Rapidly detecting method for coaxiality of high-precision revolving body part
A detection method and technology of revolving body, applied in the direction of measuring device, mechanical measuring device, instrument, etc., can solve the problems of inconvenient use, inaccurate detection, inconvenient detection of rotating body parts, etc., and achieve accurate measurement and simple use. Effect
Inactive Publication Date: 2013-05-15
贾维静
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Problems solved by technology
[0002] Because of the different wall thickness of rotary parts, for some parts with thinner wall thickness and larger cylinder diameter, there will be a certain elastic deformation in the free state, which cannot be accurately detected by other general inspection tools. It is detected by the difference in wall thickness with a micrometer, which is inconvenient to use, especially for the detection of ultra-thin-walled rotary parts with large deformation.
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[0009] As shown in the figure, the tester has two beams, one is the fulcrum beam (3) and the gauge fixing beam (6), both of which are horizontally installed on the side panel of the base (1) of the inspection tool, and the two are equipped with balls. The fulcrum (4) of the head is fixed on the fulcrum beam (3) in the same axial direction, the part (2) to be tested is placed on the two fulcrum points (4) on the fulcrum beam (3), and the workpiece is placed on the axial fulcrum (5 ) under the support of the part to be detected (2) to prevent axial movement, adjust the range of the gauge (7) and gauge (8), so that the range is reasonable, then rotate the part to be detected (2), the gauge (7) ) and the swing scale of the gauge (8) pointer is the jumping error. Such detection is highly accurate and convenient.
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The invention relates to a rapidly detecting method for coaxiality of a high-precision revolving body part. As shown in the picture, a detector comprises two beams which are a supporting point beam (3) and a scale fixing beam (6). The two beams are both transversely installed on a side panel on a base (1) of the detector, two supporting points (4) with ball heads are fixed on the supporting point beam (3) of the same axial direction, the part to be detected (2) is placed on the two supporting points (4) on the supporting point beam (3), a workpiece supported by axial supporting points (5) prevents the part to be detected (2) from moving in the axial direction, measuring ranges of a scale (7) and a scale (8) are adjusted, so that the measuring ranges are reasonable, then the part to be detected (2) is rotated, and dangling scales of pointers of the scale (7) and the scale (8) are differential values of the coaxiality. The detecting method is higher in accuracy and convenient and rapid.
Description
Technical field [0001] The invention relates to a runout detection device for revolving parts, in particular to the rapid detection of coaxiality of revolving parts with thin wall thickness. Background technique [0002] Because of the different wall thickness of rotary parts, for some parts with thinner wall thickness and larger cylinder diameter, there will be a certain elastic deformation in the free state, which cannot be accurately detected by other general inspection tools. It is detected by the difference of wall thickness with a micrometer, which is inconvenient to use, especially for the detection of ultra-thin-wall rotary parts with large deformation. Contents of the invention [0003] The invention provides a runout detection device for rotary parts, which is easy to use and accurate in reading. [0004] The technical solution adopted by the present invention to solve the technical problem is: use a general scale to measure, get the inner point and outer point ...
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Inventor 贾维静严方
Owner 贾维静