CN108296300A - Aluminum profile extrusion die and its extrusion process and manufacturing method - Google Patents
Aluminum profile extrusion die and its extrusion process and manufacturing method Download PDFInfo
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- CN108296300A CN108296300A CN201810084357.0A CN201810084357A CN108296300A CN 108296300 A CN108296300 A CN 108296300A CN 201810084357 A CN201810084357 A CN 201810084357A CN 108296300 A CN108296300 A CN 108296300A
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- die
- mosaic block
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- lower die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/04—Mandrels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
Abstract
The present invention relates to a kind of aluminum profile extrusion die and its extrusion process and manufacturing methods, aluminum profile extrusion die includes upper die and lower die, lower die includes lower die matrix and the first hard mosaic block, lower die matrix is equipped with mounting groove, multiple mounting holes are offered on first hard mosaic block, first hard mosaic block is fixed on by multiple first fasteners through mounting holes in mounting groove, first fastener is with mounting hole using interference fit, interference volume is 0.005~0.012mm, lower die is equipped with the die hole through lower die matrix and the first hard mosaic block, first hard mosaic block corresponds to the work band of the position formation lower die of die hole, multiple first fasteners are centrosymmetric distribution with the central axes of die hole.Aluminum profile extrusion die provided by the invention, wearability and useful life are significantly increased, while also substantially increasing the surface quality of product forms.The manufacturing method of aluminum profile extrusion die provided by the invention has many advantages, such as that process is simple, the manufacturing cycle is short and at low cost.
Description
Technical field
The present invention relates to mould applications, more particularly to a kind of aluminum profile extrusion die and its extrusion process and manufacturer
Method.
Background technology
Hollow aluminum section generally uses forward extrusion, and aluminium bar is consistent with the moving direction of extruder master cylinder, passes through shunt group
Hollow aluminium section bar is squeezed out after the shunting and soldering of molding.Diffluence combination die is divided into upper die and lower die, the wherein core print of upper mold
Generally manufactured using 4Cr5MoSiV1 hot-work die steel.Upper mold core print work band is contacted with red-hot aluminium bar, core print work band
Bear prodigious friction stree, core print work causes the thickness of hollow aluminum section and rice to increase again, thickness with easy to wear after abrasion
Increase causes size bad, and rice increases again to be caused to be increased with aluminium cost.And being thinned with aluminium section bar wall thickness, in extrusion process
Deformation extent increases, and extruding force increases, and aggravates so as to cause the abrasion of mold, as a result, the gap of mold easily increases, to
Again increase the wall thickness of proximate matter, cannot achieve the purpose for saving material.Simultaneously as the abrasion of mold makes under Surface of profile quality
Drop, squeezes line and extruding trace is serious.
Currently, aluminium profile market is higher and higher to the size tolerance requirements of extrudate, cost consciousness is more and more stronger.Cause
This, market need to be responded actively for proximate matter manufacturer, also need to reduce production aluminium section bar in the case where ensureing aluminium section bar quality
Cost.In the actual production process, it is principal element that such section bar mold is scrapped in advance that the abrasion of mold is overproof, although enterprise
Industry uses some die and mould strengthening measure such as nitrogen treatment, the surface microhardness of the band that works after nitridation 1000-1250HV it
Between, but still fail to obtain comparatively ideal effect, produces lightweight and the die cost of the proximate matter of high intensity is still very big.
Invention content
Based on this, it is necessary to a kind of aluminum profile extrusion die and its extrusion process and manufacturing method are provided, to solve to pass
The Die Bearing for Extrusion of Aluminum of system is easy to wear, product forms surface quality difference problem.
A kind of aluminum profile extrusion die, including upper die and lower die, the upper mold and the lower die complement each other to form forming cavity；
The lower die includes lower die matrix and the first hard mosaic block, and the lower die matrix is equipped with mounting groove, the first hard edge
Multiple mounting holes are offered on abaculus, the first hard mosaic block is fixed by multiple first fasteners across the mounting hole
In the mounting groove, for first fastener with the mounting hole using being interference fitted, interference volume is 0.005~0.012mm,
The lower die is equipped with the die hole through the lower die matrix and the first hard mosaic block, the first hard mosaic block pair
The position of the die hole is answered to form the work band of the lower die, during multiple first fasteners are in the central axes of the die hole
The heart is symmetrical.
