JPH0423116B2 - - Google Patents

Info

Publication number
JPH0423116B2
JPH0423116B2 JP58088928A JP8892883A JPH0423116B2 JP H0423116 B2 JPH0423116 B2 JP H0423116B2 JP 58088928 A JP58088928 A JP 58088928A JP 8892883 A JP8892883 A JP 8892883A JP H0423116 B2 JPH0423116 B2 JP H0423116B2
Authority
JP
Japan
Prior art keywords
rotor
side plate
ferrous
whisker
plate parts
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 - Lifetime
Application number
JP58088928A
Other languages
English (en)
Other versions
JPS59215982A (ja
Inventor
Hiroshi Sakamaki
Susumu Sugishita
Yukio Horikoshi
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.)
Nippon Piston Ring Co Ltd
Original Assignee
Nippon Piston Ring Co Ltd
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 Nippon Piston Ring Co Ltd filed Critical Nippon Piston Ring Co Ltd
Priority to JP58088928A priority Critical patent/JPS59215982A/ja
Priority to US06/610,664 priority patent/US4681519A/en
Publication of JPS59215982A publication Critical patent/JPS59215982A/ja
Priority to US06/691,866 priority patent/US4570316A/en
Publication of JPH0423116B2 publication Critical patent/JPH0423116B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
    • C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/0054—Casting in, on, or around objects which form part of the product rotors, stators for electrical motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/14—Casting in, on, or around objects which form part of the product the objects being filamentary or particulate in form
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08—Rotary pistons
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49801—Shaping fiber or fibered material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y10T29/49989—Followed by cutting or removing material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49993—Filling of opening

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Description

【発明の詳細な説明】 本発明は回転式流体ポンプ用ロータ及びその製
造方法に関するものである。
回転式流体ポンプは多くの産業分野で広く使用
されているが、ロータのシヤフト接続部に応力が
かかり、この部分の製作には多大の配慮を要して
いた。特にロータの軽量化が望まれていることか
ら、この部分についての要望が多かつた。
そこで本発明はこの点に鑑みなされたもので、
第１発明はロータ中央部は非鉄または鉄系材料
で、シヤフトを有するロータの両側板部は母材が
非鉄または鉄系材料のウイスカー型複合材である
ことを特徴とし、その目的とするところは、要部
の強度を高めたロータを提供することにあり、第
２発明はウイスカー繊維を最大密度50％程度に加
圧してシヤフト部を有するロータの両側板部を成
形し、両側板部間に非鉄または鉄系部材を鋳込ん
でロータ中央部を成形するとともに前記両側板部
のウイスカー繊維の空孔部分に該非鉄または鉄系
部材を含浸させてウイスカー型複合材とし、ロー
タ中央部と両側板部とを一体にしたことを特徴と
し、その目的とするところは要部の強度を高めた
ロータの容易で低廉な製造方法を提供するもの
で、第３の発明は、第２の発明において、シヤフ
トをロータ中央部と両側板部とを一体化した後、
鍛造成形したことを特徴とし、その目的とすると
ころはシヤフトの強度が一層強化された製造方法
を提供することにある。
以下、本発明を図示の実施例に基づいて説明す
る。
先ず本発明に係るロータの一実施例を第１図に
より説明すると、アルミニウム，アルミニウム合
金，マグネシウム合金等の非鉄材料あるいは鉄系
材料からなるロータ中央部１の両側に、一側面に
シヤフト２，２′を有するロータ側板部３，３′を
接合したもので、シヤフト２，２′及び側板部３，
３′は母材がロータ中央部１の材料と同じ非鉄あ
るいは鉄系材料のウイスカー型複合材からなり、
ロータ中央部１と側板部３，３′は一体的に成形
されている。４はベーン溝である。
次にこのようなロータの製造方法の一実施例を
第２図乃至第４図により説明すると、ウイスカー
繊維５を最大密度50％程度に加圧成形して、第２
図及び第３図に示す如き、シヤフト部２，２′を
有するロータ側板部３，３′を得て、第３図に示
す如く、この側板部３，３′を金型の両側に配置
して、アルミニウム，アルミニウム合金，マグネ
シウム合金等の非鉄材料あるいは鉄系材料の溶湯
を鋳込み、この溶湯を両側板部３，３′及びシヤ
フト部２，２′のウイスカー繊維の空孔部分を含
浸させてウイスカー型複合材とするとともにロー
タ中央部１を鋳込んだ溶湯によつて鋳造成形し、
第４図に示す如くロータ中央部１とシヤフト２，
２′を有する両側板部３，３′を一体成形し、第１
図に示す如きロータを得る。
尚、ベーン溝４は鋳造成形時あるいは鋳造後切
削成形する。
ウイスカー繊維としては、シリコンカーバイ
ド，カーボン，ガラス，あるいはその他無機質材
の繊維であつて注型される溶湯温度にて溶解され
ない材質を用いる。
次に第５図乃至第７図により別のロータ製造法
を説明すると、ウイスカー繊維５を最大密度50％
程度に加圧して側板部６，６′を成形し第５図に
示す如く、これを金型内の両側に配置して、アル
ミニウム，アルミニウム合金，マグネシウム合金
等の非鉄材料あるいは鉄系材料の溶湯を鋳込み、
この溶湯を両側板部６，６′の空孔部分に含浸さ
せてウイスカー型複合材とするとともにロータ中
央部１を鋳込んだ溶湯によつて鋳造成形して第６
図及び第７図に示す如く、ロータ中央部１と側板
部６，６′を一体的に接合成形した円柱体７を得
る。次にこの円柱体７の側板部５，５を鍛造して
第８図に示す如くシヤフト部２，２′を成形し、
シヤフト部２，２′を有する側板部３，３′をロー
タ中央部１の両側に設けたロータを得ることがで
きる。
このようにしてシヤフト部２，２′を成形する
と、シヤフト部２，２′においてウイスカー繊維
５がロータ軸方向に並行に揃つて配列され、シヤ
フト部の強度を増すことができる。
本発明は以上のようにウイスカー繊維を加圧成
形した両側板部に、ロータ中央部を鋳造成形する
非鉄または鉄系部材を含浸させてウイスカー型複
合部材にしたから、ロータ両側板部分とシヤフト
部分とが強化され、摩擦抵抗の高いウイスカー型
複合材を両側板部とし、ベーン溝が形成されるロ
ータ中央部は非鉄または鉄系部材としたから、ベ
ーンの作動が良好であり、またシヤフトを鍛造成
形した場合には、ロータ軸方向に並行に鍛流線が
形成されてウイスカー繊維が方向性を持ちシヤフ
ト部が一層強化される。
【図面の簡単な説明】
第１図は本発明の回転式流体ポンプ用ロータの
一実施例を示す斜視図、第２図乃至第４図は本発
明のロータ製造方法の一実施例を示すもので、第
２図はウイスカー繊維にて成形されたシヤフト部
を有する側板部の左側面図、第３図はウイスカー
繊維で成形されたシヤフト部を有する側板部を両
側に配置した第２図−断面図、第４図は非鉄
あるいは鉄系材料を鋳込んだ状態を示す断面正面
図、第５図乃至第８図はロータ製造方法の他の実
施例を示すもので、第５図はウイスカー繊維にて
加圧成形された側板部を金型の両側に配設した断
面正面図、第６図は鋳込んだ状態を示す断面正面
図、第７図は鋳込んで成形された円柱体を示す斜
視図、第８図は円柱体の両側にシヤフト部を鍛造
成形した状態を示す断面正面図である。 １はロータ中央部、２，２′はシヤフト部、３，
３′は側板部、４はベーン溝、５はウイスカー繊
維、６，６′は側板部、７は円柱体である。

