JPS5913018A - Hardening method by laser light - Google Patents
Hardening method by laser lightInfo
- Publication number
- JPS5913018A JPS5913018A JP11970482A JP11970482A JPS5913018A JP S5913018 A JPS5913018 A JP S5913018A JP 11970482 A JP11970482 A JP 11970482A JP 11970482 A JP11970482 A JP 11970482A JP S5913018 A JPS5913018 A JP S5913018A
- Authority
- JP
- Japan
- Prior art keywords
- pin
- laser beam
- irradiated
- hardened
- medium
- 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
Classifications
-
- 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
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は小物部品を焼入れするレーザー光線による焼入
れ方法の改良に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an improvement in a laser beam hardening method for hardening small parts.
従来、ピンや小ネジのような小物部品を、レーザー光線
゛を照射して焼入れする際に１この部品が小さ過ぎて全
体が高温になり、加熱後自然冷却だけでは十分節が入ら
ないうえ、局部焼入れが困難であり、またレーザー光線
の条件設定が困難であるという問題点があった。Conventionally, when small parts such as pins and machine screws are hardened by irradiating laser beams, the parts are too small and the whole becomes hot, and natural cooling after heating is not enough to create knots, and some parts may be hardened. There were problems in that hardening was difficult and it was difficult to set the conditions for the laser beam.
本発明は上記の点を考慮してなされたもので、その目的
とするところは、小物部品をレーザー光線によって照射
して容易Ｋかつ良好な焼入れをすることのできるレーザ
ー光線による焼入れ方法を提供することにある。The present invention has been made in consideration of the above points, and its purpose is to provide a method for hardening small parts using a laser beam, which allows easy and good hardening by irradiating small parts with a laser beam. be.
かかる目的を達成するために本発明は、被焼入−れ部材
に相対的に移動するレーザー光線を照射して加熱する際
に１前記レーザー光線を被焼入部材の表面に照射した照
射箇所が通過した直後に、この照射箇所に流体媒体を噴
射して照射箇所に局部焼入れすることにより、小物の被
焼入れ部材に容易かつ十分に焼入れすることをその特徴
とする。In order to achieve such an object, the present invention provides a method in which, when heating a member to be hardened by irradiating a relatively moving laser beam, 1. Immediately thereafter, a fluid medium is injected to the irradiated area to locally harden the irradiated area, thereby easily and sufficiently hardening small members to be hardened.
なお、被焼、入れ部材を回転させるとともに１流体 。In addition, one fluid is used while rotating the quenching and inserting member.
媒体を窒素カス又はチル′分ンガスのような不活性気体
とするか、あるいは水又は油のような液体媒体とするの
が好適である。Preferably, the medium is an inert gas, such as nitrogen gas or chilled gas, or a liquid medium, such as water or oil.
以下本発明の一実施例のレーザー光線による焼いて、一
部の表面のみ焼入れする小ものの被焼入れ部材１、例、
えばピンＯ０は、回転移動装置（１邊に取付けられる。The following is an example of a small member to be hardened, in which only a part of the surface is hardened by burning with a laser beam according to an embodiment of the present invention.
For example, pin O0 is attached to one side of the rotational movement device.
また回転移動装置ａ３はピンＱｌ）の回転及び移動を制
御装置−によって制御される。Further, the rotation and movement of the rotational movement device a3 is controlled by the control device - for the rotation and movement of the pin Ql).
一方例えば炭酸ガスレーザーのようなレーザー光線装置
はレーザー発振器Ｑｌよ多発生したレーザー光線（１６
ｇ）を筒αθ内を通し、筒（１７）内側に取付けられた
レンズ（ＩｓＫよって集束する。この集束されたレーザ
ー光線（１６ｂ）は筒面を通りピン（１１１の表面の照
射箇所（ｌ１ｇ）に照射される。まだレーザー発振器（
Ｉ！１９は制御装置（ｌ（至）と接続されてピン（１１
）を取付けた回転移動装置（Ｉ３と連動する。On the other hand, for example, a laser beam device such as a carbon dioxide laser generates a laser beam (16
g) is passed through the cylinder αθ and focused by the lens (IsK) installed inside the cylinder (17). This focused laser beam (16b) passes through the cylinder surface and hits the irradiation point (l1g) on the surface of the pin (111). Irradiated. Still laser oscillator (
I! 19 is connected to the control device (l (to)) and the pin (11
) is attached to the rotational movement device (I3).
