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Mover cooling method and device for machine tool

A cooling method and cooling device technology, which are applied to metal processing machinery parts, large fixed members, maintenance and safety accessories, etc., can solve the problems of high price of machine tools, and achieve the effects of reduced supply, shortened paths, and stable machining accuracy.

Active Publication Date: 2010-07-21
MAKINO MILLING MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, a plurality of temperature sensors and flow control mechanisms are required, and there is a problem that the machine tool becomes expensive.

Method used

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  • Mover cooling method and device for machine tool
  • Mover cooling method and device for machine tool
  • Mover cooling method and device for machine tool

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Embodiment Construction

[0016] Hereinafter, preferred embodiments of a cooling method and a cooling device for a moving body of a machine tool according to the present invention will be described with reference to the drawings. figure 1 It is a side view showing an embodiment of a cooling device for a moving body of a machine tool according to the present invention. figure 1 The machine tool shown is a vertical machining center, and the column 1 is erected on a bed which is not shown. On the front face of the column 1, a pair of guide rails 3 are arranged up and down, and the guide rails 3 are arranged in parallel in a direction perpendicular to the paper surface. The guide rail 3 is a square guide rail with a plurality of guide surfaces 5 . A sliding seat frame 7 is suspended on the guide rail 3 , and the sliding surface 9 of the sliding seat frame 7 engages with the guide surface 5 of the guide rail 3 . The slide frame 7 is movable on the guide rail 3 by a driving device not shown and a feed scre...

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Abstract

Provided are a cooling method and a cooling device for reducing the fluctuations of the thermal deformation of a mover of a machine tool. In front of a column (1), there are formed a pair of upper and lower guides (3), on which a saddle (7) is so suspended that the saddle (7) can move transversely. The guide faces (5) of the guides (3) and the sliding face (9) of the saddle (7) are contacting-sliding faces. The sliding faces (9a, 9b, 9d and 9e) having large calorific values which have to be cooled are defined in advance by simulations. A fluid conduit (25) for cooling the heating portions specified is formed to feed a cooling liquid from the portion (9a) of a lower calorific value to a portion (9e) of a higher calorific value, thereby to circulate the cooling liquid.

Description

technical field [0001] The present invention relates to a cooling method and a device for cooling a heat-generating part of a moving body of a machine tool and reducing variations in thermal deformation of the moving body. Background technique [0002] In order to improve machining efficiency, machine tools are required to transport moving objects such as tables and saddles at high speed. In the case of a structure in which the moving body of the machine tool has a sliding surface, if the moving body is conveyed at high speed, frictional heat will be generated due to the friction of the sliding surface. This frictional heat is transmitted to each part of the moving body, and the moving body is thermally deformed, which has a problem of deteriorating the machining accuracy of the machine tool. [0003] Japanese Patent Application Laid-Open No. 2000-117571 discloses a technology for maintaining the accuracy of the machine tool by removing heat generated by friction between th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q11/14B23Q1/72B23Q11/12
CPCB23Q11/141B23Q11/128Y10T409/303976Y10T409/30Y10T409/309744Y10T409/303752
Inventor 佐藤英志中安和正赤坂英彦
Owner MAKINO MILLING MASCH CO LTD
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