Core and die cavity be just after matched moulds
Constitute the die cavity of mould.By technique and requirement is manufactured, core and cavity plate are combined by some pieces sometimes, are made sometimes whole
Body, only use mold insert at fragile, unmanageable position.
Device in existing market largely to plastic stir is that plastics directly are added into hopper, then cutting by screw rod
Shearing stress acts on so that it becomes the problem of molten condition causes the complete thawing time length of plastics to cause the mould production cycle long.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of efficiently plastics injection mould production method, solve
State most of injection moulding apparatus in the existing market mentioned and plastics are directly added into hopper, then pass through the shear stress of screw rod
So that it becomes the problem of molten condition causes the complete thawing time length of plastics to cause the mould production cycle long.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：A kind of efficiently plastics injection mould life
Production method, including injector body and moving platen and electric cabinet, the side of the injector body are provided with core, the core
The surrounding of mould is provided with mouth mold, and the side of the mouth mold is provided with circular passage, and the injector body is internally provided with spiral shell
Bar, the side of the screw rod are provided with motor, and the surface of the injector body is provided with machine barrel, states the bottom of injector body
End is provided with electric heater, and the top of the injector body is provided with hopper, and the hopper is internally provided with agitator tank, institute
That states agitator tank is internally provided with steel cutter, and the steel cutter is internally provided with rotary tool axis, the rotary tool axis
Resistance wire is internally provided with, the side of the rotary tool axis is provided with rotating shaft slip ring, and the rotating shaft slip ring is internally provided with
One power supply brush, the surrounding of the rotating shaft slip ring are provided with the second power supply brush, and the bottom of the moving platen is provided with backing plate, the pad
The bottom of plate is provided with release link, and the bottom of the release link is provided with push rod, and the bottom of the push rod is provided with push pedal guide pillar,
The side of the push pedal guide pillar is provided with core, and the bottom of the core is provided with guide pillar, and the moving platen is internally provided with
Ejector pin retaining plate, the side of the push rod fix bar are provided with push pedal, and the side of the moving platen is provided with moving clamping plate, described
The opposite side of moving platen is provided with solid plate, and the side of the solid plate is provided with fixed clamping plate, the side of the fixed clamping plate
Centring ring is provided with, the bottom of the solid plate is provided with cooling water channel, and the machine barrel is internally provided with corresponding check ring,
Injection mold is made up of moving platen and solid plate two parts, and moving platen is arranged on the moving die plate of injector body, solid plate
On the fixed form of injector body, in injection moulding, moving platen forms running gate system and type with cover half plate closing
Chamber, the hopper form an entirety with the agitator tank by being welded, and the opposite side of the rotary tool axis sets promising rotating shaft
The stepper motor of kinetic energy is provided, the steel cutter connects as one with the rotary tool axis by smelting die casting, and described
Resistance wire is not distributed only over the inside of the rotary tool axis, but also is distributed in the inside of the steel cutter.
Preferably, the electric heater is fixedly connected with the machine barrel, and the electric heater is covered in the machine barrel
Surrounding, the surrounding of the electric heater is provided with thermal insulation board.
Preferably, the bottom of the hopper and the bottom of the agitator tank are maintained in a plane, and the stirring
Case is electrically connected with the electric cabinet.
Preferably, the resistance wire is connected by smelting with the steel cutter and the rotary tool axis, and described
Resistance wire curl.
Preferably, an electrode of the first power supply brush and the power supply is slidably connected, the second power supply brush and institute
Another electrode for stating power supply is slidably connected.
Preferably, the moving platen is flexibly connected with the solid plate, and the light of the moving platen and the solid plate
Slippery and precision are higher.
