JP2000027849A - Rotating member, rotating shaft member, fixing roller of image forming device, cylindrical member, manufacture of rotating shaft member, and manufacture of developing sleeve of image forming device - Google Patents
Rotating member, rotating shaft member, fixing roller of image forming device, cylindrical member, manufacture of rotating shaft member, and manufacture of developing sleeve of image forming deviceInfo
- Publication number
- JP2000027849A JP2000027849A JP10198781A JP19878198A JP2000027849A JP 2000027849 A JP2000027849 A JP 2000027849A JP 10198781 A JP10198781 A JP 10198781A JP 19878198 A JP19878198 A JP 19878198A JP 2000027849 A JP2000027849 A JP 2000027849A
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- Japan
- Prior art keywords
- cylindrical member
- shaft member
- welding
- cylindrical
- space
- 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.)
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- Dry Development In Electrophotography (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Laser Beam Processing (AREA)
- Fixing For Electrophotography (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、円筒部材の開口端
部の閉成部材を溶接した円筒部材、回転部材、回転軸部
材等に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cylindrical member, a rotating member, a rotating shaft member, and the like obtained by welding a closing member at an open end of a cylindrical member.
【０００２】更に、本発明は、複写機、レーザービーム
プリンターなどの画像形成装置に使用する円筒部材、回
転部材に関する。Further, the present invention relates to a cylindrical member and a rotating member used for an image forming apparatus such as a copying machine and a laser beam printer.
【０００３】更に本発明は、それらの円筒部材、回転部
材、回転軸部材などの製造方法に関する。[0003] Further, the present invention relates to a method of manufacturing such a cylindrical member, a rotating member, a rotating shaft member and the like.
【０００４】[0004]
【従来の技術】複写機、レーザービームプリンターなど
の画像形成装置には、現像スリーブ、定着ローラなどの
円筒部材や回転部材が使用されている。2. Description of the Related Art An image forming apparatus such as a copying machine or a laser beam printer uses a cylindrical member or a rotating member such as a developing sleeve or a fixing roller.
【０００５】これらの円筒部材は円筒部の本体はアルミ
ニュム材料などを引き抜き加工し、開口部に軸部材を圧
入嵌合させて軸付き円筒部材としている。In these cylindrical members, the main body of the cylindrical portion is formed by drawing out an aluminum material or the like, and a shaft member is press-fitted into an opening to form a cylindrical member with a shaft.
【０００６】軸部材の結合は加熱焼きばめ結合してい
る。[0006] The connection of the shaft members is a heat shrink-fit connection.
【０００７】被溶接部材の材料がアルミニュムをレーザ
ー溶接する先行資料として特開平６−１５４７０号公開
公報がある。Japanese Patent Application Laid-Open No. 6-15470 discloses a prior material for laser welding aluminum as a material of a member to be welded.
【０００８】該公報に開示する技術は、アルミニュム材
の溶接割れを生じることのないレーザー溶接方法を提供
することを目的とし、発明の構成として、溶接すべきア
ルミニュム材に溶接開先加工を施し、該溶接開先部にＳ
ｉ粉末を充填させる方法の開示がある。The technique disclosed in this publication aims to provide a laser welding method that does not cause welding cracks in an aluminum material, and as an embodiment of the invention, performs a welding bevel processing on an aluminum material to be welded, S on the welding groove
There is a disclosure of a method for filling i powder.
【０００９】更に、アルミニュム材の溶接方法として
は、特開平９−３０００７５号公開公報の資料がある。Further, as a method for welding aluminum materials, there is a material disclosed in Japanese Patent Application Laid-Open No. 9-300755.
【００１０】[0010]
【発明が解決しようとする課題】上記の画像形成装置の
円筒部材、回転部材の円筒部と軸部材を結合する場合に
ガス溶接装置や、ＣＯ２レーザー溶接すると、溶接部分
にクラック（亀裂）が生じる問題や、溶接部分の強度不
足の問題があった。When the cylindrical member of the image forming apparatus and the cylindrical part of the rotating member and the shaft member are connected to each other by a gas welding device or CO2 laser welding, a crack (crack) occurs in the welded portion. There was a problem and a problem of insufficient strength of the welded portion.
【００１１】上記のクラック発生は発明者の検討による
と、前記画像形成装置の現像スリーブは現像トナーの搬
送性や、トナーの微細化のためにはアルミニュムが好ま
しく、又、定着ローラの表面の加工精度確保のためにも
アルミニュム材料が好適であるが、円筒部材の材料がア
ルミニュウムの場合、円筒部材と該円筒部材の開口部を
塞ぐ部材もアルミニュムの場合、ガス溶接や、ＣＯ２レ
ーザー溶接を採用すると、アルミニュムの熱伝導率と、
前記溶接による溶接部の移動に伴う温度変化により既溶
接部の冷却の際の溶接部の体積部分の収縮作用により、
クラックが発生することが確認された。According to the studies made by the inventors, the above-mentioned cracks are preferably formed of aluminum for the developing sleeve of the image forming apparatus in order to convey the developing toner and to make the toner finer. Aluminum material is also preferable for ensuring accuracy, but when the material of the cylindrical member is aluminum, when the cylindrical member and the member closing the opening of the cylindrical member are also aluminum, gas welding or CO2 laser welding is adopted. , The thermal conductivity of aluminum,
Due to the temperature change accompanying the movement of the weld by the welding, due to the contraction action of the volume of the weld at the time of cooling the already welded,
It was confirmed that cracks occurred.
【００１２】又、画像形成装置に使用する現像スリーブ
や定着ローラは現像装置の筐体や定着装置の筐体に軸支
されて、回転軸の回転中心に対しての所定範囲内のぶれ
精度が要求され、前記クラックの発生は上記のぶれ精度
への影響や、強度上の問題を含んでいる。Further, a developing sleeve and a fixing roller used in the image forming apparatus are supported by a housing of the developing device and a housing of the fixing device. It is required, and the occurrence of the cracks includes the above-described influence on the blurring accuracy and a problem in strength.
【００１３】上記の画像形成装置等の事務機械には回転
部材、中空軸部材、スリーブ部材、ドラム部材としてア
ルミニュム材料を多用する機構があるが、該アルミニュ
ム材料を溶接して複数のアルミ構成部材とすることは困
難であった。The office machine such as the image forming apparatus has a mechanism that uses a lot of aluminum material as a rotating member, a hollow shaft member, a sleeve member, and a drum member. It was difficult to do.
