JPH0241703A - Aluminum alloy sheet for press forming work having good image clearity - Google Patents
Aluminum alloy sheet for press forming work having good image clearityInfo
- Publication number
- JPH0241703A JPH0241703A JP19293888A JP19293888A JPH0241703A JP H0241703 A JPH0241703 A JP H0241703A JP 19293888 A JP19293888 A JP 19293888A JP 19293888 A JP19293888 A JP 19293888A JP H0241703 A JPH0241703 A JP H0241703A
- Authority
- JP
- Japan
- Prior art keywords
- aluminum alloy
- indentations
- press forming
- rolled
- alloy sheet
- Prior art date
- 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.)
- Pending
Links
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 18
- 238000007373 indentation Methods 0.000 claims abstract description 26
- 238000005096 rolling process Methods 0.000 claims abstract description 20
- 239000011295 pitch Substances 0.000 abstract description 11
- 238000010422 painting Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000002542 deteriorative effect Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005480 shot peening Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
Landscapes
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はアルミニウム合金製のプレス成形加工用の圧延
板に係り、特に塗装後の外観性（鮮映性）に優れたアル
ミニウム合金板に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a rolled plate made of aluminum alloy for press forming, and particularly to an aluminum alloy plate with excellent appearance (sharpness) after painting.
（従来の技術及び解決しようとする課題）従来、プレス
成形に供されるアルミニウム合金圧延板としては、ダル
仕上面（Ｄ、Ｃ，）を有するものや、上記ダル仕上面よ
りも粗いダル仕上面（Ｒ。(Prior art and problems to be solved) Conventionally, aluminum alloy rolled plates used for press forming include those with dull finished surfaces (D, C,) and those with dull finished surfaces rougher than the above dull finished surfaces. (R.
Ｄ、Ｃ，）を有するものが自動車や家電製品などの耐久
消費材を中心に使用されている。Those with D, C, ) are mainly used in durable consumer goods such as automobiles and home appliances.
特に、自動車用材料や家電製品用材料においては、成形
性の向上、表面疵の防止、ハンドリング性の向上などの
ために、Ｒ，Ｄ、Ｃ，用の圧延ロールを用いて表面を粗
面化させたＲ、Ｄ、Ｃ，仕上面を有するアルミニウム合
金板が使用されている。In particular, for materials for automobiles and home appliances, R, D, and C rolling rolls are used to roughen the surface in order to improve formability, prevent surface flaws, and improve handling. An aluminum alloy plate with a rough R, D, and C finish surface is used.
しかし乍ら、近時、一般消費者の高級化指向から、塗装
後の外観性、特に鮮映性がより重視されるようになって
きており、上記のようなアルミニウム合金圧延板の表面
性状では、要求される外観性、殊に良好な鮮映性を具備
させることは困難となっている。そこで、上記のＲ，Ｄ
、Ｃ，の優れた特性を劣化させずに鮮映性を向上させた
アルミニウム合金圧延板が求められていた。However, in recent years, as general consumers have become more sophisticated, more emphasis has been placed on the appearance after painting, especially the sharpness of the image. However, it has become difficult to provide the required appearance, especially good image clarity. Therefore, the above R, D
There has been a demand for an aluminum alloy rolled sheet that has improved image clarity without deteriorating the excellent properties of ,C.
本発明は、かきる要請に応えるべくなされたものであっ
て、Ｒ，Ｄ、Ｃ，の優れた特性を劣化させずに塗装後の
鮮映性が向上したプレス成形用アルミニラム合金板を提
供することを目的とするものである。The present invention has been made in response to these demands, and provides an aluminum ram alloy plate for press forming that has improved image clarity after painting without degrading the excellent properties of R, D, and C. The purpose is to
（課題を解決するための手段）
前記目的を達成するため、本発明者は、か＼る用途のア
ルミニウム合金板の表面性状を調整する方策について鋭
意研究を重ねた。(Means for Solving the Problems) In order to achieve the above object, the present inventor has conducted extensive research on measures to adjust the surface properties of aluminum alloy plates for such uses.
