JPH0327311B2 - - Google Patents
Info
- Publication number
- JPH0327311B2 JPH0327311B2 JP7227982A JP7227982A JPH0327311B2 JP H0327311 B2 JPH0327311 B2 JP H0327311B2 JP 7227982 A JP7227982 A JP 7227982A JP 7227982 A JP7227982 A JP 7227982A JP H0327311 B2 JPH0327311 B2 JP H0327311B2
- Authority
- JP
- Japan
- Prior art keywords
- journal
- shaft
- right cylindrical
- flange
- cylindrical
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/063—Friction heat forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/129—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding specially adapted for particular articles or work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Fixing For Electrophotography (AREA)
- Rolls And Other Rotary Bodies (AREA)
Description
【発明の詳細な説明】
本発明はローラの製造方法に関し、特に直円筒
部の両端部に軸部を同心に固着して成るローラの
製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a roller, and more particularly to a method for manufacturing a roller in which a shaft portion is fixed concentrically to both ends of a right cylindrical portion.
このようなローラは、たとえば静電式複写機に
おける定着用熱ローラとして用いられており、第
１図はその一部を切欠いて示す斜視図である。直
円筒部１の両端部にはジヤーナル部２，３が摩擦
圧接によつて固着される。直円筒部１およびジヤ
ーナル部２，３にはヒータが挿通される。直円筒
部１は熱伝導率の良好な材料たとえばアルミニウ
ムから成る。またジヤーナル部２，３は、放熱量
を可及的に抑えるために、熱伝導率の小さな材料
たとえばステンレス鋼から成る。 Such a roller is used, for example, as a heat fixing roller in an electrostatic copying machine, and FIG. 1 is a partially cutaway perspective view of the roller. Journal parts 2 and 3 are fixed to both ends of the right cylindrical part 1 by friction welding. A heater is inserted through the right cylindrical portion 1 and the journal portions 2 and 3. The right cylindrical portion 1 is made of a material with good thermal conductivity, such as aluminum. Further, the journal parts 2 and 3 are made of a material with low thermal conductivity, such as stainless steel, in order to suppress the amount of heat radiation as much as possible.
第２図は第１図の先行技術の製造工程を説明す
るための断面図である。ジヤーナル部２は鍛造あ
るいは切削加工によつて製造される。鍛造によつ
て製造する場合には、ステンレス鋼が比較的剛性
を有することに起因して軸部４の孔６を同時に形
成することは困難であり、鍛造加工後に孔６の切
削加工を行なわなければならない。したがつて孔
６の部分のステンレス鋼が切削層として無駄に捨
てられることになり材料の消費量が大となるとと
もに、製造工程が複雑である。また切削加工によ
る場合には、厚肉管体の第２図１における仮想線
５で示す外周部分および仮想線７で示す内周部分
を切削するので、比較的多くの材料が無駄になる
とともに、切削加工のために手間がかかる。この
ようにして製造されたジヤーナル部２は、回転駆
動され、そのジヤーナル部２に直円筒部１を押付
けることによつて、第２図２で示すように直円筒
部１とジヤーナル部２とが摩擦圧接により一体的
に固着される。 FIG. 2 is a sectional view for explaining the manufacturing process of the prior art shown in FIG. The journal portion 2 is manufactured by forging or cutting. When manufacturing by forging, it is difficult to simultaneously form the holes 6 in the shaft portion 4 due to the relative rigidity of stainless steel, and the holes 6 must be cut after the forging process. Must be. Therefore, the stainless steel in the hole 6 portion is wasted as a cutting layer, which increases material consumption and complicates the manufacturing process. Furthermore, in the case of cutting, the outer circumferential portion indicated by the imaginary line 5 and the inner circumferential portion indicated by the imaginary line 7 in FIG. The cutting process is time consuming. The journal part 2 manufactured in this way is driven to rotate, and by pressing the right cylindrical part 1 against the journal part 2, the right cylindrical part 1 and the journal part 2 are separated as shown in FIG. are fixed together by friction welding.
本発明の目的は、上述の技術的課題を解決し、
製造工程が簡略化されしかも資材の無駄が可及的
に抑えられたローラの製造方法を提供することで
ある。 The purpose of the present invention is to solve the above-mentioned technical problems,
To provide a method for manufacturing a roller in which the manufacturing process is simplified and waste of materials is suppressed as much as possible.
