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High Precision Injection Mold Injection Molded Plastic Mounting Bracket

This high-performance plastic mounting bracket is engineered for automotive and industrial applications, delivering a lightweight yet rigid solution for securing electronic control units (ECUs), sensors, and critical components. Designed with precision-engineered mounting points and reinforced grid ribs, it ensures stable installation in high-vibration environments while meeting strict weight and durability requirements.
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  • yixun

  • yixunmold

This high-performance plastic mounting bracket is 100% manufactured via precision injection molding, engineered for automotive and industrial applications. It delivers a lightweight yet rigid solution for securing electronic control units (ECUs), sensors, and critical components, with precision-engineered mounting points and reinforced grid ribs to ensure stable installation in high-vibration environments.

Key Features (Injection Molding Advantages)

1. Material & Durability

  • PA66+GF30 Construction: 30% glass fiber reinforced polyamide 66, ideal for injection molding, provides exceptional tensile strength, heat resistance (up to 120°C), and chemical resistance to oils, fuels, and industrial fluids.

  • Consistent Quality: Injection molding ensures uniform material distribution and mechanical properties across every part, with no weak points from manual assembly.

  • Long Service Life: Resists fatigue, impact, and UV degradation, making it ideal for under-hood automotive and heavy-duty industrial use.

  • Flame Retardant Option: Available with UL94 V-0 flame retardant rating for safety-critical applications.

2. Structural Design (Optimized for Injection Molding)

  • Reinforced Grid Ribs: Uniformly distributed ribbing, designed for efficient mold filling, maximizes rigidity while minimizing weight, preventing warping and ensuring dimensional stability under load.

  • Multi-Point Mounting:

    • 4 large corner holes (Φ12mm) for robust chassis/body attachment.

    • 8 precision-drilled small holes (Φ4mm) and 4 square slots for component-level positioning.

    • Central alignment hole (Φ8mm) for fast, accurate assembly.

  • Draft Angles & Undercut Design: All features are optimized for injection molding, with proper draft angles to ensure easy demolding and no damage to part surfaces.

  • Symmetrical Geometry: Compact design fits tight spaces while maintaining load-bearing capacity, with balanced flow paths for consistent molding.

3. Precision Manufacturing (Injection Molding Process)

  • High-Precision Injection Molds: Produced using CNC-machined injection molds with tight tolerances (±0.05mm) for consistent fit and interchangeability across all parts.

  • Fully Automated Production: Injection molding enables high-volume, repeatable production with minimal defects, reducing labor costs and ensuring 100% dimensional inspection for critical features.

  • Efficient Material Utilization: Minimal material waste due to precise cavity filling, with runners and sprues recyclable for sustainable manufacturing.

  • Customizable: Injection molding allows for easy customization of materials (PBT, PP+GF), colors, and hole configurations to match specific application requirements, with low tooling modification costs.


Technical Specifications

Parameter Value
Material PA66+GF30 (standard)
Dimensions 120mm (L) × 70mm (W) × 10mm (H)
Mounting Holes 4×Φ12mm, 8×Φ4mm, 1×Φ8mm, 4×Square Slots
Weight 28g
Heat Resistance -40°C to 120°C
Tensile Strength 150 MPa
Flexural Modulus 6500 MPa
Color Black (standard, customizable)
Tolerance ±0.05mm (critical features)
Production Process Precision Injection Molding

Applications

Automotive

  • ECU mounting brackets

  • Sensor holders (temperature, pressure, speed)

  • Headlight assembly supports

  • Interior component mounting bases

Industrial

  • Industrial control module brackets

  • Sensor and actuator mounting plates

  • Robotics component fixtures

  • Electrical cabinet mounting frames


Why Choose Our Injection Molded Bracket?

✅ Precision & Consistency: Injection molding ensures every part meets tight dimensional tolerances, with zero variation between units.
✅ Cost-Effective High Volume: Ideal for mass production, with low per-unit costs and fast cycle times (15–25 seconds per part).
✅ Lightweight & Strong: Glass fiber reinforcement delivers metal-like strength at 1/3 the weight of steel brackets, with efficient material use.
✅ Design Flexibility: Injection molding supports complex geometries, undercuts, and custom features that are impossible with other manufacturing methods.
✅ Sustainable Manufacturing: Recyclable material and minimal waste, aligning with eco-friendly production goals.

Packaging & Shipping

  • Packaging: Anti-static bags + corrugated cartons (bulk packaging available for large orders).

  • Lead Time: 15–25 days for mold fabrication + initial production; 7–10 days for reorders.

  • Shipping: Express (DHL/UPS/FedEx) or sea freight options available.


Custom Injection Molding Support

We provide full-service custom injection molding solutions:
  • DFM (Design for Manufacturing) analysis to optimize your part for injection molding.

  • Mold design, fabrication, and validation (single-cavity to multi-cavity molds).

  • Material selection guidance (PA66, PBT, PP, PC, etc.).

  • Prototyping and small-batch testing.

  • High-volume production with automated quality control.

Injection Molded Plastic Mounting Brackethigh precision plastic parts

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