【００１４】アルミニュム材料の溶接を困難にする要因
としては、酸素との親和力が大きく、酸化被膜は融点が
高く、母材と溶加材との融合を妨げる。Factors that make it difficult to weld an aluminum material include a high affinity for oxygen, a high melting point of the oxide film, and hinder fusion of the base metal and the filler metal.
【００１５】また、熱伝導率が大きく、局部加熱が難し
い。Further, the thermal conductivity is large, and local heating is difficult.
【００１６】膨張係数が大きく、歪が発生し易く凝固時
に割れ易い。[0016] The expansion coefficient is large, strain is easily generated, and it is easily cracked during solidification.
【００１７】ガス、を吸収しやすく、大気中の湿気など
からの水素を溶解吸収して、ブローホールの生成源とな
る等の問題がある。There is a problem that gas and the like are easily absorbed, and hydrogen from the moisture in the atmosphere is dissolved and absorbed to become a source of blow holes.
【００１８】[0018]
【課題を解決するための手段】本発明は、上記課題解決
のために、少なくとも一端が開口した円筒部材の該開口
部を閉成部材で閉成した回転部材であって、前記円筒部
材と前記閉成部材との突き当て面に空間部を形成して前
記突き当て面の外周を溶接することにより溶接時の割れ
の防止を図った。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a rotating member having a cylindrical member having at least one end opened, the opening of which is closed by a closing member. By forming a space in the abutting surface with the closing member and welding the outer periphery of the abutting surface, cracking during welding was prevented.
【００１９】本発明の態様の１つとして、前記空間部は
前記円筒部材側に設けた回転部材を提供する。As one aspect of the present invention, the space portion provides a rotating member provided on the cylindrical member side.
【００２０】別の態様として、前記空間部は前記閉成部
材側に設けた回転部材を提供する。In another aspect, the space provides a rotating member provided on the closing member side.
【００２１】更に、上記態様の応用として、前記円筒部
材及び閉成部材はアルミニュム合金材料から作られ、か
つ、前記溶接はＹＡＧレーザーを用いた回転部材を提供
する。Further, as an application of the above embodiment, the cylindrical member and the closing member are made of an aluminum alloy material, and the welding provides a rotating member using a YAG laser.
【００２２】更に、円筒部材の一端側の開口面を軸部材
で閉成した回転軸部材であって、前記円筒部材と前記回
転軸部材との突き当て面に空間部を形成して前記突き当
て面外周を溶接したことを特徴とした回転軸部材を提案
する。[0022] Furthermore, a rotating shaft member having an opening surface at one end side of a cylindrical member closed by a shaft member, wherein a space is formed in a contact surface between the cylindrical member and the rotating shaft member, and the abutting is performed. A rotary shaft member characterized by welding the outer periphery of the surface is proposed.
【００２３】又、本発明の１つは、画像形成装置の定着
ローラであって、円筒部材と軸部材の突き当て面に空間
部を形成し、前記付き宛て面の外周面を溶接したことを
特徴とした画像形成装置の定着ローラを提案することに
より上記の画像形成装置の定着ローラの好適な態様を提
案する。Another aspect of the present invention is a fixing roller of an image forming apparatus, wherein a space is formed in a contact surface between a cylindrical member and a shaft member, and an outer peripheral surface of the contact surface is welded. A preferred embodiment of the fixing roller of the image forming apparatus is proposed by proposing a characteristic fixing roller of the image forming apparatus.
【００２４】又、一端が開口した筒部材の該開口部の内
径部に閉成部材を嵌め込み、該嵌め込んだ内径嵌合部の
近傍位置に凹部を形成し、前記嵌合部を溶接した円筒部
材を提案する。Further, a closing member is fitted into an inner diameter portion of the opening of the cylindrical member having one end opened, a concave portion is formed at a position near the fitted inner diameter fitting portion, and the fitting portion is welded to the cylinder. Suggest a member.
【００２５】上記前記円筒部材は画像形成装置の現像ス
リーブである円筒部材の態様を示す。The above-mentioned cylindrical member is an embodiment of a cylindrical member which is a developing sleeve of an image forming apparatus.
【００２６】更に、前記円筒部材は画像形成装置の定着
ローラである円筒部材の態様を示す。Further, the cylindrical member is an embodiment of a cylindrical member which is a fixing roller of an image forming apparatus.
【００２７】又本発明の１つとして、回転軸部材の製造
方法において、 ａ，アルミニュム製の円筒と、前記円筒の開口面を塞ぐ
アルミニュム性の軸部材を用意する工程、 ｂ，前記円筒部材と前記軸部材の突き当て面に空間部を
形成する工程、 ｃ，前記円筒部材と前記軸部材を突き当てて、外周面を
ＹＡＧレーザーを照射して溶接する工程から成る工程に
よる新規なアルミニュム円筒部財の製造方法を提案す
る。As one aspect of the present invention, there is provided a method of manufacturing a rotating shaft member, comprising the steps of: a) preparing an aluminum cylinder and an aluminum shaft member for closing an opening surface of the cylinder; Forming a space on the abutting surface of the shaft member; c, a process of abutting the cylindrical member and the shaft member, and irradiating the outer peripheral surface with a YAG laser to weld the aluminum cylinder portion. Propose a method of manufacturing goods.
【００２８】又、回転軸部材の製造方法として、 ａ，アルミニュム性の円筒部材と、前記円筒部材の内径
部に内径嵌合するフランジ部を有した軸部材を用意する
工程； ｂ，前記軸部材の前記フランジ部であって、前記内径嵌
合する近傍位置に凹部を形成する工程； ｃ，前記軸部材のフランジ部を前記円筒部材の開口部に
内径嵌合させて、嵌合部をＹＡＧレーザーを照射させて
溶接する工程から成る新規な製造方法を提案する。The method of manufacturing the rotating shaft member includes the steps of: a) preparing a shaft member having an aluminum cylindrical member and a flange portion fitted inside the cylindrical member; b, the shaft member; Forming a recess at a position near the inner diameter fitting; c, fitting the flange portion of the shaft member to the inner diameter of the opening of the cylindrical member, and forming the fitting portion with a YAG laser. We propose a new manufacturing method consisting of the steps of irradiating and welding.
