CN111085823A - Machining process of automobile decoration strip - Google Patents
Machining process of automobile decoration strip Download PDFInfo
- Publication number
- CN111085823A CN111085823A CN201911331692.7A CN201911331692A CN111085823A CN 111085823 A CN111085823 A CN 111085823A CN 201911331692 A CN201911331692 A CN 201911331692A CN 111085823 A CN111085823 A CN 111085823A
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- Prior art keywords
- thickness
- stainless steel
- steel coil
- annealing
- decorative strip
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Metal Rolling (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention belongs to the technical field of automobile decorative strip processing, and particularly discloses a processing technology of an automobile decorative strip, which adopts a step of removing surface defects before the original processing technology and a step of leveling before punch forming, thereby solving the problems that in the prior art, the processing of the automobile decorative strip does not pass through the step of removing the surface defects of raw materials, film pasting is carried out before punch forming, and white spots of golden dust and defective lines can appear on the surface of the automobile decorative strip after the film pasting is torn off and the punch forming is carried out under strong light irradiation, so the processing technology of the automobile decorative strip has the characteristics of removing the white spots of the golden dust on the surface and removing the lines of the surface defects.
Description
Technical field this
The invention belongs to the technical field of automobile decorative strip processing, and particularly discloses a processing technology of an automobile decorative strip.
Background
The traditional automobile decoration strip is processed without the process of removing the surface defects of raw materials, so that the film is pasted before stamping and forming, and after the film is torn off, white spots of golden dust and defective lines can appear on the surface of the automobile decoration strip which is subjected to strong light irradiation stamping forming.
Disclosure of Invention
In view of the above, the present invention provides a processing technique of an automobile decorative strip, which can remove white spots of gold dust on the surface and remove surface defect lines.
In order to solve the technical problems, the technical scheme of the invention is as follows: a processing technology of an automobile decoration strip comprises the following steps:
(1) removing surface defects: grinding the surface defects of the stainless steel coil with the thickness of 3.0mm by using a diamond grinding machine;
(2) rolling for the first time: pressing the stainless steel coil with the thickness of 3.0mm obtained in the step (1) to 1.2 mm-1.6 mm by using a rolling mill to obtain the stainless steel coil with the thickness of 1.2 mm-1.6 mm;
(3) first alkali washing: removing oil stains on the surface of the stainless steel coil with the thickness of 1.2 mm-1.6 mm, which is obtained in the step (2), by using an alkaline washing machine, wherein the speed of the alkaline washing machine is set to be 60-80 m/min, and the temperature is set to be 60-70 ℃, so that the stainless steel coil with the thickness of 1.2 mm-1.6 mm, which is subjected to oil stain removal, is obtained;
(4) first annealing: annealing the stainless steel coil with the thickness of 1.2 mm-1.6 mm after the oil stain removal obtained in the step (3) by using an annealing device, wherein the speed of the annealing device is set to be tv 7-tv 8, and the temperature is set to be 1100-1200 ℃, so that the stainless steel coil with the thickness of 1.2 mm-1.6 mm after the oil stain removal is obtained;
(5) and (3) rolling for the second time: pressing the annealed stainless steel coil with the thickness of 1.2 mm-1.6 mm obtained in the step (4) to 0.3 mm-0.6 mm by using a rolling machine to obtain the stainless steel coil with the thickness of 0.3 mm-0.6 mm;
(6) second alkali washing: removing oil stains on the surface of the stainless steel coil with the thickness of 0.3-0.6 mm, which is obtained in the step (5), by using an alkaline washing machine, wherein the speed of the alkaline washing machine is set to be 40-60 m/min, and the temperature is set to be 50-60 ℃, so that the stainless steel coil with the thickness of 0.3-0.6 mm, which is obtained after oil stains are removed, is obtained;
(7) and (3) second annealing: annealing the stainless steel coil with the thickness of 0.3-0.6 mm after the oil stain is removed, which is obtained in the step (6), by using an annealing device, wherein the speed of the annealing device is set to be tv 5-tv 7, and the temperature is set to be 900-1100 ℃, so that the stainless steel coil with the thickness of 0.3-0.6 mm after the annealing is obtained;
(8) leveling: flattening the stainless steel coil with the thickness of 0.3-0.6 mm obtained in the step (7) after annealing by using a flattening machine, wherein the stainless steel coil with the thickness of 0.3-0.6 mm can be improved by flattening, so that the surface of the steel coil is flatter, and the stainless steel coil with the thickness of 0.3-0.6 mm is obtained;
(9) and (3) stamping and forming: and (3) stamping the stainless steel coil with the thickness of 0.3-0.6 mm obtained in the step (8) by using a stamping machine to obtain the product in the shape of the automobile decoration strip.
