Metal Insert Moulded Components
Combine the strength of metal with the versatility of plastic. Our precision insert moulding solutions seamlessly encapsulate metal pins, threaded brass inserts, and electrical terminals, creating robust, unified components that reduce assembly time and improve product reliability.
Product Overview
Plastic insert moulding is a highly specialized manufacturing process that Tech Plastics has perfected for over a decade. This process involves placing a pre-formed component—typically a metal insert like a threaded brass nut, steel pin, or copper electrical terminal—into a mould cavity before injecting molten thermoplastic around it. The result is a single, strongly bonded, integrated part that leverages the mechanical strength or electrical conductivity of the metal insert alongside the lightweight, insulative, and complex shaping capabilities of engineering plastics.
Industries rely on insert moulding to eliminate secondary assembly steps, reduce part weight, and significantly enhance the pull-out and torque-out strength of fasteners. Our manufacturing precision is critical in this process; our robotic handling systems and vertical injection moulding machines ensure exact insert placement, preventing mould damage and ensuring zero flash over critical contact areas. We accommodate a wide array of customization capabilities, moulding over diverse insert geometries with high-performance resins engineered to withstand severe thermal expansion differentials without cracking or warping.
Insert Moulding Products
What It Delivers
- ✓ Precision Injection Moulding for exact insert encapsulation
- ✓ High Dimensional Accuracy maintaining insert positioning
- ✓ Durable Engineering Plastics to prevent stress cracking
- ✓ Custom Sizes for diverse metal inserts
- ✓ OEM Manufacturing for critical automotive and electrical parts
- ✓ Heat Resistance utilizing advanced thermoplastics
- ✓ Elimination of secondary assembly processes
- ✓ High pull-out and torque-out resistance
- ✓ Superior dielectric strength for electrical components
- ✓ Cost Effective Production by combining manufacturing steps
Where It Performs
- ✓ Automotive sensors, switches, and under-hood components
- ✓ Electrical terminal blocks and connectors
- ✓ Electronics housings with integrated mounting points
- ✓ Medical Devices requiring over-moulded metal surgical instruments
- ✓ Industrial Equipment control panels
- ✓ Consumer Products requiring robust threaded joints
Materials Used
We utilize PBT GF20, PPS GF40, PA66 GF30, and ABS. Glass-filled PBT and PA66 are favored for their excellent mechanical strength and thermal stability, which closely matches the thermal expansion coefficient of metal inserts, preventing stress fractures.
The Tech Plastics Advantage
- ✓ Dramatically reduces assembly and labor costs
- ✓ Reduces the size and weight of the final component
- ✓ Improves component reliability by eliminating loose parts
- ✓ Provides exceptional resistance to vibration and loosening
- ✓ Enhances structural integrity with strong metal-to-plastic bonds
- ✓ Increases design flexibility for complex geometries
- ✓ Provides excellent electrical insulation around conductive parts
- ✓ Maintains a clean, flash-free aesthetic finish
- ✓ Optimizes supply chain by sourcing a completed sub-assembly
Why Choose Tech Plastics
- Modern Manufacturing Facility equipped with vertical injection machines
- High Precision Machines for delicate insert loading
- Experienced Engineers specializing in insert-plastic compatibility
- Strict Quality Control including X-ray or pull-force testing
- Custom Product Development for complex over-moulding
- Competitive Pricing through reduced assembly labor
- Fast Delivery backed by automated production cells
- Reliable Production with zero insert-damage guarantees
Ready to start?
Streamline your assembly process with precision plastic insert moulding. Contact our engineering team today.
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