【００２９】上記の製造方法の態様として、前記ＹＡＧ
レーザーの照射レーザは連続発振パルスと間欠発振パル
スを重ねて照射する回転軸部材の製造方法を提案する。As an embodiment of the above manufacturing method, the YAG
A method for manufacturing a rotating shaft member that irradiates a laser with a continuous oscillation pulse and an intermittent oscillation pulse superposed is proposed.
【００３０】更に、画像形成装置の定着ローラの製造方
法において、 ａ，アルミニュム製の円筒と、前記円筒の開口面を塞ぐ
アルミニュム製の軸部材を用意する工程、 ｂ，前記円筒部材と前記軸部材の突き当て面に空間部を
形成する工程、 ｃ，前記円筒部材と前記軸部材を突き当てて、外周面を
ＹＡＧレーザーを照射して溶接する工程 ｄ，前記円筒部材の外周面上にゴムを被膜する工程を含
む製造方法を提案する。Further, in a method of manufacturing a fixing roller of an image forming apparatus, there are provided: a, a step of preparing an aluminum cylinder and an aluminum shaft member for closing an opening surface of the cylinder; b, the cylindrical member and the shaft member C) abutting the cylindrical member and the shaft member, and irradiating an outer peripheral surface with a YAG laser to weld the outer peripheral surface; c) applying rubber on the outer peripheral surface of the cylindrical member. A manufacturing method including a coating step is proposed.
【００３１】更に、画像形成装置用の現像スリーブの製
造方法であって、 ａ，アルミニュム性の円筒部材と、前記円筒部材の内径
部に内径嵌合するフランジ部を有した軸部材を用意する
工程； ｂ，前記軸部材の前記フランジ部であって、前記内径嵌
合する近傍位置に凹部を形成する工程； ｃ，前記軸部材のフランジ部を前記円筒部材の開口部に
内径嵌合させて、嵌合部をＹＡＧレーザーを照射させて
溶接する工程 ｄ，前記円筒部材の表面上にカーボン膜を被膜する工
程、を提案する。Further, the present invention relates to a method for manufacturing a developing sleeve for an image forming apparatus, comprising the steps of: a) preparing a shaft member having an aluminum cylindrical member and a flange portion fitted inside the cylindrical member; B, forming a recess in the flange portion of the shaft member at a position near the inner diameter fitting; c, fitting the flange portion of the shaft member to the inner diameter of the opening of the cylindrical member; We propose a step of welding the fitting portion by irradiating a YAG laser and a step of coating a carbon film on the surface of the cylindrical member.
【００３２】更に本発明は、アルミニュム製円筒部材の
開口部分を閉成部材で溶接する方法において、該円筒部
材の溶接部分を移動させて溶接するに際して、溶接部近
傍位置に、既溶接部分の冷却速度に対して既溶接部分の
冷却速度の急激化を抑制するようにして溶接することに
より上記課題の解決を図った。Further, the present invention provides a method of welding an opening portion of an aluminum cylindrical member with a closing member, wherein when the welding portion of the cylindrical member is moved and welded, cooling of the already welded portion is performed at a position near the welding portion. The above problem was solved by performing welding in such a manner that the cooling rate of the already-welded portion was suppressed from increasing rapidly with respect to the speed.
【００３３】[0033]
【発明の実施の形態】（第一の実施例の説明）図１は本
発明の第一の実施例の円筒軸部材１の外観の一部（片
側）の要部を示す。DESCRIPTION OF THE PREFERRED EMBODIMENTS (Explanation of First Embodiment) FIG. 1 shows a main part of a part (one side) of the external appearance of a cylindrical shaft member 1 according to a first embodiment of the present invention.
【００３４】図において、２は円筒部材、４は前記円筒
部材２の開口側を塞ぐ軸部４Ａを備えた閉成部材であ
り、符号１Ａは円筒部材２と軸部材４を突き合せた溶接
部分を示す。In the drawing, 2 is a cylindrical member, 4 is a closing member provided with a shaft 4A for closing the opening side of the cylindrical member 2, and 1A is a welded portion where the cylindrical member 2 and the shaft member 4 are butted. Is shown.
【００３５】図２は図１の円筒軸部材１の要部断面図を
示す。FIG. 2 is a sectional view of a main part of the cylindrical shaft member 1 of FIG.
【００３６】前記軸部材４は前記円筒部材２の開口側の
端面に突き当てるフランジ面４Ｂと、円筒部材２の内径
面に形成した内径嵌合部２Ａと嵌合する嵌合部４Ｃと、
前記した軸部４Ａから成る。The shaft member 4 has a flange surface 4B which abuts against an end face on the opening side of the cylindrical member 2, a fitting portion 4C which fits with an inner diameter fitting portion 2A formed on the inner diameter surface of the cylindrical member 2, and
It consists of the shaft part 4A described above.
【００３７】前記円筒部材２は中空円筒形状であり、材
料はアルミニュム合金製である。The cylindrical member 2 has a hollow cylindrical shape, and is made of an aluminum alloy.
【００３８】次に該円筒部材２と軸部材４の溶接方法の
手順を説明する。Next, a procedure of a welding method of the cylindrical member 2 and the shaft member 4 will be described.
【００３９】まず、引き抜き加工したアルミニュム製の
円筒部材２を用意し、その開口部２Ａの内径面を前記軸
部材の嵌合部４Ｃが嵌合する内径寸法に内径切削加工２
Ｂする。First, a drawn aluminum cylindrical member 2 is prepared, and the inner diameter surface of the opening 2A is cut to the inner diameter dimension to which the fitting portion 4C of the shaft member fits.
B.
【００４０】次に、円筒部材２の開口側の突き合せ面２
Ｃ上に輪帯状の凹部２Ｄを加工する。 図３。Next, the butting surface 2 on the opening side of the cylindrical member 2
An annular recess 2D is formed on C. FIG.
【００４１】アルミニュム製の軸部材４の前記フランジ
部４Ｂの前記円筒部材２と突き合せ面上であって、前記
円筒部材２の凹部２Ｄと対応する位置に輪帯状の凹部４
Ｄを加工する。 図４。A ring-shaped recess 4 is provided at a position corresponding to the recess 2D of the cylindrical member 2 on the surface of the flange 4B of the aluminum shaft member 4 which is in contact with the cylindrical member 2.
Process D. FIG.
