Comprehensive property testing system for electric spindle
A comprehensive performance testing, motorized spindle technology, applied in the testing of mechanical parts, machine/structural components, machine gear/transmission mechanism testing, etc. problems, to achieve the effect of automatic testing, accurate and reliable test results, and simple structure
Pending Publication Date: 2018-07-27
ZHEJIANG UNIV KUNSHAN INNOVATION INST
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Problems solved by technology
[0005] The purpose of the present invention is to overcome the deficiencies in the prior art, provide a comprehensive performance testing system for electric spindles, and solve the technical problems in the prior art of digitalization and insufficient stability of electric spindle performance detection, complicated test circuit construction, and difficult installation
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[0022] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.
[0023] like figure 1 It is a structural schematic diagram of the present invention, including: a workbench 17, a host computer 9 set on the workbench 17, a data processing device, a rotational speed torque measuring device 7, a runout measuring device 12 and a tooling mechanism 13 of the electric spindle 1.
[0024] The rotational speed and torque measuring device 7 is supported on the workbench 17 through a bracket 10, and a hoist 11 is provided below the rotational speed and torque measuring device 7 to adjust the height of the rotational speed and torque measuring device 7, so as to adapt to electric spindles of different specifications and heights 1. The output shaft of the rot...
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The invention discloses a comprehensive property testing system for electric spindle which comprises a host computer, a frequency converter, an electronic spindle tool mechanism, a jumping measurementdevice and a rotation speed torque measurement device, wherein the frequency converter is used for driving an electronic spindle to be tested to operate; the electronic spindle tool mechanism is usedfor positioning the electric spindle to be tested; the jumping measurement device is used for measuring axial jumping information of the mandrel of the electric spindle to be tested; the rotation speed torque measurement device is used for measuring rotation speed torque information of the electric spindle to be tested; the electric spindle tool mechanism is connected with a plurality of temperature sensors for acquiring temperature information in different positions on the surface of the electric spindle to be tested, a plurality of sound-grade sensors for acquiring noise information in different positions of the electric spindle to be tested in operation, and a vibration sensor for acquiring vibration information of the electric spindle to be tested in operation; the host computer is used for testing comprehensive properties of the electric spindle to be tested based on information collected by the measurement devices and the sensors. Automatic testing on comprehensive properties ofan electric spindle can be achieved, and the system is high in testing efficiency, accurate and reliable in testing result, simple in structure, convenient to mount and capable of completing testingon electric spindles of multiple specifications.
Description
technical field [0001] The invention relates to a comprehensive performance testing system of an electric spindle, which belongs to the technical field of equipment testing. Background technique [0002] The electric spindle is the core component of the high-speed CNC machine tool, and its performance directly determines the high-speed machining performance of the machine tool. The electric spindle rotates at high speed during the working process, which requires high acceleration and deceleration performance, which puts higher requirements on the heat dissipation, lubrication and precision control of the electric spindle. At the same time, due to the heating of the electric spindle bearing and the built-in motor during the high-speed operation of the spindle, it will cause thermal deformation, vibration, and noise of the electric spindle, which will affect the machining accuracy and other problems. [0003] During the operation and working process of the electric spindle, t...
Claims
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IPC IPC(8): G01M13/02
CPCG01M13/028
Inventor 徐冠华赵磊傅建中徐月同王龙
Owner ZHEJIANG UNIV KUNSHAN INNOVATION INST