JPS6131763A - Method of producing sintered gear unit - Google Patents

Method of producing sintered gear unit

Info

Publication number
JPS6131763A
JPS6131763A JP15602984A JP15602984A JPS6131763A JP S6131763 A JPS6131763 A JP S6131763A JP 15602984 A JP15602984 A JP 15602984A JP 15602984 A JP15602984 A JP 15602984A JP S6131763 A JPS6131763 A JP S6131763A
Authority
JP
Japan
Prior art keywords
gear
metal
sintered
bearing
sintered 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
Application number
JP15602984A
Other languages
Japanese (ja)
Inventor
Kyoichi Okamoto
恭一 岡本
Hiroyuki Morikane
森兼　宏幸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP15602984A priority Critical patent/JPS6131763A/en
Publication of JPS6131763A publication Critical patent/JPS6131763A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0406—Absorption elements for lubricants, e.g. oil felts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)

Abstract

PURPOSE:To extend the life of a bearing metal by impregnating a sintered gear and the bearing metal integrally with lubricating oil after fixedly incorporation said gear in said metalin. CONSTITUTION:A sleeve bearing (bearing metal) 7a made of sintered metal material is fitted in the inner peripheral surface of a boss of a planet gear made of ferroalloy sintered material 6a and then impregnated integrally with oil (lubricating oil). The grain density of the planet gear 6a is larger than that of the sleeve bearing 7a, and the size of cavity in the structure of the sleeve bearing 7a is larger than the planet gear 6a so that the strength and lubrication balance are improved. Thus, the life of the metal is elongated and the unit is prevented from seizure.

Description

【発明の詳細な説明】 〔発明の技術分野〕 この発明は、焼結歯車装置、特に遊星歯車装置を内蔵す
る内部減速スタータの遊星歯車の改良に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an improvement of a sintered gear system, particularly a planetary gear of an internal reduction starter incorporating a planetary gear system.

〔従来技術〕[Prior art]

従来、この種のものに第１図に示すものがあつする内部
減速スタータ、（８）は直流電動機の継鉄、（４）は直
流電動機の電機子回転軸であり、外周面に平歯車（５）
が形晩され、遊星歯車減速装置の太陽歯車を構成してい
る。（６）はこの平歯車（５）とかみ合う遊星歯車であ
り、内周貫通孔にスリーブベアリング（軸受メタル）　
（７）が嵌着され、このベアリングを介してフランジ（
８）に嵌着された支持ビン（９）で回転自在に支承され
る。（至）は内歯々車、（ロ）はこの内歯々車（２）と
一体構晩される枠体であシ、中間機枠（２）が側端面に
一体構改されると共に、外周面に鍔部（至）を有し、こ
の鍔部時は前部機枠α尋の開口部のインロ一部（ト）に
嵌合され、かつプレートＱＱ及びブラシホルダベース０
と共に継鉄（８）ｋ：よって挾瑞保持される。（至）は
中間機枠＠の央部貫通孔σ燵に嵌着されるスリーブベア
リングであり、上記フランジ（８）と一体の出力回転軸
（４）の後端部を回転自在に支承している。（ロ）は出
力回転軸四の後端部に配役された凹溝翰に嵌着されるス
リーブベアリングであシ、と記電機子回転軸（４）の前
端部の被軸承部（転）を結合金部材によって構成され、
その内周に焼結合金含油メタル部材よりなるスリーブベ
アリング（７）が嵌着されている。Conventionally, the one shown in Fig. 1 is an internal reduction starter of this kind, (8) is a yoke of a DC motor, (4) is an armature rotating shaft of a DC motor, and a spur gear ( 5)
is used as the sun gear of the planetary gear reduction device. (6) is a planetary gear that meshes with this spur gear (5), and a sleeve bearing (bearing metal) is installed in the inner circumference through hole.
(7) is fitted, and the flange (
8) is rotatably supported by a support pin (9) fitted into the support pin (9). (To) is an internal gear wheel, (B) is a frame that is integrated with this internal gear wheel (2), and the intermediate machine frame (2) is integrated with the side end surface, and the outer periphery is It has a flange part (to) on the surface, and when this flange part is fitted into the spigot part (g) of the opening in the front machine frame α fathom, and is connected to the plate QQ and the brush holder base 0.
Together with the yoke (8) k: Therefore, the clamp is held. (To) is a sleeve bearing that is fitted into the central through hole σ of the intermediate machine frame @, and rotatably supports the rear end of the output rotating shaft (4) that is integrated with the flange (8). There is. (B) is a sleeve bearing that is fitted into a concave groove provided at the rear end of the output rotating shaft (4). Composed of bonded metal members,
A sleeve bearing (7) made of a sintered alloy oil-impregnated metal member is fitted onto its inner periphery.