Claims (1)

  1. 【特許請求の範囲】 １ ロータ中央部は非鉄または鉄系材料で、シヤ
    フトを有するロータの両側板部は母材が非鉄また
    は鉄系材料のウイスカー型複合材であることを特
    徴とする回転式流体ポンプ用ロータ。 ２ ウイスカー繊維を加圧してシヤフト部を有す
    るロータの両側板部を成形し両側板部間に非鉄ま
    たは鉄系材料を鋳込んでロータ中央部を成形する
    とともに前記両側板部のウイスカー繊維の空孔部
    分に該非鉄または鉄系部材を含浸させてウイスカ
    ー型複合材とし、ロータ中央部と両側板部とを一
    体にしたことを特徴とする回転式流体ポンプ用ロ
    ータの製造方法。 ３ ウイスカー繊維を加圧してロータの両側板部
    を成形し、両側板部間に非鉄または鉄系材料を鋳
    込んでロータ中央部を成形するとともに前記両側
    板部のウイスカー繊維の空孔部分に該非鉄または
    鉄系材料を含浸させてウイスカー型複合材とし、
    ロータ中央部と両側板部とを一体にし、しかる後
    両側板部にシヤフトを鍛造にて成形したことを特
    徴とする回転式流体ポンプ用ロータの製造方法。
JP58088928A 1983-05-20 1983-05-20 回転式流体ポンプ用ロータ及びその製造方法 Granted JPS59215982A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP58088928A JPS59215982A (ja) 1983-05-20 1983-05-20 回転式流体ポンプ用ロータ及びその製造方法
US06/610,664 US4681519A (en) 1983-05-20 1984-05-16 Rotor for rotary fluid pump
US06/691,866 US4570316A (en) 1983-05-20 1985-01-16 Method for manufacturing a rotor for a rotary fluid pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58088928A JPS59215982A (ja) 1983-05-20 1983-05-20 回転式流体ポンプ用ロータ及びその製造方法

Publications (2)

Publication Number Publication Date
JPS59215982A JPS59215982A (ja) 1984-12-05
JPH0423116B2 true JPH0423116B2 (ja) 1992-04-21

Family

ID=13956560

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58088928A Granted JPS59215982A (ja) 1983-05-20 1983-05-20 回転式流体ポンプ用ロータ及びその製造方法

Country Status (2)

Country Link
US (2) US4681519A (ja)
JP (1) JPS59215982A (ja)

Families Citing this family (65)

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JPS59215982A (ja) * 1983-05-20 1984-12-05 Nippon Piston Ring Co Ltd 回転式流体ポンプ用ロータ及びその製造方法
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US4681519A (en) 1987-07-21
JPS59215982A (ja) 1984-12-05
US4570316A (en) 1986-02-18

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