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Injection Molding

Automotive Trim Tooling | High-Precision Large-Scale Molding

Performance-Driven Large Injection Mold for Automotive Trim Components | Precision Engineering by JST Mold

Specifications

Mold Steel:
1.2738HH / 1.2311 (Pre-hardened HRC 34-38 for Structural Scale Stability)
Gating System:
Sequential Valve Hot Runner (Ensures Zero-Weld-Line A-Surface Integrity)
Cooling Logic:
Independent Multi-Circuit Architecture / High-Flow Red-Blue Manifolds
Mechanism:
Heavy-Duty Hydraulic Core-Pulling / Precision Lateral Slide System
Tolerance:
+/- 0.10mm (Strict Warpage Control & Assembly Gap Precision)
Surface Treatment:
VDI 3400 Ref. 27-33 / Specialized OEM Technical Graining
Validation Standard:
1.0M Shots Warranty / CPK > 1.67 / T1 Full Dimensional CMM Report

Product Description:

Performance-driven large-scale mold engineered for automotive trim systems requiring extreme profile accuracy and flawless surface quality. Features an advanced thermal management architecture with independent circuit control to significantly reduce cycle times and prevent part deformation. Designed for high-volume Tier-1 production environments, integrating modular inserts and DLC-coated guidance to ensure maximum uptime and seamless automated assembly fitment.



Bridging Structural Integrity and Visual Perfection


This large-scale injection mold is specifically engineered for high-visibility automotive interior components, such as door panels, pillar trims, or center console covers. In the automotive world, the "Class-A" surface requirement is non-negotiable. This tooling is designed to eliminate common injection defects like weld lines, sink marks, and air traps, ensuring that every part ejected is ready for premium graining or soft-touch coating. By integrating heavy-duty hydraulic core-pulling with a sophisticated hot runner system, JST Mold provides a solution that balances extreme structural complexity with aesthetic excellence.



Technical Integration & Performance Highlights

  • Synchronized Hydraulic Side-Action:The prominent red hydraulic cylinders represent our mastery of complex core-pulling. This system allows for the precise molding of multiple lateral undercuts and attachment clips in a single shot, ensuring perfect part functionality without sacrificing cycle time.
  • Advanced Thermal Management System:The extensive network of high-flow cooling lines (blue hoses) is strategically mapped to the part’s geometry. This ensures uniform temperature distribution across the large cavity surface, preventing warping and achieving a highly consistent, dimensionally stable output.
  • Precision Alignment for Large Parts:Featuring oversized, hardened leader pins and interlocking blocks, the mold maintains micron-level registration between the core and cavity. This prevents flash even under the massive clamping forces required for large-format automotive components.
  • Optimized Hot Runner Manifold:Equipped with a high-performance hot runner system that ensures a balanced melt flow. This is critical for maintaining uniform part density and weight across large surface areas, which is a key requirement for Tier-1 automotive quality standards.
    

    

The JST Mold Competitive Edge

  1. Engineered for High-Volume OEM Production:Built with premium pre-hardened and hardened tool steels (1.2738H, 718H, or H13), our molds are designed for 24/7 industrial use with a life span exceeding 1,000,000 shots.
  1. Design for Manufacturing (DFM) Focus:We provide in-depth Mold Flow analysis and part optimization consulting before production, significantly reducing the "time-to-market" for your new vehicle programs.
  1. Global Standard Compliance:All our large-scale tools are built to international standards (LKM, HASCO, DME), making them ready for seamless integration into any global manufacturing facility.

Technical Specifications

  • Tooling Type: Large-Scale Automotive Interior Mold
  • Core-Pulling: Automated Hydraulic Cylinders
  • Surface Standard: Automotive Class-A / Texture Ready
  • Steel Material: Premium Hardened Tool Steel (P20, 718H, 1.2344)
  • Runner System: High-Precision Sequential Hot Runner
  • Tolerance: +/- 0.02mm across large dimensions
  • Application: Vehicle interiors, door modules, pillars, and structural trim