JP2978137B2 - Metal surface treatment method and metal material treated - Google Patents
Metal surface treatment method and metal material treatedInfo
- Publication number
- JP2978137B2 JP2978137B2 JP9251326A JP25132697A JP2978137B2 JP 2978137 B2 JP2978137 B2 JP 2978137B2 JP 9251326 A JP9251326 A JP 9251326A JP 25132697 A JP25132697 A JP 25132697A JP 2978137 B2 JP2978137 B2 JP 2978137B2
- Authority
- JP
- Japan
- Prior art keywords
- metal
- powder
- metal surface
- compressed air
- predetermined pressure
- 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.)
- Expired - Fee Related
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Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ＴｉＮ等の各種セ
ラミックをコーティングする金属表面処理方法およびそ
の処理方法を施した金属材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal surface treatment method for coating various ceramics such as TiN, and a metal material subjected to the treatment method.
【０００２】[0002]
【従来の技術】一般に、セラミックコーティングはどの
様な金属面にも施すことができる。そこで、通常は機械
加工した金属面にそのままコーティングすることが多
い。ところで、例えば旋盤で加工した面であれば、バイ
トの刃先によって生ずる波目が表面に残る。コーティン
グ内には圧縮応力が残留しているので、表面にこのよう
な山や谷があると、その部分に応力が集中して剥離の原
因となる。この問題を解決するために砥石によって研削
を行うことがある。しかしながら、研削にしても金属表
面を加工するものであるので、砥石中に含まれる砥粒が
金属表面にくい込んで削り取ることになる。その際、拡
大してみれば、溝が形成され、その中にはカエリ等、す
ぐ脱落するような不安定な金属片が存在する。BACKGROUND OF THE INVENTION Generally, ceramic coatings can be applied to any metal surface. Therefore, usually, a machined metal surface is often coated as it is. By the way, for example, in the case of a surface processed by a lathe, a wave generated by the cutting edge of the cutting tool remains on the surface. Since a compressive stress remains in the coating, if there are such peaks and valleys on the surface, the stress is concentrated on the portion and causes peeling. Grinding may be performed with a grindstone to solve this problem. However, even when grinding, the metal surface is machined, so that the abrasive grains contained in the grindstone are cut into the metal surface. At that time, if it is enlarged, a groove is formed, and there is an unstable metal piece such as a burr which easily falls off.
【０００３】[0003]
【発明が解決しようとする課題】上記表面にコーティン
グを施すと、不安定な金属片の上にコーティングされ
る。この部分は容易に脱落してその部分より剥離が生ず
る。この不安定物を除去するために圧縮空気中に微細な
砂等を混入して吹き付ける、いわゆるサンドブラストで
処理することも従来より実施されている。しかしなが
ら、この方法では不安定物を除くと表面を荒らし凹凸が
生ずる。この凹凸にコーティングを行うと前述したよう
にこの部分に応力が集中し剥離の基点となる。When the above-mentioned surface is coated, it is coated on the unstable metal piece. This portion easily falls off and peels off from that portion. In order to remove such unstable substances, processing by so-called sandblasting, in which fine sand or the like is mixed into compressed air and sprayed, has been conventionally performed. However, in this method, if an unstable substance is removed, the surface is roughened and unevenness occurs. When coating is performed on these irregularities, stress concentrates on this portion as described above, and becomes a base point of peeling.
【０００４】また、鋭角を持つ凹凸を作らないようにガ
ラスビーズ，金属球をサンドブラストに入れて吹き付け
ることも行われる。しかし球形は不安定な金属片を取り
去る機能は劣り、しかも表面をボールで叩くため残った
不安定物が表層内に埋め込まれることとなる。これはコ
ーティング後、製品として使用すると脱落するものであ
る。このように従来の処理方法ではいずれの場合も満足
する表面状態を作ることはできなかった。Further, glass beads and metal spheres are also blown into a sand blast so as not to form sharp irregularities. However, the spherical shape is inferior in the function of removing unstable metal pieces, and the surface is hit with a ball, so that the remaining unstable material is embedded in the surface layer. This falls off when used as a product after coating. As described above, in any of the conventional processing methods, a satisfactory surface state could not be produced.
