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Pulsed eddy current detection device for thickness of stainless steel band

A technology of stainless steel strip and pulsed eddy current, applied in measuring device, electromagnetic measuring device, electromagnetic/magnetic thickness measurement, etc., can solve the problems of limiting precision manufacturing and deep processing of stainless steel strip, damaging the surface quality of stainless steel strip, and error of thickness detection accuracy, etc. Achieve wide practicability, clear use, and reduce errors

Inactive Publication Date: 2022-01-11
XUZHOU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many researches on stainless steel strip thickness detection technology at home and abroad, but it is still difficult to achieve high-precision quantitative detection. Most of the existing research uses offline detection and manual detection, which brings large errors to the thickness detection accuracy and reduces production efficiency. In severe cases, it will damage the surface quality of the stainless steel strip, reduce the yield rate, and limit the precision manufacturing and deep processing of the stainless steel strip

Method used

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  • Pulsed eddy current detection device for thickness of stainless steel band
  • Pulsed eddy current detection device for thickness of stainless steel band
  • Pulsed eddy current detection device for thickness of stainless steel band

Examples

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Effect test

Embodiment 1

[0031] Embodiment one, as figure 1 , 2, 3, 5, 6, 7, 8 and 9, a pulsed eddy current detection device for the thickness of a stainless steel strip of the present invention includes a pulse generator, a power amplifier, a signal conditioning circuit, a data acquisition card and a computer. The eddy current detection part; also includes a pulsed eddy current detection device composed of a rolling column support plate 7, an adjustment knob 8, a rolling column 9 and a probe fixture; the rolling column 9 is four, arranged in pairs at horizontal intervals, and the The above-mentioned rolling column support plates 7 are two pieces, which are symmetrically arranged and set on both sides of the four rolling columns 9, and the described adjustment knobs 8 are arranged on the two ends of the four rolling columns 9 to play a role in fixing and Adjustment function; the rolling column support plate 7 is a multi-slotted rolling column support plate for installing multiple groups of rolling co...

Embodiment 2

[0033] Embodiment two, such as Figure 4 , 6 , Shown in 10, 12, 13 and 14, are basically the same as Embodiment 1, and the same parts are omitted. The difference is that the probe fixture includes a probe adjustment slider 1, a rolling disc 3, a roller bracket 4, a telescopic rod 10, an upper support rod 11-1 of the probe fixture, a lower support rod 11-2 of the probe fixture, and a probe Support rod 13-1, probe connecting rod 13-2, probe clamp adjustment slide rail 14 and probe 15; Installed on the support side plate 5, there are support rollers 19 in contact with the probe fixture between the rolling columns 9, and the two ends of the support rollers 19 are respectively fixed on the upper support side plate 5 via bearings 17, and the support side plate 5 Fixed on the rolling column support plate 7, the bearing tray 6 is arranged below the bearing 17, and the inner side of the supporting side plate 5 is a trapezoidal plate and is provided with positioning holes of different...

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Abstract

The invention discloses a pulsed eddy current detection device for the thickness of a stainless steel band, and belongs to the technical field of electromagnetic nondestructive detection. The pulsed eddy current detection device comprises a rolling column supporting plate, an adjusting knob, a rolling column and a probe clamp; wherein the probe clamp comprises a probe adjusting slide block, a rolling wafer, a roller bracket, a telescopic rod, a probe clamp upper supporting rod, a probe clamp lower supporting rod, a probe supporting rod, a probe connecting rod, a probe clamp adjusting slide rail and a probe; the pulsed eddy current detection part comprises a signal generator, a power amplifier, a signal conditioning circuit, a data acquisition card and a computer. The device can realize accurate measurement of the thickness of the stainless steel band, can realize on-line real-time detection and detection position adjustment, is clear in application, high in practicability and high in efficiency, ensures control of the thickness of the stainless steel band in the production process of an enterprise, and avoids scratching the surface of the stainless steel band.

Description

technical field [0001] The invention relates to a pulsed eddy current detection device and method, in particular to a pulsed eddy current detection device and method suitable for stainless steel strips in the stainless steel industry. Background technique [0002] Stainless steel strip is a special basic material widely used in the manufacture of precision instruments and equipment, and its thickness is generally accurate to 10 microns. During the processing of stainless steel strip, it is very difficult to control its dimensional accuracy, and it is difficult to detect the online thickness in real time. At present, there are many researches on stainless steel strip thickness detection technology at home and abroad, but it is still difficult to achieve high-precision quantitative detection. Most of the existing research uses offline detection and manual detection, which brings large errors to the thickness detection accuracy and reduces production efficiency. In severe case...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/06
CPCG01B7/10
Inventor 闻东东孟鹏鹏孙晓宇徐嘉豪甘冲徐昊王树臣张建化杜雨馨乔淑云张晓辉邹庆晓
Owner XUZHOU UNIV OF TECH
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