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High-Precision Plastic Mould for Bumpers - China Suppliers & Factory for Automotive Parts Production
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Plastic mould for bumper.jpg
Plastic mould for bumper (2).jpg

High-Precision Plastic Mould for Bumpers - China Suppliers & Factory for Automotive Parts Production

Plastic molds for bumpers are precision-engineered tools specifically designed for injection molding automotive plastic components, particularly car bumpers. Made from high-quality P20 steel, these molds incorporate an advanced hot runner system, state-of-the-art water cooling technology, and a modular design, ensuring efficient and durable mass production. As a leading supplier in China, our factory produces these molds to meet the demands of high-volume manufacturing, guaranteeing consistent part quality and extending tool lifespan. With minimized cycle times, our products provide optimal performance and reliability, making them the ideal choice for automotive manufacturers seeking top-tier plastic bumpers
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    Product Details

    Product Overview

    This mold uses injection molding to process PP/ABS and other raw materials into highly consistent car bumpers. Its core structure includes a P20 steel mold core, a 45# mold base, a hot runner gate, and a double-groove ejection system. Optimized cooling channels can shorten the molding cycle by 50%, meeting automotive industry standards for light weighting and impact resistance. It is suitable for mass production of exterior parts such as front/rear bumpers and door panels.

    Product Features
    1

    High Precision and Durability

    ◎P20 steel mold core, dimensional error ±0.2mm, lifespan over one million cycles.

    2

    High-Efficiency Cooling

    ◎The water cooling system reduces the molding cycle from 120 seconds to 60 seconds.

    3

    Flexible Configuration

    ◎Supports multiple cavities and adjustable partitions to adapt to different product specifications.

    4

    Advanced Process

    ◎Electrical discharge machining/wire cutting, surface roughness ≤ Ra0.4μm.

    5

    Stable Demolding

    ◎The dual system of pin ejector and ejector plate reduces the risk of mold sticking.

    Use Cases
    Automobile manufacturing

    Automobile Manufacturing

    Mass production of bumpers for gasoline and new energy vehicles to meet pedestrian protection and lightweight requirements.

    Customization needs

    Customization Needs

    Quickly adjust molds to adapt to model changes or special designs.

    Industrialized production

    Industrialized Production

    A single mold can support continuous injection molding of more than 500,000 bumpers.

    Technical Parameters
    Cavity Material P20 steel
    Core Material P20 steel
    Mould Base Material 45#
    Ejection System Pin ejector and ejection plate
    Number of Cavity 2 cavities (right + left)
    Gate Hot runner system + Normal side gate
    Cooling System By water
    Conclusion

    Contact us now for a quote and experience the difference of working with the best in the business.

    Frequently Asked Questions
    Q What materials can this car bumper mold process?
    This mold is designed to process PP (polypropylene), ABS, and other thermoplastic raw materials commonly used in the automotive exterior parts industry. Both materials offer excellent impact resistance and lightweight properties that meet modern automotive standards.
    Q What is the expected lifespan of the mold?
    The mold is built with a P20 steel mold core, which provides a lifespan of over one million injection molding cycles. This ensures long-term reliability and a strong return on investment for high-volume production runs.
    Q How does the cooling system improve production efficiency?
    The mold features an optimized water cooling system that reduces the molding cycle from 120 seconds down to 60 seconds — a 50% reduction. This significantly increases production throughput and lowers per-unit manufacturing costs for large-scale production.
    Q Can the mold be customized to different bumper sizes or vehicle models?
    Yes. The mold supports multiple cavities and features adjustable partitions, allowing it to adapt to various product specifications, model changes, or special design requirements. This flexible configuration makes it suitable for both standard production and custom orders.
    Q What dimensional precision can be achieved with this mold?
    The P20 steel mold core delivers a dimensional error of ±0.2mm, and the EDM/wire-cutting process achieves a surface roughness of ≤ Ra0.4μm. This level of precision ensures highly consistent parts that meet strict automotive quality standards.
    Q What types of automotive exterior parts can be produced with this mold?
    This mold is primarily designed for front and rear car bumpers, and is also suitable for producing other exterior parts such as door panels. It supports continuous injection molding of more than 500,000 bumpers per mold, making it ideal for large-scale industrial production for both gasoline and new energy vehicles.