JPH02155554A - Coating casting method - Google Patents
Coating casting methodInfo
- Publication number
- JPH02155554A JPH02155554A JP30855488A JP30855488A JPH02155554A JP H02155554 A JPH02155554 A JP H02155554A JP 30855488 A JP30855488 A JP 30855488A JP 30855488 A JP30855488 A JP 30855488A JP H02155554 A JPH02155554 A JP H02155554A
- Authority
- JP
- Japan
- Prior art keywords
- coating
- flux
- molten
- metal
- core
- 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
- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 238000005266 casting Methods 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 23
- 230000004907 flux Effects 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 26
- 230000005484 gravity Effects 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 15
- 229910021538 borax Inorganic materials 0.000 abstract description 6
- 239000004328 sodium tetraborate Substances 0.000 abstract description 6
- 235000010339 sodium tetraborate Nutrition 0.000 abstract description 6
- 239000011247 coating layer Substances 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 5
- 239000004327 boric acid Substances 0.000 abstract description 4
- 238000009750 centrifugal casting Methods 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910002804 graphite Inorganic materials 0.000 abstract description 3
- 239000010439 graphite Substances 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 abstract description 2
- PQMFVUNERGGBPG-UHFFFAOYSA-N (6-bromopyridin-2-yl)hydrazine Chemical compound NNC1=CC=CC(Br)=N1 PQMFVUNERGGBPG-UHFFFAOYSA-N 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 12
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 4
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NMWSKOLWZZWHPL-UHFFFAOYSA-N 3-chlorobiphenyl Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1 NMWSKOLWZZWHPL-UHFFFAOYSA-N 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 101001082832 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) Pyruvate carboxylase 2 Proteins 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- VNTLIPZTSJSULJ-UHFFFAOYSA-N chromium molybdenum Chemical compound [Cr].[Mo] VNTLIPZTSJSULJ-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野 〕
本発明は鋳造、鍛造、圧延等による鉄系素材から作られ
た部品の一部に、異種の合金（各種の銅合金、ニッケル
合金、アルミ合金、その他）を被覆鋳造する方法に関す
るものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention provides for the use of dissimilar alloys (various copper alloys, nickel alloys, aluminum The present invention relates to a method for coating and casting materials (alloys, etc.).
従来、被覆鋳造を行う場合は、溶着を確実なものにする
ため、被覆材に５輪−又は１０ｍ１ｓ以上というように
ある程度の厚み（駄肉）をもたせ、鋳造後、所定の寸法
まで切削加工して仕上げていた。Conventionally, when performing coating casting, in order to ensure welding, the coating material was given a certain thickness (waste thickness) such as 5 rings or 10 ml or more, and after casting, it was cut to the specified dimensions. I was finishing it.
従来の′１１１ｒｌ鋳造は被覆厚を薄くできなかったの
で、厚内の場合に生ずる凝固収縮応力による被覆面のｉ
ｌｌがれや引は巣の発生が生じたのである。Conventional '111rl casting could not reduce the coating thickness, so the i
This caused the formation of nests due to scree and debris.
上記点に鑑み、本発明は従来の欠点を除去するため、被
覆厚を薄くすることのできる被覆鋳造法を提供すること
を目的としたものである。In view of the above points, it is an object of the present invention to provide a coating casting method that can reduce the coating thickness in order to eliminate the conventional drawbacks.
上記目的を達成するため、本発明は被覆を施そうとする
部品本体とコアーで形成される空腔内に、溶融状態のフ
ラックスを介在させ、被覆材の溶湯を鋳入すると同時に
重力倍数５〜１５の遠心力を与えることにより、溶融フ
ラックスと被覆金属溶湯の比重差を増幅し、フラックス
と被覆金属溶湯との置換を容易にし、薄肉の被覆鋳造を
行うことを特徴としたものである。In order to achieve the above object, the present invention interposes molten flux in the cavity formed by the core and the part body to be coated, and simultaneously casts the molten metal of the coating material and simultaneously By applying a centrifugal force of 15 degrees, the difference in specific gravity between the molten flux and the molten coating metal is amplified, facilitating the replacement of the flux with the molten coating metal, and thin-walled coating casting is performed.
