The company has advanced domestic processing equipment and has the ability to process various highprecision and difficult products such as blocks, tiles, cylinders, and rings. If customers have higher requirements for size, they can communicate and then confirm.
方块产品（单位：mm）
| 尺寸范围 | 尺寸公差 | 平行度 | 垂直度 |
| L≤10 | ±0.04 | 0.04 | ＜0.5° |
| 10＜L≤25 | ±0.04 | 0.04 | |
| 25＜L≤60 | ±0.05 | 0.10 | |
| L＞60 | ±0.06 | 0.10 |
圆片产品（单位：mm）
| 尺寸范围 | 尺寸公差 | 圆度 | 平面度 |
| D≤10 | ±0.03 | 0.03 | 0.03 |
| 10＜D≤25 | ±0.03 | 0.03 | 0.04 |
| 25＜D≤60 | ±0.04 | 0.04 | 0.10 |
| D＞60 | ±0.05 | 0.05 | 0.10 |
瓦形产品（单位：mm）
| 形位 | 尺寸范围 | 尺寸公差 |
| 壁厚 | T≤10 | ±0.04 |
| 10＜T≤25 | ±0.04 | |
| 长度 | T≤10 | ±0.04 |
| 10＜T≤25 | ±0.04 | |
| 25＜T≤60 | ±0.04 | |
| T＞60 | ±0.06 | |
| 弧面方向宽度 | W≤60 | ±0.05 |
| W＞60 | ±0.05 |
环形产品（单位：mm）
| 尺寸范围 | 尺寸公差 | 同轴度 | |
| 内孔尺寸 | D≤13 | ±0.04 | 0.06 |
| 3＜D≤6 | ±0.05 | 0.06 | |
| 6＜D≤25 | ±0.05 | 0.10 | |
| D＞25 | ±0.10 | 0.10 | |
| 厚度尺寸 | T≤1 | ±0.04 | / |
| 1＜T≤3 | ±0.04 | / | |
| T＞3 | ±0.05 | / | |
Sintered neodymium iron boron permanent magnet materials have excellent permanent magnetic properties and high cost-effectiveness compared to traditional permanent magnet materials. It has been increasingly widely used in various industries and has become an indispensable functional material in modern industry.
In order to improve the corrosion resistance of the magnet and meet specific surface condition requirements, the following surface treatment can be performed on the magnet according to customer needs. According to the different application environments of permanent magnets, various composite coating customized designs can also be provided to ensure the durability of the magnets.
| 镀层类别 | 镀层代号 | 颜色 | 最小局部厚度 | 中性盐雾实验 | 湿热实验 | 压力锅实验 | 建议使用温度 |
| 电镀镍铜镍（滚） | NiCuNi | 银 | 15μm | 72h | 500h | 48h | ＜200℃ |
| 电镀镍铜镍（挂） | NiCuNi | 银 | 10μm | 48h | 500h | 48h | ＜200℃ |
| 电镀蓝白锌 | Zn | 蓝白 | 4μm | 48h | 48h | N/A | ＜200℃ |
| 电镀彩锌 | CZn | 多彩色 | 4μm | 48h | 48h | N/A | ＜200℃ |
| 镍铜+锡 | NiCu+Sn | 银白 | 15μm | 72h | 500h | 96h | ＜200℃ |
| 化学镀Ni | Ni | 银 | 8μm | 96h | 500h | 48h | ＜200℃ |
| 电泳黑/灰环氧 | Black EP | 黑 | 15μm | 240h | 500h | 96h | ＜200℃ |
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