Ultra-precision fly-cutting machine tool spindle and guide rail rigidity detection device and method
A technology for machine tool spindles and detection devices, applied in measuring devices, testing of machine/structural components, elastic testing, etc., can solve problems such as the inability to achieve accurate detection of ultra-precision static pressure spindles and guide rail rigidity
Active Publication Date: 2020-04-21
HARBIN INST OF TECH
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Problems solved by technology
[0004] The present invention aims to solve the problem that the existing technology cannot realize the accurate detection of the stiffness of the ultra-precision static pressure spindle and the guide rail, and further provides an ultra-precision fly-cutting machine tool spindle and guide rail rigidity detection device and detection method
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specific Embodiment approach 1
[0040] Specific implementation mode one: combine Figure 1~3 Description of this embodiment, a device for detecting the stiffness of the spindle and guide rail of an ultra-precision fly-cutting machine tool, which includes a first reference plate 1 horizontally fixed on the upper surface of the guide rail 100, and a second reference plate 2 horizontally fixed on the top of the machine tool spindle 101 And the support plate 3 that is horizontally fixed on the bottom end of the machine tool head 102, the force sensor 4, the cylinder 5 and the centering strut 6 are fixed on the first reference plate 1 from bottom to top, and the bottom end of the support plate 3 is set There is a centering hole 3-1, the centering hole 3-1 is coaxially arranged with the main shaft 101, and the top end of the centering rod 6 is matched with the centering hole 3-1, and the top of the first reference plate 1 is arranged with Some guide rail displacement sensors 7, some spindle displacement sensors 8 ...
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The invention discloses an ultra-precision fly-cutting machine tool spindle and guide rail rigidity detection device and an ultra-precision fly-cutting machine tool spindle and guide rail rigidity detection method, which belong to the technical field of machine tool performance detection, and solve problem that the rigidity of an ultra-precision static pressure spindle and the guide rail cannot beprecisely detected in the prior art. The ultra-precision fly-cutting machine tool spindle and guide rail rigidity detection device comprises a first datum plate, wherein a force sensor, an air cylinder and a centering supporting rod are fixedly arranged on the first datum plate in sequence from bottom to top; a centering hole is formed in the bottom end of the supporting plate; the centering holeand a spindle are coaxially arranged; the top end of the centering supporting rod is matched with the centering hole; a plurality of guide rail displacement sensors are arranged above the first datumplate; a plurality of spindle displacement sensors are arranged above a second datum plate; the plurality of guide rail displacement sensors and the plurality of spindle displacement sensors are evenly distributed around the axis of the spindle, the plurality of spindle displacement sensors are connected with a spindle displacement signal collector by means of lead wires, the plurality of guide rail displacement sensors are connected with a guide rail displacement signal collector by means of lead wires, and the force sensor is connected with a force signal collector by means of a lead wire.
Description
technical field [0001] The invention relates to an ultra-precision fly-cutting machine tool spindle and guide rail rigidity detection device and detection method, belonging to the technical field of machine tool performance detection. Background technique [0002] With the rapid development of modern science and technology, especially the rapid advancement of cutting-edge science and technology such as aviation, aerospace, national defense, and military industry, these industries have higher and higher requirements for product stability and performance. The typical example is laser nuclear fusion. The KDP crystal device is widely used in the system. Due to the characteristics of soft, brittle and deliquescent crystals, traditional optical processing methods such as grinding and polishing cannot be used for ultra-precision processing of large-diameter KDP crystals. Currently, single-point diamond flying knife cutting is the The main means to realize the final processing of KD...
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IPC IPC(8): G01M5/00
CPCG01M5/005G01M5/0058
Inventor 张飞虎付鹏强张强安晨辉张龙江
Owner HARBIN INST OF TECH