JPS639615B2 - - Google Patents

Info

Publication number
JPS639615B2
JPS639615B2 JP55130729A JP13072980A JPS639615B2 JP S639615 B2 JPS639615 B2 JP S639615B2 JP 55130729 A JP55130729 A JP 55130729A JP 13072980 A JP13072980 A JP 13072980A JP S639615 B2 JPS639615 B2 JP S639615B2
Authority
JP
Japan
Prior art keywords
valve
pilot
pressure
hydraulic
main
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.)
Expired
Application number
JP55130729A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5756734A (en
Inventor
Koji Fujiwara
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 JP55130729A priority Critical patent/JPS5756734A/ja
Publication of JPS5756734A publication Critical patent/JPS5756734A/ja
Publication of JPS639615B2 publication Critical patent/JPS639615B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/0042—Pneumatic or hydraulic means
    • G01N2203/0048—Hydraulic means

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Servomotors (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
JP55130729A 1980-09-22 1980-09-22 Start controller for tester Granted JPS5756734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55130729A JPS5756734A (en) 1980-09-22 1980-09-22 Start controller for tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55130729A JPS5756734A (en) 1980-09-22 1980-09-22 Start controller for tester

Publications (2)

Publication Number Publication Date
JPS5756734A JPS5756734A (en) 1982-04-05
JPS639615B2 true JPS639615B2 (enrdf_load_stackoverflow) 1988-03-01

Family

ID=15041229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55130729A Granted JPS5756734A (en) 1980-09-22 1980-09-22 Start controller for tester

Country Status (1)

Country Link
JP (1) JPS5756734A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07117086B2 (ja) * 1992-05-01 1995-12-18 株式会社東邦製作所 電空ポジショナー用アクチエーター
JP6015440B2 (ja) * 2012-12-28 2016-10-26 株式会社島津製作所 材料試験機
CN103267620B (zh) * 2013-05-08 2015-06-10 西北工业大学 一种用于阀门功能特性试验的试验装置
CN106593970B (zh) * 2016-12-09 2018-05-11 柳州职业技术学院 一种刚性材料疲劳试验液压加载装置
CN110594228B (zh) * 2019-10-09 2024-06-07 山东泰丰智能控制股份有限公司 一种自动缓冲切换的振动台液压系统

Also Published As

Publication number Publication date
JPS5756734A (en) 1982-04-05

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