【００４２】上記の円筒部材２と軸部材４の各凹部２
Ｄ、４Ｄは円筒部材２と軸部材４の突き合せにより、図
２に示す輪帯状の空間部Ｄを形成する。Each of the recesses 2 of the cylindrical member 2 and the shaft member 4
D and 4D form an annular space D shown in FIG. 2 by abutting the cylindrical member 2 and the shaft member 4.
【００４３】図５は第一実施例のレーザー溶接に使用し
た溶接装置の構成である。FIG. 5 shows the configuration of a welding apparatus used for laser welding of the first embodiment.
【００４４】図において、６は前記円筒部材２と軸部材
４とを組み合わせて保持し、回転運動させるワーク回転
装置である。In the figure, reference numeral 6 denotes a work rotating device for holding the cylindrical member 2 and the shaft member 4 in combination and rotating them.
【００４５】８はＹＡＧレーザ発振器、１０は集光レン
ズ．ノズル、１２は前記集光レンズ．ノズル１０を操作
するロボット、１４は光ファイバである。8 is a YAG laser oscillator, 10 is a condenser lens. Nozzle, 12 is the condenser lens. A robot that operates the nozzle 10 and 14 is an optical fiber.
【００４６】次に溶接操作について説明する。Next, the welding operation will be described.
【００４７】前記円筒部材２の開口部２Ａの内径部２Ｂ
に前記軸部材の内径嵌合部４Ｃを嵌め込み、円筒部材２
をワーク回転装置６のワーク保持手段６Ａにより固定す
る。保持手段６Ａはワーク回転テーブル６Ｂ上に取り付
けられている。The inner diameter 2B of the opening 2A of the cylindrical member 2
The inner diameter fitting portion 4C of the shaft member is fitted into the
Is fixed by the work holding means 6A of the work rotating device 6. The holding means 6A is mounted on a work turntable 6B.
【００４８】回転テーブル６Ａは不図示のモータ及び回
転制御手段に接続して回転速度制御を受けるように構成
される。The rotary table 6A is configured to be connected to a motor and a rotation control means (not shown) so as to be subjected to rotation speed control.
【００４９】保持手段６Ａに固定された円筒部材及び軸
部材は前記回転テーブル６Ｂの回転操作により回転さ
れ、前記発振器８により図６に示すレーザパルスがファ
イバー１２を介してノズル１０から出力し、前記図１の
接合部分１Ａ上に照射する。接合部分１Ａ上を照射した
レーザ光は円筒部材２と軸部材４の接合部を中心に照射
する。The cylindrical member and the shaft member fixed to the holding means 6A are rotated by the rotating operation of the turntable 6B, and the laser pulse shown in FIG. Irradiation is performed on the joint 1A in FIG. The laser beam irradiated on the joint portion 1A is irradiated mainly on the joint between the cylindrical member 2 and the shaft member 4.
【００５０】次に本発明を画像形成装置の定着ローラに
実施した例を説明する。Next, an example in which the present invention is applied to a fixing roller of an image forming apparatus will be described.
【００５１】円筒部材２の材料は日本工業規格（ＪＩ
Ｓ）のＡ５０５６を用いた。The material of the cylindrical member 2 is the Japanese Industrial Standard (JI)
S) A5056 was used.
【００５２】円筒直径寸法５９ ｍｍ，長さ寸法３３０
ｍｍ，肉厚さ寸法 １２．５ ｍｍ，開口部分の内径
部寸法 ４２．０ ｍｍである。A cylindrical diameter of 59 mm and a length of 330
mm, wall thickness 12.5 mm, and inner diameter 42.0 mm of the opening.
【００５３】前記円筒部材２は引き抜き材料を使用し、
軸中心の振れ精度は１０μｍ以内を採用基準とした。The cylindrical member 2 uses a drawing material,
The running accuracy at the center of the shaft was set to within 10 μm as the criterion.
【００５４】上記の円筒部材の外周面をブラスト加工す
る。The outer peripheral surface of the cylindrical member is blasted.
【００５５】軸部材４の材料はＪＩＳ規格のＡ５０５６
を使用し、フランジ部直径寸法５９ｍｍ，軸部４Ａの直
径寸法 ３８ｍｍ，内径嵌合部４Ｃの直径寸法４２ｍｍ
のものを使用した。The material of the shaft member 4 is JIS A5056.
The diameter of the flange part is 59 mm, the diameter of the shaft part 4A is 38 mm, and the diameter of the inner diameter fitting part is 42 mm.
Was used.
【００５６】上記の各円筒部材２及び軸部材４の接合面
の前記の空間部Ｄを形成するために、凹部２Ｄ，４Ｄを
溝加工した。In order to form the space D on the joint surface between the cylindrical member 2 and the shaft member 4, the recesses 2D and 4D were grooved.
【００５７】該各凹部の深さ寸法は２．０ｍｍ，幅寸法
は２．０ ｍｍに設定して加工した。回転テーブル６Ｂ
の回転速度は １．０ｍ／ｍｉｎに設定した。The depth of each recess was set to 2.0 mm and the width thereof was set to 2.0 mm. Rotary table 6B
Was set to 1.0 m / min.
【００５８】ＹＡＧレーザとしてはＮｄ：ＹＡＧ、波
長：１．０６４μｍ 最大出力：２．４ＫＷ 照射レンズノズルの焦点距離：ｆ＝１２０ｍｍAs a YAG laser, Nd: YAG, wavelength: 1.064 μm, maximum output: 2.4 KW, focal length of irradiation lens nozzle: f = 120 mm
【００５９】上記図５の装置構成と図７に示す各パラメ
ータ条件で溶接操作を実施した、前記ノズル１０からの
照射したレーザ光は図１の溶接部分１Ａを照射して円筒
部材２と軸部材４Ｂの照射部近傍を加熱して両者部材間
を溶接し、同時に円筒部材２と軸部材４は回転運動を受
けて順次、溶接部分１Ａが外周周りに溶接されていく。
溶接部分に照射したレーザ光による温度は円筒部材と軸
部材の照射付近の近辺に広がるが、空間部Ｄの存在によ
り温度の広がりは空間部Ｄ内の空気による断熱作用を受
ける。The laser beam emitted from the nozzle 10 was subjected to the welding operation under the apparatus configuration shown in FIG. 5 and the respective parameter conditions shown in FIG. 7 to irradiate the welding portion 1A shown in FIG. The vicinity of the irradiated portion of 4B is heated to weld the two members together, and at the same time, the cylindrical member 2 and the shaft member 4 undergo rotational movement, and the welded portion 1A is sequentially welded around the outer periphery.
