JPS62115133U - - Google Patents

Info

Publication number
JPS62115133U
JPS62115133U JP20444085U JP20444085U JPS62115133U JP S62115133 U JPS62115133 U JP S62115133U JP 20444085 U JP20444085 U JP 20444085U JP 20444085 U JP20444085 U JP 20444085U JP S62115133 U JPS62115133 U JP S62115133U
Authority
JP
Japan
Prior art keywords
rate
change
level setting
detection means
signal
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
JP20444085U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP20444085U priority Critical patent/JPS62115133U/ja
Publication of JPS62115133U publication Critical patent/JPS62115133U/ja
Pending legal-status Critical Current

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  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例の構成を示すブロツク
図、第２図は信号をあらわすグラフ、第３図、第
４図は従来法の説明図である。 １…微分回路、２…コンパレータ回路、３…可
変抵抗器、ａ…荷重信号、ｂ…微分信号、ｃ…レ
ベル設定信号、ｄ…破断検出信号。 FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, FIG. 2 is a graph showing signals, and FIGS. 3 and 4 are explanatory diagrams of a conventional method. DESCRIPTION OF SYMBOLS 1...Differential circuit, 2...Comparator circuit, 3...Variable resistor, a...Load signal, b...Differential signal, c...Level setting signal, d...Breakage detection signal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 材料試験機のロードセル等荷重検出手段から出
力される荷重信号の変化率を検出する変化率検出
手段と、所定レベルの基準信号を出力するレベル
設定手段と、これら変化率検出手段およびレベル
設定手段の出力信号を比較し、変化率検出手段の
出力信号がレベル設定手段の出力信号より大きい
場合に破断検出信号を出力する比較手段とを備え
てなることを特徴とする材料試験機の試料破断検
出装置。 A rate of change detection means for detecting a rate of change in a load signal output from a load detection means such as a load cell of a material testing machine, a level setting means for outputting a reference signal at a predetermined level, and a rate of change detection means and a level setting means for these rate of change detection means and level setting means. A sample fracture detection device for a material testing machine, comprising comparison means for comparing output signals and outputting a fracture detection signal when the output signal of the change rate detection means is larger than the output signal of the level setting means. .
JP20444085U 1985-12-28 1985-12-28 Pending JPS62115133U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20444085U JPS62115133U (en) 1985-12-28 1985-12-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20444085U JPS62115133U (en) 1985-12-28 1985-12-28

Publications (1)

Publication Number Publication Date
JPS62115133U true JPS62115133U (en) 1987-07-22

Family

ID=31170446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20444085U Pending JPS62115133U (en) 1985-12-28 1985-12-28

Country Status (1)

Country Link
JP (1) JPS62115133U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0348132A (en) * 1989-07-15 1991-03-01 Nippon Steel Corp Automatic rankford tester

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5213436A (en) * 1975-07-24 1977-02-01 Toppan Printing Co Ltd Production method for metal mesh plate

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5213436A (en) * 1975-07-24 1977-02-01 Toppan Printing Co Ltd Production method for metal mesh plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0348132A (en) * 1989-07-15 1991-03-01 Nippon Steel Corp Automatic rankford tester

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