(3) beneficial effect
The invention provides a kind of efficiently plastics injection mould production method.Possesses following beneficial effect：
1st, the efficient plastics injection mould, by set in the inside of hopper agitator tank, steel cutter with, rotary tool axis with
And stepper motor, make to be directly added into the plastics inside hopper and first pass through the inside that rough segmentation solution is then added to hopper afterwards, coordinate electricity
Heater makes screw rod be more prone to that plastics stirring completely is abundant, reduces the probability that screw rod gets stuck, is easy to machine steadily to hold
Continuous work.
2nd, efficient plastics injection mould, by setting resistance wire, and handle in the inside of steel cutter and rotary tool axis
Temperature control makes plastics ensure that plastics adhesion can on the premise of steel tool surface when cutting within 100 degree
To be preheated, it is easy to stirring of the plastics in next step screw rod more fully and quick, reduces plastics and be changed into molten
The time of state, accelerate the operating efficiency of injector.
3rd, the efficient plastics injection mould, by setting spiral helicine resistance wire, can maximize, most rapidly by heat
The inside of steel cutter and rotary tool axis is delivered to, reduces the time of temperature needed for being heated to, so as to speed operating rate.
Solve die-cutting machine volume to be necessarily large and bulky, the problem of being not easy to carry and transport, while solve and die-cutting machine can not be carried out
Highly adjust, be not easy to worker processing operation and die-cutting machine maintenance the problem of；Different shape, various sizes of system can be processed
Row plastic, in plastics processing industry and plastic molding press is supporting, assigns plastic products with complete configuration and the instrument of accurate dimension；
The efficiency of production and processing is improved, the plastics of product manufacturing is improved, reduces production process, reduces being processed into for production
This, improves the contention of product.Work implement is reduced numerous and diverse, has reduced numerous and diverse degree of work, while also reduce production
Cost, improve operating efficiency；Reduce internal stress, add qualification rate, so as to speed production efficiency.
4th, the efficient plastics injection mould, by setting the first power supply brush and the second power supply to brush, the rotary tool axis of rotation are made
The endlessly electric energy that power supply passes over can be received as motor while rotation, and transmit stabilization, be
The continual and steady work of resistance wire provides stable electric energy.
5th, the efficient plastics injection mould, the electric heater of machine barrel surrounding is looped around and in electric heater by setting
Surrounding sets thermal insulation board, allows the roughened plastic of inside machine barrel make the plastics of inside machine barrel in screw rod using minimum electric energy
While effect be issued to required molten condition, and because the temperature height of mould inside differs, so needing machine barrel
Internal plastics temperature is somewhat higher, and the electric heater and thermal insulation board of circulating type efficiently improve temperature very much, so as to increase
Fast operating rate, improves operating efficiency.
Brief description of the drawings
Fig. 1 is the overall structure figure of injection machine of the present invention；
Fig. 2 is the overall structure figure of moving platen of the present invention and quiet template；
Fig. 3 is the overall structure figure of agitator tank of the present invention；
Fig. 4 is the overall structure figure of rotary tool axis of the present invention；
Fig. 5 is the concrete structure diagram of rotating shaft slip ring of the present invention；
Fig. 6 is the overall structure figure of electric cabinet of the present invention.
In figure：1 injector body, 2 cores, 3 hoppers, 4 machine barrels, 5 circular passages, 6 screw rods, 7 motor, 8 electric heaters,
9 mouth molds, 10 agitator tanks, 11 steel cutters, 12 rotary tool axis, 13 rotating shaft slip rings, 14 first power supply brushes, 15 second power supply brushes, 16
Moving platen, 17 solid plates, 18 cooling water channels, 19 fixed clamping plates, 20 centring rings, 21 cores, 22 guide pillars, 23 moving clamping plates, 24 push away
Plate, 25 ejector pin retaining plates, 26 push pedal guide pillars, 27 push rods, 28 release links, 29 backing plates, 30 electric cabinets, 31 resistance wires.