以下、図面によつて本発明の実施例を説明す
る。第３図は本発明の一実施例の断面図である。
このローラ１０は、たとえば静電式複写機の熱定
着装置における熱ローラとして用いられる。ロー
ラ１０は、アルミニウム製直円筒部１１の両端部
に、図示しない軸受で受けるためのジヤーナル部
１２を一体的に固着して成る。ジヤーナル部１２
は、ステンレス鋼製軸部１３とアルミニウム製フ
ランジ１４とから成り、ジヤーナル部１２および
直円筒部１１は摩擦圧接により一体的に固着され
る。 Embodiments of the present invention will be described below with reference to the drawings. FIG. 3 is a sectional view of one embodiment of the present invention.
This roller 10 is used, for example, as a heat roller in a heat fixing device of an electrostatic copying machine. The roller 10 is formed by integrally fixing journal parts 12 to both ends of a right cylindrical part 11 made of aluminum to be received by bearings (not shown). Journal part 12
consists of a stainless steel shaft portion 13 and an aluminum flange 14, and the journal portion 12 and the right cylindrical portion 11 are integrally fixed by friction welding.
第４図を参照して、ローラ１０の製造にあたつ
ては、軸部１３と保持型枠１５とを準備する。軸
部１３は短円筒状であり、その一端部には半径方
向外方に張出した係合部分１６が全周にわたつて
形成される。この係合部分１６の周縁部には円周
方向に間隔をあけて複数の切欠き１７が形成され
る。なお、軸部１３はプレス成型、鍛造あるいは
切削加工などによつて形成される。 Referring to FIG. 4, in manufacturing the roller 10, a shaft portion 13 and a holding frame 15 are prepared. The shaft portion 13 has a short cylindrical shape, and an engaging portion 16 extending radially outward is formed at one end thereof over the entire circumference. A plurality of notches 17 are formed at intervals in the circumferential direction on the peripheral edge of the engaging portion 16. Note that the shaft portion 13 is formed by press molding, forging, cutting, or the like.
保持型枠１５は剛性材料から成り、その外形は
円筒状である。この保持型枠１５には、軸部１３
を挿入しうる挿入孔１８および直円筒部１１の外
径に対応した内径を有する嵌入孔１９が、両孔１
８，１９の軸線に直角な段差面２０を介して同心
に形成される。 The holding formwork 15 is made of a rigid material and has a cylindrical outer shape. This holding formwork 15 has a shaft portion 13
An insertion hole 18 into which the cylindrical part can be inserted and a fitting hole 19 having an inner diameter corresponding to the outer diameter of the right cylindrical part 11 are provided in both holes 1.
8 and 19 are formed concentrically via a step surface 20 perpendicular to the axis.
第５図を参照して、軸部１３は、係合部分１６
を段差面２０に臨ませて挿入孔１８に挿入され
る。この状態で、嵌入孔１９には、フランジ１４
を構成するための短円筒状のフランジ構成部材２
１が嵌入される。このフランジ構成部材２１はた
とえばアルミニウムから成り、直円筒部１１に対
応する外径を有し、かつ直円筒部１１よりも大な
る肉厚ｔを有する。さらに、押し型枠２２が準備
される。この押し型枠２２は剛性材料から成る短
円筒状であり、直円筒部１１の内径に対応する外
径を有し、軸部１３内に嵌入される突部２２ａが
同心に突出される。この突部２２ａの突出長さｌ
１はフランジ構成部材２１の軸線方向長さｌ２よ
りも大に選ばれる。 Referring to FIG. 5, the shaft portion 13 has an engaging portion 16
is inserted into the insertion hole 18 so as to face the stepped surface 20. In this state, the fitting hole 19 has a flange 14
Short cylindrical flange component 2 for configuring
1 is inserted. The flange component 21 is made of aluminum, for example, and has an outer diameter corresponding to the right cylindrical portion 11 and a wall thickness t larger than that of the right cylindrical portion 11 . Furthermore, a pressing formwork 22 is prepared. The press mold frame 22 has a short cylindrical shape made of a rigid material, has an outer diameter corresponding to the inner diameter of the right cylindrical portion 11, and has a protrusion 22a that is fitted into the shaft portion 13 and protrudes concentrically. The protrusion length l of this protrusion 22a
1 is selected to be larger than the axial length l2 of the flange component 21.