The coefficient of thermal expansion of first fastener is more than the first hard mosaic block in one of the embodiments,
Coefficient of thermal expansion.
Gap is used between the outer rim of the first hard mosaic block and the lower die matrix in one of the embodiments,
Cooperation, gap value are 0.01~0.015mm.
In one of the embodiments, the upper mold be used for the lower die in conjunction with side on correspond to the position of the die hole
Install the core print for being equipped with protrusion, the core print includes neck successively along discharging direction and inlays section, the core print radially,
The neck inlays section described in protruding from, and described inlay is arranged with cricoid second hard mosaic block in section, second hard
Mosaic block is fixed by the second fastener, the core print radially, the outer rim of the second hard mosaic block protrudes from institute
Neck is stated, the outer rim of the second hard mosaic block forms the work band of the upper mold.
It the second hard mosaic block and described inlays between section using interference fit, mistake in one of the embodiments,
The amount of being full of is 0.005~0.012mm.
The core print further includes thread segment in one of the embodiments, is arranged in institute along thread segment described in discharging direction
It states after inlaying section, second fastener is nut.
In one of the embodiments, gasket is provided between the second hard mosaic block and second fastener.
A kind of extrusion process of aluminium section bar, which is characterized in that squeezed using the aluminium section bar described in any of the above-described embodiment
Pressing mold, the extrusion process include the following steps：
The upper mold and the lower die are assembled, the upper mold and the lower die is made to complement each other to form forming cavity,
Aluminium ingot is shunted by the upper mold, then the extrusion molding from the forming cavity.
A kind of manufacturing method of aluminum profile extrusion die, includes the following steps：
Upper die and lower die are made, the core print of protrusion is made on the side that the upper mold is used to be combined with the lower die,
The lower die opens up die hole on the position for corresponding to the core print；
Mounting groove is opened up around the die hole in the lower die, takes cricoid the first hard for offering multiple mounting holes
The first hard mosaic block is fixed on the mounting groove by mosaic block by multiple first fasteners across the mounting hole
In, using being interference fitted, interference volume is 0.005~0.012mm for first fastener and the mounting hole, multiple described first
Fastener is centrosymmetric distribution with the central axes of the die hole, and endoporus and the die hole of the first hard mosaic block connect
Logical, side wall of the first hard mosaic block on endoporus forms the work band of the lower die.
The manufacturing method of the aluminum profile extrusion die in one of the embodiments, it is further comprising the steps of：
Set gradually in discharging direction in the core print and neck and inlay section, the core print radially, the neck
Section is inlayed described in protruding from portion；
Cricoid second hard mosaic block, the endoporus of the second hard mosaic block is taken to be adapted with the section of inlaying, it will
Second hard mosaic block works the design shape of band according to upper mold and size is ground, will the second hard mosaic block it is outer
Edge is ground to reservation 0.1~0.3mm surpluses；
The second hard mosaic block slide fit is inlayed into section to described, the second fastener is used in combination to fix；
By the outer rim polishing grinding of the second hard mosaic block to design size, the work band of the upper mold is formed.
Compared with prior art, the invention has the advantages that：
Aluminum profile extrusion die provided by the invention, wearability and useful life are significantly increased, while also carrying significantly
The high surface quality of product forms, product surface is bright, squeezes line and to squeeze trace few.Aluminum profile extrusion die provided by the invention
Manufacturing method, have many advantages, such as that process is simple, the manufacturing cycle is short and at low cost.
Above-mentioned manufacturing method can carry out at normal temperatures, and the method for avoiding conventionally employed hot charging causes the certain journey of mold
The deformation of degree, the defect for influencing dimensional accuracy.
Description of the drawings
Fig. 1 is the sectional view of the lower die of a mode implemented；
Fig. 2 is the vertical view of lower die shown in FIG. 1；
Fig. 3 is the sectional view of the upper mold of an embodiment.