Preferably, the step (1) further comprises detecting whether the thickness of the stainless steel coil reaches 3.0mm by using an ultrasonic thickness gauge.
Preferably, the reduction rate of the temper mill in the step (8) is 0.5% -1%.
Compared with the prior art, the invention has the following beneficial technical effects: the invention adopts the working procedure of removing the surface defect before the original processing working procedure and the leveling working procedure before the punch forming, thereby solving the problems that the processing of the automobile decorative strip in the prior art does not have the working procedure of removing the surface defect of the raw material, the film pasting is carried out before the punch forming, and after the film pasting is torn off, white spots of golden dust and defective lines can appear on the surface of the automobile decorative strip which is subjected to the punch forming by strong light irradiation, therefore, the processing technology of the automobile decorative strip has the characteristics of removing the white spots of the golden dust on the surface and removing the surface defect lines.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments so that the technical solutions of the present invention can be more easily understood and appreciated. Example 1
A processing technology of an automobile decoration strip comprises the following steps:
(1) removing surface defects: grinding the surface defects of the stainless steel coil with the thickness of 3.0mm by using a diamond grinding machine; (2) rolling for the first time: pressing the stainless steel coil with the thickness of 3.0mm obtained in the step (1) to 1.2mm by using a rolling mill to obtain the stainless steel coil with the thickness of 1.2 mm;
(3) first alkali washing: removing oil stains on the surface of the stainless steel coil with the thickness of 1.2mm obtained in the step (2) by using an alkaline washing machine, wherein the speed of the alkaline washing machine is set to be 80m/min, the temperature is set to be 70 ℃, and the stainless steel coil with the thickness of 1.2mm after the oil stains are removed is obtained;
(4) first annealing: annealing the stainless steel coil with the thickness of 1.2mm and the oil stain removed obtained in the step (3) by using an annealing device, wherein the speed of the annealing device is set as tv8, and the temperature is set as 1200 ℃, so that the stainless steel coil with the thickness of 1.2mm and the oil stain removed is obtained;
(5) and (3) rolling for the second time: pressing the annealed stainless steel coil with the thickness of 1.2mm obtained in the step (4) to 0.3mm by using a rolling mill to obtain a stainless steel coil with the thickness of 0.3 mm;
(6) second alkali washing: removing oil stains on the surface of the stainless steel coil with the thickness of 0.3mm obtained in the step (5) by using an alkaline washing machine, wherein the speed of the alkaline washing machine is set to be 60m/min, the temperature is set to be 60 ℃, and the stainless steel coil with the thickness of 0.3mm after the oil stains are removed is obtained;
(7) and (3) second annealing: annealing the stainless steel coil with the thickness of 0.3mm after the oil stain is removed, which is obtained in the step (6), by using an annealing device, wherein the speed of the annealing device is set to be tv7, and the temperature is set to be 1100 ℃, so that the stainless steel coil with the thickness of 0.3mm after the annealing is obtained;
(8) leveling: flattening the stainless steel coil with the thickness of 0.3mm obtained in the step (7) by using a flattening machine, wherein the stainless steel coil with the thickness of 0.3mm is flattened, and the steel coil can be improved through flattening, so that the surface of the steel coil is flatter, and the stainless steel coil with the thickness of 0.3mm is obtained;
(9) and (3) stamping and forming: and (4) stamping the stainless steel coil with the thickness of 0.3mm obtained in the step (8) by using a stamping machine to obtain the product in the shape of the automobile decoration strip. Preferably, the step (1) further comprises detecting whether the thickness of the stainless steel coil reaches 3.0mm by using an ultrasonic thickness gauge.
Preferably, the reduction rate of the leveler in the step (8) is 1%.
This example 1 makes it possible to punch out a product in the form of an automobile molding having a thickness of 0.3 mm.
