JPS61186146A - Casting method of blade for built-up type propeller - Google Patents
Casting method of blade for built-up type propellerInfo
- Publication number
- JPS61186146A JPS61186146A JP2510985A JP2510985A JPS61186146A JP S61186146 A JPS61186146 A JP S61186146A JP 2510985 A JP2510985 A JP 2510985A JP 2510985 A JP2510985 A JP 2510985A JP S61186146 A JPS61186146 A JP S61186146A
- Authority
- JP
- Japan
- Prior art keywords
- parts
- riser
- blade
- mold
- blades
- 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
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、組立式プロペラ用羽根の鋳造法に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to a method for casting blades for a prefabricated propeller.
（従来の技術）
従来の組立式プロペラの鋳造法は、現型模型（Ｅｌｏｌ
ｉｄ ｐａｔｔｅｒｎ ｎｏｌｄ）を製作し、それによ
つつて鋳型を製作する縦鋳込法によシ、翼を一枚ずつ鋳
造していた。第４図に１この従来の鋳造法を示す。第４
図において、０１は押湯、０２は発熱スリーブ、０３は
鋳型、０４は翼、０７は円形の湯道、０９はフランジ部
である。また、第５図乃至第７図に１翼０４の形状を示
す。第６図は、第５図のも一■矢視図、第７図は、第５
図の■矢視図である。(Prior art) The conventional casting method for prefabricated propellers is based on an existing model (Elol
The blades were cast one by one using the vertical casting method, in which a pattern (id pattern no. Figure 4 shows this conventional casting method. Fourth
In the figure, 01 is a riser, 02 is a heat generating sleeve, 03 is a mold, 04 is a wing, 07 is a circular runner, and 09 is a flange portion. Further, the shape of the first blade 04 is shown in FIGS. 5 to 7. Figure 6 is a view from the side of Figure 5, and Figure 7 is a view of Figure 5.
It is a view in the direction of the ■ arrow in the figure.
すなわち、従来方法では、第５図乃至第７図に示すプロ
ペラ翼０４数枚をフランジ部０９でボス（図示省略）に
取付けて成る組立式プロペラの鋳造を、現型模型によっ
て、第４図のようにして一枚づ＼鋳込んでいた。かかる
従来方法は、下記に示すような欠点を有していた。That is, in the conventional method, an assembly type propeller is cast by attaching several propeller blades 04 shown in FIGS. In this way, they were cast one by one. Such conventional methods had the following drawbacks.
（１）現型である為、模型費、造型工数が犬である。(1) Since it is a current model, the model cost and manufacturing man-hours are high.
（２） 押湯断面積が広く、押湯切断工数が大である
。(2) The cross-sectional area of the feeder is wide, and the number of man-hours required to cut the feeder is large.
（３）押湯加熱にホット−トップ（三極式）法が採用し
難い。(3) It is difficult to use the hot-top (three-electrode) method for heating the riser.
（４）各翼部に押湯をつけるので、押湯用の溶湯が多量
に必要である。(4) Since a riser is attached to each wing, a large amount of molten metal is required for the riser.
（発明が解決しようとする問題点）
本発明の目的は、上記従来方法の欠点を解消した組立式
プロペラ用羽根の鋳造法を提供することである。(Problems to be Solved by the Invention) An object of the present invention is to provide a method for casting blades for a prefabricated propeller, which eliminates the drawbacks of the above-mentioned conventional methods.
（問題点を解決するための手段）
本発明は、組立式プロペラ用羽根の鋳造にあたり、外周
面が多角面とした角形湯道の上方に押湯部を形成すると
共に、その中央部に、数頭円錐状の中空を具えるように
中子を配し、各羽根のフランジ部が前記多角面に夫々直
着するように、角形湯道を中心に放射方向に配置して、
各々の羽根を角形湯道で連通した状態で鋳込んだ後、各
々の羽根のフランジ部間を切断するようにしたことを特
徴とする組立式プロペラ用羽根の鋳造法に関する。(Means for Solving the Problems) When casting blades for an assembly type propeller, the present invention forms a feeder part above a rectangular runner whose outer peripheral surface is a polygonal surface, and also forms a feeder part in the center of the runner part. The core is arranged so as to have a cone-shaped hollow, and the flange portion of each blade is arranged in a radial direction around the square runner so that it is directly attached to the polygonal surface, respectively,
The present invention relates to a method for casting blades for an assembled propeller, characterized in that after each blade is cast in a state in which the blades are connected through a rectangular runner, the flange portions of each blade are cut.