本発明の最大の特徴とするところは、被覆鋳造する部分
の母材とコアー〈中子）によって形成された空腔内に、
フラックスく硼砂又は硼砂に硼酸を配合した溶媒・・・
配合比により溶融点が変化する）を充填した後、フラッ
クスの溶融点以上に加熱することによりフラックスを溶
融液状にするか、又は母材とコアーをフラックスの溶融
温度以上（７３０〜９２０°Ｃ）に予熱した後、被覆鋳
造する部分の空腔内に溶融したフラックス３注入し、然
る後、この部分に各種の銅合金又はニッケルき金等の被
覆金属の溶湯を鋳込むと同時に、重力倍数３〜１５の遠
心力を与えることにより、フラックスと溶湯の比重差が
増幅され、Ｊ内層におけるフラックスと溶湯の置換を容
易且つ確実なものにし、目的とする部分へ極めて高品質
な金属被覆を施す方法である。The greatest feature of the present invention is that in the cavity formed by the base material and core of the part to be coated and cast,
Flux borax or a solvent containing borax and boric acid...
(The melting point changes depending on the blending ratio) After filling the flux, either turn the flux into a molten liquid by heating it above the melting point of the flux, or heat the base material and core to a temperature above the melting temperature of the flux (730 to 920°C). After preheating, molten flux 3 is injected into the cavity of the part to be covered and cast, and then molten metal of various copper alloys or nickel-plated metals is poured into this part, and at the same time, the gravity multiplier is By applying a centrifugal force of 3 to 15, the difference in specific gravity between the flux and the molten metal is amplified, making it easy and reliable to replace the flux and the molten metal in the J inner layer, and applying extremely high quality metal coating to the target area. It's a method.
尚、フラックスは前述のように、硼砂（Ｎａ。As mentioned above, the flux is borax (Na.
Ｂ＝Ｏｔ）又は硼砂に硼酸（Ｈ，ＢＯ３）を配合したも
のを用いるが、フラックスの融点や溶融悪の粘度を低く
して作業を容易にするため、通常多く行われる銅合金被
覆の場合では、硼酸を２０〜３０％配合したもの（融点
的７３０°Ｃ）がよい。B = Ot) or borax mixed with boric acid (H, BO3) is used, but in order to make the work easier by lowering the melting point and viscosity of flux, it is not used in the case of copper alloy coating, which is usually used. , one containing 20 to 30% boric acid (melting point 730°C) is preferable.
又、遠心力を与えるための重力倍数の大きさは、フラッ
クスと被覆金属との比重差が少ない４６には大きくし、
比重差の多い場りは小さくてよい。In addition, the magnitude of the gravity multiple for applying centrifugal force is increased to 46, where the difference in specific gravity between the flux and the coated metal is small.
A field with a large difference in specific gravity may be small.
本発明鋳造法によれば、フラックスを溶駐状懲にして被
覆部を満たしているため、接合面での酸１ヒを生ぜず、
又フラックスを溶融状態で保存するため、７００６Ｃ以
上の高温に加熱されているので、被覆金属溶湯の湯廻り
及び溶着性が良くなり、更に遠心力を付与することによ
り、フラックスと被覆金属溶湯との比重差が増幅される
ので置換が容易となり、より一層薄肉での被覆を可能と
することができる。According to the casting method of the present invention, since the coating is filled with flux in the form of a melt, no acid or oxidation occurs at the joint surface.
In addition, in order to preserve the flux in a molten state, it is heated to a high temperature of 7006C or higher, which improves the circulation and welding properties of the molten metal coating, and furthermore, by applying centrifugal force, the flux and molten coating metal are heated to a high temperature of 7006C or higher. Since the difference in specific gravity is amplified, replacement becomes easier, and even thinner coating becomes possible.
以下本発明鋳造法の一実施例を図面に基づき説明すれば
、第１図乃至第５図は材質ＳＣＭ４４０クロム モリブ
デン鋼で作られた高圧油圧ポンプ用シリンダーブロック
内面に、材質ＬＢＣ−３を被覆鋳造する場合の例である
。An embodiment of the casting method of the present invention will be described below with reference to the drawings. Figures 1 to 5 show the inner surface of a cylinder block for a high-pressure hydraulic pump made of SCM440 chromium molybdenum steel coated with material LBC-3. This is an example of a case where
第１図は高圧油圧ポンプ用シリンダーブロック本体（１
）のシリンダ一部を断面図で示した全体図であり、被覆
を要する面を鎖線で示しである。Figure 1 shows the cylinder block body (1) for a high-pressure hydraulic pump.