従来装置は以りのように構成されているが、この場合１
オイル（潤滑油）をスリーブベアリング（７）に含浸処
理した後、遊里歯車（６）に嵌着（圧入）して組付がな
されており、これをスタータモータに使用した場合、高
回転速度で付勢されるので、潤滑油が早期に消耗し、メ
タル摩耗が早いなどの欠点があった。The conventional device is configured as follows; in this case, 1
After the sleeve bearing (7) is impregnated with oil (lubricating oil), it is fitted (press-fitted) into the free gear (6) and assembled. Because it is energized, the lubricating oil is quickly consumed and the metal wears quickly.

〔発明の概要〕[Summary of the invention]

この発明は、以との様な従来の欠点を改良する為になさ
れたもので、焼結歯車と軸受メタルとを固着した後、一
体的に含油処理することで、信頼性の高い焼結歯車装置
を提供するものである。This invention was made to improve the conventional drawbacks as described below. After the sintered gear and the bearing metal are fixed together, they are integrally treated with oil, resulting in a highly reliable sintered gear. It provides equipment.

〔発明の実施例〕[Embodiments of the invention]

以下、この発明の一実施例ｔ−図について説明する。第
２　ｆＡ　（ａ）、（ｂ）において、（６１Ｌ）ハ鉄合
金焼結部材よりなる遊星歯車であ〕、そのボス内周面に
焼結金属メタル材よりなるスリーブベアリング（軸受メ
タル）　（７＆）が嵌着され、しかる後一体的に含油処
理（ａ滑油含浸処理）を施こすようにしたものである。Hereinafter, one embodiment of the present invention will be described. In 2nd fA (a) and (b), (61L) is a planetary gear made of a sintered iron alloy member], and the inner peripheral surface of the boss is a sleeve bearing (bearing metal) made of a sintered metal material (7& ) is fitted and then integrally subjected to oil impregnation treatment (a lubricant impregnation treatment).

なお、遊星歯車（６ａ）の粉末密度＆まス１」−ブベア
リング（７＆）の粉末密度より大であり、組織内部の空
孔の大きさはスリーブベア１」ング（７ａ）の方が大と
なるように構成され、装置の強度並びに潤滑バランスを
良好にしている。In addition, the powder density of the planetary gear (6a) is larger than that of the sleeve bearing (7&), and the size of the pores inside the structure is larger in the sleeve bearing (7a). It is constructed so that the strength of the device and the lubrication balance are good.

以とのようにすれば、メタル部の潤滑が、遊星歯車部分
に保油された潤滑油によって長期間給油され、メタル摩
耗が低減されるという効果がある。By doing so, the metal part is lubricated for a long period of time by the lubricating oil stored in the planetary gear part, and there is an effect that metal wear is reduced.

なおＬ記実施例では、遊星歯車装置の構成部材について
歯車部分を鉄合金部材で構成した場合について説明した
が、粉末金属の焼成材であれば同様の効果を奏する０ 〔発明の効果〕 以との様にこの発明によれば、焼結歯車の内周面に焼結
材よりなる軸受メタルを固着して後、一体的に潤滑油含
浸処理を圃こすようにしたので、メタルが長寿命化され
、装置の焼付（歯車部分及びメタル部分）事故が防止さ
れる等のものが簡単な処理工程によって安価に可能とな
るという極めて優れた効果を奏する。In addition, in Example L, the case where the gear part of the component of the planetary gear device was made of an iron alloy member was explained, but the same effect can be achieved if the sintered material of powder metal is used.0 [Effects of the Invention] Below According to this invention, the bearing metal made of sintered material is fixed to the inner circumferential surface of the sintered gear, and then the lubricating oil impregnation treatment is applied to the sintered gear, thereby extending the life of the metal. This has an extremely excellent effect in that it is possible to prevent equipment seizure (gear parts and metal parts) accidents at low cost through simple processing steps.

