JP6794936B2 - 衝撃試験の評価方法および衝撃試験機 - Google Patents
衝撃試験の評価方法および衝撃試験機 Download PDFInfo
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- JP6794936B2 JP6794936B2 JP2017118516A JP2017118516A JP6794936B2 JP 6794936 B2 JP6794936 B2 JP 6794936B2 JP 2017118516 A JP2017118516 A JP 2017118516A JP 2017118516 A JP2017118516 A JP 2017118516A JP 6794936 B2 JP6794936 B2 JP 6794936B2
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- 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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
- G01N29/42—Detecting the response signal, e.g. electronic circuits specially adapted therefor by frequency filtering or by tuning to resonant frequency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
-
- 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
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/066—Special adaptations of indicating or recording means with electrical indicating or recording means
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- 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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
-
- 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
- G01N3/62—Manufacturing, calibrating, or repairing devices used in investigations covered by the preceding subgroups
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- 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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- 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
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- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/0202—Control of the test
- G01N2203/021—Treatment of the signal; Calibration
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0688—Time or frequency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/014—Resonance or resonant frequency
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Acoustics & Sound (AREA)
- Manufacturing & Machinery (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
なお、式(1)において、Δfは周波数分解能、Tは時間窓長、Fsはサンプリング周波数、Nはサンプリング点数である。
11 テーブル
12 支柱
13 クロスヨーク
21 上つかみ具
22 下つかみ具
25 助走治具
26 ジョイント
27 ロードセル
31 油圧シリンダ
32 シリンダロッド
33 ストロークセンサ
34 サーボバルブ
40 制御装置
41 本体制御装置
42 パーソナルコンピュータ
43 メモリ
44 試験制御部
45 演算装置
46 通信部
51 メモリ
52 データ抽出部
53 解析部
55 演算装置
56 通信部
57 記憶装置
58 表示装置
59 入力装置
TP 試験片
Claims (3)
- 試験片に急速に衝撃を与える衝撃試験の評価方法であって、
衝撃試験の実行により力検出器が検出した時系列データから、試験機の固有振動数を求めるためのデータ区間を抽出するデータ抽出工程と、
前記データ抽出工程において抽出したデータに対して周波数スペクトル解析を実行する解析工程と、
を含む衝撃試験の評価方法。 - 請求項1に記載の衝撃試験の評価方法において、
前記データ抽出工程は、前記試験片から試験力が除かれる前後で前記時系列データを分離し、前記試験片から試験力が除かれた後のデータを、前記試験機の固有振動数を求めるためのデータ区間とする衝撃試験の評価方法。 - 試験片に急速に衝撃を与える衝撃試験機であって、
前記試験片に試験力を与える負荷機構と、
前記試験片に与えられた試験力を検出する力検出器と、
前記力検出器が検出した時系列データを記憶する記憶部を備えた制御装置と、
を備え、
前記制御装置は、
前記記憶部に記憶された時系列データから、試験機の固有振動数を求めるためのデータ区間を抽出するデータ抽出部と、
前記抽出部において抽出したデータに対して、周波数スペクトル解析を実行する解析部と、
を備えることを特徴とする衝撃試験機。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017118516A JP6794936B2 (ja) | 2017-06-16 | 2017-06-16 | 衝撃試験の評価方法および衝撃試験機 |
EP18177789.7A EP3415893A1 (en) | 2017-06-16 | 2018-06-14 | Evaluation method of impact test and impact tester |
US16/009,219 US20180364140A1 (en) | 2017-06-16 | 2018-06-15 | Evaluation method of impact test and impact tester |
CN201810617935.2A CN109142101A (zh) | 2017-06-16 | 2018-06-15 | 冲击试验的评估方法及冲击试验机 |
