JPH0748615B2 - Corrugated horn manufacturing method - Google Patents

Corrugated horn manufacturing method

Info

Publication number
JPH0748615B2
JPH0748615B2 JP1034194A JP3419489A JPH0748615B2 JP H0748615 B2 JPH0748615 B2 JP H0748615B2 JP 1034194 A JP1034194 A JP 1034194A JP 3419489 A JP3419489 A JP 3419489A JP H0748615 B2 JPH0748615 B2 JP H0748615B2
Authority
JP
Japan
Prior art keywords
stepped
corrugated horn
cutting tool
manufacturing
tool
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 - Lifetime
Application number
JP1034194A
Other languages
Japanese (ja)
Other versions
JPH02213205A (en
Inventor
昌行 大下
富二夫 景山
雅義 片山
実 大▲崎▼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP1034194A priority Critical patent/JPH0748615B2/en
Publication of JPH02213205A publication Critical patent/JPH02213205A/en
Publication of JPH0748615B2 publication Critical patent/JPH0748615B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Control Of Motors That Do Not Use Commutators (AREA)
  • Waveguide Aerials (AREA)

Description

【発明の詳細な説明】 [産業上の利用分野] この発明は例えばアンテナ等において、電波の放射に用
いられるコルゲートホーンに関し、詳しくは段付フィン
を有するコルゲートホーンの製造法に関するものであ
る。
Description: TECHNICAL FIELD The present invention relates to a corrugated horn used for radiating radio waves in, for example, an antenna, and more particularly to a method for manufacturing a corrugated horn having stepped fins.

[従来の技術] 第3図はこの種コルゲートホーンの一例を示す断面図で
あり、図において(1)は導電性金属により円錐状に形
成された外筒部である。この外筒部(1)の内壁は図示
の如く階段状に形成されている。(2a),(2b)……
(2n)は外筒部(1)と同種金属よりなる段付フィンで
ある。これら段付フィンは段高が順次異なっている。段
付フィンは外筒部(1)と電気的結合されてコルゲート
ホーン母体(10)を形成する。コルゲートホーン母体
(10)の両端には導電性よりなる接合用フランジ(3
a),(3b)が配設されコルゲートホーンが構成され
る。
[Prior Art] FIG. 3 is a cross-sectional view showing an example of this type of corrugated horn, and in the figure, (1) is an outer cylindrical portion formed of a conductive metal in a conical shape. The inner wall of the outer cylinder portion (1) is formed in a stepped shape as shown in the figure. (2a), (2b) ……
(2n) is a stepped fin made of the same metal as the outer cylinder (1). These stepped fins have different step heights. The stepped fin is electrically coupled to the outer cylinder part (1) to form a corrugated horn mother body (10). At both ends of the corrugated horn base (10), conductive flanges (3
A corrugated horn is constructed by arranging a) and (3b).

第4図は前記コルゲートホーン母体(10)を製造する途
中の電鋳芯金(100)の断面図である。順次異なる所定
の段高さに加工された段付フィン(2a),(2b)……
(2n)を、この段付フィン(2a),(2b)……(2n)に
嵌合する形状に加工された可溶性スペーサ(21a),(2
1b)……(21n)を順次介在させながら階段状に積層
し、軸材(201)と端板(301a),(301b)により回転
対称でしかも層間隙が生じないように矢印方向に加圧挟
持され、その外周表面は機械加工(ア)されている。
(401a),(401b)はマスキング範囲を示す。
FIG. 4 is a cross-sectional view of the electroformed core metal (100) in the process of manufacturing the corrugated horn mother body (10). Stepped fins (2a), (2b) ...
Soluble spacers (21a), (2) processed to fit (2n) into these stepped fins (2a), (2b) (2n)
1b) …… (21n) are laminated in a stepwise manner with interposition, and the shaft (201) and the end plates (301a), (301b) are rotationally symmetrical and pressed in the direction of the arrow so that no layer gap is created. It is sandwiched and its outer peripheral surface is machined (A).
(401a) and (401b) indicate masking ranges.