Embodiment
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 carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of efficiently plastics injection mould production method, as shown in figures 1 to 6, including injector sheet
Body (1) and moving platen (16) and electric cabinet (30), the side of injector body (1) are provided with core (2), and the four of core (2)
It is provided with mouth mold (9) week, the side of mouth mold (9) is provided with circular passage (5), and injector body (1) is internally provided with screw rod
(6), the side of screw rod (6) is provided with motor (7), and the surface of injector body (1) is provided with machine barrel (4), states injector sheet
The bottom of body (1) is provided with electric heater (8), and the top of injector body (1) is provided with hopper (3), and the inside of hopper (3) is set
Agitator tank (10) is equipped with, agitator tank (10) is internally provided with steel cutter (11), and steel cutter (11) is internally provided with knife
Has rotating shaft (12), rotary tool axis (12) are internally provided with resistance wire (31), and the side of rotary tool axis (12) is provided with rotating shaft cunning
Ring (13), rotating shaft slip ring (13) are internally provided with the first power supply brush (14), and the surrounding of rotating shaft slip ring (13) is provided with the second confession
Brush (15), the bottom of moving platen (16) are provided with backing plate (29), and the bottom of backing plate (29) is provided with release link (28), release link
(28) bottom is provided with push rod (27), and the bottom of push rod (27) is provided with push pedal guide pillar (26), the side of push pedal guide pillar (26)
Core (21) is provided with, the bottom of core (21) is provided with guide pillar (22), and moving platen (16) is internally provided with ejector pin retaining plate
(25), the side of push rod fix bar (25) is provided with push pedal (24), and the side of moving platen (16) is provided with moving clamping plate (23), moves
The opposite side of template (16) is provided with solid plate (17), and the side of solid plate (17) is provided with fixed clamping plate (19), fixed clamping plate
(19) side is provided with centring ring (20), and the bottom of solid plate (17) is provided with cooling water channel (18), and the inside of machine barrel (4) is set
Corresponding check ring is equipped with, injection mold is made up of moving platen (16) and solid plate (17) two parts, and moving platen (16) is arranged on
On the moving die plate of injector body (1), solid plate (17) is arranged on the fixed form of injector body (1), is being injected into
Moving platen (16) forms running gate system and die cavity with solid plate (17) closure during type, and hopper (3) passes through electric welding with agitator tank (10)
An entirety is formed, the opposite side of rotary tool axis (12) sets the stepper motor of promising rotating shaft offer kinetic energy, steel cutter (11)
Connected as one with rotary tool axis (12) by smelting die casting, and resistance wire (31) is not distributed only over the interior of rotary tool axis (12)
Portion, but also it is distributed in the inside of steel cutter (11).
Operation principle：In use, by the power on of electric cabinet (1), the stepper motor of rotary tool axis (12) side is powered
Steel cutter (11) is driven afterwards in the internal rotating of agitator tank (10), at the same time, steel cutter (11) and rotary tool axis (12)
Internal resistance wire (31) starts to generate heat, and the temperature of plastics is reached 100 degree, then by electric heater on the outside of machine barrel (4)
(8) and the effect of screw rod (6) rotation makes temperature reach 280 degree, by the rotation of screw rod (6) by melt conveying to machine
Material is constantly injected die cavity by the front end of cylinder (4), screw rod (6) forward., must control spiral shell when molten resin flows in mould
The translational speed of bar (6), and be controlled after resin is full of die cavity with pressure.When screw rod (6) position, injection pressure reaches one
Speed control can be switched to Stress control by us during definite value, after cooling and solidifying, obtain formed products.
6th, in summary, the efficient plastics injection mould, by the inside of hopper set agitator tank, steel cutter with,
Rotary tool axis and stepper motor, make to be directly added into the plastics inside hopper and first pass through and be then added to the interior of hopper after rough segmentation solution
Portion, coordinate electric heater screw rod is more prone to that plastics stirring completely is abundant, reduce the probability that screw rod gets stuck, be easy to machine
Device steadily lasting work.