【０００５】本発明の課題は、機械加工された金属表面
より加工時に生じた不安定なかえり，放電白層，合金成
分の偏析等、不安定な異物を取り除き、さらに表面の欠
陥であるマイクロクラックや小さい孔を埋め鋭角な凹凸
を滑らかにし、コーティングに適した金属表面を形成す
ることができる金属表面処理方法を提供することにあ
る。本発明の課題はさらに上記金属表面処理方法により
処理を施した金属材を提供することにある。An object of the present invention is to remove unstable foreign matters such as unstable burrs, discharge white layers and segregation of alloy components from a machined metal surface, and furthermore, a micro crack which is a surface defect. It is an object of the present invention to provide a metal surface treatment method capable of filling sharp holes and small holes so as to smooth sharp angles and form a metal surface suitable for coating. Another object of the present invention is to provide a metal material treated by the above metal surface treatment method.
【０００６】[0006]
【課題を解決するための手段】前記目的を達成するため
に本発明による金属表面処理方法は、所定の大きさの研
削性のある第１の粉体を圧縮空気に混ぜて所定の圧力で
目的の金属表面に吹き付けることにより金属表面の不安
定なかえり，放電白層，表面に浮き出た偏析物を除去す
る第１の処理工程と、所定の大きさの球状の第２の粉体
を圧縮空気に混ぜて所定の圧力で前記金属表面に吹き付
けることにより金属表面に存在する鋭角なコーナーを丸
めて滑らかにするとももに小さい孔を埋めるように表面
処理をする第２の処理工程と、および前記第１の粉体を
圧縮空気に混ぜて所定の圧力で目的の金属表面に吹き付
けることにより微細凹凸を形成する第３の処理工程と、
から構成されている。前記第１の粉体は、Ａｌ2 Ｏ3 ま
たはＳｉＣであり、前記第２の粉体はガラス球，鉄球，
水晶球または大理石球とすることができる。前記第１の
処理工程で吹き付けられる所定の圧力は０．３ｋｇｆ／
ｃｍ2 〜３ｋｇｆ／ｃｍ2 であり、前記第２の処理工程
で吹き付けられる所定の圧力は１．０ｋｇｆ／ｃｍ2 〜
３ｋｇｆ／ｃｍ2 とすることができる。本発明による金
属材は、金属表面に所定の大きさの研削性のある第１の
粉体を圧縮空気に混ぜて所定の圧力で吹き付けることに
よりの不安定なかえり，放電白層，表面に浮き出た偏析
物を除去し、前記表面に所定の大きさの球状の第２の粉
体を圧縮空気に混ぜて所定の圧力で前記金属表面に吹き
付けることにより金属表面に存在する鋭角なコーナーを
丸めて滑らかにするとももに小さい孔を埋め、前記表面
に前記第１の粉体を圧縮空気に混ぜて所定の圧力で吹き
付けることにより微細凹凸を形成して構成されている。
前記金属材表面はコーティングまたはメッキを施す前の
状態とすることができる。前記金属は高速度鋼であり、
エンドミルカッタに用いられる。 In order to achieve the above object, a method for treating a metal surface according to the present invention comprises mixing a first powder having a predetermined size with grindability with compressed air at a predetermined pressure. A first processing step of removing unstable burrs on the metal surface, a discharge white layer, and segregated substances floating on the surface by spraying the powder on the metal surface, and a step of compressing the spherical second powder having a predetermined size into compressed air. a second processing step of the surface treatment so as to fill a small hole in the thigh when the smooth rounded sharp corners present on the metal surface by spraying the metal surface with a predetermined pressure mixed in, and the First powder
Mix with compressed air and spray at the desired pressure on the metal surface
A third processing step of forming fine irregularities by
It is composed of The first powder is Al 2 O 3 or SiC, and the second powder is a glass ball, an iron ball,
It can be a crystal ball or a marble ball. The predetermined pressure sprayed in the first processing step is 0.3 kgf /
cm 2 to 3 kgf / cm 2 , and the predetermined pressure sprayed in the second processing step is 1.0 kgf / cm 2 to
It can be 3 kgf / cm 2 . Gold according to the invention
The metal material has a first size having a predetermined size of grindability on the metal surface.
Mixing powder with compressed air and spraying it at a predetermined pressure
More unstable burrs, discharge white layer, segregation on the surface
The object is removed, and a spherical second powder having a predetermined size is formed on the surface.
Mix the body with the compressed air and blow it on the metal surface at the specified pressure.
By attaching the sharp corners existing on the metal surface
Rounded and smoothed and filled small holes first
The first powder is mixed with compressed air and blown at a predetermined pressure.
