材料牌号 | 钐钴 | 密度 | 8(g/cm3) |
工作温度 | 250(℃) | 剩磁 | 750(T) |
矫顽力 | 557(KA/m) | 内禀矫顽力 | 1989(KA/m) |
Zui大磁能积 | 111(KJ/m3) | 居里温度 | 700(℃) |
石英手表步进电机磁钢rotor magnet for quartz watch movement:
材料 material |
外径 outer diameter (mm) |
内径 inter diameter (mm) |
高度 thickness (mm) |
磁化方向 magnetic orientaion |
公差 tolerance (mm) |
表面处理 coating |
钐钴smco |
0.8~2.0 |
0.25~0.60 |
0.35~0.6 |
径向radial |
±0.005~±0.015 |
--- |
钕铁硼ndfeb |
0.8~2.0 |
0.25~0.60 |
0.35~0.6 |
径向radial |
±0.005~±0.015 |
派瑞林parylene c |
镀镍nickel coating |
||||||
钐钴smco |
0.6~2.0 |
--- |
0.3~0.6 |
径向radial |
±0.005~±0.015 |
--- |
钕铁硼ndfeb |
0.8~2.0 |
--- |
0.35~0.6 |
径向radial |
±0.005~±0.015 |
派瑞林parylene c |
镀镍nickel coating |