工艺流程
专统工艺与现代生产技术相结合
01
根据配方比例准备原材料
02
熔炼和甩片
03
氢破碎与气流磨
04
磁场内坯料成型与取向
05
烧结与时效
06
机械加工
07
电镀
08
产品饱和磁化
09
包装运输
IQC
分析合金结构与成分
检验颗粒大小与 粒度分布
检测毛坯尺寸与 垂直度
检测检测烧结后尺 寸与磁性能
检测尺寸精度
检测磁通
检测外观等
包装运输
工艺流程
01
根据配方比例准备原材料
IQC
02
熔炼和甩片
分析合金结构与成分
03
氢破碎与气流磨
检验颗粒大小与 粒度分布
04
磁场内坯料成型与取向
检测毛坯尺寸与 垂直度
05
烧结与时效
检测检测烧结后尺 寸与磁性能
06
机械加工
检测尺寸精度
07
电镀
检测磁通
08
产品饱和磁化
检测外观等
09
包装运输
包装运输
质量控制
质量目标
≥98分
满意度
客户满意度≥98分
≤2件
客户抱怨
客诉抱怨每月≤2件
100%
良品率
成品出货良品率100%
100%
合格率
主要原材料抽检合格率100%
98%
98%
毛坯检查批合格率98%
≥98%
合格率
外加工批合格率≥98%
性能及参数
烧结钕铁硼材料物理性能
表面处理物理性能及使用环境
烧结钕铁硼磁性能参数表
| 条目 Items | 参数值 Parameter Values | 单位 Unit |
| 居里温度 Curie Temperature | 310～380 | ℃ |
| 回复磁导率 Relative Recoil Permeability | 1.02～1.05 | |
| 剩磁温度系数 Reversible Temperature Coefficient of Br (20~100℃) | -0.09～-0.13 | %/℃ |
| 内禀矫顽力温度系数 Reversible Temperature Coefficient of Hcj (20~100℃) | -0.4～-0.7 | %/℃ |
| 密度 Density | 7.50～7.70 | g/cm3 |
| 维氏硬度 Vickers Hardness | 550～700 | |
| 抗弯强度 Bending Strength | -0.09～-0.13 | MPa |
| 抗拉强度 Tensile Strength | ≥80 | MPa |
| 抗压强度 Compressive Strength | 800 ~1050 | MPa |
| 电阻率 Electric Resistivity | 150 | μΩ·cm |
| 热传导率 Thermal Conductivity | 8～10 | W/(M·℃) |
| 热膨胀系数 平行于方向 Coefficient of Thermal Expansion （Parallel to the orientation） | 5 | 10-6/K |
| 热膨胀系数 垂直于方向 Coefficient of Thermal Expansion （vertical to the orientation） | -1.5 | 10-6/K |
| 杨氏模量 Young's Modulus | 150～200 | GPa |
| 比热（20℃～320℃）Specific Heat（20℃～320℃） | 3.0～4.6 | J/(g·k) |
| 失重（低失重产品）weight loss（low weight loss products） | ≤2 | mg/cm2 |
| 种类 | 表面颜色 | 物理性能 | 使用环境 | 涂层厚度 |
| Coating Material | Colour | Properties | Environment of Application | Thickness of Coating layer |
| 电镀锌 | 蓝白色、黑色、彩虹色等 | 表面致密、稳稳定、均匀 | 具有较高的防腐能力 | 6um≤∮≤12 |
| Zine | Blue, Black and rainbow etc | Compact, Stable and Homogeneous | With reasonalbe capability of anticorrosion | |
| 电镀镍铜镍 | 银白色、黑色 | 镀层具有金属光泽、色泽均匀、表面清洁 | 适用于较为苛刻的环境中 | 15μm≤∮≤30pm |
| Nickel-Copper-Nickel | White and black | Light and Stable | Suitable for higher corrosive environment | |
| 磷化 | 浅灰色 | 厚度均匀 | 轻微防锈 | |
| Phosphorization | Colorless or light gray | Uniform thickness | Short-term anticorrosion | |
