Method for detecting inner spherical radius value online
A technology of inner spherical surface and radius, which is applied in the field of online detection and measurement of inner spherical surface radius value, to achieve the effect of highlighting detection ability, simple structure, and convenient use on site
Pending Publication Date: 2019-05-07
CHENGDU KAITIAN ELECTRONICS
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Problems solved by technology
It cannot be imagined that a skilled worker uses a centimeter caliper to measure the diameter and inner cavity size of a casting from the very beginning.
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[0016] refer to figure 1 , figure 2 . In the embodiment described below, a device for online detection of the inner spherical radius value includes: a detection board 1 made of at least two outer circle sizes, the maximum depth and the minimum depth, with an end arc, characterized in that: The detection plate 1 is connected with a detection rod 2 that passes through the cylinder of the detection cylinder 7 to measure the depth of the spherical surface of the workpiece under test, a measuring base 4 that is movably assembled on the cylinder of the detection cylinder 7, and a dial indicator inserted into the detection cylinder 7 9. The detection rod 2 is connected to the end arc detection plate 1 through the limit nut 3 assembled at the outlet end of the detection cylinder 7, and the dial indicator 9 inserted into the cylinder hole of the detection cylinder 7 is in axial contact with the detection rod 2 with the compression spring 6, Thus, a device for online detection of the...
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The invention discloses a method for detecting the inner spherical radius value online. The provided method for detecting the actual value of the inner spherical radius has the advantages of simple structure and convenient use in the field. According to the technical scheme provided by the invention, at least two end-arced detection plates (1) of different depth, a measuring base (4) which is movably mounted on the cylinder body of a detection cylinder (7), and a dial gauge (9) inserted into the detection cylinder (7) are prepared; a detection rod (2) connected with the detection plates (1) contacts the contact of the dial gauge (9) inserted into the detection cylinder (7) through a limit nut (3) assembled on the outlet end of the detection cylinder (7) and a set compression spring (6);the measuring base (4) is moved to the port of the measured inner spherical radius or a parallel port associated therewith, and the inner spherical radius value is detected online; and according to R=the root of 4h<2>L<2>+(L<2>-P<2>-h<2>)<2> / 2h, the inner spherical radius is acquired. According to the invention, the defect that an ordinary measuring tool cannot directly carry out measuring withoutthree-coordinate detection conditions is solved.
Description
technical field [0001] The invention relates to a method and a detection device for on-line detection and measurement of the radius value of an inner spherical surface used in a processing site. Background technique [0002] In the machinery manufacturing industry, it is common to encounter some workpieces with inner spherical surfaces and spherical crown radius arc surfaces. Especially in the processing of various joint parts, the processing of inner spherical surfaces is more likely to occur. The detection of the processing status of the inner spherical surface radius is a quite an important process. There are many ways to machine the spherical surface, the shape is a large number of cuboid surfaces, and some inner spherical surfaces have a small radius. Because the ball radius or arc radius of this kind of parts cannot be directly measured with ordinary measuring tools, samples are often used for testing during processing. Use the template to control the ball, use the l...
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Inventor 吴国斌
Owner CHENGDU KAITIAN ELECTRONICS