The temperature due to the laser beam applied to the welded portion spreads near the vicinity of the irradiation of the cylindrical member and the shaft member, but due to the presence of the space D, the spread of the temperature is affected by the air in the space D.
【００６０】そして、空間部Ｄ内の空気も加熱されて上
昇する。The air in the space D is also heated and rises.
【００６１】円筒部材と軸部材の回転テーブルによる回
転運動により溶接部分はレーザ光から遠いて行き、周囲
の空気により急激な冷却作用を受けることになる。The welding portion moves away from the laser beam due to the rotational movement of the cylindrical member and the shaft member by the rotary table, and is rapidly cooled by the surrounding air.
【００６２】空間部Ｄが無いとこの急激な冷却作用によ
り溶接部分の体積の膨張と収縮作用によりクラックが発
生するが、空間部Ｄを設けることにより、空間部Ｄ内の
暖められた空気により溶接部分の急激な体積収縮を緩和
させることができ、これによりクラックの発生を抑える
ことができた。If there is no space D, cracks occur due to expansion and contraction of the volume of the welded portion due to the rapid cooling action. However, by providing the space D, welding is performed by the warmed air in the space D. It was possible to alleviate the sudden volume contraction of the portion, thereby suppressing the occurrence of cracks.
【００６３】上記方法による円筒部材２の溶接個所を５
０倍の光学顕微鏡で目視検査を行った結果、溶接部及び
その近辺にもクラックの発生は認められなかった。The welding position of the cylindrical member 2 by the above method is set to 5
As a result of performing a visual inspection with a 0-times optical microscope, no crack was observed in the welded portion and its vicinity.
【００６４】さらに、溶接した円筒部材２をトルク試験
機にてトルク検査を行った結果、発明者の設定したトル
ク値をクリアした。Further, as a result of performing a torque test on the welded cylindrical member 2 with a torque tester, the torque value set by the inventor was cleared.
【００６５】図６は本発明に係る定着ローラを組み込む
画像形成装置の要部構成を示す図であり、本発明の回転
軸部材は図示の定着ユニットのローラとして使用する。FIG. 6 is a view showing a main part of an image forming apparatus incorporating a fixing roller according to the present invention. The rotating shaft member of the present invention is used as a roller of the illustrated fixing unit.
【００６６】（変形例の説明）図７、８は前記図２に示
した溶接方法の変形例を示す。(Explanation of Modification) FIGS. 7 and 8 show a modification of the welding method shown in FIG.
【００６７】図７は前記実施例図２の、円筒部材２側の
開口端部２Ｃのみに凹部２Ｆを形成し、軸部材４の閉成
面４Ｂは平坦化した例を示す。FIG. 7 shows an example in which the recess 2F is formed only at the opening end 2C on the side of the cylindrical member 2 in FIG. 2 and the closing surface 4B of the shaft member 4 is flattened.
【００６８】本例においては、該凹部２Ｆが空間部とな
る。該空間部２Ｆは円筒部材２と軸部材の合せ面の溶接
の際に、該空間部内の空気が急激な冷却作用の抑止作用
を行うことで溶接部のクラックの発生が防げる。In this embodiment, the recess 2F is a space. When welding the mating surface of the cylindrical member 2 and the shaft member, the air in the space 2F suppresses a sudden cooling action, so that cracks in the welded portion can be prevented.
【００６９】図８は軸部材４側の合せ面側に空間部とし
ての凹部４Ｇを形成した例を示す。FIG. 8 shows an example in which a concave portion 4G as a space is formed on the mating surface side of the shaft member 4.
【００７０】（第二の実施例の説明）図９は本発明の第
二の実施例による円筒部材２０の要部断面図を示す。(Explanation of the Second Embodiment) FIG. 9 is a sectional view of a main part of a cylindrical member 20 according to a second embodiment of the present invention.
【００７１】図において符号２２は中空円筒部材（スリ
ーブ部材）、２４は前記スリーブ部材２２の開口部内径
に溶接固定するフランジ部材である。In the figure, reference numeral 22 denotes a hollow cylindrical member (sleeve member), and reference numeral 24 denotes a flange member which is fixed by welding to the inner diameter of the opening of the sleeve member 22.
【００７２】図１０はフランジ部材２４の要部断面図を
示す。FIG. 10 is a sectional view of a main part of the flange member 24.
【００７３】該フランジ部材２４はフランジ部２４Ａ軸
部、２４Ｂを主用な構成とし、そのフランジ面２４Ａの
外周面２４ａは前記スリーブ部材２２の開口端部の内径
部分に嵌合する。The flange member 24 mainly has a flange portion 24A shaft portion and a flange portion 24B. The outer peripheral surface 24a of the flange surface 24A is fitted to the inner diameter portion of the open end of the sleeve member 22.
【００７４】フランジ部２４Ａの外側の面２４ａ−１
の、前記スリーブ部材２２との嵌合部の近傍位置に凹部
Ｅを形成してある。Outer surface 24a-1 of flange portion 24A
A concave portion E is formed at a position near the fitting portion with the sleeve member 22.
【００７５】該凹部Ｅは前記フランジ面上に輪帯状に形
成する。The recess E is formed in an annular shape on the flange surface.
【００７６】スリーブ部材の材料はＪＩＳ規格のＡ６０
６３、フランジ部材の材料はＪＩＳ規格のＡ２０１１を
採用した。The material of the sleeve member is JIS standard A60.
63, JIS standard A2011 was adopted as the material of the flange member.
【００７７】スリーブ部材の直径寸法は２０ｍｍ，長さ
３４０ｍｍ フランジ部材のフランジ面の厚さ寸法０．７ｍｍ，フラ
ンジ面の前記凹部Ｅの深さ２．０ ｍｍ、幅 ２．０
ｍｍ、フランジ面２４ａの外周から２．０ｍｍの場所に
設定した。The diameter of the sleeve member is 20 mm, the length is 340 mm, the thickness of the flange surface of the flange member is 0.7 mm, the depth of the recess E on the flange surface is 2.0 mm, and the width is 2.0.
mm and 2.0 mm from the outer periphery of the flange surface 24a.
【００７８】溶接装置は図５に示す装置と同じ構成を採
用した。The same configuration as that of the apparatus shown in FIG. 5 was employed for the welding apparatus.
