阅读说明：本技术 一种用于中空玻璃隔条的铝合金材料加工工艺 (Aluminum alloy material processing technology for hollow glass parting bead ) 是由 曹晓国 曹旷 *** 史栋心 于 2020-05-28 设计创作，主要内容包括：本发明涉及一种用于中空玻璃隔条的铝合金材料加工工艺,材料是基于3003铝合金基础上,通过成份调整、冷轧工艺和退火工艺优化制作而成,所制备的材料抗拉强度大于180Mpa,延伸率不低于10%,该材料可以制成性能优良、减薄型的中空玻璃隔条,这种中空玻璃隔条具有成形性能好、强度高、二次折边不断裂等特征,本发明步骤是采用专有冷轧轧制道次和退火工艺,全进口冷轧机、磨床和轧机控制系统,保证性能稳定、表面含油量极低以及良好的板形,使用进口刀具剪切,保证良好的边部剪切质量和卷取质量,配备先进表面检测系统,保证交付的产品表面完全符合用户要求。(The invention relates to a processing technique of an aluminum alloy material for a hollow glass parting bead, which is based on 3003 aluminum alloy, is prepared by optimizing the components adjustment, the cold rolling process and the annealing process, the tensile strength of the prepared material is more than 180Mpa, the elongation is not lower than 10 percent, the invention adopts special cold rolling pass and annealing process, full-import cold rolling mill, grinding machine and rolling mill control system, ensures stable performance, extremely low surface oil content and good plate shape, uses import cutter to cut, ensures good edge cutting quality and coiling quality, and is equipped with advanced surface detection system to ensure that the delivered product surface completely meets the user requirements.)

1. A processing technology of an aluminum alloy material for a hollow glass division bar is characterized by comprising the following steps: the method comprises the following steps: casting, saw cutting, soaking, face milling, heating, hot rolling, cold rolling, low-temperature annealing, small-reduction cold rolling, cleaning and shearing, wherein in the casting step, the smelting temperature is 740-, and (3) carrying out cold rolling for 2-3 times to a target thickness of a set deformation, controlling the cold deformation to be 10% after annealing, controlling the thickness of a final product to be 0.31-0.36mm, and carrying out surface cleaning on the product after cold rolling by using deionized water containing 2-3% of NaOH.

2. The processing technology of an aluminum alloy material for producing a hollow glass division bar according to claim 1, characterized in that: in the casting step, the cast ingot after casting comprises the following chemical components in percentage by mass: si is less than or equal to 0.6%, Fe is less than or equal to 0.7%, Cu: 0.05 to 0.2%, Mn: 1.0 to 1.5 percent of Mg, less than or equal to 0.05 percent of Zn, less than or equal to 0.1 percent of Cr, less than or equal to 0.05 percent of Ti, less than or equal to 0.02 percent of other impurities, less than or equal to 0.10 percent of other impurities and the balance of Al.

3. The processing technology of an aluminum alloy material for producing a hollow glass division bar according to claim 1, characterized in that: in the fusion casting step, the casting temperature is 685-.

4. The processing technology of an aluminum alloy material for producing a hollow glass division bar according to claim 1, characterized in that: in the soaking step, the soaking temperature of the ingot is set to 600 ℃.

5. The processing technology of an aluminum alloy material for producing a hollow glass division bar according to claim 1, characterized in that: in the step of milling the surfaces, the milling amount is at least 10mm for each large surface.

6. The processing technology of an aluminum alloy material for producing a hollow glass division bar according to claim 1, characterized in that: in the cold rolling step, the thickness of the final product is 0.31-0.36 mm.

7. The processing technology of the aluminum alloy material for the hollow glass division bar according to claim 1, wherein the processing technology comprises the following steps: the oil carrying quantity on the surface of the cold-rolled product is less than or equal to 10mg/m, and the dyne value is more than or equal to 42mN/m (dyn/cm), so that the surface quality meeting the requirements is obtained.

Technical Field

The invention relates to the technical field of aluminum alloy material processing technology, in particular to an aluminum alloy material processing technology for a hollow glass division bar.

Background

The continuous development of the building industry and various fields of industrial production drives the progress of the aluminum parting strip industry, the aluminum material has unique performance, the most unique property is that the aluminum parting strip can form a compact oxidation film in the normal temperature and dry air to protect the aluminum parting strip from oxidation corrosion, the aluminum parting strip is used for manufacturing hollow glass, the weight of a door and a window can be greatly reduced due to the lighter weight of the aluminum parting strip, so that the weight of a building is reduced, the hollow glass needs to use the aluminum strip to effectively block the transmission of external noise and various radiation, the environmental quality of the building is effectively improved, the heat in the building is not lost, because of the requirement of modern buildings, the size of each piece of glass which needs to be used is larger and larger, the color of the parting strip is required to be more beautiful, the bearing performance of the hollow glass parting strip needs to be improved, and the oil content on the surface needs to be further reduced, the method is used for processing the glass hollow division bar material with high strength, high elongation, excellent bending property and surface quality and low oil content, and an aluminum alloy material processing process for the hollow glass division bar is required to be designed to solve the problems.

