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Method for assembling ultra-precise hydrostatic guide rail pair

A technology of hydrostatic guide rail and assembly method, which is applied in the direction of assembly machine, measuring device, and measurement of fluid pressure, etc. It can solve the problems of affecting the machining accuracy of workpieces, fluctuations in the movement process of worktables, and low installation efficiency of hydrostatic guide rails, and achieves The effect of improving motion accuracy and improving assembly reliability

Pending Publication Date: 2021-11-19
中国机械总院集团海西(福建)分院有限公司
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Problems solved by technology

[0005] The purpose of the present invention is to provide an assembly method of an ultra-precision hydrostatic guide rail pair to solve the low installation efficiency of the hydrostatic guide rail pair proposed in the above-mentioned background technology and the inability to solve the fluctuation during the moving process of the worktable, which in turn affects the workpiece processing precision problem

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  • Method for assembling ultra-precise hydrostatic guide rail pair
  • Method for assembling ultra-precise hydrostatic guide rail pair
  • Method for assembling ultra-precise hydrostatic guide rail pair

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] Such as Figure 1 As shown, four static pressure guide rail pairs are arranged for the movement of the workbench 3, and each static pressure guide rail pair is composed of three static pressure sliders 2 and the contacting guide rail surface 5. Before assembly, first, manually scrape and grind each guide rail surface 5 and the lateral contact surface 6 of the static pressure slider 2 to meet the corresponding shape accuracy, relative position accuracy and ro...

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Abstract

The invention discloses a method for assembling an ultra-precise hydrostatic guide rail pair, and belongs to the technical field of ultra-precise machine tools. The method comprises the following steps: scraping and grinding various guide rail surfaces and lateral contact surfaces of hydrostatic slide blocks; mounting the hydrostatic slide blocks on a workbench and connecting a related hydraulic pipeline; mounting a workbench provided with the hydrostatic slide blocks on the guide rail surface of a lathe bed, and then mounting a pressing plate; and mounting an oil pressure sensor on each hydrostatic slide block, connecting each oil pressure sensor to a data acquisition converter, introducing hydraulic oil after installation, and observing whether voltage values obtained after conversion of the oil outlet pressure of the hydrostatic slide blocks are consistent or not. According to the method, a pressure signal is converted into a voltage signal, the outlet pressure of the hydrostatic slide block at each point is analyzed, and the related contact surface gaps are adjusted to be uniform, so that the assembly reliability is improved, the problem of fluctuation in the moving process of the workbench due to non-uniform contact surface gaps is solved, and the motion precision of a guide rail system is greatly improved.

Description

technical field [0001] The invention relates to the technical field of ultra-precision machining machine tools, in particular to an assembly method of an ultra-precision static pressure guide rail pair. Background technique [0002] During the processing of ultra-precision machine tools, a guide rail system with high precision and smooth operation is required. The hydrostatic guide rail has the advantages of small wear, high motion precision, long mean time between failures, small driving power, large bearing capacity, high rigidity, good vibration absorption, and stable movement. The use of hydrostatic guide rails can well meet Requirements for guideway systems in ultra-precision machining. [0003] There are extremely high assembly requirements for the installation of the hydrostatic guide rail pair. If there is a slight deviation in the assembly process, the hydrostatic slider cannot be installed accurately, and the guide rail surface will be scratched during installatio...

Claims

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Application Information

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IPC IPC(8): B23P21/00G01L11/00
CPCB23P21/00G01L11/00
Inventor 刘文志姜超陈洪张世煌朱亨锋洪姗姗林慧娴
Owner 中国机械总院集团海西(福建)分院有限公司
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