JP7007918B2 - 等速自在継手の外側継手部材の鍛造装置および鍛造方法 - Google Patents
等速自在継手の外側継手部材の鍛造装置および鍛造方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
- B21K1/762—Coupling members for conveying mechanical motion, e.g. universal joints
- B21K1/765—Outer elements of coupling members
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- 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
- B21J5/12—Forming profiles on internal or external surfaces
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/224—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
-
- 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
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/12—Drives for forging presses operated by hydraulic or liquid pressure
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22306—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts having counter tracks, i.e. ball track surfaces which diverge in opposite directions
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22309—Details of grooves
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0023—Shaping by pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Forging (AREA)
Description
る。
2 外側継手部材
3 内側継手部材
4 ボール
5 保持器
6 球状内周面
7 トラック溝
7a' 略仕上げ形状の第1のトラック溝面
7b' 予備形状の第2のトラック溝面
8 球状外周面
9 トラック溝
12 球状外周面
13 球状内周面
20 パンチ
21 パンチベース
22 傘パンチ
23 ダイス
23a ダイス孔
24 パンチホルダ
27A、27B トラック溝成形面
27Aa、27Ba 第1のトラック溝部成形面
27Ab、27Bb 第2のトラック溝部成形面
203 位相合わせ治具
M1 しごき成形機構
M2 位相合わせ機構
M 回転機構
T パンチセット
Ta 薄肉部
Tb 厚肉部
W1 前素材
W1a 突状部
W1b 筒状部
Claims (11)
- 球状内周面に複数のトラック溝が形成された外側継手部材と、球状外周面に前記外側継手部材のトラック溝と対をなす複数のトラック溝が形成された内側継手部材と、前記外側継手部材のトラック溝と内側継手部材のトラック溝との間に介在してトルクを伝達する複数のボールと、前記外側継手部材の球状内周面と内側継手部材の球状外周面との間に介在してボールを保持する保持器とを備え、前記外側継手部材と内側継手部材の各トラック溝が、継手中心に対して軸方向にオフセットのない曲率中心をもつ円弧状のボール軌道中心線を有し、このボール軌道中心線と前記継手中心を含む平面を継手の軸線に対して周方向に傾斜させ、この傾斜方向を、対になる前記外側継手部材のトラック溝と内側継手部材のトラック溝とで相反させた等速自在継手の外側継手部材の鍛造装置であって、
外側継手部材を構成する前素材は内周面に溝が形成された筒状部を有し、この筒状部に嵌入されて拡縮可能なパンチセットと、筒状部が圧入される孔を有するダイスとを有するしごき成形機構と、
前記前素材をパンチセットに嵌合させる前に、前素材の内周面の溝とパンチセットの溝部成形面との位相を合わせる位相合わせ機構とを備え、
前記位相合わせ機構は、前素材の内周面の溝とパンチセットの溝部成形面との位相が合っている状態で、前素材の周方向に隣り合う2つの溝にそれぞれ嵌入し、それらの位相が合っていない状態でそれぞれの嵌入が規制される一対の凸部を有する位相合わせ用治具を有し、
この位相合わせ用治具にて位相合わせされた状態の前素材をその軸心廻りに回転して、パンチセットの溝部成形面の位相に合わせる回転機構とを有することを特徴とする等速自在継手の外側継手部材の鍛造装置。 - 前記前素材の筒状部の内周面には、奥側の軸方向略半分に周方向に傾斜した円弧状の略仕上げ形状のトラック溝面と、開口側の軸方向略半分に周方向に傾斜しない直線状の予備形状のトラック溝面とが形成され、かつ、筒状部の内周面の入口部における、周方向に隣り合う溝間は、薄肉部又は厚肉部とされて、この薄肉部と厚肉部は周方向に沿って交互に配置され、