) is an overall view showing a part of the cylinder in sectional view, and the surface that requires coating is shown with a chain line.
第２図は被覆鋳造を行うための鋳造法案を示したもので
、本体（１）のシリンダ一部に黒鉛棒又は軟鋼棒で作ら
れたコアー（２）を挿入し、本体く１）とコアー（２）
とで形成された空腔（被覆鋳造する部分）内に溶融した
フラックス（３）を充填したところを示すものである。Figure 2 shows the casting method for coating casting, in which a core (2) made of graphite rod or mild steel rod is inserted into a part of the cylinder of the main body (1), and the core (2) is inserted between the main body (1) and the core. (2)
This figure shows how the molten flux (3) is filled into the cavity (the part to be coated and cast) formed by the above.
尚、図中（４）は湯溜りである。Note that (4) in the figure is a hot water pool.
第３図は被覆鋳造する部分に溶融したフラックス（３）
が充填されているところに、溶融した被覆金属（５）が
鋳入される段階を示すものである。Figure 3 shows molten flux (3) in the part to be coated and cast.
This figure shows the stage in which molten coating metal (5) is poured into the area where the metal is filled.
第４図は被覆金属（５）を鋳入すると同時に、矢印（イ
）方向の遠心力を与えることにより、溶融フラックス（
３）と溶融被覆金属（５）は置換され、鋳込みが完全に
行われる状態を示したものである。Figure 4 shows that the molten flux (
3) and the molten coating metal (5) are replaced and the casting is completely performed.
第５図は竪型遠心鋳造機（６）により遠心力をＬｌえる
状態を示したものである。FIG. 5 shows a state in which the centrifugal force is reduced by the vertical centrifugal casting machine (6).
而して、本発明鋳造法は先ず、被覆層の厚さ（この場合
は３ ｎｎ）を確保するためのコアー（２〉（材質は軟
鋼を使用し、シリンダー面を加工する際に切削除去する
）をセントし、本体（１）との空腔に溶着を媒介させる
ためのフラックス（３）（硼砂二ｉ酸＝７：３）を充填
した後、加熱炉内にて８８０〜９００°Ｃに加熱して溶
融液状とする。（第２図）所定の温度になったところで
炉から取り出して竪型遠心鋳造機（６）に乗せ、溶解し
た被覆金属（５）を鋳入する（第３図）と同時に、重力
倍数８〜１０の遠心力を与える。Therefore, in the casting method of the present invention, first, a core (2〉) (soft steel is used as the material, and is removed by cutting when processing the cylinder surface) to ensure the thickness of the coating layer (3 nn in this case). ), and after filling the cavity with the main body (1) with flux (3) (borax diacid = 7:3) to mediate welding, the temperature was heated to 880 to 900°C in a heating furnace. It is heated to form a molten liquid. (Fig. 2) When it reaches a predetermined temperature, it is taken out of the furnace and placed on a vertical centrifugal casting machine (6), where the molten coating metal (5) is cast. (Fig. 3) ) and simultaneously apply a centrifugal force with a gravity multiple of 8 to 10.
即ち、通常ならば、フラックス（３）の比重は約１．５
．被覆金属（５）の比重は８．９程であるから、比重差
によって置換されるが、肉厚がＪい場合は両者の表面張
力のため完全に置換され難いので、遠心力を与えること
により、比重は夫々に重力倍数を乗じた分だけ大きくな
り、比重差が増幅されるので、隅々まで確実に置換し、
被覆することができる。（第４図）
この様にして、本発明法によるこれまでの実験では、厚
さ０．３１までの被覆が可能となっている。That is, normally, the specific gravity of flux (3) is approximately 1.5.
．． Since the specific gravity of the coating metal (5) is about 8.9, it is replaced by the difference in specific gravity, but if the wall thickness is large, it is difficult to completely replace it due to the surface tension between the two, so by applying centrifugal force. , the specific gravity increases by multiplying each by the gravity multiple, and the difference in specific gravity is amplified, so make sure to replace every corner,
Can be coated. (FIG. 4) In this way, in previous experiments using the method of the present invention, coating up to a thickness of 0.31 mm was possible.