It is configured by forming fine irregularities by attaching.
The surface of the metal material before coating or plating
State. The metal is high speed steel;
Used for end mill cutters.
【０００７】[0007]
【発明の実施の形態】以下、図面等を参照して本発明の
実施の形態を詳しく説明する。１０μ〜５０μの大きさ
のＡｌ2 Ｏ3 ，ＳｉＣなどの研削性のある粉体（以下
「粉体Ａ」という）を圧縮空気に混ぜる。そして０．３
ｋｇｆ／ｃｍ2 〜３ｋｇｆ／ｃｍ2 の圧力で対象となる
金属材の表面に吹きつける。これにより金属表面の不安
定なかえり，放電白層，表面に浮き出た偏析物を除去で
き、容易に脱落する異物を無くすことができる。Embodiments of the present invention will be described below in detail with reference to the drawings. A grindable powder (hereinafter, referred to as “powder A”) such as Al 2 O 3 or SiC having a size of 10 μm to 50 μm is mixed with the compressed air. And 0.3
blown on the surface of the metal member to be at a pressure of kgf / cm 2 ~3kgf / cm 2 . This makes it possible to remove unstable burrs on the metal surface, discharge white layers, and segregated substances floating on the surface, and eliminate foreign substances that easily fall off.
【０００８】つぎに金属表面に１０μ〜５０μの大きさ
のガラス球，鉄球，水晶球または大理石球などの球状の
粉体（以下「粉体Ｂ」という）を圧縮空気に混ぜ１．０
ｋｇｆ／ｃｍ2 〜３ｋｇｆ／ｃｍ2 で上記金属表面に吹
き付ける。金属表面に存在する鋭角なコーナーを丸めて
滑らかにするとももに小さい孔を埋め、コーティングさ
れたセラミック内で応力が集中し剥離の起点となること
を防ぐことができる。コーティング皮膜が金属表面層に
拡散する化学気相蒸着法によるコーティングでは以上の
処理で充分である。しかし、金属表面では結晶が析出発
達する物理蒸着法では粉体Ａで処理し次いで粉体Ｂで処
理した表面（以下「表面Ａ／Ｂ」という）は結晶の起点
となる核を持たず逆に不適切な表面となる。Next, a spherical powder (hereinafter referred to as "powder B") such as a glass ball, iron ball, quartz ball or marble ball having a size of 10 to 50 .mu.
In kgf / cm 2 ~3kgf / cm 2 sprayed on the metal surface. The sharp corners present on the metal surface are rounded and smoothed to fill the small holes and to prevent stress from concentrating in the coated ceramic and becoming a starting point for exfoliation. The above treatment is sufficient for coating by a chemical vapor deposition method in which a coating film is diffused into a metal surface layer. However, in the physical vapor deposition method in which crystals precipitate and develop on the metal surface, the surface treated with powder A and then treated with powder B (hereinafter referred to as “surface A / B”) does not have a nucleus serving as a starting point of the crystal. Improper surface.
【０００９】そこで、コーティング後、応力集中を起こ
さず、密な皮膜の結晶を得るように表面Ａ／Ｂ上に意図
的に１μ〜５μの凹凸を設ける必要がある。この表面状
態（以下「表面Ａ／Ｂ／Ａ」という）は粉体Ａを圧縮空
気に混ぜ、圧力０．２ｋｇｆ／ｃｍ2 〜１．５ｋｇｆ／
ｃｍ2 で表面に吹き付けることによって得られる（表面
Ａ／Ｂ／Ａ）。この表面Ａ／Ｂ／Ａは１μ〜５μの大き
さの無数の凹凸を持つが、この凹凸は結晶の核となるだ
けでコーティング後応力が集中し剥離の原因となるほど
大きくない。未処理時に存在した応力の集中するような
凹凸は表面Ａ／Ｂを作る際に処理されてしまい表面Ａ／
Ｂ／Ａはコーティングに最も適した表面となる。Therefore, after coating, it is necessary to intentionally provide unevenness of 1 to 5 μ on the surface A / B so that stress concentration does not occur and crystals of a dense film are obtained. This surface condition (hereinafter referred to as “surface A / B / A”) is obtained by mixing powder A with compressed air and applying a pressure of 0.2 kgf / cm 2 to 1.5 kgf /
Obtained by spraying the surface in cm 2 (surface A / B / A). The surface A / B / A has innumerable irregularities having a size of 1 μm to 5 μm, but these irregularities only become nuclei of crystals, and are not so large as to concentrate stress after coating and cause peeling. Irregularities such as the concentration of stress existing at the time of non-treatment are treated when making the surface A / B, and the surface A / B is processed.
