Two-color Mould

2 month ago

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Horizon Mold Chain Co., Ltd

5 month

Product details

TwoShot Injection Molded Parts in Electric Drills: Applications, Scenarios, and Analysis

I. Core Application Scenarios of DualMaterial Parts

1. Ergonomic Optimization

Handle Overmolding: Soft outer layer (e.g., TPE, silicone) for antislip and shock absorption, combined with a rigid inner layer (e.g., ABS) for structural support. Ideal for prolonged use.

Switch Buttons: Rigid substrate + soft elastomer surface for enhanced tactile feedback and accidental touch prevention.

2. Safety and Durability Enhancement

Battery Compartment Cover: Rigid outer shell (e.g., ABS) for circuit protection, paired with soft rubber sealing rings (IP54rated) for dust and water resistance.

Gearbox Housing: Outer layer of impactresistant material (e.g., PC) and inner wearresistant nylon to minimize friction during highspeed operation.

3. Visual and Branding Features

Brand Logo Inserts: Transparent/colorful soft elastomer overlay on rigid substrates for dynamic lighting effects.

Decorative Strips: Dualcolor split designs (e.g., blackred) to enhance product recognition.

II. Typical DualMaterial Parts

1. DualColor Handle Assembly

Materials: ABS + TPE

Advantages: Shock absorption, antislip properties, and reduced fatigue during extended use.

2. Speed Control Switch Module

Materials: PC + silicone

Advantages: Precise tactile response, hightemperature resistance, and oil contamination durability.

3. Battery Interface Cover

Materials: PA66 + rubber

Advantages: Antiprying wear and prevention of metal contact oxidation.

4. Heat Dissipation Grille

Materials: PP + glassfiberreinforced plastic

Advantages: Rigid structure for shape retention and soft elastomer sections for dust filtration.

5. Depth Adjustment Ring

Materials: POM + elastomer

Advantages: Clear engraving markings (rigid section) and smooth rotation (soft contact surface).

III. Specialized Application Scenarios

IndustrialGrade Drills: Combine flameretardant materials (e.g., V0rated PC) with metal inserts for harsh environments (chemical plants, mining).

Household DIY Models: Focus on customizable aesthetics, such as interchangeable dualcolor shells (achieved via snapfit designs for rapid color changes).

IV. Material Selection and Process Considerations

Material Compatibility: Ensure matching melting points and shrinkage rates (e.g., ABSTPE pairing is common).

Mold Costs: Dualmaterial molds are 30%50% more expensive than singlematerial molds but reduce perunit costs in mass production.

Conclusion

Dualmaterial design significantly enhances functionality, safety, and user experience in electric drills, making it ideal for midtohighend tool markets.

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Horizon Mold Chain Co., Ltd

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5 month

Main Product: Plastic Mold, Die Casting Mold, overmoulding , Automobile mold, Outdoor sports mold, Precision part processing

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