JPH1029104A - Edge tool material having excellent wear/corrosion resistance and its manufacture - Google Patents
Edge tool material having excellent wear/corrosion resistance and its manufactureInfo
- Publication number
- JPH1029104A JPH1029104A JP8213977A JP21397796A JPH1029104A JP H1029104 A JPH1029104 A JP H1029104A JP 8213977 A JP8213977 A JP 8213977A JP 21397796 A JP21397796 A JP 21397796A JP H1029104 A JPH1029104 A JP H1029104A
- Authority
- JP
- Japan
- Prior art keywords
- stainless steel
- cutting
- clad material
- thickness
- corrosion resistance
- 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
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/10—Non-chemical treatment
- C03B37/16—Cutting or severing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Carbon And Carbon Compounds (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、光ファイバー、繊
維強化プラスチックをはじめとする難切削材の切断また
は切削に使用する耐摩耗性・耐食性に優れた刃物用クラ
ッド材およびその製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clad material for cutting tools excellent in wear resistance and corrosion resistance used for cutting or cutting hard-to-cut materials such as optical fibers and fiber-reinforced plastics, and a method for producing the same.
【０００２】[0002]
【従来の技術】従来、光ファイバー、繊維強化プラスチ
ックなどの切断または切削にはＪＩＳＳＫＨ５１などの
高速度工具鋼製の刃物が使用されていた。2. Description of the Related Art Hitherto, high-speed tool steel such as JISSKH51 has been used for cutting or cutting optical fibers and fiber-reinforced plastics.
【０００３】しかし、従来の高速度工具鋼の刃物は、摩
耗が大きく、短時間で変形するため、長時間にわたって
高い加工精度を維持することができず、加工精度を維持
するためには刃物を頻繁に交換する必要があった。[0003] However, conventional high-speed tool steel cutting tools have high wear and are deformed in a short time, so that high processing accuracy cannot be maintained for a long time. Needed frequent replacement.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、上記の現状
に鑑みてなされたもので、光ファイバー、繊維強化プラ
スチックなどを切断または切削しても摩耗量が少なく、
特に、腐食環境においても腐食損耗の少ない刃物用クラ
ッド材およびその製造方法を提供することを目的とす
る。SUMMARY OF THE INVENTION The present invention has been made in view of the above situation, and has a small amount of wear even when cutting or cutting optical fibers, fiber-reinforced plastics, and the like.
In particular, it is an object of the present invention to provide a clad material for a cutting tool that is less corroded and worn even in a corrosive environment and a method for manufacturing the same.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、本発明の耐摩耗性・耐食性に優れた刃物用クラッド
材は、ステンレス鋼／ＴｉＣ／ステンレス鋼の３層構造
としたことを特徴とする。In order to achieve the above object, the cladding material for cutting tools of the present invention, which has excellent wear resistance and corrosion resistance, has a three-layer structure of stainless steel / TiC / stainless steel. And
【０００６】また、本発明の耐摩耗性・耐食性に優れた
刃物用クラッド材の製造方法は、ステンレス鋼／ＴｉＣ
／ステンレス鋼からなる３層クラッド材とし、当該３層
クラッド材を熱処理して刃物用ステンレス鋼を焼入硬化
させるとともに、刃物用ステンレス鋼が含むＣとＴｉ合
金が含むＴｉとによってＴｉＣを生成させて刃物用ステ
ンレス鋼／ＴｉＣ／刃物用ステンレス鋼の３層構造とし
たことを特徴とする。Further, the method for producing a clad material for cutting tools excellent in wear resistance and corrosion resistance according to the present invention is disclosed in
/ Three-layer clad material made of stainless steel, heat-treating the three-layer clad material to quench harden the stainless steel for the blade, and generate TiC by C contained in the stainless steel for the blade and Ti contained in the Ti alloy. It has a three-layer structure of stainless steel for cutting tools / TiC / stainless steel for cutting tools.
【０００７】[0007]
【発明の実施の形態】本発明に使用するステンレス鋼
は、刃物にも使用するマルテンサイト系ステンレス鋼
で、ＪＩＳに規定されるＳＵＳ４２０Ｊ１、ＳＵＳ４２
０Ｊ２、ＳＵＳ４２０Ｆ、ＳＵＳ４４０Ａなどが好まし
い材料である。BEST MODE FOR CARRYING OUT THE INVENTION The stainless steel used in the present invention is a martensitic stainless steel used for cutting tools, and is SUS420J1, SUS42 specified in JIS.
0J2, SUS420F, SUS440A and the like are preferred materials.