B / A is the most suitable surface for coating.
【００１０】[0010]
【実施例】つぎにハイス（＝高速度鋼）のエンドミルカ
ッタに処理した表面で説明する。図１は、刃先を５００
０倍のＳＥＭで観察した写真のスケッチ図で、機械加工
したままの未処理の状態を示している。この図は機械加
工したままの未処理のエッジ部で機械加工により多くの
溝と、加工時に加えられた応力によりかえり２が生じて
いる。図２は、本発明による金属表面処理方法を施した
金属材表面で、粉体Ａおよび粉体Ｂによって処理された
同一場所の表面Ａ／Ｂを示している。鋭角部は無くなり
滑らかな丘状凹凸３となっている。Next, a description will be given of a surface treated with a high-speed (= high-speed steel) end mill cutter. FIG. 1 shows that the cutting edge is 500
The sketch of the photograph observed by the SEM of 0 times shows the unprocessed state as it is machined. In this figure, many grooves are formed by machining at an unprocessed edge portion which has been machined, and burrs 2 are generated due to stress applied during machining. FIG. 2 shows the surface A / B at the same place treated with powder A and powder B on the surface of the metal material subjected to the metal surface treatment method according to the present invention. The sharp corners are eliminated and smooth hill-like irregularities 3 are formed.
【００１１】図３はさらに粉体Ａによる表面処理を施し
たもので、表面Ａ／Ｂに必要に応じて意図的に凹凸を設
けた表面Ａ／Ｂ／Ａである。表面に無数の１μ〜５μの
大きさの凹凸４が付けられ、しかも図１に存在した応力
の集中するような鋭角部または不安定なかえり等は取り
除かれている。以上は金属表面にコーティングすること
を想定しているが、本発明による金属表面処理は同様な
表面状態を要求するメッキを施す場合も効果がある。ま
た、かえりや偏析物を基点に破損する機械強度を要する
ツールにも効果がある。さらにかえりや放電白層に樹脂
が抱きはく離型不良を生ずるプラスチック金型にも効果
がある。FIG. 3 shows a surface A / B / A obtained by further performing a surface treatment with a powder A, wherein the surface A / B is intentionally provided with irregularities as required. The surface is provided with countless irregularities 4 having a size of 1 μm to 5 μm, and the sharp corners or unstable burrs which are present in FIG. 1 where stress is concentrated are removed. Although the above description assumes that a metal surface is coated, the metal surface treatment according to the present invention is also effective when plating that requires a similar surface state. In addition, the present invention is also effective for tools that require mechanical strength to be broken based on burrs and segregated substances. Further, the present invention is also effective for a plastic mold in which the resin is held in the burrs and the discharge white layer and peeling failure occurs.
【００１２】[0012]
【発明の効果】以上、説明したように本発明は金属表面
から脱落し易いかえりや放電白層，金属偏析物などの不
安定な物を取り除きクリーンな状態の表面の鋭角は凹凸
を滑らかにしマイクロクラックや小さい孔を埋めるよう
に処理する。さらに結晶の核を必要とするコーティング
ではその平滑化された表面に意図的に核となる凹凸を設
ける処理を行う。したがってコーティングした際に母材
の機械強度の高いコーティング皮膜の結晶密度の高い処
理が行える。これにより硬度の高い皮膜の接着強度の強
い表面状態の金属材を得ることができる。As described above, the present invention removes burrs that easily fall off from the metal surface, removes unstable substances such as a discharge white layer and metal segregated substances, and cleans the surface so that the sharp angle smoothes the irregularities and reduces Treat to fill cracks and small holes. Further, in the case of a coating requiring a crystal nucleus, a process for intentionally providing irregularities serving as nuclei on the smoothed surface is performed. Therefore, at the time of coating, the coating film of the base material having high mechanical strength can be processed with a high crystal density. This makes it possible to obtain a metal material in a surface state having a high adhesion strength of a film having high hardness.
【図１】５０００倍のＳＥＭで観察した写真のスケッチ
図で、機械加工したままの未処理の状態を示している。FIG. 1 is a sketch drawing of a photograph observed with a 5000 × SEM, showing an unprocessed state as it is machined.