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.Keep the understanding to the disclosure more thorough on the contrary, purpose of providing these embodiments is
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the Listed Items of pass.
It please refers to Fig.1 to Fig.3, the aluminum profile extrusion die of an embodiment, including upper mold 100 and lower die 200, upper mold 100
Forming cavity is complemented each other to form with lower die 200.Lower die 200 includes lower die matrix 220 and the first hard mosaic block 230, lower die base
Body 220 is equipped with mounting groove, and multiple mounting holes are offered on the first hard mosaic block 230, and the first hard mosaic block 230 passes through more
A first fastener 240 is fixed on across mounting hole in mounting groove.First fastener 240 is with mounting hole using interference fit, mistake
The amount of being full of is 0.005~0.012mm.Lower die 200 is equipped with the die hole through lower die matrix 220 and the first hard mosaic block 230
210, the first hard mosaic block 230 corresponds to the work band of the position formation lower die 200 of die hole 210.Multiple first fasteners 240 with
The central axes of die hole 210 are centrosymmetric distribution.
Lower die 200 used by above-mentioned aluminum profile extrusion die is formed the work of lower die 200 by the first hard mosaic block 230
Make band, wearability and useful life are significantly increased, while also substantially increasing the surface quality of product forms.Multiple
One fastener 240 with the central axes of die hole 210 be centrosymmetric distribution setting, enable to because thermally expand generate stress difference be
Zero, therefore the first hard mosaic block 230 will not be made to generate displacement.Interference volume is 0.005 between first fastener 240 and mounting hole
~0.012mm, this interference volume enable the first fastener 240 to be installed at normal temperatures and generate certain pressing force.
In one specific embodiment, interference volume is 0.01mm between the first fastener 240 and mounting hole.
In an alternative embodiment, the coefficient of thermal expansion of the first fastener 240 is more than the first hard mosaic block 230
Coefficient of thermal expansion.It is such to be advantageous in that when mold works at high temperature, since the dilation dimension of the first fastener 240 is more than
The dilation dimension of mounting hole, to which the first fastener 240 and the first hard mosaic block 230 can be tightly embedded in together.It is optional
The material on ground, the first fastener 240 may be used but be not limited to 20# steel to harden or 45# steel modifier treatment through case-carbonizing.
The first fastener 240 is pin in one of the embodiments,.In a specific embodiment, the first hard
Mosaic block 230 is fixed on by the pin of three a diameter of 6mm in mounting groove, with the central axes of die hole 210 between three pins
Be centrosymmetric distribution.
In an alternative embodiment, gap is used between the outer rim and lower die matrix 220 of the first hard mosaic block 230
Cooperation, gap value are 0.01~0.015mm.On the one hand, it is convenient for the installation of the first hard mosaic block 230；On the other hand, under high temperature
When work, die swell, gap disappears, the first hard mosaic block 230 can inlay card on lower die matrix 220, increase the two
Between the tightness that combines.In a specific embodiment, between the outer rim and lower die matrix 220 of the first hard mosaic block 230
Gap value be 0.012mm.
In an alternative embodiment, the position of die hole 210 is corresponded on the side that upper mold 100 is used to combine with lower die 200
The core print 110 for being equipped with protrusion is installed, core print 110 includes neck 112 successively along discharging direction and inlays section 114, inlays in section 114
Be arranged with cricoid second hard mosaic block 120, core print 110 radially, neck 112, which protrudes from, inlays section 114, with to
Two hard mosaic blocks 120 are positioned, and the second hard mosaic block 120 is fixed by the second fastener 130, in the diameter of core print 110
Upwards, the outer rim of the second hard mosaic block 120 protrudes from neck 112, and the outer rim of the second hard mosaic block 120 forms upper mold 100
Work band.
In an alternative embodiment, it the second hard mosaic block 120 and inlays between section 114 using interference fit, mistake
The amount of being full of is 0.005~0.012mm, this interference volume enables the second hard mosaic block 120 to be installed and generated at normal temperatures
Certain pressing force.
