A Method for Detecting the Position Degree of a Plane Profile
A detection method and technology of plane profile, applied in the direction of measuring device, mechanical measuring device, using mechanical device, etc., can solve the problems of long manufacturing cycle, low reliability, low efficiency, etc., and achieve long service life, good versatility, Easy-to-use effects
Active Publication Date: 2020-03-20
GUANGXI YUCHAI MASCH CO LTD
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Problems solved by technology
At present, for the measurement of the shape and position of the exhaust pipe nozzle, the platform marking and R gauge comparison method are usually used for inspection (because of the opacity, projection method cannot be used for detection, and general equipment such as three coordinates cannot be used for detection) Such a detection method is more difficult to evaluate for special-shaped holes, with low efficiency and low reliability
However, using the sample method for comparison and inspection, the manufacturing cycle is long, the cost is high, and it is not conducive to quality control
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[0017] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.
[0018] The specific embodiment of the present invention is like this: as figure 1 As shown, a method for detecting the position degree of a plane profile, the detection method includes: first, use a three-dimensional modeling software to make a standard model of the product to be tested, and generate two-dimensional images of multiple viewing angles; then, scale the two-dimensional images to The 2D drawing 1 is obtained by 1:1 printing, and the 2D drawing 1 is transparentized by using the engine oil immersion process; finally, the transparent 2D drawing 1 is attached to the corresponding detection plane on the product under test, so that the product under test The machined hole on the surface is used as the reference b...
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The invention discloses a method for detecting the location degree of a plane contour, and the method comprises the steps: making a standard model of a tested product through three-dimensional modeling software, and generating a two-dimensional map of a plurality of visual angles; printing the two-dimensional map according to a proportion of 1: 1 to obtain a two-dimensional drawing, and carrying out the transparent processing of the two-dimensional drawing through the engine oil soaking technology; pasting the transparent two-dimensional drawing with the corresponding detection plane of the tested product, taking a machining hole on the tested product as a reference basis, comparing the real edge of tested product with the lines on the two-dimensional drawing, and measuring the errors. Themethod provided by the invention can judge the location degree of the plane contour of the part quickly, simply and conveniently. The method is good in universality, and can achieve the repeated detection through employing the transparent two-dimensional drawing, and is long in service life. Moreover, the two-dimensional drawing is soaked automatically, thereby saving time and labor. The method is simple in manufacturing, is convenient for application, and can achieve the segmented making for a large area for the simultaneous use.
Description
technical field [0001] The invention relates to the field of detection of engine parts, more specifically, it relates to a detection method of a plane profile position. Background technique [0002] At present, for the measurement of the shape and position of the exhaust pipe nozzle, the platform marking and R gauge comparison method are usually used for inspection (because of the opacity, projection method cannot be used for detection, and general equipment such as three coordinates cannot be used for detection) Or use the template method for comparison and inspection. At present, for the measurement of the shape and position of the exhaust pipe nozzle, the platform marking and R gauge comparison method are usually used for inspection (because of the opacity, projection method cannot be used for detection, and general equipment such as three coordinates cannot be used for detection) Such a detection method is more difficult to evaluate for special-shaped holes, with low ef...
Claims
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IPC IPC(8): G01B5/00G01B5/20D21H23/32D21H25/06D21H19/14
CPCD21H19/14D21H23/32D21H25/06G01B5/003G01B5/20
Inventor 梁振杰
Owner GUANGXI YUCHAI MASCH CO LTD