第６図を参照して、押し型枠２２は、嵌入孔１
９内に嵌入されているフランジ構成部材２１に向
けて同心に鍛造により押込まれる。それにより、
フランジ構成部材２１は塑性変形し、軸部１３の
係合部分１６がフランジ構成部材２１の変形部分
２１ａ内に食い込んだ状態となる。それによつ
て、軸部１３の半径方向外方に延びる外鍔部分２
３ａと、外鍔部分２３ａから軸部１３と反対方向
に延びる円筒部分２３ｂとから成るフランジ１４
が形成されるとともに、フランジ１４と軸部１３
とが一体的に固着してジヤーナル部１２が構成さ
れる。しかも鍛造によつて固着されているので、
フランジ１４と軸部１３とは強固に一体化され
る。 Referring to FIG.
It is forged concentrically toward the flange component 21 fitted into the flange member 9 . Thereby,
The flange component 21 is plastically deformed, and the engaging portion 16 of the shaft portion 13 bites into the deformed portion 21a of the flange component 21. Thereby, the outer flange portion 2 extending radially outwardly of the shaft portion 13
3a, and a cylindrical portion 23b extending from the outer flange portion 23a in the opposite direction to the shaft portion 13.
is formed, and the flange 14 and shaft portion 13
are integrally fixed to form the journal portion 12. Moreover, since it is fixed by forging,
The flange 14 and the shaft portion 13 are firmly integrated.
上述のごとき鍛造工程により一対のジヤーナル
部１２を構成した後、一方のジヤーナル部１２を
高速回転させるとともに、第７図で示すように直
円筒部１１の一方端面をジヤーナル部１２の円筒
部分２３ｂに向けて押付ける。それによつて直円
筒部１１の一方端面と円筒部分２３ｂとの摩擦に
よる発熱が生じ、直円筒部１１の一方端部が溶融
することにより、第３図で示したように、ジヤー
ナル部１２と直円筒部１１の一方端部とが一体的
に固着される。次いで、上述と同様にして、他方
のジヤーナル部１２と直円筒部１１の他方端面と
を摩擦圧接により固着する。こうしてローラ１０
の製造工程が完了する。 After forming the pair of journal parts 12 by the above-described forging process, one journal part 12 is rotated at high speed, and one end surface of the right cylindrical part 11 is attached to the cylindrical part 23b of the journal part 12, as shown in FIG. Push towards it. As a result, heat generation occurs due to friction between the one end surface of the right cylindrical portion 11 and the cylindrical portion 23b, and the one end of the right cylindrical portion 11 is melted, so that the end surface of the right cylindrical portion 11 is melted, and as a result, as shown in FIG. One end of the cylindrical portion 11 is integrally fixed. Next, in the same manner as described above, the other journal part 12 and the other end surface of the right cylindrical part 11 are fixed by friction welding. Thus roller 10
The manufacturing process is completed.
この実施例によれば、フランジ構成部材２１を
鍛造により変形するとともに軸部１３と一体化す
るので、フランジ１４と軸部１３との強固な一体
化が達成される。しかも切削加工する部分が少な
いので資材の無駄が生じることが極力防止され、
工程の短縮化が達成される。 According to this embodiment, the flange component 21 is deformed by forging and integrated with the shaft portion 13, so that the flange 14 and the shaft portion 13 are firmly integrated. Moreover, since there are few parts to be cut, wastage of materials is prevented as much as possible.
Process shortening is achieved.