そして、第２図に示すように筒ａＤに沿って支持金具（
ＩＩを介して支持されるノズル（至）を設け、この□
ノズフ翰の先端部（２０ａ）の位置は支持金具（ＩＩＫ
よって微調整できる。またノズル（至）には矢印で示し
た流体媒体（２１）を供給するパイプ（２２）を接続し
、流体媒体（２１）の供給も制御装置Ｑ３１１Ｃｊって
制御される。さらにノズル（至）の先端部（２０ａ）は
ピンＩのレーザー光線（１６ｂ）の照射箇所（ｌｌａ）
の近傍、図示では右側に配設する。、この轡合ピンα１
）−矢印人に示すように時計方向に回転する。なお、液
体媒体（２１）は気体媒体あるいは液体媒体からなり、
何れかをノズル（至）の先端部（２０ａ）から噴射する
ようになっている。気体媒体は例えば窒素ガスあるいは
アルゴンガスのような不活性ガスからなり、また液体媒
体は例えば水あるいは油である。Then, as shown in Fig. 2, a support fitting (
Provide a nozzle (to) supported through II, and this □
The position of the tip of the nozzle (20a) is the support metal fitting (IIK).
Therefore, fine adjustments can be made. Further, a pipe (22) for supplying a fluid medium (21) indicated by an arrow is connected to the nozzle (to), and the supply of the fluid medium (21) is also controlled by the control device Q311Cj. Furthermore, the tip (20a) of the nozzle (to) is the irradiation point (lla) of the laser beam (16b) of pin I.
It is placed in the vicinity of , on the right side in the illustration. , this mating pin α1
) - Rotate clockwise as shown by the arrow. In addition, the liquid medium (21) consists of a gas medium or a liquid medium,
Either one is injected from the tip (20a) of the nozzle. The gaseous medium is, for example, an inert gas, such as nitrogen gas or argon gas, and the liquid medium is, for example, water or oil.
次に本発明の作用効果を説明する。回転移動装置（１３
にピンａ１）を取付け、制御装置００指令によりピン（
１１）を回転させると同時に、制御装置０の指令によっ
てレーザー発振器←１によりレーザー光線（１６ｂ）を
ピン（１１）Ｋ照射する。ピンＱｌ）は回転している（
３）
ので照射箇所（ｌｌａ）が照射され九直後に、この・照
射箇所（ｌｌａ）の、近傍、すなわちすぐ前にノズル＠
の先端部（２０ａ）が配設されているので、制御装置ａ
障と接続されている図示しない流体媒、体供給源から制
御装置（１３０指令によって流体媒体（２１）が噴射さ
“れる。Next, the effects of the present invention will be explained. Rotary movement device (13
Attach pin a1) to the pin (
11), and at the same time, the pin (11) K is irradiated with a laser beam (16b) by the laser oscillator←1 according to a command from the control device 0. Pin Ql) is rotating (
3) Therefore, immediately after the irradiation point (lla) is irradiated, the nozzle @
Since the tip (20a) of the control device a is disposed,
A fluid medium (21) is injected by a control device (130 command) from a fluid medium supply source (not shown) connected to a fluid source.
した、かってピンａ１）、は照射直後１に流体媒体（至
）を、噴射されて急速に冷却されて焼入れできる。Immediately after the irradiation, the pin a1) is injected with a fluid medium and rapidly cooled and hardened.
流体媒体が窒素ガスあるいはアルゴンガスのような不活
性ガスの場合は、照射箇所は・直ちに不活性ガスによつ
、て覆われるため、酸化されることなくきれいな表面を
有する焼入れができ４る。また水おるいは油のよう含液
、体媒体を噴射・した場合は不活性ガスの場合より冷却
効果をさらに大きくすることができる。When the fluid medium is an inert gas such as nitrogen gas or argon gas, the irradiated area is immediately covered with the inert gas, so that quenching with a clean surface can be achieved without oxidation. Furthermore, when a liquid or body medium such as water or oil is injected, the cooling effect can be made even greater than when using an inert gas.
