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인서트 몰딩

Elite Mold Tech integrates metal and plastic with precision insert molding—perfect for electrical connectors, threaded inserts, and embedded structures.

High-Precision Insert Molding Services – Strengthening Components with Seamless Integration

Elite Mold Tech specializes in insert molding, a process that allows you to integrate metal, plastic, or other materials directly into your molded parts. This technique is perfect for applications where additional strength, electrical conductivity, or precise threading is required.

By embedding inserts such as metal fasteners, wires, or bushings into plastic parts during the molding process, we achieve stronger, more reliable components without the need for post-production assembly. This service is ideal for automotive, medical, and industrial applications, offering enhanced durability and performance.

Strengthen your design from the inside out. Upload your CAD file today to get an instant quote for your insert molding project.

What is Insert Molding?

Insert molding involves placing metal inserts into a mold before injecting plastic around them, creating strong, integrated parts. This process is ideal for producing components that require embedded elements such as threaded inserts or electrical contacts, commonly used in automotive, aerospace, and electronics.

Insert Molding Services by Elite Mold Tech

With Elite Mold Tech, you can now access precision molding services for plastic and metal parts integration. Our Insert Molding service improves the strength, durability and functionality of components across many industries.

Threaded Fasteners

Threaded Fasteners

Electrical Connectors

Electrical Connectors

Automotive Switch Housings

Automotive Switch Housings

Insert Molding Tolerances

설명 일반 허용 오차 또는 표준
General Dimensional Tolerances ±0.005” (±0.13 mm) for molded features; in line with ISO 20457 for plastic parts
Insert Placement Tolerance ±0.002”–0.005” (±0.05–0.13 mm) for manual or automated insert positioning
Insert Fit Tolerance Press-fit inserts: ±0.001”–0.003” (±0.025–0.076 mm) Looser fit may be used if thermal expansion/shrinkage is expected
Hole Diameter (Post-Mold) ±0.003”–0.005” (±0.076–0.13 mm), varies with core pin accuracy and plastic shrink rate
Shrinkage Compensation 0.4%–2% depending on plastic type (e.g., ABS, Nylon); insert molding accounts for differential shrinkage between metal and plastic
Flash Tolerance ≤ 0.004” (≤ 0.10 mm) at parting lines; critical sealing areas may require tighter control
표면 마감 Ra 1.6–3.2 μm (63–125 μin) typical; can be textured or polished depending on mold cavity finish
Insert Material Compatibility Brass, stainless steel, aluminum, and threaded components; must withstand mold temps (typically 250°C–350°C)
Assembly Accuracy ±0.005” (±0.13 mm) for final assembled insert-molded part, depending on number of inserts and complexity

Materials and Surface Finishing Techniques for Insert Molding

Insert molding integrates metal or plastic inserts directly into molded parts, offering improved strength, electrical functionality, or assembly efficiency. At Elite Mold Tech, our surface finishing techniques enhance the final part’s appearance, performance, and compatibility with embedded components.
  • ABS
  • 폴리카보네이트
  • 나일론
  • 아크릴
  • PVC
  • 폴리프로필렌
  • PETG
  • POM (Acetal)
  • Polyamide (Nylon)
  • 실리콘
  • EPDM
  • Buna-N
  • TPE
  • 알루미늄
  • Steel
  • 스테인리스 스틸
  • 황동
  • 구리
  • Zinc
  • Carbon Fiber
  • Glass Fiber Reinforced
  • TPU (Thermoplastic Polyurethane)
  • TPE (Thermoplastic Elastomer)
  • Urethane
  • Epoxy
  • Phenolic
Leaves the part with the mold’s native surface texture—suitable for functional components and non-cosmetic areas.
Mold surfaces can be etched or patterned to add grip or visual contrast around inserts.
Creates smooth, high-gloss surfaces around visible areas or clear parts for a refined look.
Applies protective or aesthetic layers while maintaining integrity around embedded inserts.
Insert Molding Parts Made by Elite Mold Tech
Explore insert molding parts made by Elite Mold Tech, providing high-precision manufacturing where metal inserts are molded into plastic components. Our insert molding services ensure enhanced part strength, durability, and functionality, designed to meet the highest performance standards across various industries.

엘리트 생산 프로세스

엘리트 몰드 테크는 정밀성, 속도, 효율성을 결합하여 아이디어를 테스트, 검증 및 본격적인 생산으로의 원활한 전환을 위한 고품질 프로토타입으로 전환하는 원활한 프로토타이핑 프로세스를 보장합니다.

다양한 공정, 재료 및 표면 처리를 고려하여 프로토타입 제작에 가장 적합한 솔루션을 제공합니다.

가격, 요구 사항 및 배송 일정을 확인합니다.

제품 제조 가능성 및 요구 사항을 즉시 검토하여 필요에 따라 엔지니어링 지원을 제공합니다.

생산 주문을 시작하여 생산 및 배송 계획을 확인합니다.

BOM 및 원본 사양을 기반으로 품질 검사를 수행하여 선적 승인을 위한 선명한 사진을 제공합니다.

