JPH0247562U - - Google Patents
Info
- Publication number
- JPH0247562U JPH0247562U JP12647288U JP12647288U JPH0247562U JP H0247562 U JPH0247562 U JP H0247562U JP 12647288 U JP12647288 U JP 12647288U JP 12647288 U JP12647288 U JP 12647288U JP H0247562 U JPH0247562 U JP H0247562U
- Authority
- JP
- Japan
- Prior art keywords
- transformation
- amount
- measuring
- steel
- magnetic flux
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000009466 transformation Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims 5
- 230000004907 flux Effects 0.000 claims 3
- 239000000463 material Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measuring Magnetic Variables (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
第１図は本考案の鋼材の変態量測定装置の一実
施例を示す概略図、第２図は本考案の鋼材の変態
量測定装置の他の実施例を示す概略図である。
２…鋼板、４…励磁コイル、６…励磁器、８，
１０…検出コイル、１２…演算器。
FIG. 1 is a schematic diagram showing one embodiment of the apparatus for measuring the amount of transformation of steel according to the present invention, and FIG. 2 is a schematic diagram showing another embodiment of the apparatus for measuring the amount of transformation of steel according to the present invention. 2... Steel plate, 4... Exciting coil, 6... Exciter, 8,
10...Detection coil, 12...Arithmetic unit.
Claims (1)
材の一方の側に複数配置され各々隣接する励磁コ
イルの励磁電流位相が逆相となるように交番磁束
を発生する磁束発生機構と、該磁束発生機構と同
一側の同一面上に配置された複数の第１の検出コ
イルと、該磁束発生機構と反対側に配置された第
２の検出コイルと、該第１、第２の検出コイルか
らの信号から鋼材の変態量を演算する演算器とを
設けたことを特徴とする鋼材の変態量測定装置。 (2) 第１項記載の変態量測定装置の励磁コイル
に流す励磁電流が複数の周波数の励磁電流である
ことを特徴とする鋼材の変態量測定装置。[Scope of Claim for Utility Model Registration] (1) In a device for measuring the amount of transformation of a steel material, an alternating magnetic flux is generated such that the excitation current phases of a plurality of adjacent excitation coils arranged on one side of the steel material are opposite to each other. a plurality of first detection coils disposed on the same side on the same side as the magnetic flux generation mechanism; a second detection coil disposed on the opposite side to the magnetic flux generation mechanism; 1. An apparatus for measuring the amount of transformation of steel, characterized in that it is equipped with a calculator that calculates the amount of transformation of steel from the signal from the second detection coil. (2) An apparatus for measuring the amount of transformation of a steel material, characterized in that the excitation current flowing through the excitation coil of the apparatus for measuring the amount of transformation of steel described in item 1 is an excitation current having a plurality of frequencies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12647288U JPH0247562U (en) | 1988-09-28 | 1988-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12647288U JPH0247562U (en) | 1988-09-28 | 1988-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247562U true JPH0247562U (en) | 1990-03-30 |
Family
ID=31378025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12647288U Pending JPH0247562U (en) | 1988-09-28 | 1988-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009031112A (en) * | 2007-07-26 | 2009-02-12 | Toyota Motor Corp | Device and method for measuring quenching depth |
| JP2012063181A (en) * | 2010-09-14 | 2012-03-29 | Delta Tooling Co Ltd | Hardening state inspection device and hardening state inspection method |
-
1988
- 1988-09-28 JP JP12647288U patent/JPH0247562U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009031112A (en) * | 2007-07-26 | 2009-02-12 | Toyota Motor Corp | Device and method for measuring quenching depth |
| JP2012063181A (en) * | 2010-09-14 | 2012-03-29 | Delta Tooling Co Ltd | Hardening state inspection device and hardening state inspection method |
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