その結果、レーザー加工された圧延ロールを用いて圧延
し、表面性状を調整することにより、ＲｏＤ、Ｃ，の特
性を劣化させることなく、鮮映性を向上させることがで
きるという知見を得て、更に表面性状の調整方法につい
て実験研究を重ね、調整基準を確定し、ここに本発明を
なすに至ったものである。As a result, we obtained the knowledge that by rolling using a laser-processed rolling roll and adjusting the surface texture, it is possible to improve the image clarity without deteriorating the RoD, C, characteristics. Furthermore, we conducted repeated experimental research on methods for adjusting surface properties, determined adjustment standards, and hereby came to form the present invention.
すなわち、本発明に係る鮮映性の優れたプレス成形加工
用アルミニウム合金板は、レーザー加工された圧延ロー
ルを用いて圧延されたアルミニウム合金板において、該
圧延ロールから転写された円形状の圧痕の径が１００〜
３００μｍ、ピッチが１５０〜５００μｍで、圧痕のな
い平坦な部分の面積率が６０％以上であり、板の微小う
ねりが１μｍ以下の範囲内にあることを特徴とするもの
である。That is, the aluminum alloy plate for press forming with excellent image clarity according to the present invention is an aluminum alloy plate rolled using a laser-processed rolling roll, in which circular indentations transferred from the rolling roll are removed. Diameter is 100~
300 μm, the pitch is 150 to 500 μm, the area ratio of flat portions without indentations is 60% or more, and the plate has minute waviness within a range of 1 μm or less.
以下に本発明を更に詳細に説明する。The present invention will be explained in more detail below.
前述の如く、従来のアルミニウム合金板の表面性状調整
方法は、ショットピーニング等々により粗面化された圧
延ロールにより、アルミニウム合金圧延板の表面をダル
仕上面としていたが、本発明ではレーザー加工により表
面調整した圧延ロールを用いて板の表面性状を調整する
のである。As mentioned above, in the conventional method for adjusting the surface properties of aluminum alloy plates, the surface of the rolled aluminum alloy plate was given a dull finish by using a rolling roll roughened by shot peening, etc., but in the present invention, the surface is roughened by laser processing. The surface quality of the plate is adjusted using the adjusted rolling rolls.
その際、表面性状の調整基準としては、圧延板に転写さ
れた円形状の圧痕の径及びピッチ、圧痕のない平坦な部
分の面積率と、板の微小うねり（ろ域中心線うねり）Ｗ
ＣＡを採用し、評価する。At this time, the adjustment criteria for the surface properties are the diameter and pitch of the circular indentation transferred to the rolled plate, the area ratio of the flat part with no indentation, and the minute waviness of the plate (center line waviness of the area) W.
Hire and evaluate CA.
圧延板の表面の圧痕は、第１図に示す如く径及びピッチ
を有し、圧痕のない平坦な部分とも区別され、レーザー
加工の条件を調節することにより、容易に調整すること
ができる。また、板の微小うねりＷｃＡ、すなわち、ろ
域中心線うねりは、レーザー加工の条件及び圧延条件に
より調整することができる。The indentations on the surface of the rolled plate have diameters and pitches as shown in FIG. 1, and are distinguished from flat areas without indentations, and can be easily adjusted by adjusting the laser processing conditions. Further, the minute waviness WcA of the plate, that is, the center line waviness of the area, can be adjusted by the laser processing conditions and rolling conditions.
本発明者の試験研究によれば、圧痕の径を１０Ｑ−３０
０１ｔｍ、ピッチを１５０−５００μｍの範囲とし、圧
痕のない平坦な部分の面積率を６０％以上にしく第２図
参照）、板の微小うねりＷＣＡを１μｍ以下の範囲に調
整することにより良好な鮮映性が得られることが判明し
た。第２図は圧痕の径り及びピッチＰの関係において圧
痕のない平坦な部分の面積率が６０％以上の範囲（Ｐ≧
１．４．Ｄ）を示したもので１図中の斜線部が本発明範
囲である。勿論、こわらの条件を外れた場合にはＲ，Ｄ
。According to the inventor's test research, the diameter of the indentation was 10Q-30.
