CN110814118A - Angle aluminum bending method - Google Patents
Angle aluminum bending method Download PDFInfo
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- CN110814118A CN110814118A CN201911241288.0A CN201911241288A CN110814118A CN 110814118 A CN110814118 A CN 110814118A CN 201911241288 A CN201911241288 A CN 201911241288A CN 110814118 A CN110814118 A CN 110814118A
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- Prior art keywords
- angle
- aluminum
- bending
- width
- angle aluminum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/162—Heating equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The application discloses a method for bending an angle aluminum, which is to heat the angle aluminum to 80-110 ℃, and then place the angle aluminum in an open angle pressing film to be pressed for 20-50 seconds. The invention has the following beneficial effects: the angle aluminum is heated and then extruded and cooled for shaping, and the angle aluminum after being heated, extruded and cooled for shaping has a bending angle of-20 degrees to 20 degrees and can be used for manufacturing iron towers.
Description
Technical Field
The invention relates to the field of section bar preparation, in particular to an angle aluminum bending method.
Background
Angle iron is one of the basic materials used for manufacturing the iron tower at present, and because the iron tower has a certain gradient, the angle iron must be used for assembling the iron tower after being bent by an open-close angle, and patent CN103611775B provides an angle iron fire bending angle opening pressing die and an angle iron fire bending angle opening method, and the angle opening pressing die and the angle opening method provided by the patent document can be used for bending the angle iron.
The angle aluminum (made of aluminum alloy) is a section material which has the same structure with the angle steel and similar yield strength, and has the advantages of light weight, good corrosion resistance and the like compared with the angle steel, but the angle aluminum can be used for manufacturing the iron tower by utilizing the advantages of good corrosion resistance and the like, but the angle aluminum also can be used for manufacturing the iron tower by bending the angle aluminum based on the characteristic that the iron tower has a certain gradient.
There is no die for bending angle aluminum, and the structure of angle aluminum is consistent with that of angle steel, so the angle steel hot bending angle opening die provided in patent CN103611775B can also bend angle aluminum from the structural point of view, but the angle steel hot bending angle opening method provided in patent CN103611775B cannot be used for bending angle aluminum due to the great difference in strength between steel and aluminum alloy.
The specifications of the angle steel for manufacturing the iron tower at present are that the limb width is 80 mm-110 mm, the thickness is 6 mm-10 mm, and the manufacturing angle is-20 degrees.
Disclosure of Invention
Based on the problems mentioned in the background technology, on the basis of the angle steel fire-bending angle-opening pressing die provided by the patent CN103611775B, an angle steel bending method based on the characteristics of aluminum alloy is provided.
The technical scheme adopted by the invention is as follows:
a method for bending angle aluminum includes heating angle aluminum to 80-110 deg.C, and pressing in open-angle die for 20-50 s.
Firstly, the melting temperature of the aluminum alloy is as high as 600 ℃, the aluminum alloy is heated to 80-110 ℃, the aluminum alloy can not be melted in the temperature range, but the aluminum alloy can become flexible to a certain extent, and various physical and chemical properties of the aluminum alloy can not be changed after the aluminum alloy is cooled again. Therefore, the angle aluminum is heated to 80-110 ℃, the bending treatment of the angle aluminum can be finished by pressing the angle aluminum by using the open angle pressing die, and the pressing time is controlled between 20 seconds and 50 seconds in order to play a role of cooling and shaping the angle aluminum and avoid the deformation of the angle aluminum after leaving the open angle pressing die.
According to the scheme, the angle aluminum is heated and then extruded, cooled and shaped, and the angle aluminum which is shaped by heating, extruding and cooling has a bending angle of-20 degrees and can be used for manufacturing the iron tower.
Meanwhile, the thickness of the aluminum angles with different specifications is different, and the temperature observed is the surface temperature of the aluminum angles, so that the heating temperature range is 80-110 ℃, and the temperature of the cores of the aluminum angles with different thicknesses is ensured to be approximately equal.
Optionally, the heating mode of the angle aluminum is flame heating.
The mode heating efficiency of flame heating is high, guarantees that angle aluminium each position is heated evenly.
Optionally, the width of the angle aluminum is 80mm, the thickness of the angle aluminum is 6mm, the heating temperature is 80-90 ℃, the pressing time is 20-25 seconds, and the bending angle is-20 °.
Optionally, the width of the angle aluminum is 90mm, the thickness of the angle aluminum is 7mm, the heating temperature is 85-95 ℃, the pressing time is 25-40 seconds, and the bending angle is-20 degrees.
