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Air guide rail

一种导轨、空气的技术，应用在气垫轴承、安装、光学等方向，能够解决成本高、增大导套内侧摩擦力等问题

Inactive Publication Date: 2010-07-07
JIZHUN PRECISION IND HUIZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since this kind of air guide rail uses special materials and needs to cover the guide sleeve evenly with this special material, the cost is high, and the friction force inside the guide sleeve may be increased.

Method used

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Examples

Experimental program
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Embodiment Construction

[0013] The air guide rail 100 of the present invention will be further described in detail below with reference to the drawings and specific embodiments.

[0014] see figure 1 , the air guide rail 100 includes a guide core 10 and a guide sleeve 30 sleeved on the guide core 10 .

[0015] In this embodiment, the guide core 10 is a hollow structure with a square cross section. Therefore, the guide core 10 has the advantages of light weight and convenient manufacture.

[0016] see again figure 2 and image 3 Correspondingly, the guide sleeve 30 is connected to a rectangular parallelepiped by four members 31 with a rectangular cross-section, and the four members 31 are connected to form a square central hole 33, and the guide core 10 is slidably accommodated in each member 31 to form a In the center hole 33 of the The components 31 can be connected by means of screw connection, riveting, welding or gluing. In this embodiment, the components 31 are connected by screws.

[001...

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PUM

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Abstract

The invention relates to an air guide rail, which comprises a guide core and a guide sleeve sheathing the guide core. The guide core can move linearly relative to the guide sleeve. The guide sleeve is provided with an air inlet hole. Air guiding holes communicated with the air inlet hole are distributed in the guide sleeve. The inner side of the guide sleeve is provided with air outlet holes facing the guide core. The air outlet hole is communicated with the air guide hole. The guide sleeve is formed by abutting four rectangular members, wherein the air inlet hole is arranged on one of the members and all members are provided with the air guiding holes and the air outlet holes. The air guiding holes of the members are communicated with each other so as to communicate the air inlet hole and with all the air outlet holes. The inner side surface of each member, which faces the guide core, is also provided with a guide slot. The guide slots are communicated with the air outlet holes. A certain gap exists between the guide core and the guide sleeve. The width of the guide slots is larger than or equal to the thickness of the gap between the guide sleeve and the guide core. Thus, gas first flows along the guide slots and then is diffused to the gap between the guide core and the guide sleeve. The air guide rail can ensure higher kinematic accuracy and stability and has lower cost.

Description

technical field [0001] The invention relates to an air guide. Background technique [0002] In the fields of machining and measurement, air guide rails are commonly used. When the air guide rail moves, the relative moving guide rail surfaces are separated by an air film, which has many advantages over hydraulic guide rails. [0003] Due to the extremely small viscosity of the gas, the friction force is very small. When the guide rail is working, the gas resistance is negligible, and the heat generated is very little, and there is a cooling effect when the gas expands. Therefore, the air guide rail hardly produces thermal deformation; The homogenization effect can offset the influence of part of the surface error of the guide rail on the motion accuracy, and the motion accuracy is high; the gas will not cause environmental pollution, nor will it corrode various components, and it does not need to be recycled, and the cost is low. [0004] Common air guide rails are provided ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C32/06
CPCF16C32/0603F16C29/025G02B7/003F16C32/0651F16C32/0614
Inventor 夏发平
Owner JIZHUN PRECISION IND HUIZHOU
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