JPS61195893A - Marking method for steel plate - Google Patents
Marking method for steel plateInfo
- Publication number
- JPS61195893A JPS61195893A JP60036195A JP3619585A JPS61195893A JP S61195893 A JPS61195893 A JP S61195893A JP 60036195 A JP60036195 A JP 60036195A JP 3619585 A JP3619585 A JP 3619585A JP S61195893 A JPS61195893 A JP S61195893A
- Authority
- JP
- Japan
- Prior art keywords
- steel plate
- laser
- stored
- area
- symbols
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
Landscapes
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、船舶用のスチフナなどの部材を切り取るだ
めの大型の鋼板に部材名、取付方向などの文字、記号を
印字する鋼板印字方法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a steel plate printing method for printing characters and symbols such as a member name and installation direction on a large steel plate from which a member such as a stiffener for a ship is cut. .
一般に、船舶用の部材等を１枚の大型の鋼板から複数個
切り取る場合、各部材の切り取りに先立ち、鋼板の各部
材の切取位置にそれぞれの目印として部材名、取付方向
などの文字、記号を印字し、切り取った各部材の判別を
容易に行なえるようにしており、通常、特定のペンを用
いた手書きによる所定の文字等の印字、あるいは電子け
がき装置（ＫＰＭ）による所定の文字等の自動印字が行
なわれている。Generally, when cutting out multiple parts such as parts for ships from a single large steel plate, before cutting out each part, characters or symbols indicating the part name, mounting direction, etc. are marked at the cutting position of each part of the steel plate. It is designed to make it easy to identify each printed and cut out part.Usually, predetermined characters, etc. are printed by hand with a specific pen, or predetermined characters, etc. are printed by an electronic marking device (KPM). Automatic printing is in progress.
ところが、前記した手書きによる印字の場合、作業者に
多大な負担を強いることになり、作業能率が悪いという
問題があり、前記したＥＰＭによる自動印字の場合、自
動化により作業能率の向上を図ることができる反面、感
光剤や定着剤等が必要となり、高価になるという問題が
ある。However, in the case of the above-mentioned handwritten printing, there is a problem that it imposes a heavy burden on the worker and the work efficiency is low.In the case of the above-mentioned automatic printing by EPM, it is not possible to improve the work efficiency through automation. Although it is possible, there is a problem in that it requires a photosensitizer, a fixing agent, etc., and is expensive.
この話明は、前記の点に留意してなされたものであり、
大型の鋼板に部材名、取付方向などの文字、記号を印字
する鋼板印字方法において、前記鋼板をメツシュ状の複
数の微小エリアに分割し、分割した前記各エリアのうち
所定の文字、記号の印字位置に該当するエリアを予め選
定して記憶手段に記憶させ、前記鋼板をコンベア等の移
動手段により移動させ、レーザ発振器によるレーザ光軸
を走査手段により前記鋼板の移動方向に直交する方向に
高速で往復走査させると同時に、前記発振器のレーザ発
振を発振制御手段により断続させ、前記記憶手段に記憶
された前記各エリアにだけ前記レーザ光を照射して前記
鋼板表面を溶解、蒸発させ、印字することを特徴とする
鋼板印字方法である。This statement has been made with the above points in mind,
In a steel plate printing method that prints characters and symbols such as component names and mounting directions on a large steel plate, the steel plate is divided into a plurality of mesh-like minute areas, and predetermined characters and symbols are printed in each of the divided areas. The area corresponding to the position is selected in advance and stored in a storage means, the steel plate is moved by a moving means such as a conveyor, and the laser optical axis of a laser oscillator is moved at high speed in a direction perpendicular to the moving direction of the steel plate by a scanning means. At the same time as reciprocating scanning, the laser oscillation of the oscillator is intermittent by an oscillation control means, and the laser beam is irradiated only on each of the areas stored in the storage means to melt and evaporate the surface of the steel plate and print. This is a steel plate printing method characterized by:
したがって、この＆咽では、鋼板がメツシュ状の複数の
微小エリアに分割され、分割した各エリアのうち所定の
文字、記号の印字位置に該当するエリアが予め選定され
て記憶手段に記憶され、鋼板がコンベア等の移動手段に
より移動され、レーザ発振器によるレーザ光軸が走査手
段により鋼板の移動方向に直交する方向に高速で往復走
査され為と同時に、レーザ発振器のレーザ発振が発振制
御手段により断続され、記憶手段に記憶された各エリア
にだけレーザ光が照射されて鋼板表面だ溶解、蒸発され
、鋼板に所定の文字、記号等が印字される。Therefore, in this method, a steel plate is divided into a plurality of mesh-like minute areas, and from each of the divided areas, an area corresponding to the printing position of a predetermined character or symbol is selected in advance and stored in a storage means, and the steel plate is is moved by a moving means such as a conveyor, and the laser optical axis of the laser oscillator is scanned back and forth at high speed in a direction perpendicular to the moving direction of the steel plate by the scanning means.At the same time, the laser oscillation of the laser oscillator is intermittent by the oscillation control means. The laser beam is irradiated only on each area stored in the storage means, and the surface of the steel plate is melted and evaporated, and predetermined characters, symbols, etc. are printed on the steel plate.