、なお１．被焼入れ部、材が長いものの場合は、制御装
置００指令によって被焼入れ部材を回転させながら送９
をを、けて移動させて５連続して照射及び冷却するこ、
とによって良好な焼入れができる０〔発明の効果〕
・、・５ ・以上説明し、たように本発明
のレーザー光線に１よる焼入れ方法によ、・れば、小物
の被焼入れ部材に容易かつ良好な焼入れをすることがで
きる。, Note that 1. If the part or material to be hardened is long, the part to be hardened is rotated and fed 9 by the control device 00 command.
5 consecutive irradiations and cooling by moving the
0 [Effects of the invention]
. . . 5 As explained above, by using the laser beam quenching method of the present invention as described above, small members to be quenched can be easily and well quenched.
第１図及び第２図は本発明のレーザー光線による焼入１
れ方法を示す側面図及び一部断面正商図である。
・
■・・・ピン、“（１１ａ）・−・照射箇所、輪・・・
回転移動装置、峙・・・制゛御装置、ａ９・・・レーザ
ー発′振器、 ゛（１６ａ）、（１６ｂ） ＝−レー
ザー光線、（１？）−・・筒、ａＳ ・・・レンズ、（
至）−・ノズル、（２０ａ）・−・先端部、（２１）・
・・流体媒体、（２２）−−・パイプ、
１（Figures 1 and 2 show hardening 1 by laser beam of the present invention.
FIG. 2 is a side view and a partially cross-sectional regular quotient view showing a method of
・■...Pin, "(11a)...Irradiation point, ring...
Rotation movement device, control device, a9...laser oscillator, (16a), (16b) =-laser beam, (1?)--tube, aS...lens, (
To)--Nozzle, (20a)--Tip, (21)-
... Fluid medium, (22) --- Pipe, 1 (
Claims (3)
する際に、前記レーザー光線を被焼入れ部材に照射した
照射箇所が通過した直後に、この照射箇所に流体媒体を
噴射して前記照射箇所に焼入れをすることを特徴とする
レーザー光線による焼入れ方法０(1) When heating a member to be hardened by irradiating a laser beam, immediately after the laser beam passes through the irradiated part, a fluid medium is injected to the irradiated part to harden the irradiated part. A hardening method using a laser beam characterized by
な不活性ガスとした特許請求の範囲第１項記載のレーザ
ー光線による焼入れ方法。(2) The method of hardening using a laser beam according to claim 1, wherein the fluid medium is an inert gas such as nitrogen gas or argon gas.
た特許請求の範囲第１項記載のレーザー光線による焼入
れ方法。(3) A method for hardening using a laser beam according to claim 1, wherein the fluid medium is a liquid medium such as water or oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11970482A JPS5913018A (en) | 1982-07-12 | 1982-07-12 | Hardening method by laser light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11970482A JPS5913018A (en) | 1982-07-12 | 1982-07-12 | Hardening method by laser light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5913018A true JPS5913018A (en) | 1984-01-23 |
Family
ID=14768014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11970482A Pending JPS5913018A (en) | 1982-07-12 | 1982-07-12 | Hardening method by laser light |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5913018A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01316416A (en) * | 1988-06-17 | 1989-12-21 | Nippon Steel Corp | Heat treating method for partial surface by laser beam and apparatus thereof |
| GB2373792A (en) * | 2001-03-27 | 2002-10-02 | Visteon Global Tech Inc | Laser hardening of disc brake rotors |
| KR20200002108A (en) * | 2018-06-29 | 2020-01-08 | (주)에이치아이티오토모티브 | Heat treatment apparatus for small material |
-
1982
- 1982-07-12 JP JP11970482A patent/JPS5913018A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01316416A (en) * | 1988-06-17 | 1989-12-21 | Nippon Steel Corp | Heat treating method for partial surface by laser beam and apparatus thereof |
| GB2373792A (en) * | 2001-03-27 | 2002-10-02 | Visteon Global Tech Inc | Laser hardening of disc brake rotors |
| KR20200002108A (en) * | 2018-06-29 | 2020-01-08 | (주)에이치아이티오토모티브 | Heat treatment apparatus for small material |
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