배송 후 안전한 포장을 확인하고 추적 번호를 제공하세요.

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엘리트 몰드 테크의 정밀 CNC 가공을 경험해 보세요. 복잡한 프로토타입부터 대규모 생산까지, 당사는 고객의 아이디어를 현실화할 준비가 되어 있습니다. 지금 바로 문의하여 프로젝트에 필요한 사항을 논의하세요!

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Elite Mold Tech Insert Molding: Stronger Bonds, Smarter Parts

In today’s fast-paced product development cycles, efficiency isn’t just a bonus—it’s a requirement. Insert molding offers manufacturers a powerful way to integrate multiple materials into a single, unified component, saving time, reducing assembly, and increasing reliability. At 엘리트 몰드 기술, we bring unmatched precision and engineering know-how to every insert molding project we handle.

Whether you need to embed metal threads in plastic housings or bond electronic components into structural parts, we deliver durable results that meet tight specifications.

What Is Insert Molding?

Insert molding is a specialized injection molding process where a pre-formed component—often metal or ceramic—is placed into a mold and encapsulated with plastic. The plastic forms around the insert during the molding process, creating a single integrated part with improved functionality and mechanical strength.

Common inserts include brass, stainless steel, wire, filters, magnets, and electronic contacts.

Unlike overmolding, where plastic is molded over another plastic, insert molding typically involves bonding plastic with non-plastic components.

Advantages That Go Beyond the Mold

Insert molding isn’t just about convenience—it offers real performance advantages:

  • Stronger part assemblies with fewer weak joints

  • Reduced need for adhesives, fasteners, or secondary assembly

  • Enhanced structural and electrical performance

  • Lower production costs and improved repeatability

  • Compact design integration for space-constrained applications

By reducing part counts and potential failure points, insert molding enables a cleaner, more efficient design.

Our Insert Molding Capabilities

At Elite Mold Tech, we specialize in tight-tolerance insert molding using advanced automation and tooling strategies to ensure insert accuracy, orientation, and bonding strength.

당사의 역량은 다음과 같습니다:

  • Manual or robotic insert loading

  • Vertical and horizontal insert molding machines

  • High-temperature and high-performance thermoplastics

  • Precision metal, ceramic, and electronic inserts

  • Custom tooling and short-run to high-volume scalability

We work with materials like ABS, nylon, PEEK, PC, and TPU, and can mold around inserts made of brass, steel, copper, aluminum, and more.

Where Insert Molding Works Best

Insert molding is used across industries where metal-plastic integration is essential. Some typical use cases:

  • 의료 기기 – Embedded sensors, needle hubs, and surgical handles

  • 소비자 가전 – Connectors, plugs, and housings with embedded pins

  • 자동차 – Vibration-resistant threaded components, bushings, and terminals

  • Industrial – Gaskets, enclosures, and handles with reinforcement inserts

Wherever you need to combine the electrical or mechanical properties of metal with the flexibility and form of plastic, insert molding provides the solution.

Precision Engineering That Saves You Time

Insert molding demands precision at every step—from insert placement to plastic flow to mold design. That’s where Elite Mold Tech shines. Our process is designed to prevent insert shift, ensure repeatability, and eliminate costly rework.

We offer:

  • Insert alignment jigs and automation

  • Moldflow analysis for optimal fill

  • Custom tooling with undercut support

  • Strict quality control and inspection

  • Rapid prototyping and pilot runs

Whether you’re producing 100 or 100,000 parts, you get the same level of attention to detail and manufacturing consistency.

왜 엘리트 몰드 기술을 선택해야 할까요?

We combine deep expertise in moldmaking and part design with scalable production capabilities. Our insert molding services reduce costs, improve part performance, and accelerate time-to-market.

Choose us for:

  • Advanced tooling and mold flow analysis

  • In-house insert design and integration support

  • ISO-certified processes and traceability

  • Short lead times and responsive customer support

  • Decades of experience in precision plastic-molded parts

From simple threaded inserts to complex electronics integration, we help your product perform better—right from the mold.

전문가 인사이트 및 업계 동향

엘리트 몰드 테크와 함께 첨단 제조의 최전선을 살펴보세요. 블로그에서는 생산 공정의 효율성, 정밀도 및 혁신을 향상시키기 위한 전문가 인사이트, 업계 동향 및 실용적인 팁을 제공합니다.

자주 묻는 질문

Insert Molding FAQS

  • How accurate is insert placement?

    We use precision jigs and automation to ensure perfect alignment and repeatability. 

  • Is insert molding cost-effective?

    Yes, especially for medium to high volumes where secondary assembly would be more expensive. 

  • Is insert molding cost-effective?

    Yes, especially for medium to high volumes where secondary assembly would be more expensive. 

  • What materials do you use in insert molding?

    We use ABS, nylon, polycarbonate, PEEK, TPU, and other engineering plastics. 

  • Can you automate the insert placement?

    Yes, we offer both manual and robotic insert loading based on production volume. 

  • What types of inserts can you mold around?

    We work with metal inserts, threaded studs, sensors, wires, magnets, and more. 

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