次に本発明鋳造法の他の実施例を図面に基づき説明すれ
ば、第６図乃至第９図はｔオ葺ＦＣ３０鋳鉄からなる油
圧モーター用ピストンの内面底部に材質ＰＣＢ−２青銅
を被覆鋳造したものであり、第６図は油圧モーター用ピ
ストン（７）の断面形状を示し、第７図は被覆鋳造する
ための鋳造法案を示し、被覆鋳造すべき空腔３形成する
ためのコアー（２）には注型セラミック材で成型したも
のを使用している。尚、図中（８〉はベント（フラック
スや空気のはけ口）である。Next, other embodiments of the casting method of the present invention will be explained based on the drawings. Figures 6 to 9 show the casting of a piston for a hydraulic motor made of FC30 cast iron, coated with PCB-2 bronze on the inner bottom part. Fig. 6 shows the cross-sectional shape of the hydraulic motor piston (7), and Fig. 7 shows a casting method for coating casting. ) is made of cast ceramic material. In addition, (8>) in the figure is a vent (an outlet for flux and air).
第８図及び第９図は実施例■と同様に、溶融フラックス
（３）の注入及び溶融被覆金属（５）の鋳込み状態を示
すものである。FIGS. 8 and 9 show the state of injection of molten flux (3) and casting of molten coated metal (5), as in Example (2).
而して、本発明鋳造法の工程順序は、実施例１の場自と
同様であるが、被覆する場所と形状が異なるため、ｎ造
法案は第７図に示すようにコアー（２）の中に湯溜り（
４）とベント（８）を設けるなど複雑になっている。The process order of the casting method of the present invention is the same as that of the in-situ casting method of Example 1, but since the location and shape of the coating are different, the n-casting method is different from that of the core (2) as shown in FIG. There is a puddle inside (
4) and a vent (8).
従って、この場合のコアー（２）は注型セラミツタにて
成型したものを用い、コアー材としては溶融フラックス
（３）による浸蝕と浸透を防止するため、ジルコニア（
Ｚ「０□−５ｉ０２系）耐大物とＩ（アルミナ質（ＡＩ
ｚＯ３５ｉＯｚ系）耐火物を配きしたしのを採用し、更
に表面にコロイダル黒鉛を塗型したものを使用した。Therefore, the core (2) in this case is made of cast ceramic ivy, and the core material is zirconia (3) to prevent erosion and penetration by the molten flux (3).
Z "0□-5i02 series" large resistant material and I (alumina material (AI
zO35iOz series) was used, which was coated with refractory material and further coated with colloidal graphite on the surface.
尚、セラミックコアーの成型は、前述の耐火物にエチル
シリケート系のコロイダルゾル（バインダー）を加え、
泥状（スリラー）とし、注型法により成型し、低温度（
２００〜３００’Ｃ）で仮焼成な行えば、本焼成は母材
の予熱と兼ねて行える点で都合のよい工程である。The ceramic core is formed by adding ethyl silicate colloidal sol (binder) to the refractory material mentioned above.
It is made into a slurry (thriller), molded by a casting method, and then heated at a low temperature (
If pre-firing is performed at 200 to 300'C), this is a convenient process in that the main firing can also be performed as preheating of the base material.
以上の方法により目的とする被覆を行うことができ、従
来行われてきた圧入加工したちの（第１０［２１）に比
べ、極めて信頼性が高く、性能の良い製品を製作するこ
とができた。By using the above method, we were able to achieve the desired coating, and we were able to produce a product that was extremely reliable and had good performance compared to the conventional press-fitting process (No. 10 [21)]. .
尚、第１１図は本発明方法により被覆鋪遺した製品の母
材部と被覆金属との接合部において溶着が完全であるこ
とを証明するＷ４微鏡写真を示す乙のである。Incidentally, FIG. 11 shows a W4 microscopic photograph which proves that the welding is complete at the joint between the base material of the product coated by the method of the present invention and the coated metal.
本発明鋳造法によれば、次の如き効果が挙げられる。 According to the casting method of the present invention, the following effects can be mentioned.
（１）被７！厚さを１くできるので、１７肉の場合に生
ずる凝固収縮応力による被覆面の剥がれや引は巣の発生
が無い。(1) 7 hits! Since the thickness can be reduced to 1, there is no peeling or pulling of the coating surface due to solidification shrinkage stress that occurs in the case of 17-thickness.
（２〉被覆材の溶着が完全に行われるので、油圧シリン
ダーや操作弁本体等高圧ｖｌ器器部への適用が可ｆｍと
なり、多角的な機能を勺えることができる。(2) Since the coating material is completely welded, it can be applied to high-pressure VL equipment such as hydraulic cylinders and control valve bodies, and can have multiple functions.