第5図は段付フィン(2a),(2b)……(2n)および可
溶性スペーサ(21a),(21b)……(21n)と電鋳肉盛
層(11a),(11b)(11c)の結合部を示す断面拡大図
である。図において、(211a),(211b)……(211n)
は可溶性スペーサ(21a),(21b)……(21n)の外周
表面のエッチング面である。このエッチング面(211
a),(211b)……(211n)には、可溶性スペーサ(21
a),(21b)……(21n)と電鋳肉盛層(11a)との密着
性を改善するための亜鉛置換層(501)が形成され、第
1の電鋳肉盛層(11a)の形成後の機械加工(A)によ
り段付フィン(2a),(2b)……(2n)の先端(210
a),(210b)……(201n)の亜鉛置換層は除去されて
いる。機械加工(B)は電鋳肉盛層(11b)の円周方向
の肉厚差を補整し、機械加工(C)は電鋳作業完了後に
内面を所定寸法にする。
Fig. 5 shows stepped fins (2a), (2b) ... (2n) and fusible spacers (21a), (21b) ... (21n) and electroformed overlays (11a), (11b) (11c). FIG. 3 is an enlarged cross-sectional view showing a joint portion of In the figure, (211a), (211b) …… (211n)
Is the etching surface of the outer peripheral surface of the soluble spacers (21a), (21b) ... (21n). This etching surface (211
a), (211b) ... (211n) has a soluble spacer (21
a), (21b) ... (21n) and a zinc substitution layer (501) for improving the adhesion between the electroformed overlay (11a) and the first electroformed overlay (11a) By machining (A) after the formation of the stepped fins (2a), (2b) ... (2n) tips (210
The zinc substitution layers of a), (210b) ... (201n) have been removed. The machining (B) compensates for the wall thickness difference in the circumferential direction of the electroformed overlay (11b), and the machining (C) makes the inner surface a predetermined size after the completion of the electroforming work.

通常は、段付フィン(2a),(2b)……(2n)には銅材
が使用され、可溶性スペーサ(21a),(21b)……(21
n)にはアルミニウム材が使用され、軸材(201)には切
削性の良好な黄銅材が使われ、電鋳肉盛層(11a),(1
1b)(11c)には硫酸銅メッキ槽による銅層が使用され
る。
Normally, copper material is used for the stepped fins (2a), (2b) ... (2n), and the soluble spacers (21a), (21b) ... (21
n) is made of aluminum, the shaft (201) is made of brass with good machinability, and the electroformed overlay (11a), (1
A copper layer from a copper sulfate plating bath is used for 1b) and 11c).