第８図は本発明の他の実施例の断面図であり、
前述の実施例に対応する部分には同一の参照符を
付す。この実施例では、保持型枠１５および軸線
方向距離が大とされた押し型枠２６を準備する。
このような保持型枠１５および押し型枠２６を用
いて、直円柱状フランジ構成部材２７を前述の実
施例と同様に鍛造してジヤーナル部２４を形成す
るが、このジヤーナル部２４の円筒部分２５は第
９図で示すように軸線方向に長く形成される。し
たがつて円筒部分２５は直円筒部としての機能を
果すことになり、結果的に直円筒部の一端部とジ
ヤーナル部とが一体的に構成されたことになる。
次いで、前述の実施例と同様にして構成したジヤ
ーナル部１２を準備し、このジヤーナル部１２と
直円筒部としての円筒部分２５の他端部とを第１
０図で示すように摩擦圧接により一体的に固着す
る。こうしてローラ１０の製造工程が完了する。 FIG. 8 is a sectional view of another embodiment of the present invention,
Parts corresponding to the previous embodiments are given the same reference numerals. In this example, a holding formwork 15 and a pushing formwork 26 with a large axial distance are prepared.
Using such a holding mold 15 and a pressing mold 26, the right cylindrical flange component 27 is forged in the same manner as in the previous embodiment to form the journal part 24. is formed long in the axial direction as shown in FIG. Therefore, the cylindrical portion 25 functions as a right cylindrical portion, and as a result, one end of the right cylindrical portion and the journal portion are integrally constituted.
Next, a journal part 12 configured in the same manner as in the above embodiment is prepared, and this journal part 12 and the other end of the cylindrical part 25 as a right cylinder part are connected to the first
As shown in Figure 0, they are fixed together by friction welding. In this way, the manufacturing process of the roller 10 is completed.
なお、軸部１３の係合部分１６は、半径方向外
方に張出していなくてもよく、窪みなどであつて
もよく、フランジ構成部材２１と軸部１３とが確
実に一体化されるような係合部分を形成しておけ
ばよい。 Note that the engaging portion 16 of the shaft portion 13 does not need to protrude outward in the radial direction, and may be a recess, etc., so that the flange component 21 and the shaft portion 13 are reliably integrated. It is only necessary to form an engaging portion.
上述の実施例では静電式複写機の熱ローラに関
連して説明したが、本発明は他のローラに関連し
て広く実施されうる。したがつて軸部１３は中実
の円柱状であつてもよい。また直円筒部１１およ
びフランジ構成部材２１はアルミニウム以外の材
質であつてもよく、さらに軸部１３はステンレス
鋼以外の材質であつてもよい。 Although the embodiments described above have been described in connection with a heated roller of an electrostatic copying machine, the present invention can be widely practiced in connection with other rollers. Therefore, the shaft portion 13 may have a solid cylindrical shape. Furthermore, the right cylindrical portion 11 and the flange component 21 may be made of a material other than aluminum, and the shaft portion 13 may be made of a material other than stainless steel.
上述のごとく本発明によれば、鍛造によりジヤ
ーナル部を形成するようにしたので、製造工程が
短縮化されるとともに、資材の無駄が生じること
が極力防止される。 As described above, according to the present invention, since the journal portion is formed by forging, the manufacturing process is shortened and waste of materials is prevented as much as possible.
第１図は先行技術の一部を切欠いて示す斜視
図、第２図は第１図の先行技術の製造工程を説明
するための断面図、第３図は本発明の一実施例の
断面図、第４図、第５図、第６図および第７図は
製造工程を説明するための断面図、第８図、第９
図および第１０図は本発明の他の実施例の製造工
程を説明するための断面図である。
１１……直円筒部、１２……ジヤーナル部、１
３……軸部、１４……フランジ、１５……保持型
枠、１６……係合部分、１８……挿入孔、１９…
…嵌入孔、２０……段差面、２１，２７……フラ
ンジ構成部材、２２，２６……押し型枠、２３ａ
……外鍔部分、２３ｂ，２５……円筒部分。
Fig. 1 is a perspective view showing a part of the prior art with a cutaway, Fig. 2 is a cross-sectional view for explaining the manufacturing process of the prior art shown in Fig. 1, and Fig. 3 is a cross-sectional view of an embodiment of the present invention. , FIG. 4, FIG. 5, FIG. 6, and FIG. 7 are cross-sectional views for explaining the manufacturing process, and FIG. 8, FIG.
Figures 1 and 10 are cross-sectional views for explaining the manufacturing process of another embodiment of the present invention. 11...Right cylindrical part, 12...Journal part, 1
3... Shaft portion, 14... Flange, 15... Holding formwork, 16... Engaging portion, 18... Insertion hole, 19...