01tm, the pitch is in the range of 150-500 μm, the area ratio of the flat part without indentation is set to be 60% or more (see Figure 2), and the fine waviness WCA of the plate is adjusted to the range of 1 μm or less to achieve good sharpness. It turned out that it was possible to obtain good image quality. Figure 2 shows the range in which the area ratio of flat parts without indentations is 60% or more (P ≥
1.4. D), and the shaded area in Figure 1 is the scope of the present invention. Of course, if the stiffness condition is not met, R, D
.
Ｃ゛、よりも良好な鮮映性は得られない。It is not possible to obtain better image sharpness than C゛.
なお、本発明のアルミニウム合金の材質は特に制限され
ず、用途に応じた種々の成分系、組成のものが可能であ
る。また、他の圧延条件、塗装条件等も制限されないこ
とは云うまでもない。Note that the material of the aluminum alloy of the present invention is not particularly limited, and it is possible to use various component systems and compositions depending on the application. Moreover, it goes without saying that other rolling conditions, coating conditions, etc. are not limited.
次に本発明の実施例を示す。Next, examples of the present invention will be shown.
（実施例）
ＪＩＳ５１８２相当のＡＱ−Ｍｇ系のアルミニウム合金
製の圧延板（板厚：１．０ｍｍ）を、レーザー加工によ
り表面を種々に調整した圧延ロールを用いて圧延し、圧
痕の径及びピッチ、圧痕のない平坦な部分の面積率、板
の微小うねりＷＣＡをそれぞれ測定し、塗装後の鮮映性
を評価した。その結果を第１表に示す。(Example) A rolled plate made of AQ-Mg aluminum alloy (thickness: 1.0 mm) equivalent to JIS 5182 was rolled using a rolling roll whose surface was variously adjusted by laser processing, and the diameter and pitch of the indentation were measured. , the area ratio of a flat part with no indentations, and the minute waviness WCA of the board were measured to evaluate the image clarity after painting. The results are shown in Table 1.
なお、圧痕の径及びピッチ並びに圧痕のない平坦部分の
面積率は、板表面のＳＥＭ観察により測定した。微小う
ねりは表面粗さ測定器（サーフコーダＳ Ｅ−３０Ｄ）
により測定した。また鮮映性は、リン酸亜鉛処理後、下
塗（カチオン電着）→中塗（スプレー塗布）→上塗（ス
プレー塗布）を行い、市松模様を塗装面に映し、目視に
て評価した。Note that the diameter and pitch of the indentations and the area ratio of the flat portion without indentations were measured by SEM observation of the plate surface. Micro waviness can be detected using a surface roughness measuring device (Surfcoder SE-30D)
It was measured by The image clarity was evaluated visually by applying a base coat (cationic electrodeposition), an intermediate coat (spray coating), and a top coat (spray coating) after zinc phosphate treatment, and a checkered pattern was projected onto the painted surface.
同表中、本発明材Ｎα１〜Ｎｏ、 ５は圧痕の径及びピ
ッチ、圧痕のない平坦部分の面積率及び微小うねりＷＣ
Ａが本発明の範囲内に入るように、レーザー加工された
圧延ロールを用いて圧延したものである。また、比較材
Ｎｏ、 １〜Ｎα５は本発明の範囲外の表面性状を有す
る圧延板であり、これらの比較材のうち、Ｎα１〜Ｎα
４はレーザー加工された圧延ロールを用いて圧延したも
のであるが、Ｈａ ５はＲｏＤ、Ｃ，用の圧延ロールで
圧延したものである。In the same table, the present invention materials Nα1 to No. 5 are the diameter and pitch of the indentation, the area ratio of the flat part without an indentation, and the micro waviness WC.
Rolling was performed using a laser-processed rolling roll so that A was within the scope of the present invention. Moreover, comparative materials No. 1 to Nα5 are rolled plates having surface properties outside the range of the present invention, and among these comparative materials, Nα1 to Nα
4 was rolled using a laser-processed rolling roll, whereas Ha 5 was rolled using a rolling roll for RoD, C, and the like.
同表から明らかなように、 本発明材Ｎｏ、 １− Ｎｏ、 ５ は、 比較材と比べ、 鮮映性が良好である。As is clear from the table, Invention material No. 1- No. 5 teeth, Compared to comparative materials, Good image clarity.
