JPS544631A - Method of rolling billet into stepped shaft - Google Patents

Method of rolling billet into stepped shaft

Info

Publication number
JPS544631A
JPS544631A JP6968477A JP6968477A JPS544631A JP S544631 A JPS544631 A JP S544631A JP 6968477 A JP6968477 A JP 6968477A JP 6968477 A JP6968477 A JP 6968477A JP S544631 A JPS544631 A JP S544631A
Authority
JP
Japan
Prior art keywords
stepped shaft
rolling billet
billet
shaft
rolling
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.)
Pending
Application number
JP6968477A
Other languages
Japanese (ja)
Inventor
Masaru Nishiguchi
Kazumaro Morizaki
Katsuyuki Samejima
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP6968477A priority Critical patent/JPS544631A/en
Publication of JPS544631A publication Critical patent/JPS544631A/en
Pending legal-status Critical Current

Links

Landscapes

  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

PURPOSE: To roll a billet smoothly into a stepped shaft by a reducing roll without forming wrinkles, scars or distortion on a tapered portion of the shaft.
COPYRIGHT: (C)1979,JPO&Japio
JP6968477A 1977-06-13 1977-06-13 Method of rolling billet into stepped shaft Pending JPS544631A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6968477A JPS544631A (en) 1977-06-13 1977-06-13 Method of rolling billet into stepped shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6968477A JPS544631A (en) 1977-06-13 1977-06-13 Method of rolling billet into stepped shaft

Publications (1)

Publication Number Publication Date
JPS544631A true JPS544631A (en) 1979-01-13

Family

ID=13409930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6968477A Pending JPS544631A (en) 1977-06-13 1977-06-13 Method of rolling billet into stepped shaft

Country Status (1)

Country Link
JP (1) JPS544631A (en)

Similar Documents

Publication Publication Date Title
JPS5239880A (en) Method for punching a double steel tape continuously
JPS544631A (en) Method of rolling billet into stepped shaft
JPS5437059A (en) Method of producting internally wrought pipe
JPS546855A (en) Ring rolling mill
JPS536221A (en) Production of pc steel wire or rod
JPS544275A (en) Roll forming apparatus for disk type parts
JPS53132432A (en) Method and apparatus for descaling control
JPS53146958A (en) Rolling method of steel material at high area reduction
JPS546856A (en) Ring rolling mill
JPS544276A (en) Roll forming apparatus for disk type parts
JPS53108862A (en) Controlling method for plate crown of strip or the like
JPS53113746A (en) Setting method for roll gap of rolling mill
JPS51141133A (en) Forming method of track roller
JPS5437058A (en) Method of producting metal pipe with plurality of grooves and projections
JPS53130260A (en) Controlling method for shape of rolled metal
JPS5413446A (en) Controlling method for sheet crown in rolling mill
JPS53144450A (en) Method of and apparatus for controlling timing of rolling mill
JPS53108856A (en) Controlling method for sahape and plate crown in rolling mill
JPS53117151A (en) Rolling mill roller bearing
JPS53108863A (en) Controlling method for plate crown of strip or the like
JPS5363688A (en) Billet cutting apparatus
JPS5438248A (en) Preparation of roller
JPS548146A (en) Rolling mill
JPS5424243A (en) Method and apparatus for cold pressure welding
JPS53113248A (en) Apparatus for changing rolls of rolling mill