In an alternative embodiment, core print 110 further includes thread segment 116, is existed along the setting of discharging direction thread segment 116
After inlaying section 114, correspondingly, the second fastener 130 is nut.In a specific embodiment, the second fastener 130 is
The nut of M12 models.Further, gasket 140 can also be set between the second hard mosaic block 120 and the second fastener 130.
In other embodiment, the second fastener 130 can also be screw, bolt etc., be offered on the second hard mosaic block 120 corresponding
Mounting hole.
The basis material of above-mentioned aluminum profile extrusion die can be selected but be not limited to H13 mould steel, the first hard mosaic block 230
Material with the second hard mosaic block 120 is preferably hard alloy, such as can be selected but is not limited to YG8 wolfram steel.
Further, present embodiment also provides a kind of extrusion process of aluminium section bar, uses any of the above-described embodiment
Aluminum profile extrusion die, include the following steps：
Upper mold 100 and lower die 200 are assembled, so that upper mold 100 and lower die 200 is complemented each other to form forming cavity, by aluminium
Ingot is shunted by upper mold 100, then the extrusion molding from forming cavity.
Further, present embodiment also provides a kind of manufacturing method of aluminum profile extrusion die, includes the following steps：
Upper die and lower die are made, the core print of protrusion is made on the side that upper mold is used to be combined with lower die, is used in lower die
Die hole is opened up on the position of corresponding core print；
Mounting groove is opened up around die hole in lower die, takes cricoid the first hard mosaic block for offering multiple mounting holes,
First hard mosaic block is fixed on by multiple first fasteners through mounting holes in mounting groove, the first fastener and mounting hole
Using interference fit, interference volume is 0.005~0.012mm, and multiple first fasteners are centrosymmetric point with the central axes of die hole
The endoporus of cloth, the first hard mosaic block is connected to die hole, and side wall of the first hard mosaic block on endoporus forms the work of lower die
Band.
In an alternative embodiment, the manufacturing method of aluminum profile extrusion die is further comprising the steps of：
Set gradually in discharging direction in core print and neck and inlay section, core print radially, neck, which protrudes from, to be inlayed
Section；
Cricoid second hard mosaic block is taken, the endoporus of the second hard mosaic block is adapted with section is inlayed, by the second hard
Mosaic block is ground according to the design shape and size of upper mold work band, and the outer rim of the second hard mosaic block is ground to reservation
0.1~0.3mm surpluses；
By the second hard mosaic block slide fit to section is inlayed, the second fastener is used in combination to fix；
By the outer rim polishing grinding of the second hard mosaic block to design size, the work band of upper mold is formed.
Specifically, after being designed to the shape and size of upper mold work band, by the second hard mosaic block according to corresponding
Design is ground, and the outer rim of the second hard mosaic block retains 0.1~0.3mm surpluses, i.e. the outer rim of the second hard mosaic block arrives
The distance in core print axle center 0.1~0.3mm more than design value.In a specific embodiment, upper mold work band is designed as circle,
Exradius is 30mm, is 30.2mm by the cylindricalo grinding of the second hard mosaic block to radius.In other embodiments, upper die worker
Can also be other shapes, such as polygon, ellipse or irregular shape as band.
In an alternative embodiment, the hole size of the second hard mosaic block is ground to be less than and inlays a section radial ruler
Very little 0.005~0.012mm, i.e. interference volume are 0.005~0.012mm.In a specific embodiment, inlay section is for radius
The cylindrical section of 20mm, the inner hole grinding of the second hard mosaic block are the circular hole that radius is 19.99mm.
Optionally, the second fastener can be but not limited to nut, screw or bolt etc..In a specific embodiment
In, section is threaded after inlaying section, when thread segment manufactures, radius first retains 0.2mm surpluses, and the second hard mosaic block is slided
It is assigned to and inlays section and then go out the external screw teeth of M12 in thread segment vehicle, mutually tightened using M12 nuts and fix the second hard mosaic block,
It is provided with gasket between second hard mosaic block and nut.It is in the present embodiment, after top nut being installed, nipple heads vehicle is small,
Such as vehicle is tapered by the way of gradual transition, i.e., clearance position becomes larger, and can prevent from bumping to nipple heads when section bar extrusion
And it scratches.
