陶瓷輪：瓷線輪用于漆包線改變方向及適量導向。其中間由精密陶瓷制作瓷圈，凹槽超精拋達Ra0.2，瓷圈內裝有高速軸承，使漆包線與瓷圈之間的延遲滑動距離小于0.2mm，保護漆膜及保證漆包線的跳動在很小的范圍之內。瓷線輪兩側的檔板設計防止繞線時漆包線跳出，同時使繞線時的張力保持穩定

Ceramic wheel:ceramic weel used for enamel insulated wire or silk thread appropriate amount guiding, the china circle makes from precise ceramics, the surface smoothness that the china marks with a circle reaches Ra 0.2, moves up and down when rotating being smaller than 0.15, material selects and uses 99%'s AL2O3, hardness HRa 88, density 3.85