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ProductsPrecision Large-Format Mold Insert for Automotive Pillar & Interior Trims
Precision Large-Format Mold Insert for Automotive Pillar & Interior Trims
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Precision Large-Format Mold Insert for Automotive Pillar & Interior Trims

Precision Large-Format Mold Insert for Automotive Pillar & Interior Trims | Engineered by JST Mold. Large-Stroke Precision Tooling Design.

Precision Large-Format Mold Insert for Automotive Pillar & Interior Trims | Engineered by JST Mold
Synergy of Design Complexity and Structural Stability — Large-Stroke Precision Tooling Design

This precision-machined mold insert is a prime example of JST Mold’s capability in developing tooling for large-stroke, asymmetrical automotive components. Engineered for parts such as interior pillar trims, door panel inserts, or long structural brackets, this insert handles the dual challenges of deep-draw geometry and long-format dimensional stability. Our advanced manufacturing process ensures that the complex 3D profiles and integrated mounting features are perfectly rendered, providing a reliable foundation for high-volume, defect-free production.
Technical Engineering & Machining Highlights
  • Optimized Long-Format CNC Milling:The visible, high-quality machining paths across the mold surface demonstrate our mastery of high-speed CNC centers on large-scale inserts. This ensures that long-stroke dimensions remain perfectly straight and within micron-level tolerances, preventing part warping—a common issue in long automotive trims.
  • Integrated Mounting & Fastening Features:The insert is designed to form a series of precise mounting bosses and snap-fit clips in a single shot. By integrating these functional features directly into the core geometry, we help our clients reduce secondary assembly costs and improve the overall structural integrity of the vehicle interior.
  • Advanced De-molding & Venting Strategy:For parts with this much surface area and depth, our engineers have optimized the venting and draft angles to ensure effortless part ejection. This prevents drag marks on visible surfaces and allows for faster cycle times in continuous production environments.
  • High-Performance Steel Treatment:Manufactured from premium tool steels like 1.2738H or S136, specifically chosen for their toughness and ability to maintain surface finish under high injection pressures. The steel is hardened to HRC 48-52 to guarantee a production life of 1,000,000+ shots.
The JST Mold Strategic Benefit
  1. Class-A Surface Readiness:We understand that interior trims are tactile and visible. Our processing provides a high-quality finish that is perfectly prepared for OEM-standard graining, texturing, or soft-touch painting.
  1. Reduced Cycle Times:Through meticulous cooling circuit design that follows the part’s long contour, we maximize heat dissipation, helping you achieve more parts per hour and a faster ROI.
  1. Global Tooling Standards:Whether for local use or global export, our molds are built to DME, HASCO, or LKM standards, ensuring they are maintenance-friendly and compatible with any international injection facility. Technical Specifications Overview
  • Component: Large-Format Precision Mold Cavity/Core Insert
  • Application: Automotive Pillar Trims, Door Components, Long Interior Trims
  • Steel Material: Premium Hardened Tool Steel (718H, S136, 1.2344)
  • Machining Tolerance: +/- 0.01mm to 0.015mm
  • Surface Finish: Technical Polish / Texture Ready
  • Mold Life: Designed for 1,000,000+ Shots
  • Compatibility: Large-Tonnage Injection Molding Machines
Key Words Tags

Automotive interior mold, pillar trim tooling, large-format plastic molding, JST Mold precision engineering, car interior plastic parts, long-stroke mold insert, industrial plastic manufacturing, precision CNC mold maker.