【００７９】溶接条件、溶接速度２．０ 〜３．０ ｍ
／ｍｉｎ 出力１．１ＫＷ 集光レンズ焦点距離：ｆ＝６０ｍｍWelding conditions, welding speed 2.0 to 3.0 m
/ Min Output 1.1KW Condensing lens focal length: f = 60mm
【００８０】スリーブ部材２２の開口端部にフランジ部
材２４のフランジ面を嵌め込みスリーブ部材２２を回転
テーブルの保持手段に固定して、上記溶接条件での溶接
操作を行った。The flange surface of the flange member 24 was fitted into the open end of the sleeve member 22 and the sleeve member 22 was fixed to the holding means of the rotary table, and the welding operation was performed under the above welding conditions.
【００８１】図９に示す、スリーブ部材２２とフランジ
部材２４の嵌合部にレーザ光を照射しつつ回転運動を与
える。[0101] A rotating motion is applied to the fitting portion between the sleeve member 22 and the flange member 24 shown in FIG.
【００８２】レーザ光の照射された溶接部分の近辺のス
リーブ部材とフランジ部材は温度上昇して溶接が行われ
るとともに、周囲の温度も急激に上昇する。The temperature of the sleeve member and the flange member in the vicinity of the welded portion irradiated with the laser beam rises and welding is performed, and the surrounding temperature also rises rapidly.
【００８３】同時に溶接部分は回転運動を受けて順次溶
接部分が移動する。At the same time, the welded portion receives the rotational movement and moves sequentially.
【００８４】回転運動によりレーザ光から離れた場所の
溶接部分は急激に冷却作用を受け、溶接された部分はこ
の温度変化により熱応力ストレスを受けることになる
が、溶接部分の近傍位置に設けた空間部Ｅ内にレーザ光
の照射により伝達された熱が該空間部内に空気を加熱
し、この加熱された空気により急激な冷却作用によるク
ラックの発生を抑えることができた。The welded portion away from the laser beam due to the rotational movement is rapidly cooled, and the welded portion receives thermal stress due to this temperature change. However, the welded portion is provided near the welded portion. The heat transmitted by the irradiation of the laser beam into the space E heated the air in the space, and the heated air was able to suppress the occurrence of cracks due to the rapid cooling action.
【００８５】本実施例により製造されるスリーブは図８
に示した画像形成装置の現像スリーブ（シリンダ）とし
て使用することが出来る。The sleeve manufactured according to this embodiment is shown in FIG.
Can be used as a developing sleeve (cylinder) of the image forming apparatus shown in FIG.
【００８６】[0086]
【発明の効果】以上のように、本発明は少なくとも一端
が開口した円筒部材の該開口部を閉成部材で閉成した回
転部材であって、前記円筒部材と前記閉成部材との突き
当て面に空間部を形成して前記突き当て面の外周を溶接
した回転部材を提供することで溶接部のクラック発生を
無くすることができた又、本発明は、 前記円筒部材及
び閉成部材はアルミニュム合金材料から作られ、かつ、
前記溶接はＹＡＧレーザーを用いたことにより従来、ア
ルミニュム材の円筒部の溶接作業の困難性を解決するこ
とができた。As described above, the present invention relates to a rotating member having a cylindrical member having at least one open end, the opening of which is closed by a closing member, wherein the cylindrical member and the closing member abut against each other. By providing a rotating member in which the outer periphery of the abutting surface is welded by forming a space in the surface, it was possible to eliminate the occurrence of cracks in the welded portion.In the present invention, the cylindrical member and the closing member are Made of aluminum alloy material, and
Conventionally, by using a YAG laser for the welding, it was possible to solve the difficulty of welding a cylindrical portion of an aluminum material.
【００８７】更に、円筒部材の一端側の開口面を軸部材
で閉成した回転軸部材であって、前記円筒部材と前記回
転軸部材との突き当て面に空間部を形成して前記突き当
て面外周を溶接した回転軸部材を提供できた。Further, a rotating shaft member in which an opening surface at one end side of the cylindrical member is closed by a shaft member, wherein a space is formed in a contact surface between the cylindrical member and the rotating shaft member, and The rotary shaft member whose outer periphery was welded could be provided.
【００８８】又本発明は、画像形成装置の定着ローラで
あって、円筒部材と軸部材の突き当て面に空間部を形成
し、前記付き宛て面の外周面を溶接した画像形成装置の
定着ローラを得ることにより定着性能のよい定着装置を
えることができた。The present invention also relates to a fixing roller for an image forming apparatus, wherein a space is formed in a contact surface between a cylindrical member and a shaft member, and an outer peripheral surface of the attached surface is welded. As a result, a fixing device having good fixing performance was obtained.
【００８９】更に、回転軸部材の製造方法において、 ａ，アルミニュム製の円筒と、前記円筒の開口面を塞ぐ
アルミニュム性の軸部材を用意する工程、 ｂ，前記円筒部材と前記軸部材の突き当て面に空間部を
形成する工程、 ｃ，前記円筒部材と前記軸部材を突き当てて、外周面を
ＹＡＧレーザーを照射して溶接する工程による製造方法
の提案により生産性に優れる製造方法を得ることができ
た。Further, in the method of manufacturing a rotary shaft member, there are provided: a, a step of preparing an aluminum cylinder and an aluminum shaft member for closing an opening surface of the cylinder; b, abutting of the cylindrical member and the shaft member C) forming a space on the surface, c. Abutting the cylindrical member and the shaft member, and irradiating the outer peripheral surface with a YAG laser to weld the YAG laser to obtain a manufacturing method with excellent productivity. Was completed.
【００９０】又本発明は、画像形成装置の定着ローラの
製造方法であって、 ａ，アルミニュム製の円筒と、前記円筒の開口面を塞ぐ
アルミニュム製の軸部材を用意する工程、 ｂ，前記円筒部材と前記軸部材の突き当て面に空間部を
形成する工程、 ｃ，前記円筒部材と前記軸部材を突き当てて、外周面を
ＹＡＧレーザーを照射して溶接する工程 ｄ，前記円筒部材の外周面上にゴムを被膜する工程 を含む製造方法の提案により性能の良い定着ローラを得
ることができた。The present invention also relates to a method of manufacturing a fixing roller of an image forming apparatus, comprising the steps of: a) preparing an aluminum cylinder and an aluminum shaft member for closing an opening surface of the cylinder; Forming a space between the abutting surface of the member and the shaft member; c, abutting the cylindrical member and the shaft member and irradiating the outer peripheral surface with a YAG laser to weld; d, the outer periphery of the cylindrical member A high-performance fixing roller could be obtained by proposing a manufacturing method including a step of coating rubber on the surface.
