Description:
Our high-precision overmolding molds produce integrated multi-material plastic parts with enhanced functionality. By bonding soft TPE/TPU over rigid substrates, we create durable, ergonomic handles, seals, and components for superior household and industrial products.
Features:
| Basic Info | Specification |
|---|---|
| Application | Tool Handles, Appliance Grips, Sealed Housings, Industrial Components |
| Molding Type | Two-Shot Sequential, Insert Overmolding |
| Design Software | UG NX, Creo, Moldflow |
| Installation Type | Rotary Plate, Shuttle, or Vertical Injection Units |
| Certification | ISO 9001:2015 |
| Brand | OEM/ODM |
| Mold Life | 300,000 to 1 Million+ Shots |
| Mold Material | 718, P20, H13, S136 Stainless Steel |
| Cycle Time | 30 – 80 seconds (process dependent) |
| Lead Time (T1) | 40 – 55 days |
| Dimensional Tolerance | ±0.03mm on critical bonding features |
| Bonding Interface | Chemical or Mechanical, Validated by Peel Test |
| Transport Package | Reinforced Wooden Case |
| Specification | Custom per mold base |
| Trademark | Custom Logo Engraving |
| Origin | Xiamen, China |
Advantages of Overmolding Mold Tooling:
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Integrated Multi-Material Design: Enables the production of single, complex parts combining rigid structural cores with soft, non-slip, or sealed surfaces in one efficient cycle.
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Superior Bonding & Material Compatibility: Expert engineering ensures optimal adhesion between dissimilar plastics (e.g., PC/ABS to TPE, Nylon to TPU), preventing delamination and ensuring product longevity.
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High Precision for Complex Features: Utilizes advanced mold actions (rotary plates, core pulls) to achieve perfect alignment between substrate and overmold, even on intricate geometries.
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Optimized for High-Volume Efficiency: Designed with automated insert handling and efficient cooling to maximize production output and reduce per-part cost for large-scale orders.
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Design for Manufacturability (DFM) Support: Our team provides early-stage analysis to optimize part design, wall thickness, gate locations, and material selection for flawless overmolding production.
Production Process of Overmolding Molds:
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Concept & Feasibility Analysis: Review part design and function to determine the optimal overmolding process (two-shot vs. insert) and material pair for the required bond strength and performance.
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Mold Flow & Structural Simulation: Conduct advanced simulations to analyze plastic flow, bonding line formation, cooling, and potential warpage to pre-emptively solve manufacturing challenges.
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Precision Tooling Fabrication: Fabricate mold cores, cavities, and complex rotary or shuttle mechanisms using high-precision CNC machining, EDM, and deep-hole drilling for cooling channels.
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Mold Assembly & Alignment Calibration: Meticulously assemble the mold with a focus on the precise alignment system between the first-shot and overmold stations to ensure flawless material registration.
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Process Development & T1 Sampling: Install the mold on a compatible injection molding machine. Fine-tune process parameters (temperature, injection speed, timing) to produce first articles with perfect bonding and aesthetics.
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Validation Testing & Customer Approval: Subject T1 samples to rigorous bond strength tests (peel/pull tests), dimensional inspection, and functional checks before submitting for final customer approval.
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Production Launch & Process Monitoring: Begin full-scale production with established process windows and implement Statistical Process Control (SPC) to ensure consistent, high-quality output.
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Post-Processing & Delivery: Conduct minor deflashing if required. Package finished parts appropriately to protect delicate overmolded surfaces during shipping.
Our Advantages:
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Specialized Expertise in Multi-Material Processes: We possess deep technical knowledge in material science, adhesion mechanisms, and the complex tooling required for reliable and repeatable overmolding.
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End-to-End Project Management: We serve as a single-source partner, managing the entire project from initial design consultation and mold fabrication to production validation and final part delivery.
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Focus on Functional Performance & Durability: Our molds are engineered to produce parts that excel in real-world conditions, withstanding repeated use, environmental stress, and maintaining bond integrity.
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Collaborative Engineering Partnership: We work closely with your R&D and design teams to innovate and solve challenges, using overmolding to add value, improve user experience, and enhance product performance.