跳至内容 
包覆成型服务
Lewei Precision provides advanced overmolding molding services for high-performance plastic and metal components. From rapid prototypes to on-demand production, our overmolding process delivers strong material bonding, consistent quality, and refined aesthetics. Backed by expert engineering and fast tooling, we help you achieve reliable results with scalable manufacturing efficiency.
- Rapid Tooling & Production: T1 samples available in as little as 2 weeks, supporting prototypes through scalable production.
- Certified Quality & Consistency: ISO 9001:2015, ISO 13485, ISO 14001, and IATF 16949 certified manufacturing with strict quality control.
- Engineering-Led Reliability: Professional DFM support, material selection guidance, and dependable global manufacturing capabilities.
通过我们的专业原型设计服务，快速准确地实现您的产品创意。
Why Choose Lewei Precision for Overmolding?
乐为精密提供可靠的 overmolding molding services designed to improve part performance, durability, and aesthetics. From early-stage prototypes to full-scale production, we combine precision tooling, engineering expertise, and certified quality systems to ensure consistent, high-quality overmolded components.
Precision-Driven Overmolding
我们的 overmolding molding services deliver accurate material bonding and tight dimensional control, ensuring consistent performance and a refined appearance across every production run.
Optimized tooling workflows shorten the time from design approval to part delivery, helping you move faster without compromising quality.
Our experienced engineers provide early-stage DFM feedback, material compatibility guidance, and bonding optimization before tooling begins.
What Is Overmolding?
Overmolding is a specialized manufacturing process in which a secondary material is molded over a rigid base component to create a single, unified part. This method is commonly used to improve grip, durability, protection, and visual appeal. With professional overmolding molding services, manufacturers can combine rigid plastics or metals with softer elastomers or secondary plastics to enhance product performance while reducing assembly steps and long term costs.
包覆成型工艺
This overmolding method combines multiple plastic materials into a single part to improve strength, precision, and surface quality. Our overmolding molding services ensure reliable bonding and consistent results for both prototypes and production parts.
- 大规模生产的理想选择
- 实现详细的几何形状
- 使用铝制和钢制模具
Rubber over plastic overmolding adds soft-touch features to rigid components, improving grip, comfort, and vibration resistance. It is commonly used for ergonomic parts that require enhanced usability and durability.
- 提供各种颜色和纹理选择
- 无缝结合材料
- 提高强度和寿命
Plastic over metal overmolding integrates metal inserts with plastic to increase structural strength while reducing assembly steps. This solution is ideal for parts that need both rigidity and lightweight performance.
- 降低生产成本
- 提高耐用性
- 减少装配步骤
Rubber over metal overmolding applies an elastomer layer to metal parts to improve impact resistance and handling. It is well suited for components exposed to repeated use and demanding environments.
- 降低生产成本
- 提高耐用性
- 减少装配步骤
Overmolding Surface Finishes
Lewei Precision provides numerous surface finish options to increase the quality, durability and the appearance of your 3D printed components. Our services can be used to fulfil your personal project requirements, whether it involves a smooth finish, protection, or a unique texture.
This finish comes directly from the molding process and is ideal for functional or internal parts where appearance is not critical. Our overmolding molding services ensure consistent surface quality and dimensional accuracy straight from the mold.
We offer a full range of SPI finishes, from Grade 3 diamond or high polish to 320 stone low polish. Available options include SPI A-1, A-2, A-3, B-1, B-2, B-3, C-1, C-2, C-3, D-1, D-2, and D-3, allowing precise control over surface texture and appearance.
Custom textures are available to improve grip, branding, and visual appeal. These finishes enhance user interaction and product differentiation while maintaining durability across overmolded components.
数控加工解决方案
Lewei 原型开发
Prototype tooling is ideal for early-stage validation and functional testing. Our overmolding molding services use cost-effective prototype molds to help verify part design, material bonding, and performance before moving into production.
生产工具
Production tooling is designed for long-term, high-volume manufacturing. Using durable steel molds, our overmolding solutions deliver stable performance, repeatability, and cost efficiency across extended production cycles.