次に製造工程について説明する。所定個所をマスキング
(410a),(401b)された電鋳芯金(100)を苛性ソー
ダを含む水溶液中でエッチング(約0.3mm)処理により
エッチング面(211a),(211b)……(211n)を形成
し、亜鉛メッキ槽にて亜鉛置換層(501)を生成させ、
青化銅メッキ槽による銅ストライクメッキ(図示せず)
を介して第1の電鋳肉盛層(11a)を硫酸銅メッキ槽に
て形成する。第1の電鋳肉盛層(11a)の外周部は機械
加工(A)され、段付フィン(2a),(2b)……(2n)
の先端(201a),(201b)……(201n)の亜鉛置換層を
除去すると共に、第1の電鋳肉盛層(11a)の肉厚(電
鋳肉盛層の肉厚は不揃い)が補整される。先端の亜鉛置
換層を除去された電鋳芯金(100)は、再び硫酸銅メッ
キ槽にて第2の電鋳肉盛層(11b)を形成せしめ、機械
加工(B)にて肉厚が補整される。この工程は所定の電
鋳肉盛厚さになるまで繰返し実施される。所定の電鋳肉
厚が形成された電鋳芯金(100)は、機械加工により軸
材(201)を旋削等で除去し、機械加工(C)にて所定
寸法に内面加工される。このように加工された電鋳母体
は再び苛性ソーダを含む水溶液中に浸漬することにより
可溶性スペーサ(21a),(21b)……(21n)が溶解さ
れ、コルゲートホーン母体(10)が完成する。完成され
たコルゲートホーン母体(10)は、所定位置に接合用フ
ランジ(3a),(3b)がろう付け等により接合されコル
ゲートホーンが製造される。
Next, the manufacturing process will be described. The electroformed cored bar (100) masked (410a) and (401b) at a predetermined location is etched (about 0.3 mm) in an aqueous solution containing caustic soda to form the etched surfaces (211a), (211b) ... (211n). Form and form a zinc replacement layer (501) in a galvanizing bath,
Copper strike plating in a copper bromide plating tank (not shown)
The first electroformed overlay (11a) is formed in the copper sulfate plating bath. The outer peripheral portion of the first electroformed overlay (11a) is machined (A), and the stepped fins (2a), (2b) ... (2n)
Of the tips (201a), (201b), ... (201n) of the zinc replacement layer, and the thickness of the first electroformed overlay (11a) (the thickness of the electroformed overlay is not uniform) Be adjusted. The electroformed mandrel (100) from which the zinc substitution layer at the tip has been removed has the second electroformed buildup layer (11b) formed again in a copper sulfate plating bath, and the thickness is machined (B). Be adjusted. This process is repeatedly performed until a predetermined electroformed overlay thickness is reached. The electroformed mandrel (100) having a predetermined electroformed wall thickness is machined to remove the shaft member (201) by turning or the like, and is machined (C) to be machined to a predetermined size. The electroformed matrix thus processed is again immersed in an aqueous solution containing caustic soda to dissolve the soluble spacers (21a), (21b) ... (21n), and the corrugated horn matrix (10) is completed. The completed corrugated horn mother body (10) is joined to the predetermined positions with the joining flanges (3a) and (3b) by brazing or the like to manufacture a corrugated horn.

[発明が解決しようとする課題] 従来の段付フィンを有するコルゲートホーンは以上のよ
うな電鋳工法による製造法であったので、高精度に加工
された電鋳芯金を必要とするだけでなく、エッチング処
理工程、亜鉛置換層生成工程、亜鉛置換層除去後の電鋳
工程、更に可溶性スペーサ部の溶解工程など製造工程が
複雑であるばかりでなく、多大な時間と費用を要するな
どの問題があった。
[Problems to be Solved by the Invention] Since the corrugated horn having the conventional stepped fins is manufactured by the electroforming method as described above, only the electroformed core metal processed with high precision is required. Not only complicated manufacturing process such as etching treatment process, zinc substitution layer generation process, electroforming process after removal of zinc substitution layer, and dissolution process of soluble spacer part, but also requires a lot of time and cost. was there.

この発明は上記のような問題点を解消するためになされ
たもので、鋳造法あるいは鍛造法において製作されたブ
ランクを、4方向に切刃を有する内径深溝加工用バイト
によって旋削加工することにより、電鋳芯金加工工程、
電鋳工程、溶解工程等の非能率作業から解放された段付
フィンを有するコルゲートホーンの製造法を提供するこ
とを目的とする。
This invention has been made to solve the above problems, by turning a blank manufactured in a casting method or a forging method with an inner diameter deep groove cutting tool having cutting edges in four directions, Electroformed core metal processing process,
An object of the present invention is to provide a method for manufacturing a corrugated horn having stepped fins that is free from inefficient work such as electroforming process and melting process.

