JP2951421B2 - Manufacturing method of deformed tube - Google Patents
Manufacturing method of deformed tubeInfo
- Publication number
- JP2951421B2 JP2951421B2 JP3664791A JP3664791A JP2951421B2 JP 2951421 B2 JP2951421 B2 JP 2951421B2 JP 3664791 A JP3664791 A JP 3664791A JP 3664791 A JP3664791 A JP 3664791A JP 2951421 B2 JP2951421 B2 JP 2951421B2
- Authority
- JP
- Japan
- Prior art keywords
- metal tube
- tube
- metal
- rolling
- 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.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000002184 metal Substances 0.000 claims description 92
- 238000005096 rolling process Methods 0.000 claims description 27
- 239000011347 resin Substances 0.000 claims description 20
- 229920005989 resin Polymers 0.000 claims description 20
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 102220057728 rs151235720 Human genes 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、互いにゆるく嵌合する
中空円筒形の外側金属管および中空円筒形の内側金属管
から相対回転不能ではあるが、軸線方向に摺動可能に嵌
合するチューブを形成する異形チューブの製造方法に関
するものである。このような異形チューブは、例えば、
動力伝達のプロペラシャフトに使用される。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tube which is relatively non-rotatable but axially slidably fitted from a hollow cylindrical outer metal tube and a hollow cylindrical inner metal tube which are loosely fitted to each other. The present invention relates to a method for manufacturing a deformed tube for forming a tube. Such a modified tube, for example,
Used for power transmission propeller shafts.
【０００２】[0002]
【従来の技術】従来、互いに回転不能かつ軸線方向に摺
動嵌合する中空の雄形、雌形の異形チューブを形成する
には、外側の雌用円筒形金属管および内側の雄用円筒形
金属管から別個に転造ダイスによりそれぞれ別個に異形
チューブを形成し、雄形異形チューブを形成した後にこ
の雄形異形チューブの外面に潤滑用の樹脂コーティング
を施していた。2. Description of the Related Art Conventionally, to form hollow male and female deformed tubes which are non-rotatable and slidably fit in the axial direction, an outer female cylindrical metal tube and an inner male cylindrical tube are conventionally used. A deformed tube was formed separately from a metal tube by a rolling die, and after forming a male deformed tube, a resin coating for lubrication was applied to the outer surface of the male deformed tube.
【０００３】[0003]
【発明が解決しようとする課題】しかし、この従来の異
形チューブの製造方法においては、雌形異形チューブお
よび雄形異形チューブを別個の芯金および転造ダイスを
使用して別個に転造する工程と、転造した後の雄形チュ
ーブに潤滑用樹脂コーティングを施す工程とを必要と
し、従って、完成までに別個の加工手順が必要であっ
た。However, in this conventional method for manufacturing a deformed tube, a step of separately rolling a female deformed tube and a male deformed tube using separate cored bars and rolling dies. And a step of applying a lubricating resin coating to the rolled male tube, thus requiring a separate processing procedure before completion.
【０００４】本発明の目的は、別個の加工手順が不要の
雌形および雄形の異形チューブの製造方法を得るにあ
る。[0004] It is an object of the present invention to provide a method for producing female and male deformed tubes that does not require a separate processing procedure.
【０００５】[0005]
【課題を解決するための手段】この目的を達成するた
め、本発明による第１の異形チューブ製造方法は、外側
円筒形金属管と外面に樹脂コーティングを施した内側円
筒形金属管とを互いに密着嵌合させるステップと、前記
外側金属管内に内側金属管を内包した状態で前記内側金
属管内に転造ダイスの芯金を挿入するステップと、前記
内側金属管および芯金を内包した状態で前記外側金属
管、前記内側金属管および前記芯金が相互に相対回転し
ないよう前記外側金属管を転造ダイスにより転造するス
テップとよりなることを特徴とする。In order to achieve this object, a first method for manufacturing a deformed tube according to the present invention is to closely contact an outer cylindrical metal tube and an inner cylindrical metal tube having a resin coating on the outer surface. Fitting; inserting the core of a rolling die into the inner metal tube with the inner metal tube included in the outer metal tube; and inserting the core with the inner metal tube and the core in the outer metal tube. Rolling the outer metal tube with a rolling die so that the metal tube, the inner metal tube, and the core metal do not rotate relative to each other.