【０００８】本発明に使用するＴｉ合金は、ステンレス
鋼／Ｔｉ合金／ステンレス鋼からなる３層構造のクラッ
ド材を製造する際に加える圧延、鍛造などの加工に耐え
得る限りにおいて、前記Ｔｉ合金の強度、靭延性を高め
るために添加するＡｌ、Ｖ、Ｓｎ、Ｚｒ、Ｍｏなどの合
金元素および不可避的不純物元素を含むことができる。[0008] The Ti alloy used in the present invention is made of the above-mentioned Ti alloy as long as it can withstand the processing such as rolling and forging added when producing a clad material having a three-layer structure of stainless steel / Ti alloy / stainless steel. Alloy elements such as Al, V, Sn, Zr, and Mo and unavoidable impurity elements added to enhance strength and toughness can be included.
【０００９】本発明の耐摩耗性・耐食性に優れた刃物用
クラッド材の製造方法に用いるステンレス鋼／Ｔｉ合金
／ステンレス鋼からなる３層クラッド材は、２枚のステ
ンレス鋼板の間にＴｉ合金を挟み、圧延、鍛造その他の
クラッド材製造方法によって前記金属の各層間を密着し
て製造する。[0009] The three-layer clad material of stainless steel / Ti alloy / stainless steel used in the method for producing a clad material for cutting tools excellent in wear resistance and corrosion resistance of the present invention comprises a Ti alloy between two stainless steel plates. It is manufactured by sandwiching, rolling, forging and other clad material manufacturing methods so that the metal layers are in close contact with each other.
【００１０】本発明における熱処理は、ステンレス鋼を
焼入硬化するとともに、ステンレス鋼が含むＣとＴｉ合
金中のＴｉとを化合させてＴｉＣを生成させるために行
うものである。熱処理の加熱温度は、ステンレス鋼の焼
入温度とする。加熱時間は、クラッド材のＴｉ合金の厚
さおよび焼入温度によって異なるが、前記Ｔｉ合金の厚
さの中央部においてＴｉＣが生成するのに十分な時間と
する。また、加熱雰囲気は、大気、還元性雰囲気および
不活性ガスのいずれでもよい。[0010] The heat treatment in the present invention is performed to harden and harden the stainless steel and to combine Ti contained in the Ti alloy with C contained in the stainless steel to generate TiC. The heating temperature of the heat treatment is the quenching temperature of the stainless steel. The heating time varies depending on the thickness and quenching temperature of the Ti alloy of the clad material, but is set to a time sufficient for generating TiC at the center of the thickness of the Ti alloy. The heating atmosphere may be any of the air, a reducing atmosphere, and an inert gas.
【００１１】[0011]
【作用】本発明の耐摩耗性・耐食性に優れた刃物用クラ
ッド材は、ステンレス鋼／ＴｉＣ／ステンレス鋼からな
る３層構造であるために、硬いが脆い性質のＴｉＣの脆
さをステンレス鋼の靭性で補うことができ、全体として
は靭性があり刃物材として適したものである。The clad material for cutting tools of the present invention, which is excellent in wear resistance and corrosion resistance, has a three-layer structure of stainless steel / TiC / stainless steel. It can be supplemented by toughness, and has toughness as a whole and is suitable as a blade material.
【００１２】本発明の耐摩耗性・耐食性に優れた刃物用
クラッド材を用いてＴｉＣの部分を切刃部とする刃物を
作れば、刃先の耐摩耗性が優れたものとすることができ
る。さらに、ステンレス鋼は耐食性が優れているので、
腐食環境においても腐食によって刃先が損耗することが
ない。以上のように、本発明の耐摩耗性・耐食性に優れ
た刃物用クラッド材を用いることにより、刃物の寿命を
長くすることができるので、刃物を交換することなく長
時間精度の高い切断または切削加工をすることができ
る。If a blade having a TiC portion as a cutting portion is made using the blade cladding material having excellent wear resistance and corrosion resistance of the present invention, the blade tip can have excellent wear resistance. In addition, stainless steel has excellent corrosion resistance,
Even in a corrosive environment, the cutting edge is not worn by corrosion. As described above, by using the clad material for cutting tools excellent in wear resistance and corrosion resistance of the present invention, the life of the cutting tools can be extended, so that cutting or cutting with high precision for a long time without replacing the cutting tools can be achieved. Can be processed.
