业务概述
粉末冶金・业务概述
Powder Metallurgy & MIM Business Overview
金属粉末注射成形（MIM）技术，是融合塑料成型工艺、高分子材料、粉末冶金与金属材料科学于一体的先进精密制造技术。该工艺通过模具注射成型坯件，经烧结制备高密度、高精度、三维复杂结构零件，可高效将产品设计方案转化为结构稳定、性能可靠的精密构件，实现规模化、批量化生产，是精密制造领域的重要技术方向。
金属粉末注射成形（Metal Injection Molding，简称 MIM）技术，是融合塑料注射成型、高分子材料、粉末冶金及金属材料科学于一体的先进精密制造技术。该工艺通过模具注射成型坯件，并经脱脂、烧结等核心工序，制备高密度、高精度、复杂三维结构金属零件，可高效实现产品设计向规模化制造的转化，是现代精密制造领域的重要技术方向。
山东北方海泰新材料有限公司依托数十年粉末冶金技术积累与军工级质量管理体系，专注于高精度、高复杂度金属零部件的研发与制造。公司配备先进真空脱脂烧结设备、专业金属喂料注射成型设备及高精度3D检测仪器，具备成熟稳定的生产与检测能力，可承接不锈钢、铁基合金、铜基合金、钨基合金、陶瓷及多种特种材料的精密注射成型产品。
公司尤其擅长传统机加工难以实现、加工成本过高或一致性难以控制的复杂异形结构件制造，可稳定实现：
粉末冶金・业务概述
一、技术概念
MIM（金属粉末注射成形）技术融合粉末冶金与精密注塑工艺优势，可高效制造形状复杂、结构精密、性能要求高的小型金属零部件。相比传统CNC加工、精密铸造及普通粉末冶金工艺，MIM技术在复杂结构成型能力、材料利用率及批量化一致性方面具有显著优势。
二、工艺特点
高精度与近净成形
产品尺寸精度高、一致性稳定，可实现复杂结构件的一次成型，有效降低后续机加工成本。
高致密度与优异性能
产品相对密度可达95%以上，具备优异的强度、硬度、耐磨性及疲劳性能，综合机械性能接近锻造件水平。
高效率批量生产
支持多腔模具连续生产，材料利用率可达98%以上，适合大批量、高稳定性、高一致性的精密零部件制造。
高设计自由度
可实现传统机加工难以完成的复杂曲面、微小结构、异形内腔及精密功能结构。
三、技术优势
MIM工艺有效突破传统切削加工、铸造及普通粉末冶金工艺限制，可实现复杂结构件一体化制造，显著提升产品设计自由度与制造效率，为复杂工况、高精度、高性能零部件提供稳定可靠的解决方案。
四、常用材料体系
公司可加工材料包括：
不锈钢
- 17-4PH
- 304L
- 316L
- 430
铁基合金
- 4605低合金钢
- 2700低合金钢
- 5368马氏体时效沉淀硬化钢
钨基合金
- 5351钨镍铜合金
- 5352钨镍铁合金
- 钨铜合金
陶瓷及特种材料
- 氧化铝陶瓷
- 氧化锆陶瓷
- 碳化硅
- 硬质合金等
五、应用领域
产品广泛应用于：
- 汽车零部件
- AI机器人与智能装备
- 医疗器械与生物配件
- 智能穿戴设备
- 五金工具与刀具配件
- 硬质合金制品
- 电工装备与供电设备
- 工业自动化与精密机械领域
Powder Metallurgy & MIM Business Overview
Metal Injection Molding (MIM) is an advanced precision manufacturing technology integrating plastic injection molding, polymer engineering, powder metallurgy, and material science. Through injection molding, debinding, and high-temperature sintering, MIM technology enables the efficient mass production of high-density, high-precision, and highly complex three-dimensional metal components, making it one of the key technologies in modern precision manufacturing.
Shandong North Haitai New Materials Co., Ltd. leverages decades of powder metallurgy expertise and military-grade quality management systems to specialize in the development and manufacturing of high-precision, complex-geometry metal components. The company is equipped with advanced vacuum debinding and sintering systems, professional metal feedstock injection molding equipment, and high-precision 3D inspection instruments, enabling stable and reliable production capabilities for stainless steel, iron-based alloys, copper-based alloys, tungsten alloys, ceramics, and various advanced materials.
North Haitai is particularly experienced in manufacturing components that are difficult, uneconomical, or impractical to produce using conventional machining methods, with manufacturing capabilities including:
- Dimensional tolerances up to ±0.01 mm
- Thin-wall structures down to 0.5 mm
- Ultra-small components as light as 0.03 g
- Near-net-shape forming of highly complex internal and external geometries
- High-density, high-consistency mass production capability
1. Technology Overview
Metal Injection Molding (MIM) combines the advantages of powder metallurgy and precision plastic injection molding to efficiently manufacture small, complex, and high-performance metal components. Compared with conventional CNC machining, investment casting, and traditional powder metallurgy, MIM offers significant advantages in design flexibility, material utilization, and large-scale production consistency.
2. Process Characteristics
High Precision & Near-Net-Shape Manufacturing
MIM enables the one-step molding of complex structures with excellent dimensional accuracy and consistency, significantly reducing secondary machining costs.
High Density & Excellent Mechanical Performance
Parts can achieve relative densities above 95%, with outstanding strength, hardness, wear resistance, and fatigue performance comparable to forged components.
High-Efficiency Mass Production
Multi-cavity mold production enables high-volume manufacturing with material utilization rates exceeding 98%, making MIM highly suitable for precision mass production.
High Design Freedom
The process supports the manufacturing of complex surfaces, miniature features, intricate internal cavities, and functional geometries difficult to achieve through conventional machining.
3. Technical Advantages
MIM technology overcomes many limitations of traditional machining, casting, and conventional powder metallurgy processes by enabling integrated manufacturing of highly complex components, significantly improving design flexibility and manufacturing efficiency for demanding industrial applications.
4. Material Systems
Available material systems include:
Stainless Steel
- 17-4PH
- 304L
- 316L
- 430
Iron-Based Alloys
- 4605 Low Alloy Steel
- 2700 Low Alloy Steel
- 5368 Maraging Steel
Tungsten Alloys
- 5351 W-Ni-Cu Alloy
- 5352 W-Ni-Fe Alloy
- Tungsten-Copper Alloy
Ceramics & Advanced Materials
- Alumina Ceramics
- Zirconia Ceramics
- Silicon Carbide
- Cemented Carbides
5. Application Industries
Products are widely used in:
- Automotive components
- AI robotics and intelligent equipment
- Medical devices and biomedical components
- Smart wearable devices
- Hardware tools and cutting tool accessories
- Cemented carbide products
- Electrical and power equipment
- Industrial automation and precision machinery industries