【０００６】更に、本発明による第２の異形チューブ製
造方法は、樹脂コーティングが付着しない内面処理した
外側円筒形金属管と内側円筒形金属管とを互いに同心状
に心合わせするステップと、外側金属管と内側金属管と
の間の同心環状間隙に樹脂を充填して内側金属管の外面
に樹脂コーティングを施すステップと、前記外側金属管
内に内側金属管を内包した状態で前記内側金属管内に転
造ダイスの芯金を挿入するステップと、前記内側金属管
および芯金を内包した状態で前記外側金属管、前記内側
金属管および前記芯金が相互に相対回転しないよう前記
外側金属管を転造ダイスにより転造するステップとより
なることを特徴とする。Further, a second method for manufacturing a deformed tube according to the present invention comprises the steps of: concentrically centering an inner cylindrical metal tube and an inner cylindrical metal tube to which a resin coating is not adhered; Filling the concentric annular gap between the tube and the inner metal tube with resin and applying a resin coating to the outer surface of the inner metal tube; and rolling into the inner metal tube with the inner metal tube included in the outer metal tube. Inserting a core of a forming die, and rolling the outer metal tube so that the outer metal tube, the inner metal tube, and the core do not rotate relative to each other with the inner metal tube and the core included therein. Rolling with a die.
【０００７】[0007]
【作用】本発明による第１及び第２の製造方法によれ
ば、外側金属管と内側金属管との間の同心環状間隙を填
隙する樹脂は、両金属管をほぼ一体のユニットとして結
合し、従って、内側金属管用の芯金のみを使用して組合
せ金属管全体を同時に転造することができる。According to the first and second manufacturing methods of the present invention, the resin filling the concentric annular gap between the outer metal tube and the inner metal tube connects the two metal tubes as a substantially integral unit. Thus, the entire combined metal tube can be rolled simultaneously using only the core metal for the inner metal tube.
【０００８】[0008]
【実施例】次に、図面につき本発明の好適な実施例を説
明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings.
【０００９】図１の(a) は、樹脂コーティングが付着し
ない内面処理した中空円筒形の外側金属管１と中空円筒
形の樹脂コーティング３を施した内側金属管２とを互い
に同心状に密着嵌合させた、又は樹脂コーティングが付
着しない内面処理した中空円筒形の外側金属管１と中空
円筒形の内側金属管２とを互いに同心状に心合わせして
生じた外側金属管と内側金属管との間の同心環状間隙に
樹脂を充填し、内側金属管の外面に樹脂コーティング３
を形成し、外側金属管１内に内側金属管２を内包した状
態で内側金属管２内に転造ダイスの芯金４を挿入し、転
造ダイス５により転造する前の段階を示す。図１の(b)
は芯金４を挿入した組合せ金属管ユニット６の拡大断面
を示す。FIG. 1 (a) shows a hollow cylindrical outer metal tube 1 having an inner surface treated with no resin coating and an inner metal tube 2 coated with a hollow cylindrical resin coating 3, which are closely fitted concentrically to each other. An outer metal tube and an inner metal tube formed by concentrically aligning a hollow cylindrical outer metal tube 1 and a hollow cylindrical inner metal tube 2 which are combined or have an inner surface treated with no resin coating attached thereto. Is filled with resin and the outer surface of the inner metal tube is coated with resin.