In an alternative embodiment, upper mold is mounted on four-jaw chuck, by the outer rim of the second hard mosaic block
Polishing grinding in place, i.e., by the outer rim polishing grinding of the second hard mosaic block to design size.
In an alternative embodiment, male half coupling is set in upper mold, setting and the recessed of male half coupling cooperation stop in lower die
Mouthful.In the present embodiment, the outer rim of male half coupling is first ground to reservation 0.4~0.6mm surpluses by manufacturing process, and the second hard is inlayed
After the completion of abaculus assembly, then the outer rim of male half coupling is ground to design size.
Above-mentioned manufacturing method can carry out at normal temperatures, and the method for avoiding conventionally employed hot charging causes the certain journey of mold
The deformation of degree, the defect for influencing dimensional accuracy.
Aluminum profile extrusion die provided by the invention, wearability and useful life are significantly increased, while also carrying significantly
The high surface quality of product forms, product surface is bright, squeezes line and to squeeze trace few.Aluminum profile extrusion die provided by the invention
Manufacturing method, have many advantages, such as that process is simple, the manufacturing cycle is short and at low cost.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of aluminum profile extrusion die, which is characterized in that including upper die and lower die, the upper mold and the lower die mutual cooperation shape
At forming cavity；The lower die includes lower die matrix and the first hard mosaic block, and the lower die matrix is equipped with mounting groove, and described the
Multiple mounting holes are offered on one hard mosaic block, the first hard mosaic block passes through the peace by multiple first fasteners
Dress hole is fixed in the mounting groove, first fastener and the mounting hole using being interference fitted, interference volume is 0.005~
0.012mm, the lower die are equipped with the die hole through the lower die matrix and the first hard mosaic block, first hard
The position that mosaic block corresponds to the die hole forms the work band of the lower die, and multiple first fasteners are in the die hole
Axis is centrosymmetric distribution.
2. aluminum profile extrusion die as described in claim 1, which is characterized in that the coefficient of thermal expansion of first fastener is more than
The coefficient of thermal expansion of the first hard mosaic block.
3. aluminum profile extrusion die as described in claim 1, which is characterized in that the outer rim of the first hard mosaic block with it is described
It is gap-matched between lower die matrix, gap value is 0.01~0.015mm.
4. such as claims 1 to 3 any one of them aluminum profile extrusion die, which is characterized in that the upper mold be used for it is described under
Mould in conjunction with side on correspond to the position of the die hole and be provided with the core print of protrusion, the core print includes neck successively along discharging direction
Portion and inlay section, the core print radially, the neck protrude from it is described inlay section, described inlay is arranged with ring-type in section
The second hard mosaic block, the second hard mosaic block fixed by the second fastener, the core print radially, it is described
The outer rim of second hard mosaic block protrudes from the neck, and the outer rim of the second hard mosaic block forms the work of the upper mold
Band.
5. aluminum profile extrusion die as claimed in claim 4, which is characterized in that the second hard mosaic block inlays section with described
Between using interference fit, interference volume be 0.005~0.012mm.
6. aluminum profile extrusion die as claimed in claim 4, which is characterized in that the core print further includes thread segment, along discharging side
To the thread segment setting it is described inlay section after, second fastener be nut.
7. aluminum profile extrusion die as claimed in claim 6, which is characterized in that the second hard mosaic block and described second is tightly
Gasket is provided between firmware.
8. a kind of extrusion process of aluminium section bar, which is characterized in that using such as claim 1~7 any one of them aluminium profiles
Material extrusion die, the extrusion process include the following steps：
The upper mold and the lower die are assembled, so that the upper mold and the lower die is complemented each other to form forming cavity, by aluminium
Ingot is shunted by the upper mold, then the extrusion molding from the forming cavity.