【図２】本発明による金属表面処理方法を施した金属材
表面を示す、５０００倍のＳＥＭで観察した写真のスケ
ッチ図で、第１および第２の処理工程を施した状態を示
している。FIG. 2 is a sketch of a 5000 × magnification SEM photograph showing the surface of a metal material subjected to the metal surface treatment method according to the present invention, showing a state in which first and second treatment steps have been performed.
【図３】本発明による金属表面処理方法を施した金属材
表面を示す、５０００倍のＳＥＭで観察した写真のスケ
ッチ図で、第１，第２および第３の処理工程を施した状
態を示している。FIG. 3 is a sketch drawing of a 5000 × magnification SEM photograph showing a metal material surface subjected to the metal surface treatment method according to the present invention, showing a state where first, second and third treatment steps are performed. ing.
１…金属表面 ２…かえり ３…丘状凹凸 ４…凹凸 DESCRIPTION OF SYMBOLS 1 ... Metal surface 2 ... Burr 3 ... Hill-like unevenness 4 ... Unevenness
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) B24C 1/00 - 1/10 ──────────────────────────────────────────────────続 き Continuation of front page (58) Field surveyed (Int.Cl. 6 , DB name) B24C 1/00-1/10
Claims (6)
を圧縮空気に混ぜて所定の圧力で目的の金属表面に吹き
付けることにより金属表面の不安定なかえり，放電白
層，表面に浮き出た偏析物を除去する第１の処理工程
と、 所定の大きさの球状の第２の粉体を圧縮空気に混ぜて所
定の圧力で前記金属表面に吹き付けることにより金属表
面に存在する鋭角なコーナーを丸めて滑らかにするとも
もに小さい孔を埋めるように表面処理をする第２の処理
工程と、および前記第１の粉体を圧縮空気に混ぜて所定
の圧力で目的の金属表面に吹き付けることにより微細凹
凸を形成する第３の処理工程と、 から構成したことを特徴とする金属表面処理方法。An unstable burr on a metal surface, a discharge white layer, a surface, and the like are mixed with compressed air and sprayed onto a target metal surface at a predetermined pressure. A first processing step of removing segregated substances floating on the surface, and mixing a spherical second powder of a predetermined size with compressed air and spraying the mixture with a predetermined pressure on the metal surface to form an acute angle existing on the metal surface. A second processing step of rounding the smooth corners and surface-treating so as to fill small holes, and mixing the first powder with compressed air for a predetermined time.
By spraying on the target metal surface with the pressure of
And a third processing step of forming protrusions .
ｉＣであり、前記第２の粉体はガラス球，鉄球，水晶球
または大理石球であることを特徴とする請求項１記載の
金属表面処理方法。2. The method according to claim 1, wherein the first powder is Al 2 O 3 or S
2. The metal surface treatment method according to claim 1, wherein the second powder is iC, and the second powder is a glass ball, an iron ball, a quartz ball, or a marble ball.
定の圧力は０．３ｋｇｆ／ｃｍ2 〜３ｋｇｆ／ｃｍ2 で
あり、前記第２の処理工程で吹き付けられる所定の圧力
は１．０ｋｇｆ／ｃｍ2 〜３ｋｇｆ／ｃｍ2 であること
を特徴とする請求項１記載の金属表面処理方法。3. The predetermined pressure applied in the first processing step is 0.3 kgf / cm 2 to 3 kgf / cm 2 , and the predetermined pressure applied in the second processing step is 1.0 kgf / cm 2. The metal surface treatment method according to claim 1, wherein the pressure is 2 to 3 kgf / cm2.
第１の粉体を圧縮空気に混ぜて所定の圧力で吹き付ける
ことによりの不安定なかえり，放電白層，表面に浮き出
た偏析物を除去し、 前記表面に所定の大きさの球状の第２の粉体を圧縮空気
に混ぜて所定の圧力で前記金属表面に吹き付けることに
より金属表面に存在する鋭角なコーナーを丸めて滑らか
にするとももに小さい孔を埋め、 前記表面に前記第１の粉体を圧縮空気に混ぜて所定の圧
力で吹き付けることにより微細凹凸を形成して、構成し
た金属材。 4. A metal surface having a predetermined size of grindability.
