Firstly, the physical and chemical properties of enameled aluminum wire are analyzed, and then the process and key point control of the enameled aluminum wire motor stator with a diameter below 1.0 mm are explained in detail. Keywords: small wire diameter; aluminum wire motor; wiring technology; paint stripping powder; double-wall heat shrinkable tube

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To identify the suitable test conditions for evaluating the compatibility between lubricating oil and polyimide enameled wire, a series of compatibility tests were conducted under varying water content levels and different cycle counts. The tests employed the cold and heat cycle impact method as specified in T/CEEIA 415—2019 "Insulation System of Driving Motor of New Energy Vehicles - Technical Requirements." The enameled wire’s appearance, breakdown voltage, and PDIV were assessed post-test, allowing for the determination of the impact of water and cycling on the compatibility test outcomes.

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Quality problems of compressor oil often occur in many plants nowadays, which to some extent has already effected the compressor manufacturer’s reputation and market efficiency, such as Germany’s BOGE and other manufacturers.

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