... Fitting hole, 20 ... Step surface, 21, 27 ... Flange component, 22, 26 ... Push formwork, 23a
...Outer flange part, 23b, 25...Cylindrical part.
Claims (1)
部を同心に固着して成るローラの製造方法におい
て、 円柱状の押し型枠、ならびに軸部を挿入しうる
挿入孔および直円筒部の外径に対応した内径を有
する嵌入孔が段差面を介して同心に連設された保
持型枠とによつて、 一端部に係合部分を形成して成る軸部を前記挿
入孔に挿入して係合部分を段差面に臨ませた状態
で、直円筒部の外径に対応した外径のフランジ構
成部材を嵌入孔に嵌入し、そのフランジ構成部材
に押し型枠を押し込んで、前記軸部、ならびにフ
ランジが一体的に固着されたジヤーナル部を形成
し、ジヤーナル部の軸部と反対側の端部と直円筒
部の端部とを摩擦圧接して固着することを特徴と
するローラの製造方法。 ２ 前記押し型枠を押し込むことにより、軸部、
ならびに軸部の半径方向外方に張出した外鍔部分
およびその外鍔部分から前記軸部と反対方向に延
びる円筒部分からなるフランジが一体的に固着さ
れたジヤーナル部を形成し、ジヤーナル部の円筒
部分と直円筒部の端部とを摩擦圧接して固着する
ことを特徴とする特許請求の範囲第１項記載のロ
ーラの製造方法。 ３ 前記ジヤーナル部の形成時に、前記円筒部分
を軸線方向に長く形成することにより、円筒部分
を直円筒部としてジヤーナル部および直円筒部を
一体的に形成することを特徴とする特許請求の範
囲第２項記載のローラの製造方法。[Scope of Claims] 1. A method for manufacturing a roller in which a shaft is concentrically fixed to at least one end in the axial direction of a right cylindrical portion, comprising: a cylindrical pressing mold, an insertion hole into which the shaft can be inserted; Inserting the shaft part, which has an engaging part formed at one end thereof, by means of a holding formwork in which a fitting hole having an inner diameter corresponding to the outer diameter of the right cylindrical part is concentrically connected via a stepped surface. Insert into the hole and with the engaging part facing the stepped surface, fit a flange component with an outer diameter corresponding to the outer diameter of the right cylindrical part into the insertion hole, and push the press form into the flange component. The shaft part and the flange are integrally fixed to form a journal part, and the end of the journal part opposite to the shaft part and the end of the right cylindrical part are fixed by friction welding. A method for manufacturing a roller. 2 By pushing the pressing mold, the shaft part,
A flange consisting of an outer flange projecting outward in the radial direction of the shaft portion and a cylindrical portion extending from the outer flange portion in the opposite direction to the shaft portion forms a journal portion integrally fixed to the cylindrical portion of the journal portion. 2. The method of manufacturing a roller according to claim 1, wherein the portion and the end of the right cylindrical portion are fixed by friction welding. 3. When forming the journal part, the cylindrical part is formed to be elongated in the axial direction, so that the journal part and the right cylindrical part are integrally formed with the cylindrical part as a right cylindrical part. 2. A method for manufacturing a roller according to item 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7227982A JPS58188589A (en) | 1982-04-28 | 1982-04-28 | Production of roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7227982A JPS58188589A (en) | 1982-04-28 | 1982-04-28 | Production of roll |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58188589A JPS58188589A (en) | 1983-11-04 |
| JPH0327311B2 true JPH0327311B2 (en) | 1991-04-15 |
Family
ID=13484682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7227982A Granted JPS58188589A (en) | 1982-04-28 | 1982-04-28 | Production of roll |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58188589A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100688066B1 (en) | 2005-10-12 | 2007-03-02 | (주)페스코 | Manufacturing method of long neck flange |
| US20090124475A1 (en) * | 2007-11-13 | 2009-05-14 | Pickering Jerry A | Fixing member |
| CN106078100A (en) * | 2016-06-30 | 2016-11-09 | 佛山市高明基业冷轧钢板有限公司 | A kind of jockey pulley and preparation method thereof |
-
1982
- 1982-04-28 JP JP7227982A patent/JPS58188589A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58188589A (en) | 1983-11-04 |
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