JP2007106004A - 樹脂被覆ベアリングの成形方法及び樹脂被膜ベアリングの製造方法並びにその成形方法で成形した樹脂被膜ベアリング - Google Patents
樹脂被覆ベアリングの成形方法及び樹脂被膜ベアリングの製造方法並びにその成形方法で成形した樹脂被膜ベアリング Download PDFInfo
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- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/0077—Moulds or cores; Details thereof or accessories therefor characterised by the configuration of the mould filling gate ; accessories for connecting the mould filling gate with the filling spout
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16C29/045—Ball or roller bearings having rolling elements journaled in one of the moving parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
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- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
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- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
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- 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
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- 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
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- 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
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- 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
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- Y10T29/4998—Combined manufacture including applying or shaping of fluent material
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- 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
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- Y10T29/49988—Metal casting
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- 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
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- Y10T29/49988—Metal casting
- Y10T29/49989—Followed by cutting or removing material
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- 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
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Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Rolling Contact Bearings (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
【解決手段】 成形型50のディスク空間部53のほぼ中央に向かって上型52に形成されるスプール部55から溶融樹脂を射出したときにピンゲート56からディスク空間部53に溶融樹脂が導かれた後フィルムゲート部54を介してキャビティ57に溶融樹脂が充填されるので、外輪25に被膜される樹脂部材においてウェルド部がなくなって被膜部材40の樹脂強度の均一化を図ることができ、高負荷時においても被膜部材40の割れの発生を抑制することができる。また、ディスク部53の全周縁に形成されるフィルムゲート部41が下型51と上型52とから形成されているので、両型51,52から樹脂被覆ベアリングを取り出してディスク空間部53のランナー42を切断処理するだけの後加工で済むという利点がある。
【選択図】 図4
Description
9 スライドドア
10 センタ樹脂被膜ベアリング機構
11 支持部材
12 支持ローラ取付片
13 樹脂被膜ベアリング取付片
15 支持ローラ
20 樹脂被膜ベアリング
21 支持軸
25 外輪
26 内輪
27 ベアリング
29 ゴム製シールリング(シール部材)
30 鍔部
31 脱落防止凹部
32 R突出部
33 小鍔部
34 凸部
35 シール嵌合凹部
36 軌道凹部
40 被覆部材
41 ゲートランナー部
42 ディスクランナー部
45 シール用ランナー部
50 成形型
51 下型
52 上型
53 ディスク空間部
54 フィルムゲート部
55 スプール部
56 ピンゲート
57 キャビティ
59 円柱部
60 下治具(専用治具)
61 上治具(専用治具)
Claims (6)
- ボールベアリングの金属製外輪の外周面に合成樹脂製の被覆部材をインサート成形する樹脂被覆ベアリングの成形方法において、
成形型の下型に設けられる円柱部に前記外輪の内周面で形成される孔を嵌入するように挿入した後、成形型の上型を前記下型に被せて前記外輪の外周と当該下型及び/又は前記上型とでキャビティが形成され、また、その被せたときに前記下型の円柱部と前記上型との間に平面視で円盤状となるディスク空間部が形成されると共に当該ディスク空間部の外周の全縁部と前記キャビティとが連通するフィルムゲート部が形成され、
前記ディスク空間部のほぼ中央に向かって前記上型に形成されるスプール部から溶融樹脂を射出したときに前記スプール部の下端に形成されるピンゲートから前記ディスク空間部に溶融樹脂が導かれた後フィルムゲート部を介して前記キャビティに溶融樹脂が充填されることを特徴とする樹脂被覆ベアリングの成形方法。 - 請求項1記載の樹脂被膜ベアリングの成形方法によって成形した樹脂被膜ベアリングであって、
前記合成樹脂製の被覆部材が被覆された外輪を前記成形型から抜き出した後に専用治具によって前記ディスク空間部に充填されたランナーを前記フィルムゲート部で切断することにより取り除き、その後、ベアリングを介して内輪を嵌入したことを特徴とする樹脂被膜ベアリングの製造方法。 - 請求項1記載の樹脂被膜ベアリングの成形方法によって成形した樹脂被膜ベアリングであって、