Lewei 包覆成型饰面
SPI 饰面
我们的 SPI 表面处理范围从 3 级钻石/高抛光到 320 级石材低抛光。可供选择的表面处理包括 SPI A-1、SPI A-2、SPI A-3、SPI B-1、SPI B-2、SPI B-3、SPI C-1、SPI C-2、SPI C-3、SPI D-1、SPI D-2 和 SPI D-3。
抛光处理
表面光滑闪亮，常用于需要易于清洁或高档外观的部件。
缎面处理
光滑的半光表面，在哑光和镜面之间取得了平衡，既适用于功能需求，也适用于美学需求。
乐为精密的包胶材料
Lewei Precision 的定制包胶服务能够制造出兼具美感和功能性的高性能塑料零件。我们先进的注塑工艺可将多种材料集成到一个部件中，从而提供卓越的质量和更高的产品性能。
塑料
ABS 结实耐用，具有良好的耐热性和抗冲击性。它是汽车部件和消费品的首选材料。
ABS 米色（自然色）
ABS 黑色
ABS 黑色防静电
ABS 乳白
ABS+PC 黑色
ABS+PC 白色
聚碳酸酯非常耐用，抗冲击性强，清晰度极高，可用于防弹玻璃和防护装备。
PC 黑色
透明 PC
PC 白色
PC 黄白色
PC+GF30 黑色
PMMA 或亚克力因其晶莹剔透和耐候性而闻名，是户外固定装置和展示柜的理想材料。
黑色 PMMA
透明 PMMA
PMMA 白色
POM 强度高、摩擦面小、尺寸稳定性好，是机械应用中精密零件的理想材料。
深棕色（咖啡色）POM 100AF
POM 黑色
POM 蓝色
POM 白色
尼龙用途广泛，强度高，耐磨性好，常用于齿轮、轴承和其他耐磨表面。
蓝色 PA（尼龙
PA6（尼龙）+GF15 黑色
PA6（尼龙）+GF30 黑色
PA66（尼龙）米色（自然色）
PA66（尼龙） 黑色
聚乙烯重量轻，抗冲击性强，广泛用于包装和容器。
黑色 PE
PE 白色
PEEK 因其耐高温性和强度而闻名，常用于航空航天和医疗植入物制造。
PEEK 米色（自然色）
PEEK 黑色
聚丙烯坚韧，具有出色的耐化学性，可用于汽车零件、容器和包装。
PP 黑色
PP 白色
PP+GF30 黑色
Insert Molding vs Overmolding: Key Differences
两者 镶嵌成型 和 包覆成型 are advanced molding techniques used to combine multiple materials into a single component. However, each process serves a different purpose depending on the part’s functional and structural requirements.
| Comparison | 插入成型 | 包覆成型 |
|---|---|---|
| Manufacturing Method | Pre-formed inserts are placed into the mold before plastic injection | A secondary material is molded over an existing plastic part |
| Main Function | Provides internal strength and functional reinforcement | Enhances surface feel, protection, or appearance |
| Production Steps | Single molding cycle with no post-assembly | Multi-step process requiring multiple molding stages |
| Material Usage | Plastic molded around metal or rigid inserts | Soft elastomers molded over rigid plastic substrates |
| Strength & Durability | High structural strength and long-term reliability | Limited structural strength, focused on surface performance |
| Thread & Fastener Support | Ideal for embedded threads and wear-resistant features | Not designed for threaded or load-bearing reinforcement |
| 设计灵活性 | Controlled by insert placement and mold design | Greater freedom for textures, grips, and sealing features |
| Production Efficiency | Faster cycle times and lower labor costs | Longer cycle times due to additional molding steps |
| 常见应用 | Connectors, housings, reinforced components, sensors | Handles, grips, seals, protective coverings |
| Best Application Fit | Structural and functional components | Ergonomic and cosmetic enhancements |
包覆成型 能力
Lewei Precision 的线切割放电加工是我们 CNC 服务的一部分，可有效加工简单和复杂的形状。这种非接触式加工方法最适合加工要求高精度的零件，可将毛刺减少到最低程度，并在加工钢和钛等金属时表现出色。我们确保为您量身定制精确的解决方案，满足您的各种需求。
能力
详情/规格
材料兼容性
不锈钢、钛、铝、工具钢、铜
宽容
± 0.0001 英寸（0.0025 毫米）或更好（基于材料和厚度）
最大工件尺寸
长度：16 英寸（400 毫米）
宽度：12 英寸（300 毫米）
高度：8 英寸（200 毫米）
切割速度
最高 300 mm2/分钟（根据材料和厚度而定）
表面处理
细至 Ra 0.2 微米
最大切割厚度
最大 12 英寸（300 毫米）--因材料而异
线径范围
0.004 英寸（0.1 毫米）至 0.012 英寸（0.3 毫米）
线径范围
0.004 英寸（0.1 毫米）至 0.012 英寸（0.3 毫米）
线径范围
0.004 英寸（0.1 毫米）至 0.012 英寸（0.3 毫米）
优势
乐为精密包覆成型的优势
Overmolding molding services offer multiple benefits that enhance both product performance and manufacturing efficiency.