【００１３】[0013]
【実施例】以下、本発明の実施例について説明する。表
１に示す化学組成を有する厚さ０．５ｍｍのマルテンサ
イト系ステンレス鋼の２枚の板の間に、表２に示す化学
組成を有する厚さ０．０５ｍｍのＴｉ箔を挟み、これを
冷間圧延によって厚さ０．７５ｍｍとし、さらに冷間圧
延を繰り返して厚さ０．５ｍｍの３層クラッド材を製造
した。その後、この３層クラッド材を１０００℃で５分
間加熱保持した後、空冷して焼入れする熱処埋をした。Embodiments of the present invention will be described below. A 0.05 mm thick Ti foil having the chemical composition shown in Table 2 was sandwiched between two sheets of 0.5 mm thick martensitic stainless steel having the chemical composition shown in Table 1, and this was cold-rolled. Thus, a three-layer clad material having a thickness of 0.5 mm was manufactured by repeating cold rolling. Thereafter, the three-layer clad material was heated and held at 1000 ° C. for 5 minutes, and then air-cooled and quenched for heat treatment.
【００１４】[0014]
【表１】 [Table 1]
【００１５】[0015]
【表２】 [Table 2]
【００１６】熱処理後の３層クラッド材の各層の厚さ
は、焼入れされたステンレス鋼がそれぞれ０．２３ｍ
ｍ、ＴｉＣ層は０．０４ｍｍであった．The thickness of each layer of the three-layer clad material after the heat treatment is 0.23 m for quenched stainless steel.
m, the TiC layer was 0.04 mm.
【００１７】上記のようにして製造した耐摩耗性・耐食
性に優れた刃物用クラッド材にダイヤモンド砥石によっ
て刃付けして図１に示すような刃物を製造した。比較例
として、実施例に用いたのと同一のステンレス鋼の厚さ
０．５ｍｍ板を、焼入硬化して実施例と同一の形状の刃
物としたものを用いた。これらの刃物について、厚さ方
向の断面硬さ分布を測定した。その結果を図２に示す。A blade as shown in FIG. 1 was manufactured by cutting a blade with a diamond grindstone on the blade clad material having excellent wear resistance and corrosion resistance manufactured as described above. As a comparative example, a 0.5 mm thick stainless steel plate identical to that used in the example was quenched and hardened to form a blade having the same shape as the example. About these cutting tools, the cross-sectional hardness distribution in the thickness direction was measured. The result is shown in FIG.
【００１８】本発明の実施例においては直接切断に関わ
る切刃となるＴｉＣ層の硬さはおよそＨＶ１５００であ
り、刃物用ステンレス鋼層の硬さはおよそＨＶ５５０で
あった。上記刃物を用いて、直径２ｍｍのカーポンファ
イバー強化プラスチックを１回／秒の切断速度で切断し
たときの切断時間と刃先の摩耗量との関係を図３に示
す。本発明の実施例で２４時間切断したときの摩耗量
は、比較例のそれに比べて６分の１以下であった。ま
た、従来使用されている高速度鋼ＳＫＨ５１の刃物に比
較してもその摩耗量は２分の１以下であった。In the embodiment of the present invention, the hardness of the TiC layer serving as a cutting blade involved in direct cutting was about HV1500, and the hardness of the stainless steel layer for cutting tools was about HV550. FIG. 3 shows the relationship between the cutting time and the amount of wear of the cutting edge when cutting the 2 mm diameter carpon fiber reinforced plastic at a cutting speed of 1 time / second using the above-mentioned blade. In the example of the present invention, the amount of wear when cut for 24 hours was 1/6 or less of that of the comparative example. In addition, the abrasion amount was less than half that of the conventionally used high-speed steel SKH51 blade.
【００１９】また、上記刃物について、ＪＩＳ Ｚ２３
７１に準じて塩水噴露試験を行って、刃先部における錆
の発生状況を調べた。その結果を図４に示す。本発明の
実施例は、比較例に比べて刃先部における錆発生率が著
しく少なく、腐食環境における刃先部の腐食損耗による
切れ味の劣化が少ないことを示している。Further, regarding the above-mentioned blade, JIS Z23
A saltwater erosion test was performed according to No. 71, and the occurrence of rust at the cutting edge was examined. FIG. 4 shows the results. The examples of the present invention show that the rust generation rate at the cutting edge is significantly smaller than that of the comparative example, and that the sharpness is less deteriorated by the corrosion and wear of the cutting edge in a corrosive environment.