前記外輪の前記合成樹脂製の被覆部材と対面する外周面の形状を、その外周面一端側に鍔部が形成されると共に、その鍔部の内側下部から外周面他端側に向かう底面の離れた位置に脱落防止凹部を複数個形成すると共にその脱落防止凹部間を突出したR形状の突出部に形成し、さらに外周面他端側に前記フィルムゲート部を形成するための凸部を形成したことを特徴とする樹脂被膜ベアリング。 - 前記外輪の外周面他端側の前記凸部に対応する内周面に、シール材を嵌合するためのシール嵌合凹部が形成されると共に、該シール嵌合凹部の外側突出部の突出高さが前記シール嵌合凹部の深さの半分よりも小さく形成されていることを特徴とする請求項3記載の樹脂被膜ベアリング。
- 前記被覆部材が軟化温度の高い46ナイロンを主成分としてカーボン繊維を混合した繊維強化型合成樹脂よりなることを特徴とする請求項3又は請求項4記載の樹脂被膜ベアリング。
- 前記樹脂被膜ベアリングが、車体側に設けられるレールに沿って転動する車両用スライドドアのガイドローラに使用されていることを特徴とする請求項3乃至請求項5のいずれかに記載の樹脂被膜ベアリング。
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JP2005299514A JP4262711B2 (ja) | 2005-10-14 | 2005-10-14 | 樹脂被覆ベアリングの成形方法及び樹脂被膜ベアリングの製造方法並びにその成形方法で成形した樹脂被膜ベアリング |
US11/580,008 US7895748B2 (en) | 2005-10-14 | 2006-10-13 | Method of molding a resin coated bearing, method of manufacturing a resin coated bearing, and a resin coated bearing molded by the molding method |
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JP2005299514A JP4262711B2 (ja) | 2005-10-14 | 2005-10-14 | 樹脂被覆ベアリングの成形方法及び樹脂被膜ベアリングの製造方法並びにその成形方法で成形した樹脂被膜ベアリング |
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WO2008133046A1 (ja) | 2007-04-13 | 2008-11-06 | Nec Corporation | 写真グループ化装置、写真グループ化方法、および写真グループ化用プログラム |
KR101766035B1 (ko) | 2015-09-04 | 2017-08-07 | 현대자동차주식회사 | 자동차 내장재의 제조 장치 및 방법 |
JP2019035472A (ja) * | 2017-08-17 | 2019-03-07 | 大同メタル工業株式会社 | 車両用スライドドアのガイドローラ |
WO2022202651A1 (ja) * | 2021-03-22 | 2022-09-29 | Ntn株式会社 | 絶縁転がり軸受 |
JP7210140B2 (ja) | 2018-01-26 | 2023-01-23 | コニカミノルタ株式会社 | 樹脂製部材及び画像形成装置 |
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US919811A (en) * | 1907-05-11 | 1909-04-27 | Harry A Beynon | Electrical switch. |
US1017460A (en) * | 1911-10-05 | 1912-02-13 | Giuseppe Polverino | Album book-stand. |
JP3301873B2 (ja) * | 1994-11-18 | 2002-07-15 | 光洋精工株式会社 | 樹脂巻き部品の成形方法 |
US6419370B1 (en) * | 2001-01-22 | 2002-07-16 | Chung-Yang M. Chen | Book lamp structure |
JP3952761B2 (ja) | 2001-12-10 | 2007-08-01 | トヨタ車体株式会社 | ガイドローラ |
US6736531B2 (en) * | 2002-01-16 | 2004-05-18 | Stewart Wallach | Reading light with shutoff timer |
US7163306B1 (en) * | 2003-06-16 | 2007-01-16 | William R. Major | Book spine mounted book light |
JP3787146B1 (ja) * | 2005-08-30 | 2006-06-21 | 株式会社未来 | 照明装置 |
US7490948B2 (en) * | 2006-08-24 | 2009-02-17 | Eric Fisherman, Inc. | Multifunction reading light and book covers therefore |
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2005
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2006
- 2006-10-13 US US11/580,008 patent/US7895748B2/en active Active
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WO2008133046A1 (ja) | 2007-04-13 | 2008-11-06 | Nec Corporation | 写真グループ化装置、写真グループ化方法、および写真グループ化用プログラム |
KR101766035B1 (ko) | 2015-09-04 | 2017-08-07 | 현대자동차주식회사 | 자동차 내장재의 제조 장치 및 방법 |
JP2019035472A (ja) * | 2017-08-17 | 2019-03-07 | 大同メタル工業株式会社 | 車両用スライドドアのガイドローラ |
US10309139B2 (en) | 2017-08-17 | 2019-06-04 | Daido Metal Company Ltd. | Guide roller for slide door of vehicle |
JP7210140B2 (ja) | 2018-01-26 | 2023-01-23 | コニカミノルタ株式会社 | 樹脂製部材及び画像形成装置 |
WO2022202651A1 (ja) * | 2021-03-22 | 2022-09-29 | Ntn株式会社 | 絶縁転がり軸受 |
JP7504852B2 (ja) | 2021-10-27 | 2024-06-24 | 大同メタル工業株式会社 | ローラ |
Also Published As
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US7895748B2 (en) | 2011-03-01 |
US20070085239A1 (en) | 2007-04-19 |
JP4262711B2 (ja) | 2009-05-13 |
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