Disclosure of Invention

The invention aims to provide a processing technology of an aluminum alloy material for a hollow glass division bar aiming at the technical problems in the prior art, and the specific technical scheme is as follows:

a processing technology of an aluminum alloy material for a hollow glass division bar comprises the following steps: casting, soaking, surface milling, heating, hot rolling, cold rolling, low-temperature annealing, small-reduction cold rolling, cleaning and shearing, wherein in the casting step, the casting temperature is 740-, and controlling the cold deformation amount to be 10% after annealing, controlling the thickness of a final product to be 0.31-0.36mm, and cleaning the surface of the product after cold rolling by using a cleaning agent containing 2-3% of NaOH.

The invention is further improved in that: in the casting step, the cast ingot after casting comprises the following chemical components in percentage by mass: si is less than or equal to 0.6%, Fe is less than or equal to 0.7%, Cu: 0.05 to 0.2%, Mn: 1.0 to 1.5 percent of Mg, less than or equal to 0.05 percent of Zn, less than or equal to 0.1 percent of Cr, less than or equal to 0.05 percent of Tir, less than or equal to 0.02 percent of other impurities, less than or equal to 0.10 percent of other impurities and the balance of Al.

The invention is further improved in that: in the fusion casting step, the casting temperature is 685-.

The invention is further improved in that: in the soaking step, the soaking temperature of the ingot is set to be 560 ℃.

The invention is further improved in that: in the step of milling the surfaces, the milling amount is at least 10mm for each large surface.

The invention is further improved in that: in the cold rolling step, the thickness of a final product is 0.34 mm.

The invention is further improved in that: the oil carrying quantity on the surface of the cold-rolled product is less than or equal to 10mg/m, and the dyne value is more than or equal to 42mN/m (dyn/cm), so that the surface quality meeting the requirements is obtained.

The invention has the beneficial effects that:

the invention adopts special cold rolling pass and annealing process, uses a full-import cold rolling mill, a grinding machine and a rolling mill control system to ensure stable performance, extremely low surface content and good plate shape in the processing process, uses an import cutter to carry out shearing to ensure good edge shearing quality and coiling quality, and is provided with an advanced surface detection system, so that the manufactured aluminum alloy material has high strength and high elongation, the two are contradictory, a balance point must be found through process test, compared with a common 3003 product, the aluminum alloy material has higher strength and elongation, the oil content on the surface is measured to be more than or equal to 38, the common strength of the material in the market is lower than 160Ma, the strength of the material manufactured by the invention reaches 180Mpa, and the elongation is still maintained to be more than 10 percent, and the high-strength aluminum alloy material can be manufactured by the process flow of the invention, The hollow glass division bar material has high elongation, excellent bending performance and surface quality and low oil content, ensures that the delivered product surface completely meets the requirements of users, has the characteristics of strong practicability and strong operability, and has wide market application prospect.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution in the embodiments of the present invention will be clearly and completely described below.

A processing technology of an aluminum alloy material for a hollow glass division bar comprises the following steps: fusion casting, soaking, surface milling, heating, hot rolling, cold rolling, low-temperature annealing, small-reduction cold rolling, cleaning and shearing, wherein in the fusion casting step, the fusion casting temperature is 740-: si is less than or equal to 0.6%, Fe is less than or equal to 0.7%, Cu: 0.05 to 0.2%, Mn: 1.0 to 1.5 percent of Mg, less than or equal to 0.05 percent of Zn, less than or equal to 0.1 percent of Cr, less than or equal to 0.05 percent of Tir, less than or equal to 0.02 percent of other impurities, less than or equal to 0.10 percent of other impurities and the balance of Al;

in the soaking step, the soaking temperature of the ingot is set to 560 ℃, the temperature of the ingot reaches 580 ℃, and the heat preservation time is 12 h;

in the step of milling the surface, a milling machine is adopted to mill the large surface of the cast ingot, and the milling amount is at least 10mm for each large surface.

In the hot rolling step, cogging is carried out at 470-490 ℃ by adopting hot rough rolling, a plate with the blank thickness of 16mm is rolled out through multi-pass rolling, the temperature of an intermediate plate blank is 400-420 ℃, then the plate blank is transferred to hot finish rolling, a 6mm hot rolled coil is rolled through 3 passes, and the final rolling temperature is controlled at 300-350 ℃;

in the cold rolling step, the cold rolling is carried out for 2-3 times to the target thickness of the set deformation, the cold deformation is controlled to be 10% after annealing, the thickness of a final product is 0.34mm, the product after the cold rolling is subjected to surface cleaning by using a cleaning agent containing 2-3% of NaOH, the oil quantity on the surface of the product after the cold rolling is less than or equal to 10mg/m, and the dyne value is more than or equal to 42mN/m (dyn/cm), so that the surface quality meeting the requirements is obtained.