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A Method for Analysis and Recording of Dynamic Deformation of Machine Tool Spindle

A technology of dynamic deformation, analysis and recording, applied in the testing of mechanical components, testing of machine/structural components, measuring devices, etc., to achieve the effect of good measurement accuracy

Inactive Publication Date: 2017-06-09
重庆市路迪机械厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Further optimizing the structure and function of the existing analyzer will further promote the progress of CNC machine tools in the field of high-precision machining. The invention provides an analysis and recording method for the dynamic deformation of the machine tool spindle

Method used

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  • A Method for Analysis and Recording of Dynamic Deformation of Machine Tool Spindle

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Experimental program
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Effect test

Embodiment 1

[0018] Such as figure 1 As shown, a method for analyzing and recording the dynamic deformation of the main shaft of a machine tool includes a shaft sleeve 4 and a sensor 3 arranged on the shaft sleeve 4. There are more than one sensor 3, and the sensors 3 are all fixed on the shaft sleeve 4. On the side wall, and the sensors 3 are all electric induction sensors 3, the measurement points of each sensor 3 are not located on the same straight line, and the side wall of the shaft sleeve 4 is also provided with an electric heating coil.

[0019] In this embodiment, the provided shaft sleeve 4 is used to fix each sensor 3. When the shaft sleeve 4 is sleeved on the main shaft, each sensor 3 forms a plurality of non-contact sensors 3 relative to the main shaft to be measured, so that , this structure can be more conveniently installed on the main shaft of the lathe to complete the dynamic error and thermal deformation analysis of the main shaft; furthermore, the sensor 3 is further li...

Embodiment 2

[0021] The present embodiment is further limited on the basis of embodiment 1, as figure 1 As shown, the further technical solution is: in order to facilitate the replacement of sensor 3 types or models according to specific measurement needs, the sensors 3 are provided with magnetic bases 1, and each sensor 3 is magnetically adhered to the sensor 3 by the magnetic base 1 on each On the shaft sleeve 4.

[0022] In order to make this structure have the function of braking the rotation of the main shaft, so as to enrich the scope of application of this structure, for example, it can be used for the test and analysis of a single main shaft that has been disengaged, and also includes a driving part 2 fixed at any end of the shaft sleeve 4 .

[0023] In order to facilitate the fixing of this structure, the base 1 is also fixed on the free end of the driving part 2 .

Embodiment 3

[0025] This embodiment is further limited on the basis of any one of the solutions provided by the above embodiments. In order to enable this structure to conveniently complete the measurement of the inclination and deflection of the main shaft, and the error analysis on the X-axis, Y-axis and Z-axis, the The number of sensors 3 is at least five.

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Abstract

The invention discloses an analysis and recording method for the dynamic deformation of the main shaft of a machine tool, which comprises a shaft sleeve and a sensor arranged on the shaft sleeve, the sensor is more than one, and the sensors are all fixed on the side wall of the shaft sleeve, and The sensors are all electric induction sensors, the measurement points of each sensor are not located on the same straight line, and an electric heating coil is also arranged on the side wall of the shaft sleeve. The invention is convenient to realize the simultaneous measurement and analysis of multiple parameters of the main shaft; at the same time, the measurement accuracy is not affected by the ambient humidity; the installation on the main shaft is convenient; the thermal deformation analysis period of the main shaft is short and the like.

Description

technical field [0001] The invention relates to the field of machine tool spindle test equipment, in particular to an analysis and recording method for dynamic deformation of the machine tool spindle. Background technique [0002] The spindle system of a lathe is one of the most critical parts of the machine tool. It directly participates in the cutting process of the machine tool through the tool. The quality of its dynamic performance and thermal deformation have an impact on the cutting shock resistance, machining accuracy and surface roughness of the machine tool. It has a great influence, that is, the performance of the lathe spindle directly affects the overall performance of the machine tool. The spindle performance tester is an important device for testing the performance of the CNC machine tool spindle and above. [0003] At the same time, the thermal deformation error of the spindle in the prior art is the main error in the movement of the machine tool, accounting ...

Claims

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Application Information

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IPC IPC(8): G01M13/00
Inventor 谭明聪
Owner 重庆市路迪机械厂
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