This article describes a rotor making technology for the production of high-efficiency single-phase induction motors (SPIMs) to be used in refrigerator compressors. Rotors can have different aluminum fill factors according to the fabrication method. In order to examine the association between the fill factor and the efficiency of the rotor. we analyzed the distribution of magnetic flu... https://unitedssports.shop/product-category/ball-catcher-kits/