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

第１図は従来の内部減速スタータの要部の断面図、第２
図（ＩＬ）はこの発明の一実施例による遊星歯車装置の
半部断面図、第２図Ｃｂ）は第２図（ａ）の促面図であ
る。 図中、（４）は回転軸、（５）は平歯車、（６ａ）は遊
星歯車、（７ＩＬ）はスリーブベアリング、（９）は支
持ピン、αＯ）は内歯々車である。 尚、図中同一符号は同−又は相当部分を示す。Figure 1 is a sectional view of the main parts of a conventional internal reduction starter;
Figure (IL) is a half sectional view of a planetary gear device according to an embodiment of the present invention, and Figure 2Cb) is a perspective view of Figure 2(a). In the figure, (4) is a rotating shaft, (5) is a spur gear, (6a) is a planetary gear, (7IL) is a sleeve bearing, (9) is a support pin, and αO) is an internal gear. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (2)

【特許請求の範囲】[Claims] （１）焼結歯車の内周面に焼結材よりなる軸受メタルを
固着するものにおいて、上記焼結歯車と軸受メタルとを
組付け固着して後、一体的に潤滑油を含浸処理するよう
にしたことを特徴とする焼結歯車装置の製造方法。(1) When a bearing metal made of sintered material is fixed to the inner peripheral surface of a sintered gear, after the sintered gear and bearing metal are assembled and fixed, the lubricating oil is impregnated integrally with the sintered gear. A method for manufacturing a sintered gear device, characterized in that: （２）焼結歯車の粉末密度は軸受メタルの粉末密度より
大に構成されている特許請求の範囲第１項記載の焼結歯
車装置の製造方法。(2) The method for manufacturing a sintered gear device according to claim 1, wherein the powder density of the sintered gear is greater than the powder density of the bearing metal.
JP15602984A 1984-07-24 1984-07-24 Method of producing sintered gear unit Pending JPS6131763A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15602984A JPS6131763A (en) 1984-07-24 1984-07-24 Method of producing sintered gear unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15602984A JPS6131763A (en) 1984-07-24 1984-07-24 Method of producing sintered gear unit

Publications (1)

Publication Number Publication Date
JPS6131763A true JPS6131763A (en) 1986-02-14

Family

ID=15618750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15602984A Pending JPS6131763A (en) 1984-07-24 1984-07-24 Method of producing sintered gear unit

Country Status (1)

Country Link
JP (1) JPS6131763A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0429645A (en) * 1990-05-22 1992-01-31 Sumitomo Heavy Ind Ltd Inscribed meshing planet gear structure
JP2006110893A (en) * 2004-10-15 2006-04-27 Tohoku Ricoh Co Ltd Master ejector, plate ejecting method, printer, and printing method
US7971528B2 (en) 2003-11-18 2011-07-05 Tohoku Ricoh Co., Ltd. Used-master security system for a printing apparatus
DE102014208227B3 (en) * 2014-04-30 2015-06-11 Robert Bosch Gmbh Transmission component with a receptacle for supporting a component

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5939358B2 (en) * 1974-06-13 1984-09-22 グロ−バル マリ−ン インコ−ポレイテツド Lifting device for large objects on floating ships

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5939358B2 (en) * 1974-06-13 1984-09-22 グロ−バル マリ−ン インコ−ポレイテツド Lifting device for large objects on floating ships

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0429645A (en) * 1990-05-22 1992-01-31 Sumitomo Heavy Ind Ltd Inscribed meshing planet gear structure
US7971528B2 (en) 2003-11-18 2011-07-05 Tohoku Ricoh Co., Ltd. Used-master security system for a printing apparatus
JP2006110893A (en) * 2004-10-15 2006-04-27 Tohoku Ricoh Co Ltd Master ejector, plate ejecting method, printer, and printing method
DE102014208227B3 (en) * 2014-04-30 2015-06-11 Robert Bosch Gmbh Transmission component with a receptacle for supporting a component
US9677660B2 (en) 2014-04-30 2017-06-13 Robert Bosch Gmbh Gear mechanism component having a holder for mounting a component

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