Overmolding Service
Lewei Precision offers high-quality custom overmolding for prototypes and on-demand production parts. With rapid tooling production, we can deliver parts in as little as 2 weeks.
- T1 sample as fast as 2 weeks
- Certified to ISO 9001:2015, ISO 13485, ISO 14001:2015, and IATF 16949:2016 standards
- Fast, reliable production with high-quality results every time
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。
Lewei Precision guarantees consistent high-quality custom overmolded parts through certified factories and thorough in-process inspections. We conduct dimensional verifications after production to ensure precision and reliability, even for complex shapes.
With our certified domestic facilities and efficient supply chain, we streamline the product development process, delivering your overmolded parts as quickly as possible while maintaining high standards.
Leverage the expertise of our engineers, who bring over 10 years of experience in injection molding, to efficiently guide your project from prototyping to full-scale production. We ensure a smooth transition at every stage of the process.
Unlock Precision and Speed with Custom Overmolding Services
At Lewei Precision, we specialize in providing custom overmolding services tailored to meet your specific needs. Whether you’re working on prototypes or require on-demand production parts, our team ensures high-quality, precision-engineered solutions. We use advanced techniques to bond different materials together, creating durable, functional parts that perform under demanding conditions. With our rapid tooling production, we can deliver your overmolded parts in as little as 2 weeks, allowing you to move swiftly from concept to market. Let Lewei Precision help bring your designs to life with reliable, cost-effective, and innovative overmolding solutions.
Overmolding Process
In mass production, the plastic over plastic overmolding process uses durable molds crafted from steel or aluminum. This ensures precise, repeatable part geometries for high-volume manufacturing.
- Ideal for large-scale production
- Achieves detailed geometries
- Uses aluminum and steel molds
Rubber overmolding enhances both the functionality and appearance of products by fusing different materials into one part. It adds features like soft grips and multi-color designs, improving usability.
- Offers various color and texture options
- Seamlessly combines materials
- Increases strength and lifespan
Plastic over metal insert molding incorporates metal or other materials into plastic parts during molding. This process boosts component strength while reducing assembly time for parts with embedded features.
- Lowers production costs
- Enhances durability
- Reduces assembly steps
Rubber over metal insert molding integrates metal components into plastic parts, offering improved strength and reduced assembly steps for products with embedded features.
- Cuts production costs
- Enhances durability
- Reduces assembly steps
CNC Machining Solutions
Lewei Prototyping
Lewei Precision provides high-quality prototype tooling to help you quickly validate your designs. Our process enables you to create small batches of plastic molded parts, allowing for functional testing and market validation in a fraction of the time. We specialize in manufacturing prototype molds within days, ensuring fast feedback and design improvements.
Our steel cavity and core molds have a shot life ranging from 1,000 to 5,000 shots and are typically produced within two weeks.
Production Tooling
Lewei Precision excels in creating high-quality production molds for high-volume plastic parts. We use high-strength, durable tool steel to ensure that our molds can produce hundreds of thousands of parts. Our tooling is customizable, with materials and construction methods tailored to your specific needs.
Our high-performance steel tools can endure up to 10,000 shots, with parts typically produced within 3 weeks.
Lewei Overmolding Finishes
SPI Finishes
Our SPI finishes range from Grade 3 diamond/high polish to 320 stone low polish. The available finishing options include 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, and SPI D-3.
Polished Finish
Offers a smooth and shiny surface, often used for parts that require easy cleaning or a high-end look.
Satin Finish
A smooth, semi-gloss finish that provides a balance between matte and mirror finishes, suitable for both functional and aesthetic needs.
Materials for Overmolding at Lewei Precision
Lewei Precision’s custom overmolding services enable the creation of high-performance plastic parts that combine aesthetics and functionality. Our advanced injection molding process integrates multiple materials into a single part, delivering superior quality and improved product performance.
Plastics
ABS is strong, durable, and offers good resistance to heat and impact. It’s preferred for automotive components and consumer goods.
ABS Beige(Natural)
ABS Black
ABS Black Antistatic
ABS Milky White
ABS+PC Black
ABS+PC White
Polycarbonate is extremely durable and has high impact resistance, along with excellent clarity, used for bullet-proof glass and protective gear.
PC Black
PC Transparent
PC White
PC Yellowish White
PC+GF30 Black
PMMA, or acrylic, is known for its crystal clarity and weather resistance, making it ideal for outdoor fixtures and display cases.
