Numerical control turning center with hydrostatic guide rails and hydrostatic spindle system

A hydrostatic guide rail and hydrostatic spindle technology, applied in turning equipment, turning equipment, manufacturing tools, etc., can solve the problems of the influence of machine tool accuracy and machining accuracy, low machine tool accuracy, poor vibration resistance, etc., to improve machining accuracy, The effect of high oil film stiffness and vibration isolation of machine tool deflection

Inactive Publication Date: 2011-05-25
大连机床(数控)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of rolling guideway has low structural rigidity, and the vibration of the machine tool is large during operation, which affects the a

Method used

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  • Numerical control turning center with hydrostatic guide rails and hydrostatic spindle system
  • Numerical control turning center with hydrostatic guide rails and hydrostatic spindle system
  • Numerical control turning center with hydrostatic guide rails and hydrostatic spindle system

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Experimental program
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Embodiment Construction

[0015] Such as figure 1 , 2 , Shown in 3, 4: 1 is 45 ° inclined bed, and inclined bed 1 is artificial granite material, and headstock mechanism is installed on one end on inclined bed 1. All parts fixedly connected with the inclined bed 1 adopt the method of embedding nuts in the inclined bed 1 and fixing each part on the inclined bed 1 by bolts.

[0016] An upper guide rail 4 and a lower guide rail 6 parallel to each other are fixed longitudinally on the inclined bed 1 to form a hydrostatic guide rail structure 2 . The fixing structure between each guide rail and the inclined bed 1 is as follows: the above guide rail 4 is taken as an example, and steel guide rail fixing nuts 11 are arranged and inlaid inside the inclined bed 1, and counterbores are added on the upper guide rail 4, The guide rail fixing bolt 10 is fastened with the guide rail fixing embedded nut 11 through the counterbore, so that the upper guide rail 4 is fixed on the inclined bed 1, and a plug 8 is provide...

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Abstract

The invention relates to a numerical control turning center with hydrostatic guide rails and a hydrostatic spindle system. A slant bed body is provided with an upper guide rail and a lower guide rail which are parallel with each other, and each guide rail is provided with a slide block; a static pressure chamber is arranged between each guide rail and each slide block matched with the guide rail, the periphery of the static pressure chamber is provided with sealing element, the static pressure chamber is communicated with an oil inlet and outlet pipe joint, and the oil inlet and outlet pipe joint is in threaded connection with the slide block and is connected with an oil supply device through a pipeline; the slant bed body is fixedly provided with a spindle box bracket, and the upper part of the spindle box bracket is fixedly connected with the hydrostatic spindle system mechanism; and the slant bed body is made of artificial granite materials. An oil film is formed between the slide block and the guide rail in working, the oil film has high rigidity, large bearing capacity and a vibration absorbing function, a coupling surface of the guide rails is not rubbed or abraded, the rigidity of guide rail structures is enhanced with fewer overall parts, the vibration is reduced in operation, and the accuracy is high.

Description

technical field [0001] The invention relates to a metal cutting machine tool, in particular to a numerical control turning center with a hydrostatic guide rail and a hydrostatic spindle system. Background technique [0002] The existing precision CNC turning center includes a slanted bed made of metal casting material. A spindle box mechanism is installed at one end of the slanted bed. The block is equipped with a sliding plate mechanism, and the sliding block and the sliding plate mechanism can slide relative to the inclined bed under the drive of the driving mechanism on the rolling guide rail. This type of rolling guideway has low structural rigidity, and the vibration of the machine tool is large during operation, which has an impact on the accuracy and machining accuracy of the machine tool itself, and has the disadvantages of low machine tool accuracy and poor vibration resistance. Contents of the invention [0003] The object of the present invention is to provide ...

Claims

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Application Information

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IPC IPC(8): B23B3/06B23B17/00B23B19/02B23Q1/01
Inventor 孟国兴吴庆利夏宏韩德建李治贾广辉招瑞丰
Owner 大连机床(数控)股份有限公司
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