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Gas lubrication and friction damping composite high rigidity and high stability two-dimensional adjustment table

A technology with frictional damping and high stability, which is applied in the direction of workbench, manufacturing tools, etc., to achieve the effect of improving the positioning accuracy of adjustment, improving displacement sensitivity, and improving positioning stability and rigidity

Active Publication Date: 2015-10-07
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] The purpose of the present invention is to solve the problems existing in the above-mentioned prior art, and propose a gas lubrication and friction damping composite high-stiffness, high-stability two-dimensional adjustment workbench; by adopting gas lubrication and grating distance measurement, the movement accuracy of the workbench can be improved ; Make up for the poor positioning stability of gas lubrication by means of frictional damping, and improve the stability and rigidity of the workbench

Method used

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  • Gas lubrication and friction damping composite high rigidity and high stability two-dimensional adjustment table
  • Gas lubrication and friction damping composite high rigidity and high stability two-dimensional adjustment table
  • Gas lubrication and friction damping composite high rigidity and high stability two-dimensional adjustment table

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Embodiment Construction

[0039] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0040] A gas lubrication and friction damping composite high-rigidity and high-stability two-dimensional adjustment workbench, including a base 1, an X-direction air-floating slide 2, a Y-direction air-floating slide 3, an X-direction drive system 4, a Y-direction drive system 5, Work surface 6, air duct 7 and external air supply system 8.

[0041] The X-direction air-floating slide 2 is equipped with an air-floating working surface x1, an air-floating working surface x2, an air-floating working surface x3, an air-floating working surface x4, an air-floating working surface x5, a non-air-floating working surface x6 and a non-air-floating working surface x6. The air flotation working surface x7, in which the air flotation working surface x1 and the air flotation working surface x2 are parallel to each other, the air flotation working surface x5 and the ...

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Abstract

The invention discloses a gas lubrication and friction damping composition type high-rigidity and high-stability two-dimensional adjusting workbench and belongs to the technical field of precise instruments and machines. An X-direction gas floatation sliding plate is configured between a base and a Y-direction gas floatation sliding plate; a supporting gas film is formed between a gas flotation working face x5 on the X-direction gas flotation sliding plate and a gas flotation working face y3 on the Y-direction gas floatation sliding plate to support the Y-direction gas flotation sliding plate; a supporting gas film is formed between a gas flotation working face z on the base and gas flotation working faces x3 and x4 on the X-direction gas floatation sliding plate to support the X-direction gas flotation sliding plate; guide rails A and B parallel to each other are fixedly mounted on the gas flotation working face z of the base; guide rails C and D parallel to each other are fixedly mounted on the X-direction gas flotation sliding plate; a friction damping unit E1 is in contact fit with the guide rail A and the guide rail B; a friction damping unit E2 is in contact fit with the guide rail C and the guide rail D. The invention provides a precise plane two-dimensional adjusting device with high rigidity and high positioning stability.

Description

technical field [0001] The invention belongs to the technical field of precision instruments and machinery, and in particular relates to a gas lubrication and friction damping composite high-rigidity and high-stability two-dimensional adjustment workbench. Background technique [0002] In recent years, as the advanced equipment manufacturing industry gradually develops towards precision and ultra-precision, especially the continuous improvement of aero-engine performance, the precision requirements for engine processing and assembly are getting higher and higher, especially in the pursuit of higher thrust-to-weight ratio. , the impact of engine vibration, noise and other factors caused by assembly errors on performance is gradually highlighted. This poses a severe challenge to the performance of the engine test equipment, and thus has higher requirements on the performance of the adjustment and positioning workbench used. [0003] In 2000, the friction-driven workbench deve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25H1/00
CPCB25H1/0007
Inventor 黄景志谭久彬郭腾辉
Owner HARBIN INST OF TECH
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