Secondly, by setting resistance wire in the inside of steel cutter and rotary tool axis, and temperature control at 100 degree
Within, plastics is ensured that plastics adhesion can be preheated on the premise of steel tool surface when cutting, just
It is more fully and quick in stirring of the plastics in next step screw rod, reduce the time that plastics are changed into molten condition, accelerate
The operating efficiency of injector.
Again, by setting spiral helicine resistance wire, can maximize, most rapidly transfer heat to steel cutter and
The inside of rotary tool axis, reduce the time of temperature needed for being heated to, so as to speed operating rate.
Again, by setting the first power supply brush and the second power supply to brush, allow the rotary tool axis of rotation as motor
While rotation, the endlessly electric energy that power supply passes over is received, and transmits stabilization, is that resistance wire is continual and steady
Work provides stable electric energy.
Again, the electric heater of machine barrel surrounding is looped around by setting and thermal insulation board is set in the surrounding of electric heater,
Allow the roughened plastic of inside machine barrel to make the plastics of inside machine barrel act on while screw rod using minimum electric energy to assign
To required molten condition, and because the temperature height of mould inside differs, so needing the plastics temperature of inside machine barrel
Somewhat higher, the electric heater and thermal insulation board of circulating type efficiently improve temperature very much, so as to speed operating rate, carry
High operating efficiency.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
- A kind of 1. efficiently plastics injection mould production method, it is characterised in that：In use, by the power on of electric cabinet (1), knife Have rotating shaft (12) side stepper motor power supply after drive steel cutter (11) agitator tank (10) internal rotating, it is same with this When, the resistance wire (31) of steel cutter (11) and rotary tool axis (12) inside starts to generate heat, and the temperature of plastics is reached 100 degree, Then temperature is reached 280 degree by the effect of electric heater (8) on the outside of machine barrel (4) and screw rod (6) rotation, pass through Material is constantly injected die cavity by the front end of melt conveying to machine barrel (4), screw rod (6) by the rotation of screw rod (6) forward.Work as melting When resin flows in mould, the translational speed of screw rod (6) must be controlled, and be controlled after resin is full of die cavity with pressure. When screw rod (6) position, speed control can be switched to Stress control by us when injection pressure reaches certain value, through cooling and solidifying Afterwards, formed products are obtained.
- A kind of 2. efficiently plastics injection mould production method according to claim 1, it is characterised in that：S1 passes through in hopper Inside set agitator tank, steel cutter to make to be directly added into the plastics inside hopper with, rotary tool axis and stepper motor and first pass through Cross after rough segmentation solution and be then added to the inside of hopper, coordinate that electric heater makes that screw rod is more prone to plastics are stirred completely is filled Point, reduce the probability that screw rod gets stuck, be easy to machine steadily lasting work；S2 passes through in steel cutter and rotary tool axis Portion sets resistance wire, and temperature control within 100 degree, makes plastics ensure plastics adhesion in steel when cutting It can be preheated on the premise of tool surface processed, be easy to stirring of the plastics in next step screw rod more fully and quick, Reduce the time that plastics are changed into molten condition, accelerate the operating efficiency of injector；S3 by setting spiral helicine resistance wire, It can maximize, most rapidly transfer heat to the inside of steel cutter and rotary tool axis, reduce and be heated to required temperature Time, so as to speed operating rate；S4 makes the rotary tool axis of rotation can by setting the first power supply brush and the second power supply to brush While rotation, to receive the endlessly electric energy that power supply passes over as motor, and stabilization is transmitted, for electricity The continual and steady work of resistance silk provides stable electric energy；S5 is looped around the electric heater of machine barrel surrounding and in electricity by setting The surrounding of heater sets thermal insulation board, the roughened plastic of inside machine barrel is made the modeling of inside machine barrel using minimum electric energy Expect that effect is issued to required molten condition while screw rod, and because the temperature height of mould inside differs, so Need the plastics temperature of inside machine barrel somewhat higher, the electric heater and thermal insulation board of circulating type efficiently put forward temperature very much Height, so as to speed operating rate, improve operating efficiency.