| 环氧 | 黑色、灰色、有一定光泽 | 涂层均匀,绝缘 | 适用于较为苛刻的环境中 | ≥15μm |
| Epoxy | Black and Gray | layer with certain luster, insurability | Suitable for higher corrosive environment | |
| 派瑞林镀膜 | 透明 | 厚度均匀、致密无针孔,绝缘 | 适用于极为苛刻的环境 | 0.1μm≤∮≤100pm |
| Parylene | Transparency | Uniform thickness, density pinholes- free and insurability | Excellent capability of anticorrosion especially for small items | |
| 镍+铜+环氧 | 黑色 | 涂层均匀,绝缘,稳定 | 适用于极为苛刻的环境中耐 盐雾>300hr | 10-30μm |
| Ni+Cu+Epoxy | Black | Layer with certain luster insurability and stability | Excellent capability ofanticorrosion. Suitable for hostile environment salt spray resistance>300hr | |
| 铝+环氧 | 黑色 | 涂层均匀,绝缘,稳定 | 适用于极为苛刻的环境中 耐 盐雾>650hr 适用于新能源骑车汽车产品 | 15-35μm |
| Al+Epoxy | Black | Layer with certain luster insurability and stability | Excellent capability of anticorrosion. Suitable for hostile environment Salt spray resistance>650hr Widely used in EV industry. |
| 牌号 Grade | 剩磁 (Br)KGs | 矫顽力 (Hcb)KOe | 内禀矫顽力 (Hcj)KOe | 最大磁能积 (BH)maxMGOe | Hk/Hcj | 最高工作 温度(T)℃ |
| N33 | 11.4~11.8 | ≥10.5 | ≥12 | 31~35 | ≥95 | 80℃ |
| N35 | 11.8-12.3 | ≥11 | ≥12 | 33~37 | ≥95 | 80℃ |
| N38 | 12.3~12.7 | ≥11.2 | ≥12 | 36~40 | ≥95 | 80℃ |
| N40 | 12.7~12.9 | ≥11.4 | ≥12 | 38~42 | ≥95 | 80℃ |
| N42 | 12.9~13.3 | ≥11.5 | ≥12 | 40~44 | ≥95 | 80℃ |
| N45 | 13.3~13.7 | ≥11.6 | ≥12 | 43~47 | ≥95 | 80℃ |
| N48 | 13.7~14.0 | ≥11.6 | ≥12 | 45~49 | ≥95 | 80℃ |
| N50 | 13.9~14.2 | ≥11.4 | ≥12 | 48~52 | ≥95 | 80℃ |
| N52 | 14.2~14.5 | ≥10.2 | ≥11 | 49~53 | ≥95 | 80℃ |
| N54 | 14.4 14.8 | ≥10.2 | ≥11 | 50~54 | ≥95 | 80℃ |
| 35M | 11.8~12.3 | ≥10.9 | ≥14 | 33~36 | ≥95 | 100℃ |
| 38M | 12.3-12.6 | ≥11.5 | ≥14 | 36~40 | ≥95 | 100℃ |
| 40M | 12.6~12.9 | ≥11.8 | ≥14 | 38~42 | ≥95 | 100℃ |
| 42M | 12.9 13.3 | ≥12.0 | ≥14 | 40~44 | ≥95 | 100℃ |
| 45M | 13.3~13.7 | ≥12.5 | ≥14 | 43~46 | ≥95 | 100℃ |
| 48M | 13.6~14.0 | ≥12.9 | ≥14 | 45~49 | ≥95 | 100℃ |
| 50M | 13.9~14.2 | ≥13 | ≥ 14 | 47~51 | ≥95 | 100℃ |
| 52M | 14.2~14.6 | ≥12.5 | ≥13 | 49~53 | ≥95 | 100℃ |
| 35H | 11.8~12.3 | ≥11 | ≥17 | 33~37 | ≥95 | 100℃ |