つぎに、この１１哩の１実施例を示す図面について詳細
に説明する。Next, the drawings showing one embodiment of this 11-meter system will be described in detail.
第１図において、（１）は移動手段であるチェーンコン
ベア（２）上に載置されて定速で移動される大型の鋼板
、（３）は受配電盤（４）、記憶手段および数値制御手
段等を備えた主制御装置（５）、操作盤（６）が配設さ
れた運転操作室、（７）はレーザ室であり、レーザ発振
器（８）、走査手段および発振制御手段からなるレーザ
制御装置（９）が配役されており、主制御装置（５）か
らの主制御信号にもとづきレーザ制御装置（９）から出
力される走査制御信号１発振制御値号によシ、レーザ発
振器（８）が鋼板（１］の移動方向に直交する方向、す
なわち鋼板（１）の幅方向に走査されると同時に発振器
（８）がレーザ溌振して鋼板（１）の所定箇所にレーザ
光を照射し、所定の文字、記号を印字する。In Fig. 1, (1) is a large steel plate placed on a chain conveyor (2) which is a moving means and is moved at a constant speed, (3) is a switchboard (4), a storage means and a numerical control means. A main control device (5) is equipped with a main controller (5), an operation control room is equipped with an operation panel (6), and (7) is a laser room, which is a laser control unit consisting of a laser oscillator (8), a scanning means, and an oscillation control means. A laser oscillator (8) is provided with a scanning control signal 1 oscillation control value number outputted from the laser control device (9) based on the main control signal from the main control device (5). is scanned in a direction perpendicular to the direction of movement of the steel plate (1), that is, in the width direction of the steel plate (1), and at the same time, the oscillator (8) vibrates the laser and irradiates a predetermined location on the steel plate (1) with laser light. , print predetermined characters and symbols.
そして、たとえば幅５ｍ、長さ２５ｍの大型鋼板（１）
に所定の文字、記号を印字する場合、主制御装置（５）
の数値制御手段に鋼板（１）の大きさを入力し、鋼板（
１）を第２図に示すように、幅方向、長さ方向ともに０
．５ｆｌごとにメツシュ状に細分化し、鋼板＋１）を１
０行、５ＸｌＯ列、すなわち５×１０個の微小エリアＡ
に分割し、分割した各エリアＡに、第２図に示すように
、各エリアの行位置９列位置を示す番地Ａ（ｉ、ｊ）（
ただしｉ＝１．・・・、 １００００およびｊ＝１゜・
・・、５００００ ）を付して主制御装置（５）の記憶
手段に記゛憶させ、分割した各エリアＡのうち所定の文
字。For example, a large steel plate (1) with a width of 5 m and a length of 25 m.
When printing predetermined characters and symbols on the main controller (5)
Input the size of the steel plate (1) into the numerical control means of the steel plate (
1) is 0 in both the width and length directions as shown in Figure 2.
．． Divide into mesh shapes every 5 fl, and add 1 steel plate + 1)
0 row, 5XlO column, that is, 5 x 10 small areas A
As shown in Figure 2, each divided area A is given an address A(i,j)(
However, i=1. ..., 10000 and j=1゜・
..., 50000) and stored in the storage means of the main controller (5), and predetermined characters in each divided area A.
記号の印字位置に該当するエリアＡを予め選定し、選定
したエリアＡの番地を前記記憶手段に記憶させておく。An area A corresponding to the printing position of the symbol is selected in advance, and the address of the selected area A is stored in the storage means.