【以下余白）
（発明の効果）
以上説明したように、本発明によれば、レーザー加工さ
れた圧延ロールを用いて、圧延板の表面性状として圧痕
の径及びピッチ、圧痕のない平坦部分の面積率、板の微
小うねりが所定の範囲になるように調整したので、Ｒ，
Ｄ、Ｃ，の優れた特性を劣化されることなく、塗装後の
鮮映性の優れたプレス成形加工用アルミニウム合金板を
得ることができる。[Margin below] (Effects of the invention) As explained above, according to the present invention, by using a laser-processed rolling roll, the surface properties of the rolled plate include the diameter and pitch of the indentation, and the area of the flat part without any indentation. Since the ratio and minute waviness of the plate were adjusted to be within the specified range, R,
It is possible to obtain an aluminum alloy plate for press forming with excellent image clarity after coating without deteriorating the excellent properties of D and C.
第１図は圧延板の表面における圧痕の径、ピッチ並びに
圧痕のない平坦な部分を説明する図、第２図は圧延板の
表面における圧痕の径り及びピッチＰの関係において圧
痕のない平坦な部分の面積率が６０％以上の範囲（Ｐ≧
１．４Ｄ）を示した説明図で、図中の斜線部が本発明範
囲を示している。
特許出願人 株式会社神戸製鋼所
代理人弁理士 中 村 尚
一
一Figure 1 is a diagram illustrating the diameter and pitch of the indentation on the surface of a rolled plate, as well as a flat area without an indentation. The area ratio of the part is 60% or more (P≧
1.4D), and the shaded area in the figure indicates the scope of the present invention. Patent applicant Shoichi Nakamura, patent attorney representing Kobe Steel, Ltd.
Claims (1)
ミニウム合金板において、該圧延ロールから転写された
円形状の圧痕の径が１００〜３００μｍ、ピッチが１５
０〜５００μｍで、圧痕のない平坦な部分の面積率が６
０％以上であり、板の微小うねりが１μｍ以下の範囲内
にあることを特徴とする鮮映性の優れたプレス成形加工
用アルミニウム合金板。In an aluminum alloy plate rolled using a laser-processed rolling roll, the diameter of the circular indentation transferred from the rolling roll is 100 to 300 μm, and the pitch is 15
0 to 500 μm, area ratio of flat part without indentation is 6
An aluminum alloy plate for press forming with excellent image clarity, characterized in that the micro waviness of the plate is within the range of 0% or more and 1 μm or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19293888A JPH0241703A (en) | 1988-08-02 | 1988-08-02 | Aluminum alloy sheet for press forming work having good image clearity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19293888A JPH0241703A (en) | 1988-08-02 | 1988-08-02 | Aluminum alloy sheet for press forming work having good image clearity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241703A true JPH0241703A (en) | 1990-02-09 |
Family
ID=16299502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19293888A Pending JPH0241703A (en) | 1988-08-02 | 1988-08-02 | Aluminum alloy sheet for press forming work having good image clearity |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241703A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04228210A (en) * | 1990-05-07 | 1992-08-18 | Aluminum Co Of America <Alcoa> | Method for rolling metallic material and method for adjusting surface of rolling roll |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62230402A (en) * | 1986-03-31 | 1987-10-09 | Kawasaki Steel Corp | Steel sheet to be painted and its production |
| JPS63132701A (en) * | 1986-11-25 | 1988-06-04 | Kawasaki Steel Corp | Steel sheet for painting and its production |
-
1988
- 1988-08-02 JP JP19293888A patent/JPH0241703A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62230402A (en) * | 1986-03-31 | 1987-10-09 | Kawasaki Steel Corp | Steel sheet to be painted and its production |
| JPS63132701A (en) * | 1986-11-25 | 1988-06-04 | Kawasaki Steel Corp | Steel sheet for painting and its production |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04228210A (en) * | 1990-05-07 | 1992-08-18 | Aluminum Co Of America <Alcoa> | Method for rolling metallic material and method for adjusting surface of rolling roll |
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