[課題を解決するための手段] この発明に係るコルゲートホーンの製造法は、鋳造法あ
るいは鍛造法にて製作されたブランクを、前切刃・左側
切刃・右側切刃・段付切刃を配設した内径深溝加工用バ
イトによって旋削加工するものである。
[Means for Solving the Problem] The method for manufacturing a corrugated horn according to the present invention uses a blank manufactured by a casting method or a forging method to cut a front cutting edge, a left cutting edge, a right cutting edge, and a stepped cutting edge. The turning tool is used for the inner diameter deep groove cutting tool provided.

[作用] この発明におけるコルゲートホーンの製造法は、一体成
形されたブランクを、前切刃・左側切刃・右側切刃・段
付切刃の4切刃を有する内径深溝加工用バイトにより直
接旋削加工が可能となり、電鋳工法に関連する製造工程
が皆無となる。
[Operation] In the corrugated horn manufacturing method of the present invention, the integrally molded blank is directly turned by the inner diameter deep groove cutting tool having the four cutting edges of the front cutting edge, the left side cutting edge, the right side cutting edge and the stepped cutting edge. Machining becomes possible and there is no manufacturing process related to the electroforming method.

[実施例] 以下、この発明の一実施例を第1図および第2図につい
て説明する。第1図は旋削加工法による段付フィン(2
a),(2b)……(2n)の加工要領を示す断面詳細図で
あり、第2図は内径深溝加工用バイト(12)の平面図で
ある。図において、(11)は導電性金属から鍛造法によ
り製作されたブランクである。このブランク(11)から
外筒部(1)、接合用フランジ(3a),(3b)および段
付フィン(2a),(2b)……(2n)が一体的に彫り出さ
れる。,,は内径深溝加工用バイト(12)の移動
要領を示す。内径深溝加工用バイト(12)には前切刃
(12a)、左側切刃(12b)、右側切刃(12c)、段付切
刃(12d)の4切刃が配設されている。
[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. Figure 1 shows stepped fins (2
FIG. 2 is a detailed cross-sectional view showing a machining procedure of a), (2b) ... (2n), and FIG. 2 is a plan view of a cutting tool (12) for deep inner diameter groove machining. In the figure, (11) is a blank manufactured from a conductive metal by a forging method. The outer cylinder part (1), the joining flanges (3a), (3b) and the stepped fins (2a), (2b) ... (2n) are carved out integrally from the blank (11). ,, indicate how to move the inner diameter deep groove cutting tool (12). The inner diameter deep groove cutting tool (12) is provided with four cutting blades including a front cutting blade (12a), a left cutting blade (12b), a right cutting blade (12c) and a step cutting blade (12d).

次に製造工程について説明する。予め汎用工具(図示せ
ず)により所定の寸法形状に加工されたブランク(11)
を旋盤に設置する。ブランク(11)に機械加工(C)で
形成した穴より内径深溝加工用バイト(12)をまずの
位置に設定し、一点破線で示す方向に移動させ、前切刃
(12a)・左側切刃(12b)にて段付フィン(2c)の背面
および深溝外周面の一部を加工し、そしての位置に戻
す。戻された内径深溝加工用バイト(12)をの位置に
設置し、二点破線で示す方向に移動させ右側切刃(12
c)・前切刃(12a)にて段付フィン(2b)の段部上面お
よび深溝外周面の一部を加工し、の位置に戻す。次に
内径深溝加工用バイト(12)をの位置に設定した後第
1図の上方向に移動させ、右側切刃(12c)・段付切刃
(12d)にて段付フィン(2a)の段部側面および段付フ
ィン(2a)の上面の一部を加工完了させ、更に破線で示
す方向に移動し、右側切刃(12c)・前切刃(12a)にて
段付フィン(2a)の上面および深溝外周面の一部を加工
して内径深溝加工が完了する。以上の内径深溝加工を順
次行うことにより段付フィンを有するコルゲートホーン
が旋削加工される。
Next, the manufacturing process will be described. A blank (11) that has been processed into a predetermined size and shape with a general-purpose tool (not shown).
Is installed on the lathe. Set the inner diameter deep groove cutting tool (12) to the first position from the hole formed by machining (C) in the blank (11), move it in the direction indicated by the dashed line, and then cut the front cutting edge (12a) and left cutting edge. At (12b), the back surface of the stepped fin (2c) and part of the outer peripheral surface of the deep groove are processed, and then returned to the position. Install the returned inner diameter deep groove cutting tool (12) at the position and move it in the direction indicated by the two-dot broken line to move the right cutting edge (12
c) ・ Process the upper surface of the stepped portion of the stepped fin (2b) and part of the outer surface of the deep groove with the front cutting edge (12a) and return to the position. Next, after setting the inner diameter deep groove cutting tool (12) to the position of, move it upward in Fig. 1, and use the right cutting edge (12c) and step cutting edge (12d) to move the stepped fin (2a). Step side surface and part of the upper surface of the stepped fin (2a) have been machined, then moved in the direction indicated by the broken line, and the stepped fin (2a) is moved by the right cutting edge (12c) and front cutting edge (12a). The inner diameter deep groove processing is completed by processing a part of the upper surface and the outer surface of the deep groove. The corrugated horn having the stepped fins is turned by sequentially performing the inner diameter deep groove processing described above.

