Edited by Asiautos Auto Part
The body parts system of the eDeliver3 is a critical assembly designed to meet aerodynamic, aesthetic, and safety requirements. It comprises several key components, including the Front Bumper Skin, Front Bumper Lower Skin , and Fog Lamp Trim . Each part is engineered for durability, pedestrian protection, and integration with the eDeliver3’s electric vehicle (EV) design language. Below is a comprehensive breakdown of these components.
1. Front Bumper Skin
Definition & Function
The Front Bumper Skin, commonly referred to as the "bumper skin," is the outermost visible panel of the front bumper system. It serves multiple purposes:
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Aesthetic Enhancement: Provides the vehicle’s distinctive front-end styling.
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Aerodynamics: Contributes to reducing drag coefficient (Cd) for improved EV range.
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Impact Absorption: Works with underlying crash structures to meet pedestrian safety standards (e.g., Euro NCAP).
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Protection: Shields internal components (radiator, sensors, etc.) from minor impacts.
Material & Manufacturing
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Material: Typically made from thermoplastic olefin (TPO), polypropylene (PP), or polycarbonate blends for balance of flexibility and rigidity.
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Production Process: Injection molding with UV-resistant coatings to prevent fading.
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Weight Optimization: Lightweight design (~3–5 kg) to maximize EV efficiency.
Design Features
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Grille Integration: Accommodates airflow channels for battery/brake cooling.
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Sensor Cutouts: Precisely molded openings for ADAS (Advanced Driver Assistance Systems) like radar and cameras.
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Paint Compatibility: Pre-treated for adhesion of automotive-grade paints.
Installation & Compatibility
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Mounts to the bumper reinforcement bar via clips and screws.
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Aligns with fenders, headlamps, and hood panels for seamless fitment.
2. Front Bumper Lower Skin
Definition & Function
The Front Bumper Lower Skin is a secondary panel beneath the primary bumper cover, focusing on:
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Underbody Airflow Management: Directs air to reduce turbulence beneath the vehicle.
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Debris Protection: Prevents road debris (stones, water) from damaging chassis components.
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Styling Continuity: Complements the upper bumper’s design language.
Material & Durability
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Material: Often uses reinforced PP or ABS plastic for impact resistance.
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Texture: May feature a matte or textured finish to mask scratches.
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Weight: ~1.5–3 kg, with ribbed structures for rigidity.
Key Design Aspects
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Aero Channels: Guides air around tires or into cooling ducts.
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Skid Plate Integration: Some variants include replaceable skid pads for off-road models.
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Modularity: Designed for easy removal during maintenance (e.g., oil changes in hybrid variants).
Installation Notes
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Attaches via bolts and snap-fasteners to the bumper beam or subframe.
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May incorporate quick-release clips for serviceability.
3. Fog Lamp Trim
Definition & Function
The Fog Lamp Trim is a trim piece surrounding the fog light assembly, serving:
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Aesthetic Purpose: Enhances the bumper’s visual appeal with chrome, gloss black, or body-colored finishes.
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Protection: Shields fog lights from dirt and minor impacts.
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Airflow Direction: Some designs include vents to channel air toward brakes.
Material & Finishes
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Base Material: ABS plastic or polycarbonate for dimensional stability.
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Surface Treatments: Options include:
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Painted finishes (matched to body color).
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Chrome plating (for premium trims).
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Textured black (sporty models).
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Design Variations
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Sport Models: Larger, aggressive garnishes with mesh inserts.
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Luxury Models: Minimalist designs with LED accent lighting.
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EV-Specific: May house aerodynamic flaps or sensors.
Installation & Compatibility
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Secured via adhesive tapes or screws to the bumper cover.
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Aligns with fog lamp housing and bumper contours.
Integration & Safety Considerations
Pedestrian Protection
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Front Bumper Skin: Engineered to deform predictably in collisions to reduce leg injuries.
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Front Bumper Lower Skin: Rounded edges to minimize impact severity.
EV-Specific Adaptations
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Cooling Ducts: Some variants replace fog lamp garnishes with airflow guides for battery thermal management.
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Sensor Housing: Garnishes may embed ultrasonic sensors for parking assistance.
Regulatory Compliance
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Meets ECE R42 (impact resistance) and ISO 179-2 (material toughness) standards.
Conclusion
The eDeliver3’s front bumper system—comprising the Front Bumper Skin, Front Bumper Lower Skin , and Fog Lamp Trim—is a harmonized blend of form and function. From aerodynamic efficiency to crash safety and aesthetic refinement, each component plays a vital role in the vehicle’s design. Advanced materials, modular construction, and EV-specific adaptations ensure the system aligns with modern automotive demands.
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