JPH05177454A - Manufacture of girth gear - Google Patents
Manufacture of girth gearInfo
- Publication number
- JPH05177454A JPH05177454A JP35860291A JP35860291A JPH05177454A JP H05177454 A JPH05177454 A JP H05177454A JP 35860291 A JP35860291 A JP 35860291A JP 35860291 A JP35860291 A JP 35860291A JP H05177454 A JPH05177454 A JP H05177454A
- Authority
- JP
- Japan
- Prior art keywords
- gear
- girth
- square bar
- manufacturing
- girth gear
- 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
Landscapes
- Gear Processing (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、セメント工場、パルプ
工場、化学工場等で使用されているロータリーキルン
（ｒｏｔａｒｙ ｋｉｌｎ：回転窯）に用いられている
ガースギヤー（ｇｉｒｔｈ ｇｅａｒ：胴周歯車）の製
造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a girth gear used in a rotary kiln used in a cement factory, a pulp factory, a chemical factory or the like. Regarding
【０００２】[0002]
【従来の技術】従来、セメント工場やパルプ工場で使用
されているロータリーキルンを回転させる手段としてガ
ースギヤーが用いられ、該ガースギヤーは全て鋳造によ
り製造されていた。例えば、図４に示すように、ロータ
リーキルン７０は、外側にガースギヤー７１が取付けら
れ、該ガースギヤー７１の下部にピニオンギヤー７２が
設けられ、前記ピニオンギア７２をモータで回転させる
ことによって、該ロータリキルンを回転させるようにし
ている。以上のように回転するロータリーキルン７０に
取付けられたガースギヤー７１の製造方法は、ガースギ
ヤー７１と同じ物を木型で作り、該木型に基づいて鋳型
を製作し、該鋳型に鋳鋼を流し込み凝固した後に鋳型を
取り外し、最後に歯切りや仕上げ加工等を施してガース
ギヤー７１を製造していた。2. Description of the Related Art Heretofore, a girth gear has been used as a means for rotating a rotary kiln used in a cement factory or a pulp factory, and all the girth gears have been manufactured by casting. For example, as shown in FIG. 4, in the rotary kiln 70, a girth gear 71 is attached to the outside, a pinion gear 72 is provided below the girth gear 71, and the pinion gear 72 is rotated by a motor to rotate the rotary kiln. I am trying to rotate it. As described above, the method for manufacturing the girth gear 71 attached to the rotating kiln 70 is the same as the girth gear 71 made of a wooden mold, a mold is manufactured based on the wooden mold, and cast steel is poured into the mold to solidify the mold. The mold was removed, and finally, gear cutting and finishing were performed to manufacture the girth gear 71.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前記従
来のガースギヤー７１の製造方法は、鋳物技術師や木型
工等の熟練工を必要とし、木型の製作に多額の費用及び
長期の工期を要し、更には鋳物の宿命である砂かみ、ひ
け巣等が発生し易く品質が一定しないという問題点があ
った。本発明はこのような事情に鑑みてなされたもの
で、鋳物技術師や木型工等の熟練工を必要とせず、工期
が短く高品質で安価に製造することができるガースギヤ
ーの製造方法を提供することを目的とする。However, the above-mentioned conventional method for manufacturing the girth gear 71 requires a skilled engineer such as a casting engineer and a woodworker, and requires a large amount of money and a long construction period to manufacture the woodworking mold. Furthermore, there is a problem that sand fogging, sinkholes, etc., which are the fate of the casting, are likely to occur and the quality is not constant. The present invention has been made in view of such circumstances, and provides a method for manufacturing a girth gear that does not require a skilled engineer such as a casting engineer or a woodworker and can be manufactured at high quality at low cost with a short construction period. The purpose is to
【０００４】[0004]
【課題を解決するための手段】前記目的に沿う請求項１
記載のガースギヤーの製造方法は、ロータリーキルンに
外装される二分割構造のガースギヤーの製造方法であっ
て、予め用意した所定長の鋼または合金鋼等からなる角
材に曲げ加工を施して半円状と成し、機械加工あるいは
溶接加工によって前記半円状の角材の内側に補強リブを
形成し、該補強リブが形成された角材の両端に合わせ面
が形成される連結部材を溶接取付けし、必要に応じて取
付け孔が形成される補助板を前記補強リブの内側に溶接
取付けしてギヤ素材を製作した後、該ギヤ素材に応力除
去焼鈍を行い、しかる後所定の前処理機械加工を行って
歯切り加工を行うように構成されている。そして、請求
項２記載のガースギヤーの製造方法は、前記請求項１記
載の歯切り加工を行った後、焼入れ加工を行うように構
成されている。ここに、前記所定の前処理機械加工は、
ギヤ素材の表面加工、孔加工や所定の寸法や形状に加工
すること等をいう。A method according to the above-mentioned object.