なお、上記実施例では鍛造法によるブランク(11)につ
いて示したが、鋳造法あるいは押出し材を用いてもよ
く、上記実施例と同様の効果を奏する。
In addition, although the blank (11) by the forging method is shown in the above-mentioned embodiment, a casting method or an extruded material may be used, and the same effect as that in the above-mentioned embodiment is obtained.

[発明の効果] 以上のように、この発明によれば接合用フランジ部・外
筒部を一体構成したブランクを前切刃・左側切刃・右側
切刃・段付切刃の4切刃を配設した内径深溝加工用バイ
トによって、直接旋削加工する製造法であるので、製造
工程が簡単になるだけでなく、コルゲートホーンが短時
間にしかも安価に得られる効果がある。
[Effects of the Invention] As described above, according to the present invention, a blank in which a joining flange portion and an outer cylinder portion are integrally configured has four cutting blades including a front cutting blade, a left cutting blade, a right cutting blade, and a step cutting blade. This is a manufacturing method in which the internal-diameter deep-groove cutting tool is directly turned, so that not only the manufacturing process is simplified, but also the corrugated horn can be obtained in a short time and at low cost.

【図面の簡単な説明】[Brief description of drawings]

第1図はこの発明の一実施例によるコルゲートホーンの
製造要領を示す断面詳細図、第2図は第1図のコルゲー
トホーンの製造時に使用するバイトを示す図、第3図は
従来のコルゲートホーンの断面図、第4図は第3図のコ
ルゲートホーンの電鋳芯金の断面図、第5図は第3図の
コルゲートホーンの製造要旨を示す断面詳細図である。 図において、(1)は外筒部、(2a),(2b)……(2
n)は段付フィン、(3a),(3b)は接合用フランジ、
(12)は内径深溝加工用バイト、(12a)は前切刃、(1
2b)は左側切刃、(12c)は右側切刃、(12d)は段付切
刃である。 なお、図中同一符号は同一または相当部分を示す。
FIG. 1 is a detailed cross-sectional view showing a manufacturing procedure of a corrugated horn according to an embodiment of the present invention, FIG. 2 is a view showing a bite used in manufacturing the corrugated horn of FIG. 1, and FIG. 3 is a conventional corrugated horn. 4 is a sectional view of the electroformed core of the corrugated horn shown in FIG. 3, and FIG. 5 is a detailed sectional view showing the manufacturing outline of the corrugated horn shown in FIG. In the figure, (1) is the outer cylinder part, (2a), (2b) …… (2
n) is a stepped fin, (3a) and (3b) are joint flanges,
(12) is a tool for deep internal groove machining, (12a) is a front cutting edge, (1
2b) is a left side cutting edge, (12c) is a right side cutting edge, and (12d) is a stepped cutting edge. The same reference numerals in the drawings indicate the same or corresponding parts.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 大▲崎▼ 実 兵庫県尼崎市塚口本町8丁目1番1号 三 菱電機株式会社通信機製作所内 (56)参考文献 特開 昭64−8702(JP,A) 実開 昭55−80908(JP,U) 特公 昭51−11316(JP,B1) 特公 昭55−47764(JP,B2) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor O ▲ saki ▼ 8-1, Tsukaguchi Honcho, Amagasaki City, Hyogo Prefecture Sanryo Electric Co., Ltd. Communication Equipment Factory (56) Reference Japanese Patent Laid-Open No. 64-8702 JP, A) Actual development Sho 55-80908 (JP, U) Special public Sho 51-11316 (JP, B1) Special public Sho 55-47764 (JP, B2)

