JPS5561343A - Production of change drum - Google Patents

Production of change drum

Info

Publication number
JPS5561343A
JPS5561343A JP13339178A JP13339178A JPS5561343A JP S5561343 A JPS5561343 A JP S5561343A JP 13339178 A JP13339178 A JP 13339178A JP 13339178 A JP13339178 A JP 13339178A JP S5561343 A JPS5561343 A JP S5561343A
Authority
JP
Japan
Prior art keywords
welding
iron plate
rounding
adjoining
hardening
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
JP13339178A
Other languages
Japanese (ja)
Inventor
Hideo Takimoto
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.)
KOYO SEIKI KK
Original Assignee
KOYO SEIKI KK
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 KOYO SEIKI KK filed Critical KOYO SEIKI KK
Priority to JP13339178A priority Critical patent/JPS5561343A/en
Publication of JPS5561343A publication Critical patent/JPS5561343A/en
Pending legal-status Critical Current

Links

Landscapes

  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

PURPOSE: To save processes and produce excellent products at low cost, by punching a guide groove of desired shape in an iron plate, rounding it in a drum form, welding the contact of the adjoining both ends and cap fitting to the tube opening, and hardening and grinding.
CONSTITUTION: An iron plate 1 of a proper thickness and a guide groove 2 of desired shape are punched simultaneously by one punch by a press or the like. By rounding into a drum form, the contact of the adjoining both ends 3, 4 of the iron plate and cap 5 fitting to the tube opening is welded. This welding is carried out by the plasma arc welding which is capable of welding deeply and concentratively in a narrow area of the work. Then, hardening and grinding are performed.
COPYRIGHT: (C)1980,JPO&Japio
JP13339178A 1978-10-30 1978-10-30 Production of change drum Pending JPS5561343A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13339178A JPS5561343A (en) 1978-10-30 1978-10-30 Production of change drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13339178A JPS5561343A (en) 1978-10-30 1978-10-30 Production of change drum

Publications (1)

Publication Number Publication Date
JPS5561343A true JPS5561343A (en) 1980-05-09

Family

ID=15103638

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13339178A Pending JPS5561343A (en) 1978-10-30 1978-10-30 Production of change drum

Country Status (1)

Country Link
JP (1) JPS5561343A (en)

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