つぎに、鋼板（１）をコンベア＋２］上に載置し、主制
御装置（５）からの主制御信号によりコンベア（２）を
駆動し、前記数値制御手段に予め設定入力した速度で鋼
板（１）を第１図中の実線矢印方向に定速移動させ、第
３図中の矢印に示すように、レーザ制御装置（９）の走
査手段からの走査制御信号によりレーザ発振器（８）の
レーザ光軸を、鋼板（１）が１ｆｆ移動する間に１回往
復するよう、所定速度で往復走査させると同時に、レー
ザ制御装置（９）の発振制御手段からの発振制御信号に
より発振器（８）を断続発振させ、第４図中の丸印に示
すように前記記憶手段に記憶させた印字位置に該当する
番地のエリアＡにだけ微小スポット径のレーザ光を照射
して鋼板（１）の表面あるいは表面に塗布されたショッ
ププライマーを深さ約０．１ｍ程度溶解、蒸発させ、第
５図に示すように、鋼板（１］に予めけがかれたスチフ
ナ等の各部材の部材名、取付方向等を示す“ＩＳＴ”、
“５Ｔ−１”。Next, the steel plate (1) is placed on the conveyor +2, and the conveyor (2) is driven by the main control signal from the main controller (5), and the steel plate ( 1) at a constant speed in the direction of the solid arrow in FIG. 1, and as shown by the arrow in FIG. The optical axis is reciprocated at a predetermined speed so that the steel plate (1) reciprocates once every 1ff of movement, and at the same time, the oscillator (8) is activated by an oscillation control signal from the oscillation control means of the laser control device (9). The surface of the steel plate (1) or Melt and evaporate the shop primer applied to the surface to a depth of approximately 0.1 m, and as shown in Figure 5, mark the names and mounting directions of each member such as the stiffener that has been pre-marked on the steel plate (1). "IST",
“5T-1”.
“＋２−２８Ｔ″、“１８８Ｔ″などの文字、記号等を
印字する。Characters, symbols, etc. such as "+2-28T" and "188T" are printed.
このとき、コンベア（２）による鋼板（１１の移動速度
Ｖｐを１０ｍ／分とすると、鋼板＋１１が１鱈移動する
のに要する時間は約０．００６秒となり、レーザ発振器
（８）のレーザ光軸が約０．００６秒で１往復走査、す
なわち幅５ｍの鋼板（１）を１往復するためには、レー
ザ光軸の走査速度Ｖｓを、次式のように、ＶＳ ＝ ］
０ｍ１０．００６秒＝ １７００ｍ／秒１７００ｍ／秒
に設定すればよく、レーザ光軸の走査を発振器（８）の
出口近辺に回転自在に設けた反射鏡の首振りにより行な
う場合には、前記反射鏡が約１６７回／秒（＝Ｉ１０．
００６秒）で首振りを行なうようにする。At this time, if the moving speed Vp of the steel plate (11) by the conveyor (2) is 10 m/min, the time required for the steel plate +11 to move one cod is approximately 0.006 seconds, and the laser optical axis of the laser oscillator (8) In order to make one reciprocating scan in approximately 0.006 seconds, that is, to make one reciprocating motion on the steel plate (1) with a width of 5 m, the scanning speed Vs of the laser optical axis is determined as follows, VS = ]
0 m 10.006 seconds = 1700 m/sec 1700 m/sec. is about 167 times/second (=I10.
006 seconds) to make the head swing.
ものとする。shall be taken as a thing.
さらに、発振器（８）は最高１秒当り８′４４ Ｘ １
０ 回（＝２ｘｌＯ１０，００６秒）の繰り返し発振
が可能なように設定されているものとする。Furthermore, the oscillator (8) has a maximum speed of 8'44 x 1 per second.
It is assumed that the setting is such that repeated oscillation is possible 0 times (=2xlO10,006 seconds).
なお、各エリアＡのピッチおよびレーザ光のスポット径
を０．５ ｔｍより小さくしてもよいことは勿論である
。Note that it goes without saying that the pitch of each area A and the spot diameter of the laser beam may be smaller than 0.5 tm.
以上のように、この発明の鋼板印字方法によると、鋼板
（１）に部材名、取付方向などの所定の文字。As described above, according to the steel plate printing method of the present invention, predetermined characters such as member names and mounting directions are printed on the steel plate (1).
記号等をレーザ光の照射により印字するため、作業能率
の向上を図ることができるとともに、ＥＰＭによる印字
の場合のような感光剤や定着剤が不要で安価になり、そ
の効果は非常に顕著である。Since symbols, etc. are printed by irradiation with laser light, it is possible to improve work efficiency, and the cost is reduced because there is no need for photosensitizers or fixing agents, which are required when printing with EPM, and the effect is very noticeable. be.
また、レーザ光のスポット径が０．５ｆｌと微小である
ため、印字精度も±０．５ ｍと高くすることができる
。Furthermore, since the spot diameter of the laser beam is as small as 0.5 fl, printing accuracy can be increased to ±0.5 m.
