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MX2007000054A - Miembro de brazo/aguilon para maquina de construccion que tiene alta resistencia a la fatiga de la porcion soldada y metodo para mejorar la resistencia a la fatiga. - Google Patents

Miembro de brazo/aguilon para maquina de construccion que tiene alta resistencia a la fatiga de la porcion soldada y metodo para mejorar la resistencia a la fatiga.

Info

Publication number
MX2007000054A
MX2007000054A MX2007000054A MX2007000054A MX2007000054A MX 2007000054 A MX2007000054 A MX 2007000054A MX 2007000054 A MX2007000054 A MX 2007000054A MX 2007000054 A MX2007000054 A MX 2007000054A MX 2007000054 A MX2007000054 A MX 2007000054A
Authority
MX
Mexico
Prior art keywords
fatigue strength
boom
arm member
construction machine
welded portion
Prior art date
Application number
MX2007000054A
Other languages
English (en)
Inventor
Tetsuro Nose
Kiyotaka Nakashima
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 MX2007000054A publication Critical patent/MX2007000054A/es

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/14—Booms only for booms with cable suspension arrangements; Cable suspensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/275—Tools having at least two similar components
    • B25D2250/285—Tools having three or more similar components, e.g. three motors
    • B25D2250/291—Tools having three or more parallel bits, e.g. needle guns

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Shovels (AREA)
  • Vehicle Body Suspensions (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

Un miembro de aguilon y brazo para una maquina de construccion que tiene alta resistencia a la fatiga de la porcion soldada, y un metodo para incrementarla resistencia a la fatiga. Una parte extrema de una seccion soldada totalmente penetrada del miembro de aguijon/brazo tiene una marca de choque por vibracion. De manera preferible, el esfuerzo en la superficie inferior de la marca de choque es un esfuerzo residual por compresion de no mas de 10 MPa.
MX2007000054A 2004-07-15 2005-07-14 Miembro de brazo/aguilon para maquina de construccion que tiene alta resistencia a la fatiga de la porcion soldada y metodo para mejorar la resistencia a la fatiga. MX2007000054A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004208329A JP4695355B2 (ja) 2004-07-15 2004-07-15 溶接部疲労強度に優れる建設機械のブーム・アーム部材およびその製造方法
PCT/JP2005/013431 WO2006006738A1 (ja) 2004-07-15 2005-07-14 溶接部疲労強度に優れる建設機械のブーム・アーム部材およびその疲労強度向上方法

Publications (1)

Publication Number Publication Date
MX2007000054A true MX2007000054A (es) 2007-03-28

Family

ID=35784062

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2007000054A MX2007000054A (es) 2004-07-15 2005-07-14 Miembro de brazo/aguilon para maquina de construccion que tiene alta resistencia a la fatiga de la porcion soldada y metodo para mejorar la resistencia a la fatiga.

Country Status (10)

Country Link
US (1) US8146794B2 (es)
EP (1) EP1775391B1 (es)
JP (1) JP4695355B2 (es)
CN (1) CN1985052A (es)
AT (1) ATE514818T1 (es)
AU (1) AU2005260818B2 (es)
CA (1) CA2573225C (es)
ES (1) ES2365736T3 (es)
MX (1) MX2007000054A (es)
WO (1) WO2006006738A1 (es)

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Also Published As

Publication number Publication date
ATE514818T1 (de) 2011-07-15
EP1775391A4 (en) 2009-04-22
US20080292443A1 (en) 2008-11-27
AU2005260818A1 (en) 2006-01-19
EP1775391A1 (en) 2007-04-18
WO2006006738A1 (ja) 2006-01-19
US8146794B2 (en) 2012-04-03
AU2005260818B2 (en) 2009-04-23
EP1775391B1 (en) 2011-06-29
CA2573225C (en) 2009-12-15
CN1985052A (zh) 2007-06-20
ES2365736T3 (es) 2011-10-10
CA2573225A1 (en) 2006-01-19
JP4695355B2 (ja) 2011-06-08
JP2006026682A (ja) 2006-02-02

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