IT1034844B - Procedimento e dispositivo per il cambio di mandrino in unlaminatoio foratore - Google Patents

Procedimento e dispositivo per il cambio di mandrino in unlaminatoio foratore

Info

Publication number
IT1034844B
IT1034844B IT21998/75A IT2199875A IT1034844B IT 1034844 B IT1034844 B IT 1034844B IT 21998/75 A IT21998/75 A IT 21998/75A IT 2199875 A IT2199875 A IT 2199875A IT 1034844 B IT1034844 B IT 1034844B
Authority
IT
Italy
Prior art keywords
spindle
procedure
changing
boring mill
boring
Prior art date
Application number
IT21998/75A
Other languages
English (en)
Original Assignee
Valti Sa
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 Valti Sa filed Critical Valti Sa
Application granted granted Critical
Publication of IT1034844B publication Critical patent/IT1034844B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
    • B21B25/06—Interchanging mandrels, fixing plugs on mandrel rods or cooling during interchanging mandrels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Wire Processing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Forging (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
IT21998/75A 1974-04-05 1975-04-04 Procedimento e dispositivo per il cambio di mandrino in unlaminatoio foratore IT1034844B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7412188A FR2266557B1 (it) 1974-04-05 1974-04-05

Publications (1)

Publication Number Publication Date
IT1034844B true IT1034844B (it) 1979-10-10

Family

ID=9137366

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21998/75A IT1034844B (it) 1974-04-05 1975-04-04 Procedimento e dispositivo per il cambio di mandrino in unlaminatoio foratore

Country Status (6)

Country Link
US (1) US4022043A (it)
JP (1) JPS591126B2 (it)
DE (1) DE2514720C2 (it)
FR (1) FR2266557B1 (it)
GB (1) GB1504621A (it)
IT (1) IT1034844B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2652759C3 (de) * 1976-11-16 1980-05-22 Mannesmann Ag, 4000 Duesseldorf Lösbare Verbindung zwischen einem Dorn und der Dornstange eines Schrägwalzwerkes
DE2657059C3 (de) * 1976-12-14 1980-10-23 Mannesmann Ag, 4000 Duesseldorf Dornwechselvorrichtung für ein Schrägwalzwerk
US4483638A (en) * 1981-05-29 1984-11-20 Vallourec Device for fixing a piercing or expanding plug to a piercing or expanding bar
US5099667A (en) * 1989-06-16 1992-03-31 Lonza Ltd. System for suspending and applying solid lubricants to tools or work pieces
ATE111379T1 (de) * 1990-03-26 1994-09-15 Lonza Ag Verfahren und einrichtung zum intervallweisen versprühen einer schmiermittel-suspension.
EP0465840B1 (de) * 1990-07-10 1994-11-02 Lonza Ag Filtriereinrichtung, insbesondere für die Abtrennung von Grobpartikeln aus einer Schmiermittel-Suspension, und deren Verwendung
WO2004003556A1 (de) * 2002-06-28 2004-01-08 november Aktiengesellschaft Gesellschaft für Molekulare Medizin Vorrichtung und verfahren zum elektrochemischen nachweis
JP4462265B2 (ja) * 2004-03-11 2010-05-12 住友金属工業株式会社 継目無管の穿孔圧延用プラグ、継目無管の製造装置およびこれらを用いた継目無管の製造方法
US9486845B2 (en) 2012-08-24 2016-11-08 Nippon Steel & Sumitomo Metal Corporation Inner surface regulation tool, plug, mandrel, hot rolling mill, press piercing machine, and drawing machine
EP2889090B1 (en) * 2012-08-24 2017-08-09 Nippon Steel & Sumitomo Metal Corporation Plug for hot pipe manufacturing
JP7462295B2 (ja) 2020-03-19 2024-04-05 株式会社イシダ 計量装置
CN113493099B (zh) 2020-03-19 2023-04-14 株式会社石田 计量装置
CN112317541B (zh) * 2020-10-23 2022-08-05 太原科技大学 一种离线轧管顶头自动装卸装置
CN117000766B (zh) * 2023-10-07 2023-12-22 江苏三耐特种设备制造有限公司 一种穿孔机的固定夹具

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE518506C (de) * 1929-11-23 1931-02-17 Ewald Roeber Dornhalter fuer Pilgerschrittwalzwerke, bei dem der Dorn gegen Verdrehung gesichert und gegen axiale Verschiebung verriegelt ist
DE951001C (de) * 1954-04-29 1956-10-18 Schloemann Ag Lochdornstopfen-, Wechsel- und Kuehlvorrichtung
DE1752833C3 (de) * 1967-07-29 1982-03-04 Ing. C. Olivetti & C., S.p.A., 10015 Ivrea, Torino Verriegelungseinrichtung für die Werkzeuge im Werkzeugmagazin einer Werkzeugmaschine
DE1925451A1 (de) * 1968-05-18 1969-12-11 Innocenti Soc Gen Per L Ind Me Selbsttaetige Dornwechselvorrichtung fuer Schraegwalzwerk
DE1956608B2 (de) * 1969-11-11 1972-12-07 Institut Elektroswarki lmeni E O Patona, Kiew (Sowjetunion) Verfahren zur verschleissfesten auftragsschweissung von werkstuecken
US3595109A (en) * 1970-01-07 1971-07-27 Leblond Mach Tool Co R K Tool turret
DE2048990A1 (de) * 1970-09-28 1972-03-30 Mannesmann-Meer AG, 4050 Mönchengladbach Selbsttätige Dornwechselvorrichtung für Schragwalzwerke
DE7039396U (de) * 1970-10-24 1971-06-03 Kocks F Dornstange mit Stopfen in losbarer Verbindung beim Lochschragwalzwerk
DE2163818A1 (de) * 1971-12-17 1973-06-20 Mannesmann Roehren Werke Ag Stopfen fuer rohrwalzwerk
US3791257A (en) * 1972-03-27 1974-02-12 Ind Inc Machine tool tooling
IT1020387B (it) * 1973-09-12 1977-12-20 Mannesmann Roehren Werke Ag Dispositivo per il cambio delle spine in un laminatoio obliquo
US3931724A (en) * 1974-08-14 1976-01-13 Mark Grigorievich Berdyansky Plug-retaining device for use in piercing and plugging mills
JPS5334360U (it) * 1976-08-26 1978-03-25

Also Published As

Publication number Publication date
US4022043A (en) 1977-05-10
JPS50136268A (it) 1975-10-29
GB1504621A (en) 1978-03-22
DE2514720C2 (de) 1983-05-05
FR2266557B1 (it) 1977-10-14
DE2514720A1 (de) 1975-10-16
JPS591126B2 (ja) 1984-01-10
FR2266557A1 (it) 1975-10-31

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940216