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Serviço de sobremoldagem
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.
Dê vida às suas ideias de produtos de forma rápida e precisa com os nossos serviços especializados de criação de protótipos.
Why Choose Lewei Precision for Overmolding?
Lewei Precision delivers reliable 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
O nosso 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.
Processo de sobremoldagem
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.
- Ideal para produção em grande escala
- Obtenção de geometrias detalhadas
- Utiliza moldes de alumínio e aço
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.
- Oferece várias opções de cores e texturas
- Combinação perfeita de materiais
- Aumenta a resistência e a duração de vida
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.
- Reduz os custos de produção
- Aumenta a durabilidade
- Reduz as etapas de montagem
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.
- Reduz os custos de produção
- Aumenta a durabilidade
- Reduz as etapas de montagem
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.
Soluções de maquinagem CNC
Prototipagem Lewei
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.
Ferramentas de produção
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.
Acabamentos de sobremoldagem Lewei
Acabamentos SPI
Os nossos acabamentos SPI vão desde o diamante de grau 3/alto polimento até à pedra 320 de baixo polimento. As opções de acabamento disponíveis incluem 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 e SPI D-3.
Acabamento polido
Oferece uma superfície lisa e brilhante, frequentemente utilizada para peças que requerem uma limpeza fácil ou um aspeto de alta qualidade.
Acabamento acetinado
Um acabamento suave e semi-brilhante que proporciona um equilíbrio entre os acabamentos mate e espelhado, adequado tanto para necessidades funcionais como estéticas.
Materiais para sobremoldagem na Lewei Precision
Os serviços de sobremoldagem personalizada da Lewei Precision permitem a criação de peças de plástico de elevado desempenho que combinam estética e funcionalidade. O nosso processo avançado de moldagem por injeção integra vários materiais numa única peça, proporcionando uma qualidade superior e um melhor desempenho do produto.
Plásticos
O ABS é forte, durável e oferece boa resistência ao calor e ao impacto. É preferido para componentes automóveis e bens de consumo.
ABS Bege (Natural)
ABS preto
ABS preto anti-estático
ABS Branco leitoso
ABS+PC Preto
ABS+PC Branco
O policarbonato é extremamente durável e tem uma elevada resistência ao impacto, juntamente com uma excelente clareza, sendo utilizado para vidro à prova de bala e equipamento de proteção.
PC Preto
PC Transparente
PC Branco
PC Branco amarelado
PC+GF30 Preto
O PMMA, ou acrílico, é conhecido pela sua clareza cristalina e resistência às intempéries, o que o torna ideal para instalações exteriores e vitrinas.
PMMA Preto
PMMA Transparente
PMMA Branco
O POM é resistente, com uma superfície de baixa fricção e boa estabilidade dimensional, perfeito para peças de precisão em aplicações mecânicas.
Castanho escuro (café) POM 100AF
POM Preto
Azul POM
POM Branco
O nylon é versátil, forte e tem uma boa resistência ao atrito, sendo normalmente utilizado em engrenagens, rolamentos e outras superfícies resistentes ao desgaste.
PA(Nylon) Azul
PA6 (Nylon)+GF15 Preto
PA6 (Nylon)+GF30 Preto
PA66 (Nylon) Bege (Natural)
PA66 (Nylon) Preto
O polietileno é leve e tem uma elevada resistência ao impacto, sendo muito utilizado em embalagens e contentores.
PE Preto
PE Branco
O PEEK é conhecido pela sua resistência e força a altas temperaturas, sendo frequentemente utilizado na indústria aeroespacial e no fabrico de implantes médicos.
PEEK Bege (Natural)
PEEK Preto
O polipropileno é resistente, tem uma excelente resistência química e é utilizado em peças para automóveis, contentores e embalagens.
PP Preto
PP Branco
PP+GF30 Preto
Insert Molding vs Overmolding: Key Differences
Ambos moldagem por inserção e sobremoldagem 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 | Moldagem por inserção | Sobremoldagem |
|---|---|---|
| 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 |
| Flexibilidade de conceção | 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 |
| Aplicações comuns | Connectors, housings, reinforced components, sensors | Handles, grips, seals, protective coverings |
| Best Application Fit | Structural and functional components | Ergonomic and cosmetic enhancements |
Sobremoldagem Capacidades
O EDM de fio da Lewei Precision, parte dos nossos serviços CNC, cria eficazmente formas simples e complexas. Ideal para peças que requerem alta precisão, este método sem contacto produz rebarbas mínimas e é excelente com metais como o aço e o titânio. Favorecido na indústria aeroespacial, automóvel e eletrónica pela sua precisão, garantimos soluções personalizadas e precisas, independentemente das suas necessidades.
Capacidade
Detalhes/Especificações
Compatibilidade de materiais
Aço inoxidável, titânio, alumínio, aço para ferramentas, cobre
Tolerância
± 0,0001 polegadas (0,0025 mm) ou melhor (com base no material e na espessura)
Tamanho máximo da peça de trabalho
Comprimento: 16 polegadas (400 mm)
Largura: 12 polegadas (300 mm)
Altura: 8 polegadas (200 mm)
Velocidade de corte
Até 300 mm2/min (dependendo do material e da espessura)
Acabamento da superfície
Tão fino quanto Ra 0,2 µm
Espessura máxima de corte
Até 12 polegadas (300 mm) - varia consoante o material
Gama de diâmetros do fio
0,004 polegadas (0,1 mm) a 0,012 polegadas (0,3 mm)
Gama de diâmetros do fio
0,004 polegadas (0,1 mm) a 0,012 polegadas (0,3 mm)
Gama de diâmetros do fio
0,004 polegadas (0,1 mm) a 0,012 polegadas (0,3 mm)
Vantagens
Vantagens da sobremoldagem na Lewei Precision
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.
Aplicações
Aplicações de sobremoldagem na Lewei Precision
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.
- Medical Device Parts 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
Lewei Precision provides reliable 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.
Processo de sobremoldagem
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.
Sobremoldagem vs Moldagem por inserção
Perguntas frequentes
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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