An experimental device for controlling the basic accuracy of machine tools

An experimental device and basic technology, which can be applied in basic structure testing, basic structure engineering, construction, etc., can solve problems such as the influence of machine tool machining accuracy, uneven foundation settlement, etc., and achieve high force and torque, large bearing capacity, and use The effect of lifetime simplification

Active Publication Date: 2018-10-09
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, one of the main problems currently existing in domestic heavy-duty machine tools is that the uneven settlement of the foundation has an impact on the machining accuracy of the machine tool

Method used

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  • An experimental device for controlling the basic accuracy of machine tools
  • An experimental device for controlling the basic accuracy of machine tools
  • An experimental device for controlling the basic accuracy of machine tools

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Experimental program
Comparison scheme
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Embodiment Construction

[0035] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0036] Such as Figure 1-Figure 11 Shown is the experimental device for controlling the basic accuracy of machine tools, which includes a container 1, a large-diameter cylinder 2, a small-diameter cylinder 3, an oil tank 4, a hydraulic pump 5, an oil delivery pipe 6, a control valve 7, a leak-proof ring 8, and a fixed ring 9. The pressure sensors A10 and 11 are the pressure sensor B11. An experimental device capable of regulating the basic accuracy of a machine tool, including a container, a large-diameter cylinder, a small-diameter cylinder, an oil tank, a hydraulic pump, a control valve, an oil pipeline, an anti-leakage ring, a fixed ring, a pressure sensor A, and a pressure sensor B. The container is fixed on the foundation and filled with hydraulic oil inside; the large-diameter cylinder is a hollow entity, which is placed at the opening of the upper surface of ...

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Abstract

The invention discloses an experimental device for adjusting machine tool foundation precision. A container is fixed on a foundation, and is fully filled with hydraulic coil; a large-diameter cylinder is a hollow solid, and is positioned in an upper surface opening of the container fully filled with the hydraulic coil; a small-diameter cylinder is positioned in the hollow of the large-diameter cylinder, is smoothly contacted with the large-diameter cylinder, and can slide up and down under pressure of the hydraulic oil; a pressure sensor A is bonded on the outer side of the large-diameter cylinder by glue; according to the data of the pressure sensor, a hydraulic pump controls the ascending height of the small-diameter cylinder through adjusting the pressure of the hydraulic oil container by a control valve; an anti-leaking ring can prevent leakage of the hydraulic oil to guarantee tightness of the container; a fixed ring is used for fixing the large cylinder to guarantee a up-down reciprocating motion of the large cylinder; and a pressure sensor B is used for detecting the pressure change of the hydraulic oil container, and can adjust the oil pressure of the container according to the pressure change, so that the ascending height of the small-diameter cylinder is adjusted, the stability of the machine tool foundation precision is guaranteed, and the experimental accuracy is improved.

Description

technical field [0001] The invention is an experimental device for controlling the foundation precision of a machine tool, which relates to the fields of heavy machine tool manufacturing and foundation research. Background technique [0002] In recent years, with the implementation of a number of key special programs by the State Council, the government has continued to increase investment in key projects such as aerospace, nuclear power and wind power, railway locomotives, ships, and transportation. The key components of engineering equipment are all large-scale, heavy-tonnage, and high-precision workpieces. To undertake the processing of such typical components, it is necessary to develop high-level large-scale, heavy-duty, and super-heavy CNC machine tools. As the requirements for machining accuracy of machine tools are getting higher and higher, it is very important to establish an accurate machining accuracy model, especially for heavy-duty machine tools, which have lar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D33/00E02D27/44
CPCE02D27/44E02D33/00
Inventor 杨聪彬程江丽张爱平刘志峰田杨
Owner BEIJING UNIV OF TECH
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