前記位相合わせ機構は、前素材の周方向に隣り合う溝に軸方向に沿って嵌合する一対の凸部と、この凸部間に設けられて前素材の薄肉部に軸方向に沿って内嵌可能であるとともに、前素材の厚肉部への軸方向に沿った内嵌が不能とされる連結部とを有する位相合わせ用治具を備え、
ことを特徴とする請求項1に記載の等速自在継手の外側継手部材の鍛造装置。 - 前記位相合わせ機構の位相合わせ用治具は、少なくとも、軸心に関して180°反対に配設される2個用いることを特徴とする請求項1又は請求項2に記載の等速自在継手の外側継手部材の鍛造装置。
- 前記パンチセットは、少なくとも複数のパンチと、このパンチを進退可能に案内するパンチベースを備え、前記各パンチには、隣り合うトラック溝を成形する一対の成形面が形成されていることを特徴とする請求項1~請求項3のいずれか1項に記載の等速自在継手の外側継手部材の鍛造装置。
- 前記パンチセットは、前記パンチと前記パンチベースに加えて傘パンチを備えていることを特徴とする請求項1~請求項4のいずれか1項に記載の等速自在継手の外側継手部材の鍛造装置。
- 前記パンチと前記パンチベースがパンチホルダに収容案内され、前記パンチの前進行程長さが、前記パンチベースの前進行程長さより長いことを特徴とする請求項1~請求項5のいずれか1項に記載の等速自在継手の外側継手部材の鍛造装置。
- 前記前素材の筒状部の外周面に、部分的に突出する突状部が形成されていることを特徴とする請求項1~請求項6のいずれか1項に記載の等速自在継手の外側継手部材の鍛造装置。
- 球状内周面に複数のトラック溝が形成された外側継手部材と、球状外周面に前記外側継手部材のトラック溝と対をなす複数のトラック溝が形成された内側継手部材と、前記外側継手部材のトラック溝と内側継手部材のトラック溝との間に介在してトルクを伝達する複数のボールと、前記外側継手部材の球状内周面と内側継手部材の球状外周面との間に介在してボールを保持する保持器とを備え、前記外側継手部材と内側継手部材の各トラック溝が、継手中心に対して軸方向にオフセットのない曲率中心をもつ円弧状のボール軌道中心線を有し、このボール軌道中心線と前記継手中心を含む平面を継手の軸線に対して周方向に傾斜させ、この傾斜方向を、対になる前記外側継手部材のトラック溝と内側継手部材のトラック溝とで相反させた等速自在継手の外側継手部材の鍛造方法であって、
前記前素材をパンチセットに嵌入させる前に、前素材の筒状部の内周面に形成した溝とパンチセットの溝部成形面との位相を、位相合わせ機構を用いて合わせ、この位相があっている状態で、筒状部を有する外側継手部材の前素材の筒状部に拡縮可能なパンチセットを嵌入させて、前記筒状部をダイスの孔に圧入してしごき成形し、
前記位相合わせ機構は、前素材の内周面の溝とパンチセットの溝部成形面との位相が合っている状態で、前素材の周方向に隣り合う2つの溝にそれぞれ嵌入し、それらの位相が合っていない状態でそれぞれの嵌入が規制される一対の凸部を有する位相合わせ用治具を備えることを特徴とする等速自在継手の外側継手部材の鍛造方法。 - 記前素材の筒状部の内周面に、奥側の軸方向略半分に周方向に傾斜した円弧状の略仕上げ形状のトラック溝面と、開口側の軸方向略半分に周方向に傾斜しない直線状の予備形状のトラック溝面とを形成し、かつ、前記前素材の筒状部の内周面の入口部における、周方向に隣り合う溝間を、薄肉部又は厚肉部に形成して、この薄肉部と厚肉部を周方向に沿って交互に配置し、
前記位相合わせ機構には、前素材の周方向に隣り合う溝に軸方向に沿って嵌合する一対の凸部と、この凸部間に設けられて前素材の薄肉部に軸方向に沿って内嵌可能であるとともに、前素材の厚肉部への軸方向に沿った内嵌が不能とされる連結部とを備えた位相合わせ治具を用いることを特徴とする請求項8に記載の等速自在継手の外側継手部材の鍛造方法。 - 位相合わせ用治具の一対の凸部が前素材の一対の溝に嵌合するとともにこの位相合わせ用治具の外径面が薄肉部に内嵌した状態で、この位相合わせ用治具を回転させて所定の位相位置で前素材を停止して、パンチセットとダイスによるしごき成形を行うことを特徴とする請求項8又は請求項9に記載の等速自在継手の外側継手部材の鍛造方法。
- 前記しごき成形に際し、前記前素材の筒状部の開口部側からダイスの孔に圧入することを特徴とする請求項8~請求項10のいずれか1項に記載の等速自在継手の外側継手部材の鍛造方法。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018001253A JP7007918B2 (ja) | 2018-01-09 | 2018-01-09 | 等速自在継手の外側継手部材の鍛造装置および鍛造方法 |
| PCT/JP2018/047765 WO2019138872A1 (ja) | 2018-01-09 | 2018-12-26 | 等速自在継手の外側継手部材の鍛造装置および鍛造方法 |
| CN201880085513.3A CN111565866B (zh) | 2018-01-09 | 2018-12-26 | 等速万向联轴器的外侧联轴器构件的锻造装置以及锻造方法 |
| DE112018006795.5T DE112018006795T5 (de) | 2018-01-09 | 2018-12-26 | Schmiedevorrichtung und schmiedeverfahren für ein äusseres gelenkelement eines gleichlaufgelenks |