The method for manufacturing the girth gear described above is a method for manufacturing a girth gear having a two-part structure that is externally mounted on a rotary kiln, and bends a square bar made of steel or alloy steel of a predetermined length prepared in advance to form a semicircular shape. Then, reinforcing ribs are formed on the inside of the semicircular square bar by machining or welding, and connecting members having mating surfaces are welded and attached at both ends of the square bar on which the reinforcing ribs are formed. After manufacturing the gear material by welding and attaching the auxiliary plate with the mounting hole formed inside the reinforcing rib, the gear material is subjected to stress relieving annealing, and then subjected to predetermined pretreatment machining to perform gear cutting. It is configured to perform processing. The method for manufacturing a girth gear according to a second aspect is configured to perform the quenching after the gear cutting according to the first aspect. Here, the predetermined pretreatment machining is
This refers to surface processing, hole processing, and processing into a predetermined size and shape of gear material.
【０００５】[0005]
【作用】請求項１記載のガースギヤーの製造方法におい
ては、まず、所定長の角材に曲げ加工を施して半円状に
する。該半円状の角材の内側に機械加工あるいは溶接加
工によって補強リブを形成し、該角材の両端に連結部材
を溶接取付けする。そして、必要に応じて取付け孔が形
成される補助板を前記補強リブの内側に溶接取付けして
ギヤ素材を製作した後、該ギヤ素材に応力除去焼鈍を行
い、その後所定の前処理機械加工を行って歯切り加工を
行うので、木型工及び鋳物技術者等の熟練工を必要とせ
ずにガースギヤーを製造することができる。請求項２記
載のガースギヤーの製造方法においては、前記歯切り加
工を行った後、ガースギヤーに焼入れ加工を行い、より
強度があるガースギヤーを製造することができる。In the method for manufacturing a girth gear according to the first aspect of the present invention, first, a square member having a predetermined length is bent into a semicircular shape. Reinforcing ribs are formed on the inside of the semi-circular square bar by machining or welding, and connecting members are attached by welding to both ends of the square bar. Then, if necessary, an auxiliary plate having mounting holes formed therein is welded to the inside of the reinforcing ribs to manufacture a gear material, and then the gear material is subjected to stress relief annealing, and then subjected to predetermined pretreatment machining. Since the gear cutting process is performed, the girth gear can be manufactured without requiring skilled workers such as a wood pattern maker and a foundry engineer. In the method for manufacturing a girth gear according to the second aspect, after the gear cutting process is performed, the girth gear is subjected to quenching process to manufacture a stronger girth gear.
【０００６】[0006]
【実施例】続いて、添付した図面を参照しつつ、本発明
を具体化した実施例につき説明し、本発明の理解に供す
る。ここに、図１は本発明の第１の実施例に係るガース
ギヤーの製造工程の説明図、図２はガースギヤーを外装
したロータリーキルンの部分断面図である。図１に示す
ようにガースギヤーの製造工程は、（Ａ）に示すように
予め製造しようとするガースギヤーより充分大きい炭素
鋼（例えば、Ｓ３５Ｃ）からなる角材１１を準備し、
（Ｂ）に示すように、該角材１１をプレスに依って半円
状に曲げ加工を行う。Embodiments of the present invention will now be described with reference to the accompanying drawings to provide an understanding of the present invention. FIG. 1 is an explanatory view of a manufacturing process of a girth gear according to the first embodiment of the present invention, and FIG. 2 is a partial sectional view of a rotary kiln having a girth gear as an exterior. As shown in FIG. 1, in the girth gear manufacturing process, a square bar 11 made of carbon steel (for example, S35C) sufficiently larger than the girth gear to be manufactured in advance is prepared as shown in (A).
