ATE514818T1 - Verfahren zur verbesserung der dauerfestigkeit der schweisszonen eines auslegers einer baumaschine. - Google Patents

Verfahren zur verbesserung der dauerfestigkeit der schweisszonen eines auslegers einer baumaschine.

Info

Publication number
ATE514818T1
ATE514818T1 AT05766177T AT05766177T ATE514818T1 AT E514818 T1 ATE514818 T1 AT E514818T1 AT 05766177 T AT05766177 T AT 05766177T AT 05766177 T AT05766177 T AT 05766177T AT E514818 T1 ATE514818 T1 AT E514818T1
Authority
AT
Austria
Prior art keywords
boom
construction machine
arm member
fatigue strength
improving
Prior art date
Application number
AT05766177T
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
Application granted granted Critical
Publication of ATE514818T1 publication Critical patent/ATE514818T1/de

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)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Shovels (AREA)
  • Body Structure For Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)
AT05766177T 2004-07-15 2005-07-14 Verfahren zur verbesserung der dauerfestigkeit der schweisszonen eines auslegers einer baumaschine. ATE514818T1 (de)

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
ATE514818T1 true ATE514818T1 (de) 2011-07-15

Family

ID=35784062

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05766177T ATE514818T1 (de) 2004-07-15 2005-07-14 Verfahren zur verbesserung der dauerfestigkeit der schweisszonen eines auslegers einer baumaschine.

Country Status (10)

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

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JP5364981B2 (ja) * 2007-05-25 2013-12-11 新日鐵住金株式会社 疲労耐久性に優れた船舶および船舶の疲労耐久性向上方法
JP5577015B2 (ja) * 2007-09-05 2014-08-20 株式会社小松製作所 作業機ブーム
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CN103547739B (zh) * 2011-05-19 2016-06-08 日立建机株式会社 工程机械用悬臂
JP5562903B2 (ja) * 2011-05-19 2014-07-30 日立建機株式会社 建設機械用アーム
JP5595974B2 (ja) * 2011-05-19 2014-09-24 日立建機株式会社 建設機械用アーム
US9290363B2 (en) 2011-07-21 2016-03-22 Manitowoc Crane Companies, Llc Tailor welded panel beam for construction machine and method of manufacturing
US8991029B2 (en) * 2011-09-26 2015-03-31 Caterpillar Inc. Beam structure
US9187875B2 (en) * 2012-02-16 2015-11-17 Hitachi Construction Machinery Co., Ltd. Arm for construction machine
US20140079523A1 (en) * 2012-09-14 2014-03-20 Caterpillar Inc. Joint interface for laminate structures
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JP6268050B2 (ja) * 2014-06-26 2018-01-24 株式会社神戸製鋼所 板材及びこれを備えた筒状構造物並びに筒状構造物の製造方法
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DE102019107456A1 (de) * 2019-03-22 2020-09-24 Schwing Gmbh Knickmast mit Mastsegmenten und Verfahren zur Herstellung eines Mastsegmentes

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Also Published As

Publication number Publication date
CN1985052A (zh) 2007-06-20
AU2005260818A1 (en) 2006-01-19
JP4695355B2 (ja) 2011-06-08
EP1775391A1 (de) 2007-04-18
MX2007000054A (es) 2007-03-28
CA2573225A1 (en) 2006-01-19
AU2005260818B2 (en) 2009-04-23
US20080292443A1 (en) 2008-11-27
JP2006026682A (ja) 2006-02-02
CA2573225C (en) 2009-12-15
EP1775391A4 (de) 2009-04-22
EP1775391B1 (de) 2011-06-29
US8146794B2 (en) 2012-04-03
WO2006006738A1 (ja) 2006-01-19
ES2365736T3 (es) 2011-10-10

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