【００２０】[0020]
【発明の効果】以上のように、本発明の耐摩耗性・耐食
性に優れた刃物用クラッド材およびその製造方法によれ
ば、光ファイバー、繊維強化プラスチックなどの切断お
よび切削において優れた切断性、切削性および耐摩耗性
を得ることができ、時に、腐食環境においても腐食損耗
の少ない耐摩耗性・耐食性に優れた刃物用クラッド材お
よびその製造方法を提供することができる。As described above, according to the clad material for cutting tools excellent in abrasion resistance and corrosion resistance of the present invention and the method for producing the same, excellent cutting properties and cutting properties in cutting and cutting of optical fibers, fiber-reinforced plastics and the like are provided. It is possible to provide a clad material for a cutting tool, which is excellent in abrasion resistance and corrosion resistance with less corrosion loss even in a corrosive environment, and a method for producing the same.
【図１】本発明の実施例による刃物の断面図である。FIG. 1 is a sectional view of a blade according to an embodiment of the present invention.
【図２】本発明の実施例および比較例による刃物の断面
硬さ分布を示す特性図である。FIG. 2 is a characteristic diagram showing a sectional hardness distribution of a blade according to an example of the present invention and a comparative example.
【図３】本発明の実施例および比較例による刃物でカー
ポンファイパー強化プラスチックを切断する際の切断時
間と刃先摩耗量との開係を示す特性図である。FIG. 3 is a characteristic diagram showing the relationship between the cutting time and the amount of wear of the cutting edge when cutting a carpon fiber reinforced plastic with a cutting tool according to examples and comparative examples of the present invention.
【図４】本発明の実施例および比較例による刃物の塩水
噴霧試験における錆発生率を示す特性図である。FIG. 4 is a characteristic diagram showing a rust generation rate in a salt spray test of a blade according to an example of the present invention and a comparative example.
１ ＴｉＣ層 ２，３ ステンレス鋼 ４ 切刃 ａ ３層クラッド材の厚さ DESCRIPTION OF SYMBOLS 1 TiC layer 2, 3 stainless steel 4 Cutting edge a 3 layers Thickness of clad material
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０３Ｂ 37/16 Ｃ０３Ｂ 37/16 Ｃ２２Ｃ 38/00 ３０２ Ｃ２２Ｃ 38/00 ３０２Ｚ ──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. 6 Identification code Agency reference number FI Technical display location C03B 37/16 C03B 37/16 C22C 38/00 302 C22C 38/00 302Z
Claims (2)
３層構造としたことを特徴とする耐摩耗性・耐食性に優
れた刃物用クラッド材。1. A clad material for cutting tools excellent in wear resistance and corrosion resistance, having a three-layer structure of stainless steel / TiC / stainless steel.
からなる３層クラッド材とし、当該３層クラッド材を熱
処理してステンレス鋼を焼入硬化させるとともに、ステ
ンレス鋼が含むＣとＴｉ合金が含むＴｉとによってＴｉ
Ｃを生成させてステンレス鋼／ＴｉＣ／ステンレス鋼の
３層構造としたことを特徴とする耐摩耗性・耐食性に優
れた刃物用クラッド材の製造方法。2. A three-layer clad material made of stainless steel / Ti alloy / stainless steel, wherein the three-layer clad material is heat-treated to harden and harden the stainless steel, and C contained in the stainless steel and Ti contained in the Ti alloy. And by Ti
A method for producing a clad material for blades having excellent wear resistance and corrosion resistance, wherein C is formed into a three-layer structure of stainless steel / TiC / stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8213977A JPH1029104A (en) | 1996-07-11 | 1996-07-11 | Edge tool material having excellent wear/corrosion resistance and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8213977A JPH1029104A (en) | 1996-07-11 | 1996-07-11 | Edge tool material having excellent wear/corrosion resistance and its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1029104A true JPH1029104A (en) | 1998-02-03 |
Family
ID=16648209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8213977A Pending JPH1029104A (en) | 1996-07-11 | 1996-07-11 | Edge tool material having excellent wear/corrosion resistance and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1029104A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6194088B1 (en) * | 1997-11-12 | 2001-02-27 | Daido Steel Co., Ltd. | Stainless steel coated with intermetallic compound and process for producing the same |
| CN1072531C (en) * | 1996-11-05 | 2001-10-10 | 辛辛那提大学 | Method of preventing corrosion of metal sheet using vinyl silanes |
-
1996
- 1996-07-11 JP JP8213977A patent/JPH1029104A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072531C (en) * | 1996-11-05 | 2001-10-10 | 辛辛那提大学 | Method of preventing corrosion of metal sheet using vinyl silanes |
| US6194088B1 (en) * | 1997-11-12 | 2001-02-27 | Daido Steel Co., Ltd. | Stainless steel coated with intermetallic compound and process for producing the same |
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