Method for testing flatness of stator core

A stator core and testing method technology, applied to measuring devices, instruments, optical devices, etc., can solve the problems of inability to guarantee the dynamic balance requirements of parts, large initial unbalance, etc.

Inactive Publication Date: 2018-12-11
SHANDONG DONGRUI HIGH TECH DEV CO LTD
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  • Abstract
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Problems solved by technology

For the precision casting impeller, due to the large initial unbalance of the casting parts, according to the previous method of processing, it is not enough to reduce the unbalance to the required 2mg by polishing in the weight-removing area, and it is not allowed based on safety considerations Use the method of punching holes on the web to remove the unbalance, which cannot guarantee the dynamic balance requirements of the parts

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  • Method for testing flatness of stator core

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Embodiment Construction

[0015] A method for testing the flatness of a stator core, including a stator core that has been die-cast at high temperature and high pressure, a laser oscillator, a mobile work platform that moves according to a certain working cycle, a timer, and a sensor that detects the mobile work platform. The timer receives The sensor transmits the signal of the movement of the working platform to start timing. The laser oscillator is installed on the mobile working platform 3. The working platform also includes a light receiving and processing device. The laser oscillator scans the end face of the stator core and the outer circumference. The iron core, the light receiving and processing device receives and processes the reflected light, analyzes the deviation value, and records the position of the deviation value, that is, the uneven position. The working platform makes a spiral movement along the upper end of the stator core end face, and The incident angle of the oscillator on the en...

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Abstract

The invention relates to a method for testing the flatness of a stator core. A stator core which is subjected to high temperature and high pressure die casting is comprised. A laser oscillator scans an end face and an outer circumference of the stator core, by scanning the stator core, a light receiving and processing device receives and processes reflected light, analyzes the value of the deviation and records the position with the value of the deviation, and the position is an uneven position. The detection method is simple and convenient to operate.

Description

technical field [0001] The invention relates to a motor, in particular to a stator of an asynchronous motor used in the household appliance industry. Background technique [0002] The stator is a commonly used component in a mechanical system. When the mechanical system is working, the stator realizes functions such as power transmission, energy conversion, and mechanical motion through rotation. For some stators with high rotating speed, such as the precision-cast impeller in the aero-engine, it is the core moving part of the aero-engine. The shape of the part is complex, and the level of balance accuracy is high. Between, the speed is very high, if the unbalance of the part is too large, the magnetic field between the stator and the rotor will fluctuate greatly during operation. Therefore, the processing of stator parts has high requirements on unbalance. The traditional processing process is to remove most of the allowance by rough turning first, then drill and tap, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/30
CPCG01B11/30
Inventor 董廷显
Owner SHANDONG DONGRUI HIGH TECH DEV CO LTD
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