9. a kind of manufacturing method of aluminum profile extrusion die, which is characterized in that include the following steps：
Upper die and lower die are made, the core print of protrusion are made on the side that the upper mold is used to be combined with the lower die, described
Lower die opens up die hole on the position for corresponding to the core print；
Mounting groove is opened up around the die hole in the lower die, cricoid the first hard for offering multiple mounting holes is taken to inlay
The first hard mosaic block is fixed on across the mounting hole in the mounting groove, institute by block by multiple first fasteners
The first fastener is stated with the mounting hole using being interference fitted, interference volume is 0.005~0.012mm, multiple first fastenings
Part is centrosymmetric distribution with the central axes of the die hole, and the endoporus of the first hard mosaic block is connected to the die hole, institute
State the work band that side wall of the first hard mosaic block on endoporus forms the lower die.
10. the manufacturing method of aluminum profile extrusion die as claimed in claim 9, which is characterized in that further comprising the steps of：
Set gradually in discharging direction in the core print and neck and inlay section, the core print radially, the neck is prominent
Section is inlayed for described；
Cricoid second hard mosaic block is taken, the endoporus of the second hard mosaic block is adapted with the section of inlaying, by second
Hard mosaic block is ground according to the design shape and size of upper mold work band, and the outer rim of the second hard mosaic block is ground
It cuts to reservation 0.1~0.3mm surpluses；
The second hard mosaic block slide fit is inlayed into section to described, the second fastener is used in combination to fix；
By the outer rim polishing grinding of the second hard mosaic block to design size, the work band of the upper mold is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810084357.0A CN108296300B (en) | 2018-01-29 | 2018-01-29 | Aluminum profile extrusion die and extrusion forming method and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810084357.0A CN108296300B (en) | 2018-01-29 | 2018-01-29 | Aluminum profile extrusion die and extrusion forming method and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108296300A true CN108296300A (en) | 2018-07-20 |
| CN108296300B CN108296300B (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810084357.0A Active CN108296300B (en) | 2018-01-29 | 2018-01-29 | Aluminum profile extrusion die and extrusion forming method and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393053A (en) * | 2022-01-18 | 2022-04-26 | 扬州瑞斯乐复合金属材料有限公司 | Preparation method of mold |
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| JPS61209719A (en) * | 1985-03-13 | 1986-09-18 | Showa Alum Corp | Port-hole die |
| EP0656235A1 (en) * | 1993-12-01 | 1995-06-07 | Sumitomo Light Metal Industries Limited | A hollow extruder die for extruding a hollow member of a zinc-containing aluminum alloy |
| CN202070592U (en) * | 2011-02-12 | 2011-12-14 | 上海瑞斯乐复合金属材料有限公司 | One-mould-multi-branch co-extrusion mould |
| CN203917448U (en) * | 2014-06-30 | 2014-11-05 | 浙江华铝铝业股份有限公司 | A kind of extruding die for aluminum shaped material |
| CN105170680A (en) * | 2015-09-08 | 2015-12-23 | 广州科技职业技术学院 | Protective type double-hole extrusion mould for aluminum section bar |
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2018
- 2018-01-29 CN CN201810084357.0A patent/CN108296300B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61209719A (en) * | 1985-03-13 | 1986-09-18 | Showa Alum Corp | Port-hole die |
| EP0656235A1 (en) * | 1993-12-01 | 1995-06-07 | Sumitomo Light Metal Industries Limited | A hollow extruder die for extruding a hollow member of a zinc-containing aluminum alloy |
| CN202070592U (en) * | 2011-02-12 | 2011-12-14 | 上海瑞斯乐复合金属材料有限公司 | One-mould-multi-branch co-extrusion mould |
| CN203917448U (en) * | 2014-06-30 | 2014-11-05 | 浙江华铝铝业股份有限公司 | A kind of extruding die for aluminum shaped material |
| CN105170680A (en) * | 2015-09-08 | 2015-12-23 | 广州科技职业技术学院 | Protective type double-hole extrusion mould for aluminum section bar |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393053A (en) * | 2022-01-18 | 2022-04-26 | 扬州瑞斯乐复合金属材料有限公司 | Preparation method of mold |
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| Publication number | Publication date |
|---|---|
| CN108296300B (en) | 2020-01-17 |
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