JPS55160169A - Manufacture of speed ring - Google Patents

Manufacture of speed ring

Info

Publication number
JPS55160169A
JPS55160169A JP6620979A JP6620979A JPS55160169A JP S55160169 A JPS55160169 A JP S55160169A JP 6620979 A JP6620979 A JP 6620979A JP 6620979 A JP6620979 A JP 6620979A JP S55160169 A JPS55160169 A JP S55160169A
Authority
JP
Japan
Prior art keywords
speed ring
main plate
casing
welding
tip
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
JP6620979A
Other languages
Japanese (ja)
Inventor
Ichiro Hitomi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6620979A priority Critical patent/JPS55160169A/en
Publication of JPS55160169A publication Critical patent/JPS55160169A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Hydraulic Turbines (AREA)

Abstract

PURPOSE: To provide a method of manufacturing a speed ring which can be easily coupled, by tentatively assembling or welding the main plates of a casing and the speed ring to each other and working and shaping a transition part.
CONSTITUTION: The main plate 2 of a speed ring is firstly manufactured into a uniform thickness. The main plate 6 of a casing is tentatively assembled or welded to the tip of that of the speed ring. The tip of the main plate 2 of the speed ring is shaped by gouging, grinding or the like to provide a transition part. Even if the main plate 6 of the casing is manufactured according to a hydraulically-required maximum tolerance δ shown by a dotted line as to a designed value shown by a solid line in the figure, a coupled part of enough strength can be obtained without reducing the efficiency of welding.
COPYRIGHT: (C)1980,JPO&Japio
JP6620979A 1979-05-30 1979-05-30 Manufacture of speed ring Pending JPS55160169A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6620979A JPS55160169A (en) 1979-05-30 1979-05-30 Manufacture of speed ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6620979A JPS55160169A (en) 1979-05-30 1979-05-30 Manufacture of speed ring

Publications (1)

Publication Number Publication Date
JPS55160169A true JPS55160169A (en) 1980-12-12

Family

ID=13309204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6620979A Pending JPS55160169A (en) 1979-05-30 1979-05-30 Manufacture of speed ring

Country Status (1)

Country Link
JP (1) JPS55160169A (en)

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