【００９１】更に、画像形成装置用の現像スリーブの製
造方法であって、 ａ，アルミニュム製の円筒部材と、前記円筒部材の内径
部に内径嵌合するフランジ部を有した軸部材を用意する
工程； ｂ，前記軸部材の前記フランジ部であって、前記内径嵌
合する近傍位置に凹部を形成する工程； ｃ，前記軸部材のフランジ部を前記円筒部材の開口部に
内径嵌合させて、嵌合部をＹＡＧレーザーを照射させて
溶接する工程。A method of manufacturing a developing sleeve for an image forming apparatus, comprising the steps of: a) preparing a cylindrical member made of aluminum and a shaft member having a flange portion fitted inside the cylindrical member; B, forming a recess in the flange portion of the shaft member at a position near the inner diameter fitting; c, fitting the flange portion of the shaft member to the inner diameter of the opening of the cylindrical member; A step of irradiating the fitting portion with a YAG laser for welding.
【００９２】ｄ，前記円筒部材の表面上にカーボン膜を
被膜する工程。 を含む製造方法の提案により性能の良い現像スリーブを
得る事が出来た。D, a step of coating a carbon film on the surface of the cylindrical member. By the proposal of the manufacturing method including the above, a high-performance developing sleeve could be obtained.
【図１】円筒部材又は円筒軸部材の構成の説明図。FIG. 1 is an explanatory view of a configuration of a cylindrical member or a cylindrical shaft member.
【図２】円筒部材の溶接部の断面図。FIG. 2 is a sectional view of a welded portion of a cylindrical member.
【図３】円筒部材の要部断面図。FIG. 3 is a sectional view of a main part of a cylindrical member.
【図４】軸部材の要部断面図。FIG. 4 is a sectional view of a main part of a shaft member.
【図５】本発明に使用する溶接装置の構成説明図。FIG. 5 is a configuration explanatory view of a welding device used in the present invention.
【図６】本発明の適用する画像形成装置の構成図。FIG. 6 is a configuration diagram of an image forming apparatus to which the present invention is applied.
【図７】変形例の説明図。FIG. 7 is an explanatory view of a modification.
【図８】変形例の説明図。FIG. 8 is an explanatory view of a modification.
【図９】第二の実施例の説明図。FIG. 9 is an explanatory diagram of the second embodiment.
【図１０】要部構成の説明図。FIG. 10 is an explanatory diagram of a main part configuration.
２ 円筒部材 ４ 軸部材 ６ ワーク保持装置 ８ ＹＡＧレーザ発振器 １０ 集光レンズノズル 2 Cylindrical member 4 Shaft member 6 Work holding device 8 YAG laser oscillator 10 Condensing lens nozzle
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｇ０３Ｇ 15/22 Ｇ０３Ｇ 15/22 Ｆターム(参考） 2H033 BB13 BB26 2H077 AD06 2H078 AA15 DD38 DD56 3J103 AA02 AA75 EA06 FA15 GA57 GA58 GA66 HA37 4E068 BG02 DB02 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) G03G 15/22 G03G 15/22 F term (Reference) 2H033 BB13 BB26 2H077 AD06 2H078 AA15 DD38 DD56 3J103 AA02 AA75 EA06 FA15 GA57 GA58 GA66 HA37 4E068 BG02 DB02
Claims (18)
開口部を閉成部材で閉成した回転部材であって、前記円
筒部材と前記閉成部材との突き当て面に空間部を形成し
て前記突き当て面の外周を溶接したことを特徴とした回
転部材。1. A rotating member, wherein at least one end of a cylindrical member has an opening portion closed by a closing member, wherein a space is formed on a contact surface between the cylindrical member and the closing member. A rotating member, wherein an outer periphery of the abutting surface is welded.
とを特徴とした請求項１記載の回転部材。2. The rotating member according to claim 1, wherein said space is provided on said cylindrical member side.
とを特徴とした請求項１記載の回転部材。3. The rotating member according to claim 1, wherein the space is provided on the closing member side.
ム合金材料から作られ、かつ、前記溶接はＹＡＧレーザ
ーを用いたことを特徴とした請求項１乃至３記載の回転
部材。4. The rotating member according to claim 1, wherein said cylindrical member and said closing member are made of an aluminum alloy material, and said welding uses a YAG laser.
成した回転軸部材であって、前記円筒部材と前記回転軸
部材との突き当て面に空間部を形成して前記突き当て面
外周を溶接したことを特徴とした回転軸部材。5. A rotary shaft member in which an opening surface on one end side of a cylindrical member is closed by a shaft member, wherein a space is formed on a surface where the cylindrical member and the rotary shaft member abut against each other. A rotating shaft member characterized by welding the outer periphery of the surface.
材の突き当て面の一方側に形成したことを特徴とした請
求項５記載の回転軸部材。6. The rotating shaft member according to claim 5, wherein said space portion is formed on one side of an abutting surface of said cylindrical member or said shaft member.
合金から作られ、かつ、ＹＡＧレーザーで溶接したこと
を特徴とした請求項５及び６記載の回転軸部材。7. The rotating shaft member according to claim 5, wherein the cylindrical member and the shaft member are made of an aluminum alloy and are welded by a YAG laser.
筒部材と軸部材の突き当て面に空間部を形成し、前記付
き宛て面の外周面を溶接したことを特徴とした画像形成
装置の定着ローラ。8. A fixing roller for an image forming apparatus, wherein a space is formed in an abutting surface between a cylindrical member and a shaft member, and an outer peripheral surface of the attached surface is welded. Fixing roller.
部材の一方側に形成したことを特徴とした請求項８記載
の画像形成装置の定着ローラ。9. The fixing roller according to claim 8, wherein the space is formed on one side of the cylindrical member or the shaft member.
径部に閉成部材を嵌め込み、該嵌め込んだ内径嵌合部の
近傍位置に凹部を形成し、前記嵌合部を溶接したことを
特徴とした円筒部材。10. A cylindrical member having one end opened, a closing member is fitted into an inner diameter portion of the opening, a concave portion is formed near the fitted inner diameter fitting portion, and the fitting portion is welded. A cylindrical member characterized by the following.