Example 2
A processing technology of an automobile decoration strip comprises the following steps:
(1) removing surface defects: grinding the surface defects of the stainless steel coil with the thickness of 3.0mm by using a diamond grinding machine;
(2) rolling for the first time: pressing the stainless steel coil with the thickness of 3.0mm obtained in the step (1) to 1.6 mm by using a rolling mill to obtain the stainless steel coil with the thickness of 1.6 mm;
(3) first alkali washing: removing oil stains on the surface of the stainless steel coil with the thickness of 1.6 mm obtained in the step (2) by using an alkaline washing machine, wherein the speed of the alkaline washing machine is set to be 60m/min, the temperature is set to be 60 ℃, and the stainless steel coil with the thickness of 1.6 mm after oil stains are removed is obtained;
(4) first annealing: annealing the stainless steel coil with the thickness of 1.6 mm after the oil stain removal obtained in the step (3) by using an annealing device, wherein the speed of the annealing device is set as tv7, and the temperature is set as 1100 ℃, so that the stainless steel coil with the thickness of 1.6 mm after the oil stain removal is obtained;
(5) and (3) rolling for the second time: pressing the annealed stainless steel coil with the thickness of 1.6 mm obtained in the step (4) to 0.6mm by using a rolling mill to obtain the stainless steel coil with the thickness of 0.6 mm;
(6) second alkali washing: removing oil stains on the surface of the stainless steel coil with the thickness of 0.6mm obtained in the step (5) by using an alkaline washing machine, wherein the speed of the alkaline washing machine is set to be 40m/min, the temperature is set to be 50 ℃, and the stainless steel coil with the thickness of 0.6mm after the oil stains are removed is obtained;
(7) and (3) second annealing: annealing the stainless steel coil with the thickness of 0.6mm after the oil stain removal obtained in the step (6) by using an annealing device, wherein the speed of the annealing device is set as tv5, and the temperature is set as 900 ℃, so that the stainless steel coil with the thickness of 0.6mm after the oil stain removal is obtained;
(8) leveling: flattening the stainless steel coil with the thickness of 0.6mm obtained in the step (7) by using a flattening machine, wherein the stainless steel coil with the thickness of 0.6mm can be improved through flattening, so that the surface of the steel coil is flatter, and the stainless steel coil with the thickness of 0.6mm is obtained;
(9) and (3) stamping and forming: and (4) stamping the stainless steel coil with the thickness of 0.6mm obtained in the step (8) by using a stamping machine to obtain the product in the shape of the automobile decoration strip.
Preferably, the step (1) further comprises detecting whether the thickness of the stainless steel coil reaches 3.0mm by using an ultrasonic thickness gauge.
Preferably, the reduction rate of the leveler in the step (8) is 0.5%. This example 2 makes it possible to punch out a product in the form of an automobile molding having a thickness of 0.6 mm.
Of course, the above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way; all the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (3)
1. The processing technology of the automobile decorative strip is characterized by comprising the following steps:
(1) removing surface defects: grinding the surface defects of the stainless steel coil with the thickness of 3.0mm by using a diamond grinding machine;
(2) rolling for the first time: pressing the stainless steel coil with the thickness of 3.0mm obtained in the step (1) to 1.2 mm-1.6 mm by using a rolling mill to obtain the stainless steel coil with the thickness of 1.2 mm-1.6 mm;
(3) first alkali washing: removing oil stains on the surface of the stainless steel coil with the thickness of 1.2 mm-1.6 mm, which is obtained in the step (2), by using an alkaline washing machine, wherein the speed of the alkaline washing machine is set to be 60-80 m/min, and the temperature is set to be 60-70 ℃, so that the stainless steel coil with the thickness of 1.2 mm-1.6 mm, which is subjected to oil stain removal, is obtained;
(4) first annealing: annealing the stainless steel coil with the thickness of 1.2 mm-1.6 mm after the oil stain removal obtained in the step (3) by using an annealing device, wherein the speed of the annealing device is set to be tv 7-tv 8, and the temperature is set to be 1100-1200 ℃, so that the stainless steel coil with the thickness of 1.2 mm-1.6 mm after the oil stain removal is obtained;
(5) and (3) rolling for the second time: pressing the annealed stainless steel coil with the thickness of 1.2 mm-1.6 mm obtained in the step (4) to 0.3 mm-0.6 mm by using a rolling machine to obtain the stainless steel coil with the thickness of 0.3 mm-0.6 mm;
(6) second alkali washing: removing oil stains on the surface of the stainless steel coil with the thickness of 0.3-0.6 mm, which is obtained in the step (5), by using an alkaline washing machine, wherein the speed of the alkaline washing machine is set to be 40-60 m/min, and the temperature is set to be 50-60 ℃, so that the stainless steel coil with the thickness of 0.3-0.6 mm, which is obtained after oil stains are removed, is obtained;
(7) and (3) second annealing: annealing the stainless steel coil with the thickness of 0.3-0.6 mm after the oil stain is removed, which is obtained in the step (6), by using an annealing device, wherein the speed of the annealing device is set to be tv 5-tv 7, and the temperature is set to be 900-1100 ℃, so that the stainless steel coil with the thickness of 0.3-0.6 mm after the annealing is obtained;
(8) leveling: flattening the stainless steel coil with the thickness of 0.3-0.6 mm obtained in the step (7) after annealing by using a flattening machine, wherein the stainless steel coil with the thickness of 0.3-0.6 mm can be improved by flattening, so that the surface of the steel coil is flatter, and the stainless steel coil with the thickness of 0.3-0.6 mm is obtained;
(9) and (3) stamping and forming: and (3) stamping the stainless steel coil with the thickness of 0.3-0.6 mm obtained in the step (8) by using a stamping machine to obtain the product in the shape of the automobile decoration strip.