（３）被覆層の加工代が節減できるので、歩留まりが向
上し、加工工数も低減される。(3) Since the cost for processing the coating layer can be reduced, the yield is improved and the number of processing steps is also reduced.
第１図乃至第５図は本発明の一実施例の製造工程を示し
た断面図、第６図乃至第９図は本発明の他の実施例の製
造工程を示した断面図、第１０図は従来方法の断面図、
第１１１２１は本発明方法により被ｒ！Ｉ鋳造した製品
の母材部と被覆金属との接なの７８着状態を示す顕Ｖ＆
鏡写真である。
符号
（１）は高圧油圧ポンプ川シリンダーブロック本体（２
）はコアー
（３）はフラックス
（，１）は湯溜り
（５）は溶融した肢覆金ｇ
（６）は堅壁遠心鋳造ｂ１
（７）は油圧モーター用ピストン本体1 to 5 are sectional views showing the manufacturing process of one embodiment of the present invention, FIGS. 6 to 9 are sectional views showing the manufacturing process of another embodiment of the invention, and FIG. 10 is a cross-sectional view of the conventional method,
No. 11121 received r! by the method of the present invention! 78 Visualization showing the bonding condition between the base material of the cast product and the coating metal.
This is a mirror photo. Code (1) is the high pressure hydraulic pump river cylinder block body (2
) is the core (3) is the flux (,1) is the hot water reservoir (5) is the molten limb cover g (6) is the solid-walled centrifugal casting b1 (7) is the piston body for the hydraulic motor
Claims (1)
内に、溶融状態のフラックスを介在させ、被覆材の溶湯
を鋳入すると同時に重力倍数５〜１５の遠心力を与える
ことにより、溶融フラックスと被覆金属溶湯の比重差を
増幅し、フラックスと被覆金属溶湯との置換を容易にし
、薄肉の被覆鋳造を行うことを特徴とする被覆鋳造法。A molten flux is interposed in the cavity formed by the core and the part body to be coated, and the molten metal of the coating material is cast and at the same time a centrifugal force with a gravity multiple of 5 to 15 is applied. A coating casting method characterized by amplifying the specific gravity difference between flux and coating molten metal, facilitating replacement of flux and coating molten metal, and performing thin coating casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63308554A JPH0613140B2 (en) | 1988-12-06 | 1988-12-06 | Coating casting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63308554A JPH0613140B2 (en) | 1988-12-06 | 1988-12-06 | Coating casting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02155554A true JPH02155554A (en) | 1990-06-14 |
| JPH0613140B2 JPH0613140B2 (en) | 1994-02-23 |
Family
ID=17982430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63308554A Expired - Fee Related JPH0613140B2 (en) | 1988-12-06 | 1988-12-06 | Coating casting method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0613140B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0873806A1 (en) * | 1997-04-09 | 1998-10-28 | Akashi Gohdoh inc. | Process and apparatus for making a composite casting |
| CN109967714A (en) * | 2019-05-07 | 2019-07-05 | 上海工程技术大学 | Composite centrifugal casting mold for annular titanium alloy part |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5830456B2 (en) * | 2012-11-22 | 2015-12-09 | 日立建機株式会社 | Cylinder block coating layer forming method and cylinder block |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4889813U (en) * | 1972-02-04 | 1973-10-29 | ||
| JPS56139271A (en) * | 1980-04-02 | 1981-10-30 | Daido Steel Co Ltd | Manufacture of composite ingot |
-
1988
- 1988-12-06 JP JP63308554A patent/JPH0613140B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4889813U (en) * | 1972-02-04 | 1973-10-29 | ||
| JPS56139271A (en) * | 1980-04-02 | 1981-10-30 | Daido Steel Co Ltd | Manufacture of composite ingot |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0873806A1 (en) * | 1997-04-09 | 1998-10-28 | Akashi Gohdoh inc. | Process and apparatus for making a composite casting |
| CN109967714A (en) * | 2019-05-07 | 2019-07-05 | 上海工程技术大学 | Composite centrifugal casting mold for annular titanium alloy part |
| CN109967714B (en) * | 2019-05-07 | 2021-06-11 | 上海工程技术大学 | Composite centrifugal casting mould for titanium alloy ring-shaped piece |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0613140B2 (en) | 1994-02-23 |
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