JPS61190805U - - Google Patents
Info
- Publication number
- JPS61190805U JPS61190805U JP7603485U JP7603485U JPS61190805U JP S61190805 U JPS61190805 U JP S61190805U JP 7603485 U JP7603485 U JP 7603485U JP 7603485 U JP7603485 U JP 7603485U JP S61190805 U JPS61190805 U JP S61190805U
- Authority
- JP
- Japan
- Prior art keywords
- film thickness
- electric
- probe rod
- thickness meter
- detection unit
- 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
- 239000000523 sample Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 3
- 239000011247 coating layer Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
第１図は本考案による電気式膜厚計の原理を示
し、第２図はその特性を示す。第４図は本考案に
よる電気式膜厚計の一例の縦断面概略図であり、
第３図は従来の電気式膜厚計の縦断面概略図であ
り、第５図は第４図の膜厚計の電気回路のブロツ
ク図であり、第６図は第２実施例を示す縦断面図
である。
１……本体、２……プローブ棒、３……スライ
ド棒、４……圧縮コイルばね、５，６……先端部
、７……励磁コイル、８……計測コイル、９……
金属体、１０……皮膜層、１１，１２……内部端
、１３……圧力センサー、１４……圧力信号処理
回路、１５……膜厚信号処理回路、１６……混合
回路、１７……較正回路、１８……信号処理回路
、１９……表示回路、２０……圧力信号設定回路
。
FIG. 1 shows the principle of the electric film thickness meter according to the present invention, and FIG. 2 shows its characteristics. FIG. 4 is a schematic longitudinal cross-sectional view of an example of an electric film thickness meter according to the present invention.
FIG. 3 is a schematic vertical cross-sectional view of a conventional electric film thickness meter, FIG. 5 is a block diagram of the electric circuit of the film thickness meter shown in FIG. 4, and FIG. It is a front view. 1... Main body, 2... Probe rod, 3... Slide rod, 4... Compression coil spring, 5, 6... Tip, 7... Excitation coil, 8... Measurement coil, 9...
Metal body, 10... Film layer, 11, 12... Internal end, 13... Pressure sensor, 14... Pressure signal processing circuit, 15... Film thickness signal processing circuit, 16... Mixing circuit, 17... Calibration Circuit, 18... Signal processing circuit, 19... Display circuit, 20... Pressure signal setting circuit.
Claims (1)
能に設けられて先端部において金属体の表面の測
定すべき皮膜層に押圧されるプローブ棒と、前記
プローブ棒の金属体との距離に応じた電気信号を
発生する電気回路と皮膜厚を表示する表示部とを
有する電気式膜厚計において、前記検出部本体内
に、前記皮膜層に対する前記プローブ棒の押圧力
を検知する圧力センサーを配設したことを特徴と
する電気式膜厚計。 Depending on the distance between the detection unit body, a probe rod that is movable with respect to the detection unit body and whose tip part is pressed against the coating layer to be measured on the surface of the metal body, and the metal body of the probe rod. In an electric film thickness meter having an electric circuit that generates an electric signal and a display section that displays film thickness, a pressure sensor that detects the pressing force of the probe rod against the film layer is disposed within the detection section main body. An electric film thickness meter characterized by the following:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7603485U JPS61190805U (en) | 1985-05-22 | 1985-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7603485U JPS61190805U (en) | 1985-05-22 | 1985-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61190805U true JPS61190805U (en) | 1986-11-27 |
Family
ID=30617801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7603485U Pending JPS61190805U (en) | 1985-05-22 | 1985-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61190805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100381095B1 (en) * | 1998-10-10 | 2003-07-16 | 주식회사 포스코 | Method of measuring thickness of zinc plating by magnetic induction method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5146618A (en) * | 1974-10-21 | 1976-04-21 | Hitachi Ltd | DENSHISEIGYOSHIKINENRYOFUNSHASOCHINO KASOKUHOSEISOCHI |
| JPS5575608A (en) * | 1978-12-02 | 1980-06-07 | Ricoh Co Ltd | Film thickness measuring unit |
-
1985
- 1985-05-22 JP JP7603485U patent/JPS61190805U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5146618A (en) * | 1974-10-21 | 1976-04-21 | Hitachi Ltd | DENSHISEIGYOSHIKINENRYOFUNSHASOCHINO KASOKUHOSEISOCHI |
| JPS5575608A (en) * | 1978-12-02 | 1980-06-07 | Ricoh Co Ltd | Film thickness measuring unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100381095B1 (en) * | 1998-10-10 | 2003-07-16 | 주식회사 포스코 | Method of measuring thickness of zinc plating by magnetic induction method |
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