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Method for measuring thermal error of grinding wheel spindle of grinder

A measurement method and thermal error technology, which is applied to the parts of grinding machine tools, grinding/polishing equipment, metal processing equipment, etc., can solve the problems that cannot be realized, and achieve the effect of solving thermal deformation

Inactive Publication Date: 2010-01-20
UNIV OF SHANGHAI FOR SCI & TECH +1
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Problems solved by technology

[0003] The above measurement method can not realize the measurement of the thermal deformation error in the radial direction of the grinding wheel spindle and the measurement of the inclination error at the same time

Method used

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  • Method for measuring thermal error of grinding wheel spindle of grinder
  • Method for measuring thermal error of grinding wheel spindle of grinder
  • Method for measuring thermal error of grinding wheel spindle of grinder

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0034] A method for measuring thermal error of a grinding wheel spindle of a grinding machine according to the present invention comprises the following steps:

[0035] (1) Non-contact displacement sensor setting

[0036] Such as figure 1 As shown, in order to measure the thermal deformation and inclination error in the two radial directions of the main shaft, two displacement sensors are respectively installed along the Z axis in the X and Y directions, wherein the first and third sensors 1 and 3 are located on the same plane, and the second , the fourth sensors 2, 4 are located on the same plane. For the measurement of the thermal deformation of the grinding wheel spindle, according to the evaluation method of the thermal effect of the ISO230-3 machine tool, it is required to read the measured value of the displacement sensor at least every 5 minute...

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Abstract

The invention relates to a method for measuring the thermal error of a grinding wheel spindle of a grinder. The method comprises the following specific steps: 1. arranging non-contact displacement sensors; 2. determining the position of each sensor relative to the grinding wheel spindle; 3. measuring the thermal deformation of the spindle; and 4. modifying the thermal deformation of the grinding wheel spindle and the random measurement error. By solving the problem of measuring the thermal deformation of the grinding wheel spindle of the grinder and providing the method for determining the position of the sensor relative to the grinding wheel spindle, the invention can accurately determine the thermal deformation in X and Y directions. The method is also applicable to the measurement of thermal deformation of a machining center spindle without the function of spindle location.

Description

technical field [0001] The invention relates to a method for measuring the error of the main shaft of the grinding wheel of a grinding machine, in particular to a method for measuring the thermal deformation and the inclination error of the main shaft of the grinding wheel in two radial directions. Background technique [0002] In the cutting process of precision machine tools, the heat source has a great influence on the machining accuracy. To improve the machining accuracy of the workpiece, it is necessary to conduct quantitative research on the thermal deformation of the machine tool, and make reasonable control and compensation during the machining process. The machine tool spindle is a high-speed moving part and one of the main heat sources of the machine tool. It is the main factor for the thermal deformation of the machine tool and greatly affects the machining accuracy of the machine tool. According to the evaluation method of the thermal effect of the ISO230-3 machi...

Claims

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Application Information

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IPC IPC(8): B24B49/14
Inventor 李郝林迟玉伦姚俊
Owner UNIV OF SHANGHAI FOR SCI & TECH
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