This shows a stage before the core metal 4 of the rolling die is inserted into the inner metal tube 2 in a state where the inner metal tube 2 is included in the outer metal tube 1 and the outer metal tube 1 is rolled by the rolling die 5. FIG. 1 (b)
Shows an enlarged cross section of the combination metal tube unit 6 into which the cored bar 4 is inserted.
【００１０】図２の(a) は、組合せ金属管ユニット６を
転造ダイス５により転造中の断面図を示し、図２の(b)
は、図２の(a) に示す組合せ金属管６の拡大断面を示
す。FIG. 2A is a cross-sectional view of the combined metal tube unit 6 being rolled by the rolling dies 5, and FIG.
2 shows an enlarged cross section of the combined metal tube 6 shown in FIG.
【００１１】[0011]
【発明の効果】第１及び第２の本発明方法によれば、外
側異形チューブおよび内側異形チューブをそれぞれ別個
の芯金を使用する別個の転造ダイスにより別個に製造す
る必要がない。また、外側異形チューブおよび内側異形
チューブを同時に形成するため、外側チューブと内側チ
ューブの噛合嵌合の歯面のガタを発生することは決して
ない。更に、内側の雄形異形チューブを製造した後に樹
脂コーティングを施す必要がなくなる。According to the first and second methods of the present invention, it is not necessary to separately manufacture the outer profile tube and the inner profile tube by separate rolling dies each using a separate cored bar. Further, since the outer modified tube and the inner modified tube are formed at the same time, the rattle of the tooth surface of the mesh engagement between the outer tube and the inner tube is never generated. Furthermore, there is no need to apply a resin coating after the inner male profiled tube is manufactured.
【００１２】また本発明の第２の発明によれば、組合せ
金属管により外側異形チューブおよび内側異形チューブ
を同時に単独の芯金を使用した単独転造ダイスにより転
造する間に樹脂コーティングの特性を有する雄形異形チ
ューブが仕上がる。従って、第２の本発明方法によれ
ば、製造工程が一層簡略化され、安価に製造することが
できるという効果が得られる。Further, according to the second aspect of the present invention, the characteristics of the resin coating during the rolling of the outer deformed tube and the inner deformed tube by the combination metal tube simultaneously by the single rolling die using the single cored bar are improved. The finished male shaped tube is finished. Therefore, according to the second method of the present invention, it is possible to obtain an effect that the manufacturing process is further simplified and the manufacturing can be performed at low cost.
【図１】(a) は、外側金属管と内側金属管との間の同心
環状間隙が樹脂によって填隙された状態で組合せ金属管
ユニットの内側金属管内に転造ダイスの芯金を挿入し、
転造ダイスにより転造する前の段階を示す断面図であ
り、(b) は、(a) における芯金を挿入した組合せ金属管
ユニットの転造前の拡大断面図である。FIG. 1 (a) shows a state in which a core metal of a rolling die is inserted into an inner metal pipe of a combination metal pipe unit in a state where a concentric annular gap between an outer metal pipe and an inner metal pipe is filled with a resin. ,
It is sectional drawing which shows the stage before rolling by a rolling die, (b) is an expanded sectional view before rolling of the combination metal pipe unit in which the core metal was inserted in (a).
【図２】(a) は、組合せ金属管ユニットの転造ダイスに
よる転造中の断面図であり、(b) は、(a) に示す組合せ
金属管の拡大断面図である。2A is a cross-sectional view of the combined metal tube unit being rolled by a rolling die, and FIG. 2B is an enlarged sectional view of the combined metal tube shown in FIG.