As shown in (B), the square bar 11 is bent into a semicircular shape by a press.
【０００７】そして、（Ｃ）に示すように、該半円板状
に形成した二枚の補強リブ１２を角材１１の内側に溶接
加工して固定し、（Ｄ）に示すように、前記角材１１と
補強リブ１２の両端部に方形板からなる連結部材１３を
溶接する。更に、（Ｅ）に示すように取付け孔を設けよ
うとする位置に必要によって半円板状の補助板１４を補
強リブ１２の側面に溶接して取付ける。そして、全体が
組み上がった後、残留応力を除去するためにギヤ素材１
８を炉に入れて加熱し応力除去焼鈍を行う。その後、竪
旋盤、中ぐり盤あるいはボール盤等を使用してギヤ素材
１８の表面加工と所定の寸法加工等を行う。ここで、前
記補助板１４を溶接した部分に板バネを取付ける取付け
孔１５を設けるが、この加工は前記応力除去焼鈍の前に
行っても良い。Then, as shown in (C), the two reinforcing ribs 12 formed in the shape of a semi-disc are welded and fixed to the inside of the square bar 11, and as shown in (D), A connecting member 13 made of a rectangular plate is welded to both ends of 11 and the reinforcing rib 12. Further, as shown in (E), if necessary, a semi-circular auxiliary plate 14 is welded and attached to the side surface of the reinforcing rib 12 at a position where an attachment hole is to be provided. After the whole is assembled, the gear material 1 is removed to remove the residual stress.
8 is put in a furnace and heated to perform stress relief annealing. After that, a vertical lathe, a boring machine, a drilling machine or the like is used to perform surface processing and predetermined dimension processing of the gear material 18. Here, a mounting hole 15 for mounting a leaf spring is provided in a portion where the auxiliary plate 14 is welded, but this processing may be performed before the stress relief annealing.
【０００８】次に、前記連結部材１３の表面に中ぐり盤
等を用いてキー溝１６を形成すると共に中ぐり盤等を使
用して所定のリーマー孔１７を形成する。そして、歯切
り盤を用いて歯切り加工して（Ｆ）に示すようなガース
ギヤー２０が完成するが、場合によっては噛合歯１９を
加工した後、焼入れ加工を行う。Next, a key groove 16 is formed on the surface of the connecting member 13 by using a boring machine or the like, and a predetermined reamer hole 17 is formed by using the boring machine or the like. Then, gear cutting is performed using a gear cutting machine to complete the girth gear 20 as shown in (F), but in some cases, after the meshing teeth 19 are processed, quenching is performed.
【０００９】なお、補強リブ１２、連結部材１３及び補
助板１４は、角材１１に用いた素材と同素材を用いるこ
とも可能であるが、通常の普通鋼（例えば、ＳＳ４１）
を用いても良い。以下に、前記工程により製造されたガ
ースギヤー２０をロータリーキルンに外装する方法につ
いて図２を用いて説明する。図２において、ロータリー
キルン２１は、その外側に二分割構造のガースギヤー２
０が板バネ２２を介して取付けられている。前記ガース
ギヤー２０は、相互のキー溝１６（図１参照）に位置決
めキー２３が嵌入されて相互の連結部材１３の接合位置
が定められる。その後リーマー孔１７（図１参照）に図
示しないリーマーボルトを用いて相互の連結部材１３を
固定してロータリーキルン２１の外側にガースギヤー２
０が設けられる。前記ガースギヤー２０は取付け孔１５
に板バネ２２の一端が取り付けられてロータリーキルン
２１に連結される。The reinforcing rib 12, the connecting member 13 and the auxiliary plate 14 can be made of the same material as that used for the square bar 11, but ordinary ordinary steel (eg SS41).
May be used. Hereinafter, a method of covering the rotary kiln with the girth gear 20 manufactured through the above steps will be described with reference to FIG. In FIG. 2, the rotary kiln 21 has a girth gear 2 having a two-part structure on the outside thereof.
0 is attached via a leaf spring 22. In the girth gear 20, a positioning key 23 is fitted into a mutual key groove 16 (see FIG. 1) to determine a joint position of the mutual connecting members 13. Thereafter, the connecting members 13 are fixed to the reamer holes 17 (see FIG. 1) using reamer bolts (not shown), and the girth gear 2 is attached to the outside of the rotary kiln 21.