Optionally, the width of the angle aluminum is 100mm, the thickness of the angle aluminum is 8mm, the heating temperature is 90-100 ℃, the pressing time is 30-45 seconds, and the bending angle is-20 °.
Optionally, the limb width of the angle aluminum is 110mm, the thickness of the angle aluminum is 10mm, the heating temperature is 95-110 ℃, the pressing time is 35-50 seconds, and the bending angle is-20 °.
Optionally, the width of the bending area is 55mm to 155mm, and the width of the transition area is 70mm to 170 mm.
The invention has the beneficial effects that: the angle aluminum is heated and then extruded and cooled for shaping, and the angle aluminum after being heated, extruded and cooled for shaping has a bending angle of-20 degrees to 20 degrees and can be used for manufacturing iron towers.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to examples.
Example 1
The width of the limbs of the horn aluminum is 80mm, the thickness is 6mm, and the bending angle is 5 °
Heating the angle aluminum to 83 ℃ by using flame, putting the angle aluminum into an open angle pressing die, and extruding for 25 seconds, wherein the width of a bending area in the extruding process is 65mm, and the width of a transition area is 80 mm.
Example 2
The width of the limbs of the horn aluminum is 80mm, the thickness is 6mm, and the bending angle is 15 °
Heating the angle aluminum to 87 ℃ by using flame, putting the angle aluminum into an open angle die, and extruding for 30 seconds, wherein the width of a bending area in the extruding process is 85mm, and the width of a transition area is 100 mm.
Example 3
The width of the limbs of the angle aluminum is 90mm, the thickness is 7mm, and the bending angle is 5 °
Heating the angle aluminum to 85 ℃ by using flame, putting the angle aluminum into an open angle die, and extruding for 30 seconds, wherein the width of a bending area in the extruding process is 85mm, and the width of a transition area is 100 mm.
Example 4
The width of the limbs of the angle aluminum is 90mm, the thickness is 7mm, and the bending angle is 15 °
Heating the angle aluminum to 93 ℃ by using flame, putting the angle aluminum into an open angle die, and extruding for 35 seconds, wherein the width of a bending area in the extruding process is 105mm, and the width of a transition area is 120 mm.
Example 5
The width of the corner aluminum limb is 100mm, the thickness is 8mm, and the bending angle is 5 °
Heating the angle aluminum to 93 ℃ by using flame, putting the angle aluminum into an open angle die, and extruding for 35 seconds, wherein the width of a bending area in the extruding process is 105mm, and the width of a transition area is 120 mm.
Example 6
The width of the limbs of the angle aluminum is 100mm, the thickness is 8mm, and the bending angle is 15 °
Heating the angle aluminum to 100 ℃ by using flame, putting the angle aluminum into an open angle die, and extruding for 40 seconds, wherein the width of a bending area in the extruding process is 125mm, and the width of a transition area is 140 mm.
Example 7
The width of the limbs of the horn aluminum is 110mm, the thickness is 10mm, and the bending angle is 5 °
Heating the angle aluminum to 100 ℃ by using flame, putting the angle aluminum into an open angle die, and extruding for 40 seconds, wherein the width of a bending area in the extruding process is 125mm, and the width of a transition area is 140 mm.
Example 8
The width of the limbs of the horn aluminum is 110mm, the thickness is 10mm, and the bending angle is 15 °
The angle aluminum is heated to 105 ℃ by flame and then put into an open angle die to be extruded for 45 seconds, the width of a bending area in the extrusion process is 145mm, and the width of a transition area is 160 mm.
Example 9
The width of the limbs of the angle aluminum is 110mm, the thickness is 10mm, and the bending angle is 20 °
The angle aluminum is heated to 110 ℃ by flame and then put into an open angle die to be extruded for 50 seconds, the width of a bending area in the extrusion process is 155mm, and the width of a transition area is 170 mm.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, which is defined by the claims and their equivalents, and can be directly or indirectly applied to other related fields of technology.
Claims (7)
1. A method for bending an angle aluminum is characterized in that the angle aluminum is heated to 80-110 ℃, and then the angle aluminum is placed in an open angle pressing film to be pressed for 20-50 seconds.
2. The method of claim 1 wherein the aluminum is heated by flame heating.
3. The angle aluminum bending method according to claim 1, wherein the angle aluminum has a leg width of 80mm, a thickness of 6mm, a heating temperature of 80 to 90 ℃, a pressing time of 20 to 25 seconds, and a bending angle of-20 to 20 °.
