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A magnetic fluid double suspension support rail system

A technology of rail system and support system, which is applied in the field of machine tool rails to achieve the effects of improving poor machining accuracy, increasing effective bearing area and increasing bearing capacity

Active Publication Date: 2018-04-03
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The lack of bearing capacity and rigidity of the guide rail system has become a bottleneck restricting the precision development of heavy-duty CNC machine tools

Method used

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  • A magnetic fluid double suspension support rail system
  • A magnetic fluid double suspension support rail system
  • A magnetic fluid double suspension support rail system

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0024] Such as Figure 1-7 As shown, a magnetic fluid double-suspension support guide rail system according to the embodiment of the present invention, the hydrostatic support part includes: upper and lower static pressure guide plates 1, side static pressure guide plates 2, static guide rails 3, oil inlet hose joints 5, Fixing screw 7, oil return line connector 9. The hydraulic oil pipeline joints of the inlet and outlet of the back-shaped oil chambers in the upper and lower static pressure guide plates are completely sealed with sealing rings to reduce leakage. The hydraulic oil hose joints are fixed on the left and right static pressure guide plates. The supply pressure of the hydrostatic guide plate is about 3MPa. The width of the oil groove is 8mm, the depth is 5mm, the width of the oil sealing edge is 15mm, the size of the back-shaped oil cavit...

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Abstract

The invention discloses a magnetic fluid dual-suspension guide rail system. A liquid static-pressure and electromagnetic suspension bearing system consists of a static guide rail, static-pressure guide plates, an electromagnet, a permanent magnet, wherein the static-pressure guide plates are of a closed structure and are arranged at the periphery of the static guide rail; a rectangular-ambulatory-plane oil cavity is distributed in the static-pressure guide plate in a vertical direction; a middle entity part of the oil cavity is hollowed and is provided with a groove in which the electromagnet is arranged; the static-pressure guide plates on two sides are of a planar structure; an oil way and an electromagnet cable joint are uniformly distributed on the side static-pressure guide plates; the permanent magnet is distributed in the static guide rail, and the position and direction of the permanent magnet are matched with those of the electromagnet. According to the magnetic fluid dual-suspension guide rail system, oil films are formed between the static-pressure guide plates and the static guide rail, so that the two guide rails are separated, coarse adjustment on the guide rail rigidity is realized, the electromagnet is electrified to generate electromagnetic suspension bearing, and thus fine adjustment on the guide rail rigidity is realized. Compared with the prior art, the magnetic fluid dual-suspension guide rail system has the advantages that the bearing capacity and static rigidity of the guide rail system is increased, and the processing accuracy and the stability are improved.

Description

technical field [0001] The invention relates to a guide rail of a machine tool, in particular to a guide rail of a heavy-duty numerical control precision machining machine tool, which is a guide rail system with high rigidity and large bearing capacity suitable for precision machining of a heavy-duty numerical control machine tool. Background technique [0002] Heavy-duty CNC machine tools are "industrial aircraft carriers", machines that make machines. With the vigorous development of downstream equipment manufacturing industries such as aerospace, national defense and marine engineering, it has brought huge market opportunities for heavy-duty CNC machine tools; There are challenges, prompting it to gradually develop in the direction of high-end precision. [0003] Hydrostatic guide rails are widely used due to their advantages such as wide speed range, strong bearing capacity, and long working life. The oil film stiffness and bearing capacity of the hydrostatic guideway ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q1/01B23Q1/38
CPCB23Q1/017B23Q1/38
Inventor 赵建华高殿荣王强毋少峰梁瑛娜
Owner YANSHAN UNIV
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