PMMA Black
PMMA Transparent
PMMA White
POM is strong, with a low friction surface and good dimensional stability, perfect for precision parts in mechanical applications.
Dark brown (coffee) POM 100AF
POM Black
POM Blue
POM White
Nylon is versatile, strong, and wears well against friction, commonly used for gears, bearings, and other wear-resistant surfaces.
PA(Nylon) Blue
PA6 (Nylon)+GF15 Black
PA6 (Nylon)+GF30 Black
PA66 (Nylon) Beige(Natural)
PA66 (Nylon) Black
Polyethylene is lightweight and has high resistance to impact, widely used in packaging and containers.
PE Black
PE White
PEEK is renowned for its high temperature resistance and strength, often used in aerospace and medical implant manufacturing.
PEEK Beige(Natural)
PEEK Black
Polypropylene is tough, has excellent chemical resistance, and is used for automotive parts, containers, and in packaging.
PP Black
PP White
PP+GF30 Black
Overmolding Capabilities
Lewei Precision’s wire EDM, part of our CNC services, efficiently crafts both simple and intricate shapes. Ideal for parts requiring high precision, this no-contact method produces minimal burrs and excels with metals like steel and titanium. Favored in aerospace, automotive, and electronics for their accuracy, we ensure tailored, precise solutions regardless of your needs.
Capability
Details/Specifications
Material Compatibility
Stainless Steel, Titanium, Aluminum, Tool Steel, Copper
宽容
± 0.0001 inches (0.0025 mm) or better (based on material and thickness)
Maximum Workpiece Size
Length: 16 inches (400 mm)
Width: 12 inches (300 mm)
Height: 8 inches (200 mm)
Cutting Speed
Up to 300 mm2/min (specific to material and thickness)
表面处理
As fine as Ra 0.2 µm
Maximum Cutting Thickness
Up to 12 inches (300 mm) – varies based on material
Wire Diameter Range
0.004 inches (0.1 mm) to 0.012 inches (0.3 mm)
Wire Diameter Range
0.004 inches (0.1 mm) to 0.012 inches (0.3 mm)
Wire Diameter Range
0.004 inches (0.1 mm) to 0.012 inches (0.3 mm)
优势
Advantages of Overmolding at Lewei Precision
Overmolding significantly enhances the performance and aesthetics of your products by combining multiple materials into a single part. This process offers numerous benefits, from improved functionality to cost savings, making it an ideal choice for various applications.
- 高精度： 精密加工工具可以生产公差极小的零件，确保每件零件都符合精确的规格要求。这对于航空航天和医疗设备等需要复杂细节的应用来说至关重要。
- 一致性： 这种方法提供了无与伦比的生产一致性。即使是大批量生产，每个部件也保持一致，从而降低了最终产品出现错误和缺陷的风险。
- 材料多样性： 精密加工可以处理从金属到塑料和复合材料等各种材料。这种灵活性使制造商能够根据强度、重量或阻力等特定性能选择理想的材料。
- 复杂几何： 有了先进的数控机床，制造商就能制造出复杂的形状，而这些形状是手工工艺难以实现或无法实现的。这种能力对于开发创新产品和部件至关重要。
- 减少浪费： 由于精密加工非常精确，因此可以最大限度地减少材料浪费。这种高效率不仅节省了原材料，还降低了生产对环境的整体影响。
- 速度 现代精密加工技术高度自动化，与传统方法相比，生产时间更短。这种速度使项目的周转时间更快，与市场需求保持同步。
应用
Applications of Overmolding at Lewei Precision
The versatility of the injection overmolding process makes it ideal for a wide array of industries. In addition to the previously mentioned applications, here are several more where overmolding is extensively used:
- Engine Components: Essential for engines in both the automotive and aerospace industries, such as pistons and crankshafts, which require exact dimensions for optimal performance.
- Electronics Parts: Critical in producing components like connectors and pins in electronic devices, where precise measurements are necessary for functionality and compact assembly.
- Medical Implants: Used to manufacture surgical implants, including hip and knee replacements, where precise tolerances and smooth finishes are crucial for compatibility with human tissue.
- Aerospace Fasteners: Involves creating high-strength bolts and screws that must endure extreme environmental conditions in aerospace applications.
- Tool and Die Making: Focuses on crafting molds and dies that are fundamental in other manufacturing processes, ensuring the production of consistent and quality parts in mass production settings.
Overmolding vs Insert Molding