図面は、この発明の鋼板印字方法の１実施例を示し、第
１図は斜視図、第２図は複数個の微小エリアに分割した
鋼板の平面図、第３図および第４図は印字時の動作説明
用の平面図、第５図は文字。
記号等が印字された鋼板の平面図である。
（Ｌ）・・・鋼板、（２）・・・コンベア、（５）・・
・主制御装置、（８）・・・レーザ発振器、（９）・・
・レーザ制御装置。The drawings show one embodiment of the steel plate printing method of the present invention, in which Fig. 1 is a perspective view, Fig. 2 is a plan view of a steel plate divided into a plurality of micro areas, and Figs. 3 and 4 are views during printing. A plan view for explaining the operation, Figure 5 is the text. FIG. 2 is a plan view of a steel plate on which symbols and the like are printed. (L)...Steel plate, (2)...Conveyor, (5)...
・Main controller, (8)...Laser oscillator, (9)...
・Laser control device.
Claims (1)
を印字する鋼板印字方法において、前記鋼板をメッシュ
状の複数の微小エリアに分割し、分割した前記各エリア
のうち所定の文字、記号の印字位置に該当するエリアを
予め選定して記憶手段に記憶させ、前記鋼板をコンベア
等の移動手段によシ移動させ、レーザ発振器によるレー
ザ光軸を走査手段により前記鋼板の移動方向に直交する
方向に高速で往復走査させると同時に、前記発振器のレ
ーザ発振を発振制御手段により断続させ、前記記憶手段
に記憶された前記各エリアにだけ前記レーザ光を照射し
て前記鋼板表面を溶解、蒸発させ、印字することを特徴
とする鋼板印字方法。(1) In a steel plate printing method in which characters and symbols such as component names and mounting directions are printed on a large steel plate, the steel plate is divided into a plurality of mesh-like minute areas, and predetermined characters from each of the divided areas, The area corresponding to the printing position of the symbol is selected in advance and stored in a storage means, the steel plate is moved by a moving means such as a conveyor, and the laser optical axis of a laser oscillator is made perpendicular to the moving direction of the steel plate by a scanning means. At the same time, the laser oscillation of the oscillator is intermittent by the oscillation control means, and the laser beam is irradiated only on each of the areas stored in the storage means to melt and evaporate the surface of the steel plate. A steel plate printing method characterized by printing on a steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60036195A JPS61195893A (en) | 1985-02-25 | 1985-02-25 | Marking method for steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60036195A JPS61195893A (en) | 1985-02-25 | 1985-02-25 | Marking method for steel plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61195893A true JPS61195893A (en) | 1986-08-30 |
| JPH0422154B2 JPH0422154B2 (en) | 1992-04-15 |
Family
ID=12462943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60036195A Granted JPS61195893A (en) | 1985-02-25 | 1985-02-25 | Marking method for steel plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61195893A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63205291A (en) * | 1987-02-23 | 1988-08-24 | Nkk Corp | Laser marking method |
| WO2000074889A1 (en) * | 1999-06-09 | 2000-12-14 | The University Of Tennessee Research Corporation | Method for marking steel and aluminum alloys |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5586693A (en) * | 1978-12-09 | 1980-06-30 | Hoesch Werke Ag | Method and apparatus for marking onto moving sheet and surface of beltlike body |
| JPS5619794A (en) * | 1979-07-27 | 1981-02-24 | Shinko Electric Co Ltd | Marking method by laser beam |
| JPS5722821A (en) * | 1980-07-14 | 1982-02-05 | Nippon Steel Corp | Marking device for steel strip |
| JPS6213117A (en) * | 1985-07-10 | 1987-01-21 | Toshiba Corp | Signal generator |
-
1985
- 1985-02-25 JP JP60036195A patent/JPS61195893A/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5586693A (en) * | 1978-12-09 | 1980-06-30 | Hoesch Werke Ag | Method and apparatus for marking onto moving sheet and surface of beltlike body |
| JPS5619794A (en) * | 1979-07-27 | 1981-02-24 | Shinko Electric Co Ltd | Marking method by laser beam |
| JPS5722821A (en) * | 1980-07-14 | 1982-02-05 | Nippon Steel Corp | Marking device for steel strip |
| JPS6213117A (en) * | 1985-07-10 | 1987-01-21 | Toshiba Corp | Signal generator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63205291A (en) * | 1987-02-23 | 1988-08-24 | Nkk Corp | Laser marking method |
| WO2000074889A1 (en) * | 1999-06-09 | 2000-12-14 | The University Of Tennessee Research Corporation | Method for marking steel and aluminum alloys |
| US6497985B2 (en) * | 1999-06-09 | 2002-12-24 | University Of Tennessee Research Corporation | Method for marking steel and aluminum alloys |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0422154B2 (en) | 1992-04-15 |
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