0 is provided. The girth gear 20 has a mounting hole 15
One end of the leaf spring 22 is attached to the rotary kiln 21.
【００１０】なお、以上の実施例において、前記補強リ
ブ１２は予め製作して溶接によって取付けたが、始めに
用意する角材に充分厚みのある材料を使用し、削り出す
ことも可能である。また、前記実施例において、補強リ
ブ１２は半円状となった角材１１の内側に隙間を開けて
２枚設けられているが、中央または端部に一枚の補強リ
ブを設ける場合であっても本発明は適用される。更には
該補強リブの横方向の倒れを防止するため、図３に示す
ように、角材２６ａと補強リブ２６とに補助リブ２５を
所定間隔で設けることも可能である。In the above embodiment, the reinforcing ribs 12 were manufactured in advance and attached by welding. However, it is also possible to use a material having a sufficient thickness as a square bar to be prepared at first and carve it out. Further, in the above embodiment, two reinforcing ribs 12 are provided inside the semi-circular square bar 11 with a gap, but in the case where one reinforcing rib is provided at the center or at the end. The present invention also applies. Further, in order to prevent the reinforcing ribs from collapsing in the lateral direction, as shown in FIG. 3, it is possible to provide the auxiliary ribs 25 at predetermined intervals on the square members 26a and the reinforcing ribs 26.
【００１１】前記角材１１を屈曲する方法としてプレス
による冷間曲げ加工によって行ったが、鍛造品によって
製造する方法、高周波で加熱しながら曲げ加工を行う方
法がある。また、前記実施例においては補強リブ１２に
補助板１４を設けて取付け孔１５を形成するようにした
が、図３に示すように、補強リブ２６に直接取付け孔２
７を形成することも可能である。更には、前記角材とし
て、炭素鋼を用いたが、普通鋼あるいはクロムモリブデ
ン鋼のような合金鋼であっても本発明は適用される。As a method of bending the square member 11, cold bending by a press is used, but there are a method of manufacturing by a forged product and a method of bending while heating at a high frequency. Further, in the above-described embodiment, the auxiliary plate 14 is provided on the reinforcing rib 12 to form the mounting hole 15. However, as shown in FIG.
It is also possible to form 7. Further, although carbon steel is used as the above-mentioned square bar, the present invention is also applicable to ordinary steel or alloy steel such as chrome molybdenum steel.
【００１２】[0012]
【発明の効果】請求項１及び２記載のガースギヤーの製
造方法は、所定長の角材に曲げ加工を施して補強リブを
形成し、その後溶接加工、応力除去焼鈍、歯切り加工等
を行って製造するので、鋳物技術師や木型工等の熟練工
を必要とせず、安価に短期間で高品質なガースギヤーを
製造することができる。特に、請求項２記載のガースギ
ヤーの製造方法においては、前記歯切り加工の後、焼入
れ加工を行うのでより強度があるガースギヤーを製造す
ることができる。According to the method of manufacturing a girth gear according to the first and second aspects of the present invention, a rectangular rib having a predetermined length is bent to form a reinforcing rib, and then welding, stress relief annealing, gear cutting, etc. are performed. Therefore, a high-quality girth gear can be manufactured at low cost in a short period of time without requiring a skilled engineer such as a casting engineer or a woodworker. Particularly, in the method for manufacturing a girth gear according to the second aspect, since the gear cutting is followed by the quenching, a girth gear having higher strength can be manufactured.
【図１】本発明の第１の実施例に係るガースギヤーの製
造工程の説明図である。FIG. 1 is an explanatory diagram of a manufacturing process of a girth gear according to a first embodiment of the present invention.
【図２】ガースギヤーを外装したロータリーキルンの部
分断面図である。FIG. 2 is a partial cross-sectional view of a rotary kiln having a girth gear mounted thereon.
【図３】第２の実施例に係るガースギヤーの部分斜視図
である。FIG. 3 is a partial perspective view of a girth gear according to a second embodiment.
【図４】従来例に係るロータリーキルンの斜視図であ
る。FIG. 4 is a perspective view of a rotary kiln according to a conventional example.