The first powder is mixed with compressed air and sprayed at a predetermined pressure
Burrs due to burrs, discharge white layer, surface
The segregated material is removed, and a spherical second powder having a predetermined size is compressed on the surface with compressed air.
And spray it on the metal surface with a predetermined pressure.
Rounds sharp corners on more metal surfaces for smoothness
At first, fill the small holes and mix the first powder with the compressed air on the surface to a predetermined pressure.
By forming fine irregularities by spraying with force,
Metal material.
ッキを施す前の状態である請求項４記載の金属材。 5. The method of claim 1, wherein the surface of the metal material is coated or coated.
The metal material according to claim 4, wherein the metal material is in a state before being applied.
カッタに用いられるものである請求項４記載の金属材。 6. The end mill according to claim 1, wherein said metal is high speed steel.
The metal material according to claim 4, which is used for a cutter.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9251326A JP2978137B2 (en) | 1997-09-01 | 1997-09-01 | Metal surface treatment method and metal material treated |
| SG1997004145A SG75816A1 (en) | 1997-09-01 | 1997-11-26 | Metal surface treatment method and a metallic material treated thereby |
| TW086118249A TW356437B (en) | 1997-09-01 | 1997-12-04 | Metal surface treating method |
| CN97121872A CN1082417C (en) | 1997-09-01 | 1997-12-10 | Metal surface treatment method and metallic material treated thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9251326A JP2978137B2 (en) | 1997-09-01 | 1997-09-01 | Metal surface treatment method and metal material treated |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1177540A JPH1177540A (en) | 1999-03-23 |
| JP2978137B2 true JP2978137B2 (en) | 1999-11-15 |
Family
ID=17221161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9251326A Expired - Fee Related JP2978137B2 (en) | 1997-09-01 | 1997-09-01 | Metal surface treatment method and metal material treated |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2978137B2 (en) |
| CN (1) | CN1082417C (en) |
| SG (1) | SG75816A1 (en) |
| TW (1) | TW356437B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19924422C2 (en) * | 1999-05-28 | 2001-03-08 | Cemecon Ceramic Metal Coatings | Process for producing a hard-coated component and coated, after-treated component |
| JP4936925B2 (en) * | 2006-03-03 | 2012-05-23 | 日本碍子株式会社 | Blasting method |
| CN102433421A (en) * | 2011-12-15 | 2012-05-02 | 比亚迪股份有限公司 | Amorphous alloy surface treatment process |
| JP5723942B2 (en) * | 2013-09-18 | 2015-05-27 | 株式会社不二機販 | Surface treatment method for powdered metal materials |
| CN103465172A (en) * | 2013-09-25 | 2013-12-25 | 张家港市锦丰润尔发五金塑料厂 | Metal surface lubrication method |
| CN105171614B (en) * | 2015-09-18 | 2018-05-29 | 深圳市和胜金属技术有限公司 | A kind of method of powder removal vanadium carbide film |
| JP6286470B2 (en) * | 2016-04-06 | 2018-02-28 | 株式会社不二機販 | Mold surface treatment method |
| KR20190020043A (en) * | 2016-06-23 | 2019-02-27 | 신토고교 가부시키가이샤 | Method for surface treatment of metal products using projection material |
| CN115476424B (en) * | 2022-09-23 | 2024-06-11 | 浙江普菲特切削工具有限公司 | Production process of metal ceramic end mill and automatic sand blasting machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5937052A (en) * | 1982-08-20 | 1984-02-29 | Toshiba Corp | Process of removing burr |
| CN1013545B (en) * | 1989-12-29 | 1991-08-21 | 荣成市水产局 | Process for kelp-cultivating by buoying with rope binding |
| CN1125786A (en) * | 1994-12-26 | 1996-07-03 | 邓志强 | Surface processing method of high-hardness aluminum or aluminum alloy tack-free pot |
-
1997
- 1997-09-01 JP JP9251326A patent/JP2978137B2/en not_active Expired - Fee Related
- 1997-11-26 SG SG1997004145A patent/SG75816A1/en unknown
- 1997-12-04 TW TW086118249A patent/TW356437B/en not_active IP Right Cessation
- 1997-12-10 CN CN97121872A patent/CN1082417C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1082417C (en) | 2002-04-10 |
| TW356437B (en) | 1999-04-21 |
| JPH1177540A (en) | 1999-03-23 |
| CN1211489A (en) | 1999-03-24 |
| SG75816A1 (en) | 2000-10-24 |
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