BR7605525A - DRILLING PROCESS IN PRESS ROLLS - Google Patents

DRILLING PROCESS IN PRESS ROLLS

Info

Publication number
BR7605525A
BR7605525A BR7605525A BR7605525A BR7605525A BR 7605525 A BR7605525 A BR 7605525A BR 7605525 A BR7605525 A BR 7605525A BR 7605525 A BR7605525 A BR 7605525A BR 7605525 A BR7605525 A BR 7605525A
Authority
BR
Brazil
Prior art keywords
drilling process
press rolls
rolls
press
drilling
Prior art date
Application number
BR7605525A
Other languages
Portuguese (pt)
Inventor
S Yoshiwara
M Kawaharada
S Yanagimoto
Original Assignee
Nippon Steel Corp
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 Steel Corp filed Critical Nippon Steel Corp
Publication of BR7605525A publication Critical patent/BR7605525A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/08—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Forging (AREA)
BR7605525A 1975-08-22 1976-08-23 DRILLING PROCESS IN PRESS ROLLS BR7605525A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50102348A JPS5224970A (en) 1975-08-22 1975-08-22 Method of press roll boring

Publications (1)

Publication Number Publication Date
BR7605525A true BR7605525A (en) 1977-08-09

Family

ID=14324973

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7605525A BR7605525A (en) 1975-08-22 1976-08-23 DRILLING PROCESS IN PRESS ROLLS

Country Status (9)

Country Link
JP (1) JPS5224970A (en)
BR (1) BR7605525A (en)
CA (1) CA1046308A (en)
DE (1) DE2637542A1 (en)
FR (1) FR2321340A1 (en)
GB (1) GB1554753A (en)
IT (1) IT1062264B (en)
RO (1) RO71124A (en)
SU (1) SU1022652A3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53132453A (en) * 1977-04-25 1978-11-18 Sumitomo Metal Ind Ltd Piercing method in press piercing mill
JPS6289110U (en) * 1985-11-25 1987-06-08
CN112453075A (en) * 2020-10-20 2021-03-09 浙江铜加工研究院有限公司 Tubular product feeding mechanism and high-speed rolling mill

Also Published As

Publication number Publication date
IT1062264B (en) 1984-02-01
GB1554753A (en) 1979-10-31
JPS5224970A (en) 1977-02-24
CA1046308A (en) 1979-01-16
FR2321340A1 (en) 1977-03-18
JPS563124B2 (en) 1981-01-23
RO71124A (en) 1981-11-04
SU1022652A3 (en) 1983-06-07
FR2321340B1 (en) 1979-01-12
DE2637542A1 (en) 1977-02-24

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