| 38H | 12.3~12.6 | ≥11.4 | ≥17 | 36~40 | ≥95 | 120℃ |
| 40H | 12.6~12.9 | ≥11.7 | ≥17 | 38 ~42 | ≥95 | 120℃ |
| 42H | 12.9~13.3 | ≥12.0 | ≥17 | 40 ~44 | ≥95 | 120℃ |
| 45H | 13.3~13.7 | ≥12.5 | ≥17 | 43~47 | ≥95 | 120℃ |
| 48H | 13.7~13.9 | ≥12.8 | ≥16 | 45 ~49 | ≥95 | 100℃ |
| 50H | 13.9~14.2 | ≥12.9 | ≥16 | 47~51 | ≥95 | 100℃ |
| 52H | 14.2~14.5 | ≥12.8 | ≥16 | 48 ~53 | ≥95 | 100℃ |
| 33SH | 11.4~11.9 | ≥10.5 | ≥20 | 31~35 | ≥92 | 150℃ |
| 35SH | 11.8-12.3 | ≥11.2 | ≥20 | 33~37.5 | ≥92 | 150℃ |
| 38SH | 12.3~12.6 | ≥11.3 | ≥20 | 36.5~40 | ≥92 | 150℃ |
| 40SH | 12.6~12.9 | ≥11.8 | ≥20 | 38~41 | ≥92 | 150℃ |
| 42SH | 12.9~13.3 | ≥12.4 | ≥20 | 40~44 | ≥92 | 150℃ |
| 45SH | 13.3~13.7 | ≥12.5 | ≥20 | 43~46 | ≥92 | 150℃ |
| 48SH | 13.7~14.0 | ≥12.8 | ≥20 | 45~49 | ≥92 | 150℃ |
| 50SH | 13.9~14.2 | ≥12.9 | ≥20 | 47~51 | ≥92 | 150℃ |
| 52SH | 14.2~14.5 | ≥12.8 | ≥19 | 48~53 | ≥92 | 150℃ |
| 30UH | 10.8~11.4 | ≥9.5 | ≥25 | 28~32 | ≥90 | 180℃ |
| 33UH | 11.4~11.8 | ≥10.3 | ≥25 | 31~34 | ≥90 | 180℃ |
| 35UH | 11.8~12.3 | ≥10.6 | ≥25 | 33~37 | ≥90 | 180℃ |
| 38UH | 12.3~12.6 | ≥11.1 | ≥25 | 36~39 | ≥90 | 180℃ |
| 40UH | 12.6~12.9 | ≥11.5 | ≥25 | 38~41 | ≥90 | 180℃ |
| 42UH | 12.9~13.3 | ≥11.8 | ≥25 | 40~43 | ≥90 | 180℃ |
| 45UH | 13.3~13.7 | ≥12.2 | ≥24 | 43~46 | ≥90 | 180℃ |
| 48UH | 13.7~14.2 | ≥12.5 | ≥24 | 45~49 | ≥90 | 180℃ |
| 50UH | 13.9~14.3 | ≥12.8 | ≥24 | 47~51 | ≥90 | 150℃ |
| 52UH | 14.2~14.5 | ≥13.1 | ≥24 | 48~53 | ≥90 | 180℃ |
| 30EH | 11.0~11.4 | ≥9.5 | ≥30 | 28~31 | ≥90 | 200℃ |
| 33EH | 11.4~11.8 | ≥10.3 | ≥30 | 31~34 | ≥90 | 200℃ |
| 35EH | 11.8~12.2 | ≥11.1 | ≥30 | 33~36 | ≥90 | 200℃ |
| 38EH | 12.2~12.5 | ≥11.6 | ≥30 | 35~39 | ≥90 | 200℃ |
| 40EH | 12.5~12.8 | ≥11.9 | ≥30 | 37~41 | ≥90 | 200℃ |
| 42EH | 12.8~13.1 | ≥12.2 | ≥29 | 39~43 | ≥90 | 200℃ |
| 28TH | 10.5~10.8 | ≥9.5 | ≥35 | 26~29 | ≥90 | 230℃ |
| 30TH | 10.8~11.4 | ≥10.1 | ≥35 | 28~31 | ≥90 | 230℃ |
| 33TH | 11.4~11.8 | ≥10.2 | ≥35 | 31~34 | ≥90 | 230℃ |
| 35TH | 11.8~12.2 | ≥10.6 | ≥35 | 33~36 | ≥90 | 230℃ |
| 38TH | 12.2~12.5 | ≥11.6 | ≥33 | 35~39 | ≥90 | 230℃ |
