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Device with a displaceable carriage and a linear guide

一种线性引导件、引导件的技术，应用在制造工具、轴和轴承、直线运动的轴承等方向，能够解决路径精度有限、妨碍精确加工、难拖板保持在特定位置等问题，达到精确移动和定位的效果

Active Publication Date: 2012-07-25
FRITZ STUDER AG GLOCKENTHAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has been found that such guides are susceptible to disturbances and therefore will make it difficult to hold the carriage in a specific position
For example, if the carriage is used to machine workpieces, even small ground vibrations can make it difficult to hold the carriage in a specific position, thus preventing precise machining
Furthermore, in the case of long guides, the achievable path accuracy is limited

Method used

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  • Device with a displaceable carriage and a linear guide
  • Device with a displaceable carriage and a linear guide
  • Device with a displaceable carriage and a linear guide

Examples

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Embodiment Construction

[0014] figure 1 The device is shown with a processing table 1 on which a carriage 10 is arranged. The carriage is movable along one axis, ie here the Z axis, the path of movement of which is defined by the linear guide 20 . In the present example, the linear guide 20 is implemented as a freely supported guide, ie it is not surrounded, for example in the form of figure 2 The V-flat guide shown, as figure 2 shown. Other guides are also conceivable, for example only V-shaped guides or only planar guides.

[0015] The linear guide 20 comprises two guide profiles 21 and 22 which extend in the direction of the movement axis Z. Each guide profile 21 and 22 is embodied, for example, such that it is integral with the machining table, or is attached to the machining table in the form of a separate rail. The carriage drive 5 and the carriage drive 6 for moving the carriage 10 are arranged between the guide contour 21 and the guide contour 22 . In this example, carriage drive 5 an...

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PUM

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Abstract

A displaceable carriage (10) and a linear guide for guiding the carriage, which includes a first guide path slideway (13, 31) and a second guide path slideway (32). To form the first slideway (13, 31), the carriage (10) includes at least one pocket (13), which slides along the first guide path part (31) and can hold lubricant under pressure to create a relieving force on the carriage (10). The second guide path part (32) includes an island-shaped surface to create a frictional force on the carriage (10). A pressure medium held in the at least one pocket (13, 14, 15) creates the relieving force, whereby the first slideway (13, 31) relieves the load on the second slideway (11a, 12a, 12b, 32).

Description

technical field [0001] The invention relates to a device comprising a displaceable carriage and linear guides. Background technique [0002] There are known linear guides which operate hydrostatically. For this purpose, grooves are provided which hold the lubricant under pressure. It has been found that such guides are susceptible to disturbances and therefore will make it difficult to keep the carriage in a particular position. For example, if the carriage is used to machine workpieces, even small ground vibrations can make it difficult to keep the carriage in a certain position, which thus prevents precise machining. Furthermore, in the case of long guides, the achievable path accuracy is limited. [0003] DE 31 31 566 A1 describes a linear guide comprising a hydrodynamic guide and a hydrostatic guide which is arranged opposite the hydrodynamic guide and thus applies a load to the hydrodynamic guide. The design of these rails is not described in detail. Contents of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B5/35B23Q1/38
CPCF16C29/025B23Q1/58B23Q1/38F16C29/005F16C2322/39
Inventor 亚德里恩·埃施利曼安德烈亚斯·森雷托·茨瓦伦
Owner FRITZ STUDER AG GLOCKENTHAL
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