- Improved Product Performance Combines materials to deliver better functionality and reliability.
- Enhanced Grip and Ergonomics Soft overmolded surfaces improve comfort and ease of use.
- Reduced Assembly Costs Eliminates secondary assembly by integrating materials into one part.
- Increased Durability and Impact Resistance Overmolded layers protect components from wear and damage.
- Superior Aesthetic Quality Clean finishes and color options improve product appearance.
- Scalable Manufacturing Efficiency Suitable for prototypes, low-volume runs, and high-volume production.
应用
乐为精密的包覆成型应用
Overmolding molding services are widely used across industries to improve functionality, durability, and usability of finished parts. Common applications include:
- Grips and Handles Soft-touch surfaces that improve comfort, control, and user experience.
- Seals and Gaskets Durable overmolded seals that provide protection against moisture, dust, and vibration.
- Electronic Housings Protective enclosures with enhanced insulation and surface protection for electronic components.
- Tooling Components Overmolded parts that improve handling, safety, and long-term reliability of tools.
- 医疗器械零件 Precision components with smooth finishes and ergonomic designs for medical applications.
- Structural Reinforced Assemblies Multi-material assemblies that combine strength, flexibility, and reduced assembly steps.
Overmolding Services for Diverse Industries
乐为精密提供可靠的 overmolding molding services tailored to the functional, durability, and performance requirements of multiple industries. Our multi-material manufacturing expertise supports both prototypes and production parts across demanding applications.
Quality Control and Inspection for Overmolding
At Lewei Precision, quality assurance is embedded throughout our overmolding molding services. Every project begins with pre-production mold inspection to verify tooling accuracy before sampling and production. During molding, we perform in-process inspections to monitor critical parameters and ensure consistent material bonding, dimensions, and surface quality across each run.
Before shipment, all parts undergo final part validation, including dimensional checks and visual inspection to confirm they meet design specifications and performance requirements. We also provide complete documentation and traceability, including inspection reports, material certificates, and compliance records, giving you confidence in quality, consistency, and regulatory alignment from prototype to production.
Overmolding Workflow: How We Work
Engineering Review and DFM
Before we begin, our experts carefully review your CAD files for material compatibility, design feasibility, and manufacturability, ensuring efficient tooling and avoiding production issues.
Tooling and Rapid Prototyping
We design and manufacture the molds using advanced materials, providing fast turnaround for prototype testing and design validation to confirm functionality and quality.
包覆成型工艺
During molding, we inject a secondary material over a rigid substrate, achieving reliable bonding and precise dimensional accuracy. We handle multi-material components to meet your specific requirements.
Quality Control and Inspection
Each part undergoes comprehensive inspections using CMM (Coordinate Measuring Machines) to verify dimensions, tolerances, and overall quality, ensuring parts meet specifications.
包覆成型 与嵌入成型
常见问题
What is overmolding used for?
Overmolding is used to combine multiple materials into a single part to improve grip, durability, protection, and appearance. It is commonly applied to ergonomic handles, seals, housings, and reinforced components.
What materials can be overmolded together?
How is overmolding different from insert molding?
What are typical lead times for overmolding?
Can overmolding be used for low-volume production?
What tolerances can be achieved with overmolding?
Do you provide DFM feedback before tooling begins?
Is overmolding suitable for complex part designs?
Does overmolding reduce assembly costs?
Yes, overmolding combines multiple functions into a single part, eliminating secondary assembly steps and reducing overall manufacturing costs.
Which industries commonly use overmolding services?
Overmolding is widely used in automotive, medical devices, electronics, robotics, automation, and consumer products due to its functional and aesthetic benefits.
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