第４図に示す従来の鋳造法では、翼０４を縦にし、その
上に押湯部を設け、押湯０１の周シには、押湯０１を徐
冷させる為、発熱スリーブ０２を用いていた。また、溶
湯は、円形の湯道０７を用い、押し上げ式としていた。In the conventional casting method shown in Fig. 4, the blade 04 is made vertical, a feeder section is provided above it, and a heat generating sleeve 02 is used around the feeder 01 in order to slowly cool the feeder 01. Ta. Further, the molten metal was pushed up using a circular runner 07.
一方、本発明による鋳造法を、第１図乃至第３図によっ
て説明する。第２図は第１図のムーム断面矢視図、第３
図は第１図及び第２図の斜視図であるが、翼の先端部及
び湯口は、切断し省略している。図中、１は押湯、４は
翼、６はアーク式押湯加熱装置（ｌ１ｏｔ−ｔｏｐ式）
の電極、７は角形の湯道、８は湯口、９は７ランク部で
ある。また、図は、３枚のプロペラの同時鋳造例を示す
。On the other hand, the casting method according to the present invention will be explained with reference to FIGS. 1 to 3. Figure 2 is a cross-sectional view of Moom in Figure 1, and Figure 3.
The figure is a perspective view of FIGS. 1 and 2, but the tip of the blade and the sprue are cut and omitted. In the figure, 1 is a feeder, 4 is a blade, and 6 is an arc type feeder heating device (l1ot-top type)
, 7 is a rectangular runner, 8 is a sprue, and 9 is a 7-rank part. The figure also shows an example of simultaneous casting of three propellers.
本発明方法では、従来の１翼ずつの鋳造法に比し、角形
の湯道７を用いて、一体型のプロペラと同様の製作方法
としている。また、押湯部１は、従来の発熱スリーブ０
２に）ｎＸえて、よシ効果の高いアーク式押湯加熱装置
を用いている。In the method of the present invention, a square runner 7 is used, and the manufacturing method is similar to that of a one-piece propeller, as compared to the conventional method of casting one blade at a time. In addition, the feeder section 1 is equipped with a conventional heat generating sleeve 0.
2) In addition to nX, we use an arc-type feeder heating device which is highly effective.
すなわち、本発明では、翼４数枚を角形の湯道７と、翼
４の７ランク部９でつなぐと共に１翼４の共通の円錐ド
ーナツ形押湯１をつけるのである。That is, in the present invention, several blades are connected by a rectangular runner 7 and a 7-rank portion 9 of the blade 4, and a common conical doughnut-shaped riser 1 is attached to each blade 4.
本発明における鋳型は中子Ｂと外型りとからなり、鋳型
の翼部４はプロペラの回転中心０に立てたセンターボー
ルを中心に、かき板を旋回させて砂をかき取り造型する
かき型（Ｓｗｅｅｐｉｎｇｍｏｌｄ）により造型し、７
ランク部９と、湯道７、押湯１のみを一体の現型（Ｂｏ
ｌｌ ｐａｔｔｅｒｎ ｍｏｌｄ）で造型の上、上記両
モールドを組合せることにより成型される。The mold in the present invention consists of a core B and an outer mold, and the blade part 4 of the mold is a scraper mold that scrapes sand by rotating a scraper plate around a center ball set at the rotation center 0 of the propeller. (Sweeping mold), 7
The current model (Bo
ll pattern mold), and then molded by combining both of the above molds.
湯口８より注湯された溶湯は１、湯道７を通り、各７ラ
ンク部９及び翼４に流入すると共に、高い円錐ドーナツ
形押湯１に上がり、ここを、アーク式押湯加熱装置によ
シ加熱され、翼４の先端部、充分な押湯効果を作用せら
れた状態で凝固する。円錐ドーナツ型押湯１の分断は、
第３図のα面を、又、各翼４の分離は、２部を切断する
ことにより容易に行われる。The molten metal poured from the sprue 8 passes through the runners 1 and 7, flows into each of the seven ranks 9 and the blades 4, and rises to the high conical donut-shaped feeder 1, where it is sent to an arc type feeder heating device. The blade 4 is thoroughly heated and solidified in the state where a sufficient riser effect is applied to the tip of the blade 4. The division of the conical donut-shaped riser 1 is as follows:
Separation of each blade 4 from the α plane in FIG. 3 is easily performed by cutting two parts.
