Sample plate for quickly detecting surface defects of part
A defect detection and template technology, applied in measurement devices, mechanical devices, mechanical measurement devices, etc., can solve the problems of inaccurate measurement results, low measurement efficiency, and complex measurement process, and achieve the effect of improving detection efficiency.
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Embodiment 1
[0033] A template for rapid detection of surface defects of parts, such as figure 1 As shown, it includes circular, square, and rectangular defect detection areas, and the dimensional tolerance of the template is 1 / 10-1 / 4 of the tolerance zone required for part defect detection. Several circular, square, and rectangular defect detection areas with gradual changes in size are arranged in turn on the template, and the circular, square, and rectangular defect detection areas respectively include circles with the largest and smallest sizes required for the surface defects to be detected. Shape, square, rectangle.
[0034] The invention solves the problems of complex measurement process, inaccurate measurement results and low measurement efficiency of existing precision optical measurement equipment existing in traditional detection tools for surface defects. It can realize the rapid judgment of whether the surface defect meets the technical requirements of the product, and improv...
Embodiment 2
[0036] This embodiment is optimized on the basis of Embodiment 1, and the design of the circular defect detection area should meet the following conditions:
[0037] The diameter of the S1 circular hole is the same as the maximum and minimum apertures required for surface defects to be detected, and the minimum aperture is Φ min , the maximum aperture is Φ max .
[0038] S2 According to the detection requirements, in Φ min and Φ max Set the detection hole Φ of the remaining diameters 1 , Φ 2 , Φ 3 …
[0039] S3 If there are only two holes with the largest and smallest apertures, in order to facilitate detection and accurately estimate the size range of surface defects, k small holes are inserted between the two holes, and the apertures are:
[0040] Φ 1 =Φ min +(Φ max -Φ min ) / (k+1),
[0041] Φ 2 =Φ min +(Φ max -Φ min ) / (k+1)*2,
[0042] …
[0043] Φ k =Φ min +(Φ max -Φ min ) / (k+1)*k
[0044] The design of the square defect detection area should meet the ...
Embodiment 3
[0058] A template for rapid detection of surface defects of parts, such as Figure 1-Figure 3 As shown, it mainly includes three shapes of defect detection areas: circle, square, and rectangle.
[0059] like figure 2 As shown, the diameter of the circular hole in the circular defect detection area is the same as the maximum and minimum hole diameter required by the surface defect to be detected, where the minimum hole diameter is 0.5mm and the maximum hole diameter is 4mm.
[0060] The component requires only two holes with the largest and smallest apertures in the circular detection area. For the convenience of detection and the accurate estimation of the size range of surface defects, 6 small holes are inserted between the two holes. The apertures are:
[0061] Φ 1 =Φ min +(Φ max -Φ min ) / (k+1)=0.5+(4-0.5) / 7=1,
[0062] Φ 2 =Φ min +(Φ max -Φ min ) / (k+1)*2=0.5+(4-0.5) / 7*2=1.5,
[0063] Φ 3 =Φ min +(Φ max -Φ min ) / (k+1)*3=0.5+(4-0.5) / 7*3=2,
[0064] Φ 4 =Φ m...
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