１１ 角材 １２ 補強リブ １３ 連結部材 １４ 補助板 １５ 取付け孔 １６ キー溝 １７ リーマー孔 １８ ギヤ素材 １９ 噛合歯 ２０ ガースギヤー ２１ ロータリーキルン ２２ 板バネ ２３ 位置決めキー ２５ 補助リブ ２６ａ 角材 ２６ 補強リブ ２７ 取付け孔 11 Square Bar 12 Reinforcing Rib 13 Connecting Member 14 Auxiliary Plate 15 Mounting Hole 16 Key Groove 17 Reamer Hole 18 Gear Material 19 Interlocking Teeth 20 Garth Gear 21 Rotary Kiln 22 Leaf Spring 23 Positioning Key 25 Auxiliary Rib 26a Square Bar 26 Reinforcing Rib 27 Mounting Hole
Claims (2)
造のガースギヤーの製造方法であって、予め用意した所
定長の鋼または合金鋼等からなる角材に曲げ加工を施し
て半円状と成し、機械加工あるいは溶接加工によって前
記半円状の角材の内側に補強リブを形成し、該補強リブ
が形成された角材の両端に合わせ面が形成される連結部
材を溶接取付けし、必要に応じて取付け孔が形成される
補助板を前記補強リブの内側に溶接取付けしてギヤ素材
を製作した後、該ギヤ素材に応力除去焼鈍を行い、しか
る後所定の前処理機械加工を行って歯切り加工を行うこ
とを特徴とするガースギヤーの製造方法。1. A method of manufacturing a girth gear having a two-division structure to be installed in a rotary kiln, wherein a square bar made of steel or alloy steel having a predetermined length prepared in advance is bent into a semi-circular shape, Reinforcing ribs are formed on the inside of the semi-circular square bar by machining or welding, and connecting members having mating surfaces are welded on both ends of the square bar on which the reinforcing ribs are formed. After manufacturing the gear material by welding the auxiliary plate on which is formed inside the reinforcing rib, the gear material is subjected to stress relief annealing, and then predetermined pretreatment machining is performed for gear cutting. A method for manufacturing a girth gear characterized in that
後、焼入れ加工を行うことを特徴とするガースギヤーの
製造方法。2. A method for manufacturing a girth gear, which comprises quenching after the gear cutting according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35860291A JPH05177454A (en) | 1991-12-25 | 1991-12-25 | Manufacture of girth gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35860291A JPH05177454A (en) | 1991-12-25 | 1991-12-25 | Manufacture of girth gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05177454A true JPH05177454A (en) | 1993-07-20 |
Family
ID=18460164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35860291A Pending JPH05177454A (en) | 1991-12-25 | 1991-12-25 | Manufacture of girth gear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05177454A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013536377A (en) * | 2010-07-02 | 2013-09-19 | アクティエボラゲット・エスコーエッフ | Bearing ring and manufacturing method thereof |
| CN105855817A (en) * | 2016-06-07 | 2016-08-17 | 株洲齿轮有限责任公司 | Cylindrical finish turning blank special for producing planetary gear and machining method thereof |
| CN106425340A (en) * | 2016-07-15 | 2017-02-22 | 华南理工大学 | Non-traditional machining method of RV cycloid gear |
| CN106964948A (en) * | 2017-05-26 | 2017-07-21 | 孙阳 | A kind of processing technology of marine gear |
-
1991
- 1991-12-25 JP JP35860291A patent/JPH05177454A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013536377A (en) * | 2010-07-02 | 2013-09-19 | アクティエボラゲット・エスコーエッフ | Bearing ring and manufacturing method thereof |
| US9360050B2 (en) | 2010-07-02 | 2016-06-07 | Aktiebolaget Skf | Bearing ring and a method for its manufacturing |
| CN105855817A (en) * | 2016-06-07 | 2016-08-17 | 株洲齿轮有限责任公司 | Cylindrical finish turning blank special for producing planetary gear and machining method thereof |
| CN106425340A (en) * | 2016-07-15 | 2017-02-22 | 华南理工大学 | Non-traditional machining method of RV cycloid gear |
| CN106964948A (en) * | 2017-05-26 | 2017-07-21 | 孙阳 | A kind of processing technology of marine gear |
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