（発明の効果）
（１）翼部がかき型で造型でき、現型模型費は不要であ
る。(Effects of the invention) (1) The wing portion can be molded using a scraper mold, and there is no need for the cost of an existing model.
（２）押湯断面積が小さく、そのため切断が容易である
。(2) The feeder has a small cross-sectional area and is therefore easy to cut.
（３） Ｈｏｔ−ｔｏｐ方式が採用でき、鋳造欠陥が
減少する。(3) Hot-top method can be adopted, reducing casting defects.
（４）押湯１ケで済み、押湯用溶湯の低減ができる。(4) Only one feeder is required, reducing the amount of molten metal used for the feeder.
（５）７ランク部、角す湯道、押湯用の一体現型用模型
（ｐａｔｔｅｒｎ ）は、翼の形状が変っても流用可能
である。(5) The integrated pattern for the 7-rank section, corner runner, and riser can be used even if the shape of the blade changes.
第１図乃至第３図は、本発明に係る組立式プロペラ用羽
根の鋳造法の説明図であシ、第４図乃至第７図は、従来
のそれの説明図である。
復代理人 内 １） 明
復代理人 萩 原 亮 −
第１図
第２図
第３図FIGS. 1 to 3 are explanatory diagrams of a method for casting blades for an assembled propeller according to the present invention, and FIGS. 4 to 7 are explanatory diagrams of the conventional method. Sub-Agents 1) Meifu Agent Ryo Hagiwara - Figure 1 Figure 2 Figure 3
Claims (1)
とした角形湯道の上方に押湯部を形成すると共に、その
中央部に、裁頭円錐状の中空を具えるように中子を配し
、各羽根のフランジ部が前記多角面に夫々面着するよう
に、角形湯道を中心に放射方向に配置して、各々の羽根
を角形湯道で連通した状態で鋳込んだ後、各々の羽根の
フランジ部間を切断するようにしたことを特徴とする組
立式プロペラ用羽根の鋳造法。When casting blades for a prefabricated propeller, a riser is formed above a rectangular runner with a polygonal outer peripheral surface, and a core is placed in the center of the riser so as to have a truncated cone-shaped hollow. Then, the flange portions of each blade were placed in the radial direction around the square runner so that they were flush with the polygonal surface, and after casting each blade with the square runner communicating with each other, A method for casting blades for an assembled propeller, characterized in that the blades are cut between the flange portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2510985A JPH064180B2 (en) | 1985-02-14 | 1985-02-14 | Casting method of blade for assembly type propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2510985A JPH064180B2 (en) | 1985-02-14 | 1985-02-14 | Casting method of blade for assembly type propeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61186146A true JPS61186146A (en) | 1986-08-19 |
| JPH064180B2 JPH064180B2 (en) | 1994-01-19 |
Family
ID=12156757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2510985A Expired - Fee Related JPH064180B2 (en) | 1985-02-14 | 1985-02-14 | Casting method of blade for assembly type propeller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH064180B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102125980A (en) * | 2011-03-10 | 2011-07-20 | Stx（大连）发动机有限公司 | Casting moulding process for preparing large ship propeller from synthetic resin |
| CN109746398A (en) * | 2019-03-08 | 2019-05-14 | 贵阳华烽有色铸造有限公司 | A kind of casting die for bend pipe casting |
-
1985
- 1985-02-14 JP JP2510985A patent/JPH064180B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102125980A (en) * | 2011-03-10 | 2011-07-20 | Stx（大连）发动机有限公司 | Casting moulding process for preparing large ship propeller from synthetic resin |
| CN109746398A (en) * | 2019-03-08 | 2019-05-14 | 贵阳华烽有色铸造有限公司 | A kind of casting die for bend pipe casting |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH064180B2 (en) | 1994-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |