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Spindle deformation analysis device

A deformation analysis and spindle technology, applied in electromagnetic measuring devices, electric/magnetic solid deformation measurement, machine gear/transmission mechanism testing, etc., to achieve good measurement accuracy

Inactive Publication Date: 2015-12-02
API ZC PRECISION INSTUMENT CO LTD
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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 a spindle deformation analysis device

Method used

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  • Spindle deformation analysis device

Examples

Experimental program
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Effect test

Embodiment 1

[0018] Such as figure 1 As shown, a spindle deformation analysis device includes a shaft sleeve 4 and a sensor 3 arranged on the shaft sleeve 4, the sensor 3 is more than one, and the sensors 3 are all fixed on the side wall of the shaft sleeve 4, and the sensor 3 are 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 limited by the electric induction sensor 3, which can make the sensor ...

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 a spindle deformation analysis device. The spindle deformation analysis device comprises a spindle sleeve and sensors arranged on the spindle sleeve, wherein the number of the sensors is not only one, the sensors are fixedly arranged on the side wall surface of the spindle sleeve, the sensors are electrically inductive sensors, the measuring point of each sensor is not located on the same line and an electric heating coil is further arranged on the side wall of the spindle sleeve. The spindle deformation analysis device has the advantages that the realization of simultaneous measurement and analysis of a plurality of parameters of a spindle is facilitated; the measurement accuracy is not influenced by environment humidity; the device is convenient to install on the spindle; the spindle heating deformation analysis period is short and the like.

Description

technical field [0001] The invention relates to the field of machine tool spindle test equipment, in particular to a spindle deformation analysis device. 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 for 50%-70% of the total error rate of the mach...

Claims

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Application Information

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IPC IPC(8): G01M13/02G01B7/16
Inventor 刘宁周姝覃欣杨科
Owner API ZC PRECISION INSTUMENT CO LTD
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