2. The processing technology of the automobile decorative strip according to claim 1, wherein the step (1) further comprises the step of detecting whether the thickness of the stainless steel coil reaches 3.0mm by using an ultrasonic thickness gauge.
3. The processing technology of the automobile decorative strip as claimed in claim 1, wherein the reduction rate of the temper mill in the step (8) is 0.5% -1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331692.7A CN111085823A (en) | 2019-12-21 | 2019-12-21 | Machining process of automobile decoration strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331692.7A CN111085823A (en) | 2019-12-21 | 2019-12-21 | Machining process of automobile decoration strip |
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| Publication Number | Publication Date |
|---|---|
| CN111085823A true CN111085823A (en) | 2020-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911331692.7A Pending CN111085823A (en) | 2019-12-21 | 2019-12-21 | Machining process of automobile decoration strip |
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| Country | Link |
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| CN (1) | CN111085823A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909378A (en) * | 2021-09-30 | 2022-01-11 | 成都市龙泉通惠实业有限责任公司 | Processing method and processing die for aluminum alloy decorative strip |
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|---|---|---|---|---|
| JPS5721234A (en) * | 1980-07-15 | 1982-02-03 | Hitachi Metals Ltd | Production of hardened steel piston ring |
| US5309631A (en) * | 1992-08-31 | 1994-05-10 | Tohoyogyo Co., Ltd. | Roll manufacturing method |
| CN101643829A (en) * | 2009-09-08 | 2010-02-10 | 江油市丰威特种带钢有限责任公司 | Cold rolling orientation silicon steel production technology |
| CN102310314A (en) * | 2011-07-01 | 2012-01-11 | 云南钛业股份有限公司 | Processing method of titanium and titanium alloy strip coils |
| CN108747231A (en) * | 2018-09-11 | 2018-11-06 | 安徽楚江科技新材料股份有限公司 | A kind of production technology of lug copper strips |
-
2019
- 2019-12-21 CN CN201911331692.7A patent/CN111085823A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5721234A (en) * | 1980-07-15 | 1982-02-03 | Hitachi Metals Ltd | Production of hardened steel piston ring |
| US5309631A (en) * | 1992-08-31 | 1994-05-10 | Tohoyogyo Co., Ltd. | Roll manufacturing method |
| CN101643829A (en) * | 2009-09-08 | 2010-02-10 | 江油市丰威特种带钢有限责任公司 | Cold rolling orientation silicon steel production technology |
| CN102310314A (en) * | 2011-07-01 | 2012-01-11 | 云南钛业股份有限公司 | Processing method of titanium and titanium alloy strip coils |
| CN108747231A (en) * | 2018-09-11 | 2018-11-06 | 安徽楚江科技新材料股份有限公司 | A kind of production technology of lug copper strips |
Non-Patent Citations (2)
| Title |
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| 何汝迎: "《不锈钢冷轧生产技术及产品应用》", 31 August 2010 * |
| 夏纪真: "《工业无损检测技术 超声检测》", 31 January 2017 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909378A (en) * | 2021-09-30 | 2022-01-11 | 成都市龙泉通惠实业有限责任公司 | Processing method and processing die for aluminum alloy decorative strip |
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Application publication date: 20200501 |