- A kind of 3. efficiently plastics injection mould production method according to claim 1, it is characterised in that：Including injector sheet Body (1) and moving platen (16) and electric cabinet (30), it is characterised in that the side of the injector body (1) is provided with core (2), the surrounding of the core (2) is provided with mouth mold (9), and the side of the mouth mold (9) is provided with circular passage (5), the note That penetrates machine body (1) is internally provided with screw rod (6), and the side of the screw rod (6) is provided with motor (7), the injector sheet The surface of body (1) is provided with machine barrel (4), and the bottom for stating injector body (1) is provided with electric heater (8), the injector sheet The top of body (1) is provided with hopper (3), and the hopper (3) is internally provided with agitator tank (10), the agitator tank (10) it is interior Portion is provided with steel cutter (11), and the steel cutter (11) is internally provided with rotary tool axis (12), the rotary tool axis (12) be internally provided with resistance wire (31), the side of the rotary tool axis (12) is provided with rotating shaft slip ring (13), the rotating shaft Slip ring (13) is internally provided with the first power supply brush (14), and the surrounding of the rotating shaft slip ring (13) is provided with the second power supply brush (15), the bottom of the moving platen (16) is provided with backing plate (29), and the bottom of the backing plate (29) is provided with release link (28), institute The bottom for stating release link (28) is provided with push rod (27), and the bottom of the push rod (27) is provided with push pedal guide pillar (26), described to push away The side of plate guide pillar (26) is provided with core (21), and the bottom of the core (21) is provided with guide pillar (22), the moving platen (16) be internally provided with ejector pin retaining plate (25).
- A kind of 4. efficiently plastics injection mould production method according to claim 1, it is characterised in that：, the push rod consolidates The side of fixed pole (25) is provided with push pedal (24), and the side of the moving platen (16) is provided with moving clamping plate (23), the dynamic model The opposite side of plate (16) is provided with solid plate (17), and the side of the solid plate (17) is provided with fixed clamping plate (19), described fixed The side of baffle plate (19) is provided with centring ring (20), and the bottom of the solid plate (17) is provided with cooling water channel (18), described Machine barrel (4) is internally provided with corresponding check ring, and injection mold is made up of moving platen (16) and solid plate (17) two parts, moves Template (16) is arranged on the moving die plate of injector body (1), and solid plate (17) is arranged on the stent of injector body (1) On plate, in injection moulding, moving platen (16) forms running gate system and die cavity, the hopper (3) and institute with solid plate (17) closure State agitator tank (10) and form an entirety by being welded, the opposite side of the rotary tool axis (12) sets promising rotating shaft to provide kinetic energy Stepper motor, the steel cutter (11) connects as one with the rotary tool axis (12) by smelting die casting, and described Resistance wire (31) is not distributed only over the inside of the rotary tool axis (12), but also is distributed in the inside of the steel cutter (11) The electric heater (8) is fixedly connected with the machine barrel (4), and the electric heater (8) is covered in the four of the machine barrel (4) Week, the surrounding of the electric heater (8) are provided with the bottom of hopper described in thermal insulation board (3) and the bottom of the agitator tank (10) and protected Hold in a plane, and the agitator tank (10) is electrically connected with the electric cabinet (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939595.0A CN107553846A (en) | 2017-09-30 | 2017-09-30 | A kind of efficiently plastics injection mould production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939595.0A CN107553846A (en) | 2017-09-30 | 2017-09-30 | A kind of efficiently plastics injection mould production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107553846A true CN107553846A (en) | 2018-01-09 |
Family
ID=60984937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710939595.0A Withdrawn CN107553846A (en) | 2017-09-30 | 2017-09-30 | A kind of efficiently plastics injection mould production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107553846A (en) |
-
2017
- 2017-09-30 CN CN201710939595.0A patent/CN107553846A/en not_active Withdrawn
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Application publication date: 20180109 |