JP7603880B2 - 中実部分を有する差厚パイプの押出成形方法及び押出成形装置 - Google Patents

中実部分を有する差厚パイプの押出成形方法及び押出成形装置 Download PDF

Info

Publication number
JP7603880B2
JP7603880B2 JP2024501508A JP2024501508A JP7603880B2 JP 7603880 B2 JP7603880 B2 JP 7603880B2 JP 2024501508 A JP2024501508 A JP 2024501508A JP 2024501508 A JP2024501508 A JP 2024501508A JP 7603880 B2 JP7603880 B2 JP 7603880B2
Authority
JP
Japan
Prior art keywords
inner diameter
mandrel
tip
hollow
outer diameter
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.)
Active
Application number
JP2024501508A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2024111215A5 (https=
JPWO2024111215A1 (https=
Inventor
喬志 木村
健太郎 野津
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.)
Sango Co Ltd
Original Assignee
Sango 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 Sango Co Ltd filed Critical Sango Co Ltd
Publication of JPWO2024111215A1 publication Critical patent/JPWO2024111215A1/ja
Publication of JPWO2024111215A5 publication Critical patent/JPWO2024111215A5/ja
Application granted granted Critical
Publication of JP7603880B2 publication Critical patent/JP7603880B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/14—Making other products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/21—Presses specially adapted for extruding metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00—Profiling tools for metal extruding
    • B21C25/08—Dies or mandrels with section variable during extruding, e.g. for making tapered work; Controlling variation
    • 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
    • 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
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/08—Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
JP2024501508A 2022-11-22 2023-09-05 中実部分を有する差厚パイプの押出成形方法及び押出成形装置 Active JP7603880B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022186133 2022-11-22
JP2022186133 2022-11-22
PCT/JP2023/032371 WO2024111215A1 (ja) 2022-11-22 2023-09-05 中実部分を有する差厚パイプの押出成形方法及び押出成形装置

Publications (3)

Publication Number Publication Date
JPWO2024111215A1 JPWO2024111215A1 (https=) 2024-05-30
JPWO2024111215A5 JPWO2024111215A5 (https=) 2024-10-23
JP7603880B2 true JP7603880B2 (ja) 2024-12-20

Family

ID=91195380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024501508A Active JP7603880B2 (ja) 2022-11-22 2023-09-05 中実部分を有する差厚パイプの押出成形方法及び押出成形装置

Country Status (3)

Country Link
JP (1) JP7603880B2 (https=)
CN (1) CN120239635A (https=)
WO (1) WO2024111215A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003010940A (ja) 2001-06-26 2003-01-15 Toto Ltd 鍛造装置及び鍛造方法
JP2003266139A (ja) 2002-03-14 2003-09-24 Toto Ltd 金属部品の鍛造方法
WO2013038526A1 (ja) 2011-09-14 2013-03-21 荻野工業株式会社 パイプ製造方法
JP2013230494A (ja) 2012-05-01 2013-11-14 Sango Co Ltd 中空品の製造方法
JP2014205187A (ja) 2013-04-16 2014-10-30 トヨタ自動車株式会社 中空押出成形装置及び中空押出成形方法
JP2021041461A (ja) 2019-09-06 2021-03-18 株式会社三五 差厚パイプの押出成形方法及び差厚パイプの押出成形装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3213664A (en) * 1961-03-24 1965-10-26 Textron Inc Apparatus for forming articles
US3165199A (en) * 1962-04-05 1965-01-12 Fellows Gear Shaper Co Method of forming shouldered articles
US3261196A (en) * 1964-05-08 1966-07-19 Textron Inc Method for making hollow articles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003010940A (ja) 2001-06-26 2003-01-15 Toto Ltd 鍛造装置及び鍛造方法
JP2003266139A (ja) 2002-03-14 2003-09-24 Toto Ltd 金属部品の鍛造方法
WO2013038526A1 (ja) 2011-09-14 2013-03-21 荻野工業株式会社 パイプ製造方法
JP2013230494A (ja) 2012-05-01 2013-11-14 Sango Co Ltd 中空品の製造方法
JP2014205187A (ja) 2013-04-16 2014-10-30 トヨタ自動車株式会社 中空押出成形装置及び中空押出成形方法
JP2021041461A (ja) 2019-09-06 2021-03-18 株式会社三五 差厚パイプの押出成形方法及び差厚パイプの押出成形装置

Also Published As

Publication number Publication date
WO2024111215A1 (ja) 2024-05-30
CN120239635A (zh) 2025-07-01
JPWO2024111215A1 (https=) 2024-05-30

Similar Documents

Publication Publication Date Title
CN102825161B (zh) 油缸装置的制造方法
JP4929408B1 (ja) 中空エンジンバルブの製造方法
JP5221910B2 (ja) パイプ拡管方法
CN104334293A (zh) 用于以成形工艺生产罐形部件的方法
CN114340812B (zh) 不等厚管的挤压成型方法以及不等厚管的挤压成型装置
RU2323058C1 (ru) Способ формирования наружной резьбы на концевом участке трубной заготовки
JP6394254B2 (ja) 拡径管部品の製造方法および製造装置
JP7603880B2 (ja) 中実部分を有する差厚パイプの押出成形方法及び押出成形装置
JPWO2024111215A5 (https=)
JP2006272350A (ja) 偏心拡径加工用ポンチ及び偏心拡径パイプの製造方法
JP6665643B2 (ja) 拡径管部品の製造方法および製造装置
JP4906849B2 (ja) 鋼管の拡管成形方法および鋼管の拡管成形装置
JP4407825B2 (ja) 押出成形方法及び押出成形装置
JP4723769B2 (ja) 中空ラックバーの製造方法
US20070017267A1 (en) Apparatus and method for performing a hydroforming process
JP7558394B2 (ja) テーパ部を有する円筒体の成形方法
JP7751523B2 (ja) フランジ部及び環状凸部が管端に一体的に形成された筒状体の成形方法
KR20220147763A (ko) 스티어링 샤프트 및 그 제조방법
JPH07144247A (ja) 段付き部品の鍛造金型及び段付き部品の鍛造方法
RU2323059C1 (ru) Способ формирования внутренней резьбы на концевом участке трубной заготовки
JP6976302B2 (ja) 金属加工品の製造方法
JP2640638B2 (ja) 精密型抜き鍛造によるリングギア製造方法
RU2240202C2 (ru) Способ изготовления полых деталей
RU2343033C2 (ru) Способ формообразования особотонкостенных многослойных сильфонов
JP2025158075A (ja) 筒状部材の形成方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240111

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240111

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240820

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240930

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20241203

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20241210

R150 Certificate of patent or registration of utility model

Ref document number: 7603880

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150