Applications Claiming Priority (1)
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JP2017118516A JP6794936B2 (ja) | 2017-06-16 | 2017-06-16 | 衝撃試験の評価方法および衝撃試験機 |
Publications (2)
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JP2019002827A JP2019002827A (ja) | 2019-01-10 |
JP6794936B2 true JP6794936B2 (ja) | 2020-12-02 |
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Country Status (4)
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US (1) | US20180364140A1 (ja) |
EP (1) | EP3415893A1 (ja) |
JP (1) | JP6794936B2 (ja) |
CN (1) | CN109142101A (ja) |
Families Citing this family (4)
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JP7135932B2 (ja) * | 2019-02-26 | 2022-09-13 | 株式会社島津製作所 | 引張試験機、及び引張試験機の制御方法 |
CN112098254B (zh) * | 2020-09-27 | 2023-04-07 | 河南工业职业技术学院 | 一种冲击试验的控制系统 |
CN113343388B (zh) * | 2021-06-22 | 2022-07-08 | 安徽容知日新科技股份有限公司 | 一种获取稳态振动数据的方法及计算设备 |
DE102022115919A1 (de) * | 2022-06-27 | 2023-12-28 | 4A Engineering Gmbh | Materialprüfungsvorrichtung zur Materialprüfung einer Probe |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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GB118175A (en) * | 1917-09-22 | 1918-08-22 | Avery Ltd W & T | Improvements in Impact Testing Machines. |
JPH08105868A (ja) * | 1994-10-06 | 1996-04-23 | Iwatsu Electric Co Ltd | 材料定数測定方法および装置 |
EP1070961A1 (en) * | 1999-07-19 | 2001-01-24 | BRITISH TELECOMMUNICATIONS public limited company | Test apparatus |
DE10214756B4 (de) * | 2002-04-03 | 2011-06-16 | Mettler-Toledo Ag | Verfahren und Vorrichtung zum Durchführen von dynamisch-mechanischen Analysen |
JP2004333143A (ja) * | 2003-04-30 | 2004-11-25 | Shimadzu Corp | 衝撃試験機およびその設置構造 |
JP4062163B2 (ja) * | 2003-05-02 | 2008-03-19 | 株式会社島津製作所 | 衝撃引張試験機用スパナ |
JP4033119B2 (ja) * | 2003-12-10 | 2008-01-16 | 株式会社島津製作所 | 材料の試験方法、材料試験機 |
CN2842407Y (zh) * | 2005-09-27 | 2006-11-29 | 中国矿业大学 | 冲击与摩擦磨损试验机 |
EP2120034A1 (en) * | 2008-05-16 | 2009-11-18 | Vrije Universiteit Brussel | Method and apparatus for providing an optimal test panel for the non-destructive measurement of elastic properties of structural materials |
JP2012017998A (ja) * | 2010-07-06 | 2012-01-26 | Shin Etsu Chem Co Ltd | 多結晶シリコン棒および多結晶シリコン棒の検査方法ならびに多結晶シリコン棒の製造方法 |
JP5527696B2 (ja) * | 2010-09-27 | 2014-06-18 | 地方独立行政法人大阪府立産業技術総合研究所 | 衝撃強さ評価装置、方法およびプログラム |
KR101212646B1 (ko) * | 2011-05-09 | 2012-12-14 | 세종대학교산학협력단 | 에너지 프레임을 이용한 충격 시험 장치 |
US9851332B2 (en) * | 2014-09-19 | 2017-12-26 | King Fahd University Of Petroleum And Minerals | Process for determining weld quality using flexural characteristics |
CN104483216A (zh) * | 2014-12-31 | 2015-04-01 | 华侨大学 | 一种基于超声振动的微观尺度材料冲击疲劳测试设备 |
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2017
- 2017-06-16 JP JP2017118516A patent/JP6794936B2/ja active Active
-
2018
- 2018-06-14 EP EP18177789.7A patent/EP3415893A1/en not_active Withdrawn
- 2018-06-15 CN CN201810617935.2A patent/CN109142101A/zh not_active Withdrawn
- 2018-06-15 US US16/009,219 patent/US20180364140A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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JP2019002827A (ja) | 2019-01-10 |
CN109142101A (zh) | 2019-01-04 |
EP3415893A1 (en) | 2018-12-19 |
US20180364140A1 (en) | 2018-12-20 |
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