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】段付フィンを有したコルゲートホーンを製
造する方法において、 概ね肉厚の円筒形をしたブランクを用意し、 前記ブランクの外周面および内周面を汎用工具により機
械加工し、 前記の整えられた内周面に対して、バイトの先端にバイ
トの長手方向に直交しバイト本体の幅よりも長い前刃と
この前刃の右端においてバイトの長手方向に平行にバイ
ト本体の方へ戻るように延びた右刃とこの右刃の内端で
鋭角状に形成された段付切刃と前記前刃の左端において
鋭角状に形成された左刃とを配設した内径深溝加工用バ
イトにより機械加工を施して所定形状の段付フィンを彫
り出すことを特徴とする段付フィンを有したコルゲート
ホーンの製造方法。
1. A method of manufacturing a corrugated horn having stepped fins, wherein a blank having a substantially thick cylindrical shape is prepared, and an outer peripheral surface and an inner peripheral surface of the blank are machined by a general-purpose tool, and With respect to the trimmed inner peripheral surface of the tool, the tip of the cutting tool is orthogonal to the longitudinal direction of the cutting tool and is longer than the width of the cutting tool body, and at the right end of this cutting tool, parallel to the cutting tool body at the right end. Internal diameter deep groove machining tool provided with a right blade extending so as to return, a stepped cutting edge formed in an acute angle at the inner end of the right blade, and a left blade formed in an acute angle at the left end of the front blade. A method for manufacturing a corrugated horn having a stepped fin, wherein the stepped fin having a predetermined shape is engraved by machining with.
JP1034194A 1989-02-13 1989-02-13 Corrugated horn manufacturing method Expired - Lifetime JPH0748615B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1034194A JPH0748615B2 (en) 1989-02-13 1989-02-13 Corrugated horn manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1034194A JPH0748615B2 (en) 1989-02-13 1989-02-13 Corrugated horn manufacturing method

Publications (2)

Publication Number Publication Date
JPH02213205A JPH02213205A (en) 1990-08-24
JPH0748615B2 true JPH0748615B2 (en) 1995-05-24

Family

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JP1034194A Expired - Lifetime JPH0748615B2 (en) 1989-02-13 1989-02-13 Corrugated horn manufacturing method

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114054795A (en) * 2021-12-17 2022-02-18 江西洪都航空工业集团有限责任公司 High-precision deep hole machining method based on turning center
CN116852054B (en) * 2023-08-31 2023-12-05 河南工学院 Terahertz conical corrugated horn layered casting and milling integrated manufacturing method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5430615B2 (en) * 1974-07-18 1979-10-02
JPS52135246A (en) * 1976-03-31 1977-11-12 Mitsubishi Electric Corp Manufacturing method of callgate horn
JPS5547764A (en) * 1978-10-02 1980-04-04 Nec Corp Electronic call meter unit
JPS5580908U (en) * 1978-11-30 1980-06-04
JPS648702A (en) * 1987-07-01 1989-01-12 Fujitsu Ltd Corrugated horn

Also Published As

Publication number Publication date
JPH02213205A (en) 1990-08-24

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