リーブであることを特徴とした請求項１０記載の円筒部
材。11. The cylindrical member according to claim 10, wherein said cylindrical member is a developing sleeve of an image forming apparatus.
ーラであることを特徴とした請求項１０記載の円筒部
材。12. The cylindrical member according to claim 10, wherein said cylindrical member is a fixing roller of an image forming apparatus.
成ることを特徴とする： ａ，アルミニュム製の円筒と、前記円筒の開口面を塞ぐ
アルミニュム性の軸部材を用意する工程、 ｂ，前記円筒部材と前記軸部材の突き当て面に空間部を
形成する工程、 ｃ，前記円筒部材と前記軸部材を突き当てて、外周面を
ＹＡＧレーザーを照射して溶接する工程。13. A method of manufacturing a rotating shaft member, comprising the steps of: a) providing an aluminum cylinder and an aluminum shaft member for closing an opening surface of the cylinder; Forming a space between the abutting surfaces of the cylindrical member and the shaft member; c, abutting the cylindrical member and the shaft member, and irradiating the outer peripheral surface with a YAG laser to weld;
む； ａ，アルミニュム性の円筒部材と、前記円筒部材の内径
部に内径嵌合するフランジ部を有した軸部材を用意する
工程； ｂ，前記軸部材の前記フランジ部であって、前記内径嵌
合する近傍位置に凹部を形成する工程； ｃ，前記軸部材のフランジ部を前記円筒部材の開口部に
内径嵌合させて、嵌合部をＹＡＧレーザーを照射させて
溶接する工程。14. A method for manufacturing a rotating shaft member includes the following steps: a, a step of preparing a shaft member having an aluminum cylindrical member and a flange portion fitted to the inside diameter of the cylindrical member; b, forming a recess in the flange portion of the shaft member at a position near the inner diameter fitting; c, fitting the flange portion of the shaft member to the inner diameter of the opening of the cylindrical member; A step of irradiating the joint with a YAG laser for welding.
続発振レーザとパルス発振とを加味したパルスを照射す
ることを特徴とした請求項１３又は１４記載の回転軸の
製造方法。15. The method for manufacturing a rotating shaft according to claim 13, wherein the irradiation pulse of the YAG laser irradiates a pulse in consideration of a continuous wave laser and pulse oscillation.
であって、 ａ，アルミニュム製の円筒と、前記円筒の開口面を塞ぐ
アルミニュム製の軸部材を用意する工程、 ｂ，前記円筒部材と前記軸部材の突き当て面に空間部を
形成する工程、 ｃ，前記円筒部材と前記軸部材を突き当てて、外周面を
ＹＡＧレーザーを照射して溶接する工程 ｄ，前記円筒部材の外周面上にゴムを被膜する工程を含
むことを特徴とする。16. A method of manufacturing a fixing roller of an image forming apparatus, comprising the steps of: a) preparing an aluminum cylinder and an aluminum shaft member for closing an opening surface of the cylinder; b. Forming a space on the abutting surface of the shaft member; c, abutting the cylindrical member on the shaft member, and irradiating the outer peripheral surface with a YAG laser to weld the same; d, on the outer peripheral surface of the cylindrical member It is characterized by including a step of coating rubber.
方法であって、ａ，アルミニュム性の円筒部材と、前記
円筒部材の内径部に内径嵌合するフランジ部を有した軸
部材を用意する工程； ｂ，前記軸部材の前記フランジ部であって、前記内径嵌
合する近傍位置に凹部を形成する工程； ｃ，前記軸部材のフランジ部を前記円筒部材の開口部に
内径嵌合させて、嵌合部をＹＡＧレーザーを照射させて
溶接する工程。 ｄ，前記円筒部材の表面上にカーボン膜を被膜する工
程。17. A method for manufacturing a developing sleeve for an image forming apparatus, comprising the steps of: a) preparing an aluminum cylindrical member; and a shaft member having a flange portion that fits inside the cylindrical member. B, forming a recess in the flange portion of the shaft member at a position near the inner diameter fitting; c, fitting the flange portion of the shaft member to the inner diameter of the opening of the cylindrical member; A step of irradiating the fitting portion with a YAG laser for welding. d, a step of coating a carbon film on the surface of the cylindrical member.
閉成部材で溶接する方法において、該円筒部材の溶接部
分を移動させて溶接するに際して、溶接部近傍位置に、
既溶接部分の冷却速度に対して既溶接部分の冷却速度の
急激化を抑制するようにして溶接することを特徴とした
アルミニュム製円筒部材の溶接方法。18. A method for welding an opening portion of an aluminum cylindrical member with a closing member, wherein when the welding portion of the cylindrical member is moved and welded,
A welding method for an aluminum cylindrical member, characterized in that welding is performed in such a manner that the cooling rate of an already-welded portion is suppressed from increasing rapidly with respect to the cooling speed of an already-welded portion.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10198781A JP2000027849A (en) | 1998-07-14 | 1998-07-14 | Rotating member, rotating shaft member, fixing roller of image forming device, cylindrical member, manufacture of rotating shaft member, and manufacture of developing sleeve of image forming device |
| EP98121505A EP0916443A1 (en) | 1997-11-18 | 1998-11-13 | Rotating member and rotating shaft member, fixing roller, cylindrical member, and cylinder of image forming apparatus, cylindrical member welding method, rotating shaft member manufacturing method, and method of manufacturing developing sleeve of image forming apparatus |
| US09/191,532 US20010005708A1 (en) | 1997-11-18 | 1998-11-13 | Rotating member and rotating shaft member, fixing roller, cylindrical member, and cylinder of image forming apparatus, cylindrical member welding method, rotating shaft member manufacturing method, and method of manufacturing developing sleeve of image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10198781A JP2000027849A (en) | 1998-07-14 | 1998-07-14 | Rotating member, rotating shaft member, fixing roller of image forming device, cylindrical member, manufacture of rotating shaft member, and manufacture of developing sleeve of image forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000027849A true JP2000027849A (en) | 2000-01-25 |
Family
ID=16396818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10198781A Pending JP2000027849A (en) | 1997-11-18 | 1998-07-14 | Rotating member, rotating shaft member, fixing roller of image forming device, cylindrical member, manufacture of rotating shaft member, and manufacture of developing sleeve of image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000027849A (en) |
-
1998
- 1998-07-14 JP JP10198781A patent/JP2000027849A/en active Pending
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