JP2012139698A5 - - Google Patents

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Publication number
JP2012139698A5
JP2012139698A5 JP2010292539A JP2010292539A JP2012139698A5 JP 2012139698 A5 JP2012139698 A5 JP 2012139698A5 JP 2010292539 A JP2010292539 A JP 2010292539A JP 2010292539 A JP2010292539 A JP 2010292539A JP 2012139698 A5 JP2012139698 A5 JP 2012139698A5
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Japan
Prior art keywords
laser
steel material
marking method
laser marking
heat
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Pending
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JP2010292539A
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Japanese (ja)
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JP2012139698A (en
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Priority to JP2010292539A priority Critical patent/JP2012139698A/en
Priority claimed from JP2010292539A external-priority patent/JP2012139698A/en
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Description

本発明では、（２）レーザの焦点位置を被印字面からレーザ光軸沿いに鋼材の外側又は内側に５ｍｍ〜３０ｍｍ離間させてもよい。又、（３）耐熱塗料の塗布前に予め被印字面をワイヤブラシで研削することが好ましく、又、（４）耐熱塗料の色を、白色、薄茶色、青色、黄色のいずれかとすることが好ましく、又、（５）前記鋼材は、３５０℃〜室温の鋼材であることが好ましい。
又、本発明は、（６）前記(１)〜(５)のいずれかに記載の方法によりレーザマーキングされた鋼材である。 In the present invention, (2) the focal position of the laser may be separated from the surface to be printed by 5 mm to 30 mm along the laser optical axis outside or inside the steel material. Further, (3) it is preferable to grind the printed surface with a wire brush in advance before applying the heat resistant paint, and (4) the color of the heat resistant paint is any one of white, light brown, blue and yellow. Preferably, (5) the steel material is a steel material at 350 ° C. to room temperature.
Moreover, this invention is (6) steel materials laser-marked by the method in any one of said (1)-(5).

Figure 2012139698
Figure 2012139698

Claims (6)

被印字面とされた鋼材端面に耐熱塗料を塗布後、レーザを照射して前記塗料を焼付けて炭化させることにより、一字又は複数の字の一連からなる記号を印字するにあたり、レーザの照射回数を一字ごとに複数回ずつとすることを特徴とするレーザマーキング方法。   The number of times of laser irradiation when printing a symbol consisting of a series of one or more characters by applying a heat-resistant paint to the end surface of the steel material to be printed and then irradiating a laser to burn and carbonize the paint. A laser marking method characterized in that a plurality of times per character. レーザの焦点位置を被印字面からレーザ光軸沿いに鋼材の外側又は内側に５ｍｍ〜３０ｍｍ離間させることを特徴とする請求項１に記載のレーザマーキング方法。   2. The laser marking method according to claim 1, wherein the focal position of the laser is separated from the surface to be printed by 5 mm to 30 mm along the laser optical axis to the outside or inside of the steel material. 耐熱塗料の塗布前に予め被印字面をワイヤブラシで研削することを特徴とする請求項１又は２に記載のレーザマーキング方法。   3. The laser marking method according to claim 1, wherein the printing surface is ground with a wire brush in advance before application of the heat-resistant paint. 耐熱塗料の色を、白色、薄茶色、青色、黄色のいずれかとすることを特徴とする請求項１〜３のいずれかに記載のレーザマーキング方法。   The laser marking method according to any one of claims 1 to 3, wherein the color of the heat-resistant paint is any one of white, light brown, blue, and yellow. 前記鋼材は、３５０℃〜室温の鋼材であることを特徴とする請求項１〜４のいずれかに記載のレーザマーキング方法。   The laser marking method according to claim 1, wherein the steel material is a steel material at 350 ° C. to room temperature. 請求項１〜５に記載のいずれかの方法によりレーザマーキングされた鋼材。  A steel material laser-marked by the method according to any one of claims 1 to 5.
JP2010292539A 2010-12-28 2010-12-28 Laser marking method Pending JP2012139698A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010292539A JP2012139698A (en) 2010-12-28 2010-12-28 Laser marking method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010292539A JP2012139698A (en) 2010-12-28 2010-12-28 Laser marking method

Publications (2)

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JP2012139698A JP2012139698A (en) 2012-07-26
JP2012139698A5 true JP2012139698A5 (en) 2013-10-03

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6243469A (en) * 1985-08-22 1987-02-25 Tokyo Ririifu Kk Rust-proofing paint
JPH07204872A (en) * 1994-01-25 1995-08-08 Nippon Steel Corp Marking method by laser beam
JP2002346633A (en) * 2001-05-29 2002-12-03 Daido Steel Co Ltd Method for laser marking
JP4030731B2 (en) * 2001-06-20 2008-01-09 株式会社日立製作所 Laser marking control method
JP2007306944A (en) * 2005-01-21 2007-11-29 Olympus Corp Endoscope, medical appliance for endoscope, and method for display thereof
JP4519105B2 (en) * 2006-03-10 2010-08-04 株式会社ニレコ Marking apparatus and marking method

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