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Cylindricity measuring method and device for separating reference errors of cylindricity instrument

A technology of reference error and measuring device, applied in the direction of measuring device, mechanical counter/curvature measurement, instrument, etc., can solve the problem of inability to separate vertical guide rail straightness error guide rail and rotation axis parallelism error, etc., to achieve easy automatic execution, measurement Simple steps and the effect of satisfying measurement accuracy

Inactive Publication Date: 2005-07-27
严格集团股份有限公司
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Problems solved by technology

However, this separation method is only used to separate the spatial rotation error of the main shaft of the cylindricity meter, but cannot separate the straight-running error of the vertical guide rail of the cylindricity meter and the parallelism error between the guide rail and the axis of rotation.

Method used

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  • Cylindricity measuring method and device for separating reference errors of cylindricity instrument
  • Cylindricity measuring method and device for separating reference errors of cylindricity instrument
  • Cylindricity measuring method and device for separating reference errors of cylindricity instrument

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Embodiment Construction

[0030] The cylindrical shape measuring method and device which can completely separate the reference error of the cylindricity meter in conjunction with the embodiment and the accompanying drawings are described in detail as follows:

[0031] see Image 6 , Figure 7 , the test piece 3 is installed on the error separation turntable 8, and the error separation turntable 8 is placed on the rotary table 4. During design, the error separation turntable 8 can not only rotate with the rotary table 4, but also drive the test piece 3 to rotate ; The rotary table 4 is installed on the instrument base 5 and connected with the instrument main shaft 9, the instrument main shaft 9 and the bushing 10 form an air-floating rotary shaft system, the design and manufacture should ensure that the rotary table 4 is coaxial with the instrument main shaft 9 ; The sensor 1 and the sensor 2 are installed on the same height of the vertical guide rail system composed of the guide rail air bearing (slid...

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Abstract

A device for measuring cylindricity consists of vertical guide system formed by two transducers, rotating table base, guide airfloat case and vertical guide; as well as turntable for separating error. It is featured as placing the turntable on the rotating table and placing tested piece on the turntable for enabling it to rotate in following with the two separately, placing two transducers in radical symmetry at both sides of the tested piece for having them moved up and down in following with guide airfloat case along vertical guide.

Description

technical field [0001] The invention belongs to the technical field of precision instrument manufacturing and measurement, in particular to a cylindricity measurement method and device capable of separating in real time the spatial rotation error of a spindle, the straight motion error of a guide rail, and the parallelism error between the guide rail and a rotary axis. Background technique [0002] like figure 1 As shown, the space rotation error of the spindle of the cylindricity measuring instrument, the straight line error B of the vertical guide rail, and the parallelism error between the guide rail axis A and the rotation axis C are the three major error sources of the cylindricity measuring instrument error. Due to the limitation of the technical level, the rotation accuracy of the main shaft of the instrument can only reach the manufacturing accuracy of (0.015+0.0003H) μm (wherein H is the section height, the unit is mm), and the straightness of the vertical guide rai...

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Application Information

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IPC IPC(8): G01B5/20G01B21/20
Inventor 谭久彬薛梓赵维谦杨文国金国良
Owner 严格集团股份有限公司
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