Elastic fixture and attachment method for length measuring apparatus

一种长度测量、弹性固定的技术，应用在测量装置、机械测量装置、测量仪器组件等方向，能够解决制造困难、扩大温度范围、部件大小部件加工精度制约等问题，达到低价格化、容易制造、大小和加工精度的限制小的效果

Inactive Publication Date: 2006-01-25
MITUTOYO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, since the function of the leaf spring having the leaf spring mechanism and the parallel leaf spring mechanism disclosed in JP-A-2003-97936 is highly dependent on the material of the parts and the thicknesses T1 and T2, lengths L1 and L2, etc. of the leaf spring, Therefore, there are restrictions on the size of the parts and the machining accuracy of the parts, and due to the difficulty of manufacturing, there are such as the end fixing block 32. image 3 Difficulty in miniaturization in the cross-sectional direction and cost reduction as a part
[0009] In addition, in the case of a unit-type linear scale for a manual machine that is required to be used in a relatively severe temperature environment, since a spring mechanism is used on it, there is a problem that it is necessary to expand the temperature range and the allowable value of the corresponding length.

Method used

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  • Elastic fixture and attachment method for length measuring apparatus
  • Elastic fixture and attachment method for length measuring apparatus
  • Elastic fixture and attachment method for length measuring apparatus

Examples

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Embodiment Construction

[0026] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0027] Figure 5 The middle schematically shows a state in which a unit type linear scale (length measuring device) 10 is attached to a counterpart machine (object to be measured) M using an elastic fixing member according to an embodiment of the present invention.

[0028] In this embodiment, a complete fixing member 40 made of a sheet metal member for the purpose of complete fixing is arranged in the center of the aluminum frame 12, and the length including both ends of the frame 12 (only one end is shown in the figure) Bending beams 42 and 44 made of sheet metal parts are arranged at multiple places in the direction.

[0029] Image 6 (A)-(C) shows the outline|summary of each sheet metal member 40, 42, 44 by a perspective view. The symbol ○ in the figure is a screw hole. The complete fixture 40 and the curved beam fixture 42 composed of these sheet meta...

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Abstract

The invention provides a flexible fixing piece of a length measuring device, which is used to install the length measuring device on a device of different expansion coefficient to be measured and capable of flexible deforming in the lengthwise direction of the device to be measured. One end of the flexible fixing piece is fixed on the length measuring device, while the other end is fixed on the device to be measured, and the flexible fixing piece is provided with a sheet metal bending beam. Therefore, the restrictions on the size and accuracy of processing are fewer, and the device is easily manufactured, and can be used in more stringent environmental temperatures like hand operating mechanism, etc. Compared with the parallel plate spring mechanism, the device is smaller and has lower price.

Description

technical field [0001] The invention relates to an elastic fixing member and a fixing method for installing a length measuring device on objects to be measured with different linear expansion coefficients. In particular, it relates to an elastic fixing member of a length measuring device and a fixing method of a length measuring device using the elastic fixing member, and the length measuring device is suitable for a state in which a main scale made of glass is installed in a frame made of aluminum Next, the unit-type linear scale fixed on the iron-based mechanical body can enhance the absorption of thermal stress caused by the difference in linear expansion coefficient. Background technique [0002] As a linear scale for feedback control used in comparatively large machine tools and industrial machines for predicting the generation of vibration and shock, etc., there are known figure 1 The shown multi-point fixed cell-type linear scale (hereinafter simply referred to as a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/02G01B5/02
CPCG01D5/34707G01B5/0014G01D11/30G01D5/34753
Inventor 川田洋明森洋笃
Owner MITUTOYO CORP
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