| US16/957,469 US11478845B2 (en) | 2018-01-09 | 2018-12-26 | Forging device and forging method for outer joint member of constant-velocity universal joint |
| US17/944,719 US11897025B2 (en) | 2018-01-09 | 2022-09-14 | Forging device and forging method for outer joint member of constant-velocity universal joint |
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| JP2018001253A JP7007918B2 (ja) | 2018-01-09 | 2018-01-09 | 等速自在継手の外側継手部材の鍛造装置および鍛造方法 |
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| KR102291617B1 (ko) * | 2020-11-23 | 2021-08-18 | 김관섭 | 스티어링 샤프트용 스플라인 성형장치 |
| KR102261028B1 (ko) * | 2021-01-18 | 2021-06-03 | 김관섭 | 스티어링 샤프트용 세레이션 성형장치 |
| CN112692212B (zh) * | 2021-01-27 | 2022-07-12 | 中国第一重型机械股份公司 | 一种模锻设备及锤头切换方法 |
| DE102022116964A1 (de) * | 2022-07-07 | 2024-01-18 | Hirschvogel Holding GmbH | Verschiebegelenkaußenbauteil, Verschiebegelenk und Verfahren zur Herstellung eines Verschiebegelenkaußenbauteils |
| EP4491299A1 (en) | 2023-07-14 | 2025-01-15 | Cie Automotive, S.A. | Method for manufacturing a cross groove constant velocity joint and tooling for said method |
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| JP2017051960A (ja) * | 2015-09-07 | 2017-03-16 | Ntn株式会社 | 等速自在継手の内側継手部材の鍛造方法 |
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- 2018-01-09 JP JP2018001253A patent/JP7007918B2/ja active Active
- 2018-12-26 DE DE112018006795.5T patent/DE112018006795T5/de active Pending
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- 2018-12-26 CN CN201880085513.3A patent/CN111565866B/zh active Active
- 2018-12-26 US US16/957,469 patent/US11478845B2/en active Active
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| JP2002346688A (ja) | 2001-05-18 | 2002-12-03 | Ntn Corp | 等速自在継手外輪の製造方法 |
| JP2004154810A (ja) | 2002-11-06 | 2004-06-03 | Nissan Motor Co Ltd | 等速ジョイント用アウタレースの成形方法およびその装置 |
| JP2005349417A (ja) | 2004-06-08 | 2005-12-22 | Toyoda Mach Works Ltd | しごき加工方法 |
| WO2017141647A1 (ja) | 2016-02-16 | 2017-08-24 | Ntn株式会社 | 等速自在継手の外側継手部材の鍛造方法 |
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| US20210370387A1 (en) | 2021-12-02 |
| CN111565866B (zh) | 2022-08-05 |
| US20230013212A1 (en) | 2023-01-19 |
| CN111565866A (zh) | 2020-08-21 |
| US11897025B2 (en) | 2024-02-13 |
| DE112018006795T5 (de) | 2020-09-17 |
| WO2019138872A1 (ja) | 2019-07-18 |
| JP2019118937A (ja) | 2019-07-22 |
| US11478845B2 (en) | 2022-10-25 |
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