１ 外側金属管 ２ 内側金属管 ３ 樹脂コーティング ４ 芯金 ５ 転造ダイス ６ 組合せ金属管ユニット DESCRIPTION OF SYMBOLS 1 Outer metal tube 2 Inner metal tube 3 Resin coating 4 Core metal 5 Rolling die 6 Combination metal tube unit
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) B21D 15/02 B21C 37/15 B21H 7/14 F16C 3/03 F16D 3/06 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) B21D 15/02 B21C 37/15 B21H 7/14 F16C 3/03 F16D 3/06
Claims (2)
属管および中空円筒形の内側金属管から相対回転不能で
はあるが、軸線方向に摺動可能に嵌合するチューブを形
成する異形チューブの製造方法において、外側円筒形金
属管と外面に樹脂コーティングを施した内側円筒形金属
管とを互いに密着嵌合させるステップと、前記外側金属
管内に内側金属管を内包した状態で前記内側金属管内に
転造ダイスの芯金を挿入するステップと、前記内側金属
管および芯金を内包した状態で前記外側金属管、前記内
側金属管および前記芯金が相互に相対回転しないよう前
記外側金属管を転造ダイスにより転造するステップとよ
りなることを特徴とする異形チューブの製造方法。An irregularly shaped tube forming a tube which is relatively non-rotatable but axially slidably fitted from a hollow cylindrical outer metal tube and a hollow cylindrical inner metal tube loosely fitted to each other. In the manufacturing method, an outer cylindrical metal tube and an inner cylindrical metal tube having a resin coating applied to the outer surface are closely fitted to each other, and the inner metal tube is contained in the outer metal tube while the inner metal tube is included in the outer metal tube. Inserting the core metal of the rolling die, and rolling the outer metal tube so that the outer metal tube, the inner metal tube, and the core metal do not rotate relative to each other with the inner metal tube and the core metal included. Forming a deformed tube by rolling with a forming die.
属管および中空円筒形の内側金属管から相対回転不能で
はあるが、軸線方向に摺動可能に嵌合するチューブを形
成する異形チューブの製造方法において、樹脂コーティ
ングが付着しない内面処理した外側円筒形金属管と内側
円筒形金属管とを互いに同心状に心合わせするステップ
と、外側金属管と内側金属管との間の同心環状間隙に樹
脂を充填して内側金属管の外面に樹脂コーティングを施
すステップと、前記外側金属管内に内側金属管を内包し
た状態で前記内側金属管内に転造ダイスの芯金を挿入す
るステップと、前記内側金属管および芯金を内包した状
態で前記外側金属管、前記内側金属管および前記芯金が
相互に相対回転しないよう前記外側金属管を転造ダイス
により転造するステップとよりなることを特徴とする異
形チューブの製造方法。2. A deformed tube which forms a tube which is relatively non-rotatable but axially slidably fitted from a hollow cylindrical outer metal tube and a hollow cylindrical inner metal tube loosely fitted to each other. In the manufacturing method, a step of concentrically centering the inner cylindrical metal pipe and the inner cylindrical metal pipe on which the resin coating does not adhere is provided in the concentric annular gap between the outer metal pipe and the inner metal pipe. Filling a resin and applying a resin coating to the outer surface of the inner metal tube; inserting a core of a rolling die into the inner metal tube while enclosing the inner metal tube in the outer metal tube; A method of rolling the outer metal tube with a rolling die so that the outer metal tube, the inner metal tube, and the core metal do not rotate relative to each other with the metal tube and the core metal included therein. Method of manufacturing a second tube, wherein become more thing-up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3664791A JP2951421B2 (en) | 1991-02-07 | 1991-02-07 | Manufacturing method of deformed tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3664791A JP2951421B2 (en) | 1991-02-07 | 1991-02-07 | Manufacturing method of deformed tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04258319A JPH04258319A (en) | 1992-09-14 |
| JP2951421B2 true JP2951421B2 (en) | 1999-09-20 |
Family
ID=12475646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3664791A Expired - Fee Related JP2951421B2 (en) | 1991-02-07 | 1991-02-07 | Manufacturing method of deformed tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2951421B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3923162B2 (en) * | 1998-01-14 | 2007-05-30 | 株式会社松井製作所 | Manufacturing method of deformed tube for drive shaft |
-
1991
- 1991-02-07 JP JP3664791A patent/JP2951421B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04258319A (en) | 1992-09-14 |
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