4. The angle aluminum bending method according to claim 1, wherein the angle aluminum has a leg width of 90mm, a thickness of 7mm, a heating temperature of 85 to 95 ℃, a pressing time of 25 to 40 seconds, and a bending angle of-20 to 20 °.
5. The angle aluminum bending method according to claim 1, wherein the angle aluminum has a leg width of 100mm, a thickness of 8mm, a heating temperature of 90 to 100 ℃, a pressing time of 30 to 45 seconds, and a bending angle of-20 to 20 °.
6. The angle aluminum bending method according to claim 1, wherein the angle aluminum has a leg width of 110mm, a thickness of 10mm, a heating temperature of 95 to 110 ℃, a pressing time of 35 to 50 seconds, and a bending angle of-20 to 20 °.
7. The angle aluminum bending method of claim 1, wherein the bending zone has a width of 55mm to 155mm, and the transition zone has a width of 70mm to 170 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911241288.0A CN110814118A (en) | 2019-12-06 | 2019-12-06 | Angle aluminum bending method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911241288.0A CN110814118A (en) | 2019-12-06 | 2019-12-06 | Angle aluminum bending method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110814118A true CN110814118A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911241288.0A Pending CN110814118A (en) | 2019-12-06 | 2019-12-06 | Angle aluminum bending method |
Country Status (1)
| Country | Link |
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| CN (1) | CN110814118A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56105823A (en) * | 1980-01-24 | 1981-08-22 | Nippon Koki Kk | Bending method for aluminum-alloy pipe |
| CN201900158U (en) * | 2010-12-16 | 2011-07-20 | 陕西欧舒特汽车股份有限公司 | Special device for bending pressure feet of aluminum profile for interior decoration of bus |
| CN102441613A (en) * | 2011-11-29 | 2012-05-09 | 江苏振光电力设备制造有限公司 | Die for forming opening angle or closed angle of combined angle steel |
| CN102553987A (en) * | 2010-12-16 | 2012-07-11 | 陕西欧舒特汽车股份有限公司 | Special mechanism for bending aluminum profile presser-foot of inner bus decoration |
| CN103611775A (en) * | 2013-06-24 | 2014-03-05 | 浙江盛达铁塔有限公司 | Angle steel fire bending angle opening pressing die and angle steel fire bending angle opening method |
| CN106378369A (en) * | 2016-10-21 | 2017-02-08 | 上海航天设备制造总厂 | Hot bending molding temperature indication paste for aluminum alloy tubular product and bending molding method |
| CN208866188U (en) * | 2018-08-30 | 2019-05-17 | 嘉兴金冠箱包有限公司 | A kind of aluminium alloy side apparatus for bending |
| CN209139540U (en) * | 2018-11-09 | 2019-07-23 | 肇庆市广宁县光电铝业科技有限公司 | A kind of accurate coalignment of aluminum profile |
-
2019
- 2019-12-06 CN CN201911241288.0A patent/CN110814118A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56105823A (en) * | 1980-01-24 | 1981-08-22 | Nippon Koki Kk | Bending method for aluminum-alloy pipe |
| CN201900158U (en) * | 2010-12-16 | 2011-07-20 | 陕西欧舒特汽车股份有限公司 | Special device for bending pressure feet of aluminum profile for interior decoration of bus |
| CN102553987A (en) * | 2010-12-16 | 2012-07-11 | 陕西欧舒特汽车股份有限公司 | Special mechanism for bending aluminum profile presser-foot of inner bus decoration |
| CN102441613A (en) * | 2011-11-29 | 2012-05-09 | 江苏振光电力设备制造有限公司 | Die for forming opening angle or closed angle of combined angle steel |
| CN103611775A (en) * | 2013-06-24 | 2014-03-05 | 浙江盛达铁塔有限公司 | Angle steel fire bending angle opening pressing die and angle steel fire bending angle opening method |
| CN106378369A (en) * | 2016-10-21 | 2017-02-08 | 上海航天设备制造总厂 | Hot bending molding temperature indication paste for aluminum alloy tubular product and bending molding method |
| CN208866188U (en) * | 2018-08-30 | 2019-05-17 | 嘉兴金冠箱包有限公司 | A kind of aluminium alloy side apparatus for bending |
| CN209139540U (en) * | 2018-11-09 | 2019-07-23 | 肇庆市广宁县光电铝业科技有限公司 | A kind of accurate coalignment of aluminum profile |
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Application publication date: 20200221 |