Plastic injection molded parts refer to manufacturing high-volume plastic components through injection molding technology. Strongd serves automotive, consumer electronics, and medical industries, producing interior trims, connectors, housings, covers, and structural components. From prototype tooling to mass production, we deliver end-to-end solutions.
Advantages
High Efficiency & Cost-Effectiveness
Cycle time: 15–60 seconds per part
Annual capacity: 1M+ parts per mold
Unit cost reduction: Up to 70% vs. CNC machining at scale
Complex Geometry & Consistency
Tolerance: ±0.05mm (ISO 20457)
Wall thickness: 0.5–5mm achievable
Repeatability: >99.5% part-to-part consistency
Material Versatility Process 100+ engineering plastics
Automotive: ABS, PC/ABS, PP-GF30
High-heat: PEEK, PEI (up to 220°C)
Flexible: TPE, TPU (Shore 60A–90A)
Applications
Prototype molds validate designs before production. Key automotive uses include
Interiors: Dashboard panels, air vent grilles
Electronics: Sensor housings, connector bodies
Underhood: Fluid reservoirs, cable clips
Exteriors: Mirror housings, emblem badges
Surface Treatment Enhanced functionality and aesthetics
Texture: VDI 3400 (leather/grain patterns)
Plating: Chrome finish for trim parts
Painting: Class-A automotive finishes (Pantone matched)
Laser etching: Part numbers/branding
IMD/IMF: In-mold decoration for graphics
Why Choose Strongd?
Our IATF 16949-certified team combines 20+ years of mold design expertise with 80+ Toshiba/Arburg presses (50–3000T). We optimize designs for manufacturability (DFM), provide mold flow analysis, and ensure zero-defect production with automated QC. 85% clients reorder within 6 months.
Production Process
Design & Mold Engineering
Review 3D files (STEP, IGES)
DFM report within 24 hours
Mold Fabrication
Mold base: LKM standard (P20/H13 steel)
Cavities: 1–128 cavities (hardened to HRC 52–56)
Lead time: 20–45 days
Material Preparation
Pre-dry resins (dehumidifying hoppers)
Color masterbatch blending
Injection Molding
Clamping force: 50–3000 tons
Parameters: Temp/pressure monitoring (±1%)
Automated Post-Processing
Robot de-gating & trimming
Ultrasonic welding for assemblies
Quality Control
CMM inspection of first/last shots
CTQ dimension checks every 500 shots
Surface Treatment
Apply secondary processes
Packaging
Custom ESD/anti-scratch packaging
Palletizing for bulk shipments
FAQ
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