Overview
Injection Molding Mold is the design and machining of precision steel molds that form plastic parts at scale. Molten thermoplastic is injected into a hardened core and cavity under high pressure, producing consistent parts.
Product Specifications
|
Category |
Key Information |
|
Tool Steel |
H13 / 1.2344 / S136 (Assab, Buderus, Finkl), heat-treated to 48–52 HRC |
|
Cavitation |
Up to 64 cavities with balanced hot runner design |
|
Machining Precision |
CNC + AgieCharmilles wire EDM, tolerance ±0.005 mm |
|
Core System |
DME / HASCO interchangeable modular core design |
|
Hot Runner System |
Yudo / Mold-Masters / Synventive integration, zero-sprue design |
|
Mold Life |
Class 101 tooling, ≥1,000,000 cycles with maintenance plan |
Key Benefit
Micro-Wall Geometry: Capable of filling 0.4 mm structural walls, primarily applicable for unfilled PP, ABS, and PC parts with a controlled flow length-to-thickness ratio. Optimized gating layouts are implemented to mitigate short shots and material hesitation.
Flash & Parting Line Control: Precision side-action alignment and tailored venting designs. Targeting parting line flash under 0.02 mm under optimal machine clamping tonnage and baseline tool wear limits.
SPI-A1 Optical Polish: Diamond-buffed tooling designated for unfilled PC and PMMA optical components to achieve specified surface finishes and manage cosmetic reject rates.
Undercut & Thread Release: Hydraulic core-pulling and mechanical unscrewing mechanisms engineered for internal threads and deep ribs, assuming minimum required ejection angles are met.
Automated Insert Overmolding: Six-axis robotic indexing for brass bushings and stamped metal plates, achieving a positioning repeatability of \pm0.05 mm during continuous production runs.
Customization & Pre-Production Service
48-Hour DFM Turnaround: Standard manufacturability reports delivered within 48 hours of finalized CAD upload for standard-geometry parts, covering draft angles, thick-section management, and gate positioning.
Pre-Tooling Moldflow® Analysis: Core simulation of filling, packing, warpage, and fiber orientation used to validate gating configurations and identify molding risks before steel cutting.
Multi-Material (2K) Tooling: Engineering capability for two-shot injection molding to establish predictable chemical and mechanical bonding between soft TPE/TPU and rigid substrates.
IP Protection Protocol: Client CAD data is hosted on isolated offline servers and managed strictly under project-specific NDAs with restricted engineering access.
Manufacturing Capacity
Press Tonnage Range
Operating horizontal injection molding machines from 30-ton to 1,200-ton capacity, accommodating micro-components up to large structural enclosures.
Tooling Output
Production capacity to build and qualify approximately 450 medium-to-large injection molds annually, supported by 15 high-speed 3-axis and 5-axis CNC centers with pallet changers.
Plant Infrastructure
A 35,000 sq. ft. facility equipped with centralized resin drying, vacuum feeding systems, and 3-axis/5-axis servo robotics for automated part extraction.
Production Scale
Production runs are optimized based on tooling cavitation and part size, with scalability supporting multi-million part annual contracts.
Quality Control
CMM Verification
Multi-axis Coordinate Measuring Machines utilizing non-contact OGP dimensional validation, operating with a measurement uncertainty within 2 microns (\pm0.002 mm).
Statistical Process Control (SPC)
We use SPC systems to monitor critical-to-quality (CTQ) dimensions in real time, aiming for a stable process capability (typically Cpk > 1.33–1.67 depending on project tolerance requirements).
In-Line Vision Systems
Press-mounted camera sensors deployed on high-volume runs to identify and segregate short shots, flashing, or obvious color streaks at the press.
PPAP Compliance & Traceability
Level 3 PPAP documentation (including FMEA and Control Plans) available upon request, backed by a 7-year retention policy for material certifications and molding parameters logs.
Delivery Terms
Typical T1 sampling lead time ranges from 25 to 35 calendar days following final DFM approval, subject to part complexity and steel availability.
We target a >85% first-time-right (FTR) rate on T1 samples for standard geometries. If T1 dimensions fall outside the specification due to tooling execution, corrective modifications are performed at our expense before T2.
In-house tooling modifications and formal ECN execution are typically completed within 72 hours for minor geometry revisions to minimize production downtime.
Shipments executed under standard Incoterms (FOB, CIF, or DDP) with complete customs clearance and export documentation provided for both air and ocean freight.
Standard payment terms are T/T (telegraphic transfer), typically structured as a deposit before tooling starts and balance before shipment, or as agreed per project milestones.
FAQ
Q: How do you validate that a mold design will work before steel cutting?
A: Before machining begins, we run a digital simulation to predict how the material will behave during injection, including filling balance and potential defect zones. This reduces the risk of trial-and-error during physical sampling.
Q: Can you provide examples of molds you have successfully delivered in similar complexity?
A: Yes, we have completed multiple tooling programs involving thin-wall structures and multi-cavity layouts for consumer and industrial applications. These projects typically go from prototype validation to stable mass production after tooling refinement.
Q: What happens if the first sampling does not meet dimensional requirements?
A: If deviations occur during initial trials, engineering adjustments are performed based on root-cause analysis. The revised tooling is then re-tested until the agreed specifications are achieved.
Q: How do you ensure the production data you provide is reliable?
A: Key production parameters are continuously recorded during molding cycles and cross-checked using inspection systems. This creates a traceable dataset for each production batch.
Q: Do you have independent certification or external quality audits?
A: Quality systems are regularly reviewed under standardized manufacturing audit frameworks. Documentation can be provided upon request for customer verification during supplier qualification.
Q: What level of consistency can be expected in long-term mass production?
A: Once the process is stabilized, we monitor dimensional drift through statistical control methods. This allows early correction before deviations affect downstream production.
Q: How is mold lifetime performance confirmed in real operation?
A: Tool durability is evaluated through production cycle tracking rather than theoretical estimates. Wear conditions are periodically inspected to ensure performance remains within expected thresholds.
Q: Who is responsible for maintenance during high-volume production?
A: We provide structured maintenance guidance and support throughout the tooling lifecycle. Preventive servicing schedules are defined based on production volume and material behavior.
Q: How do you manage engineering risks during complex mold development?
A: Risk points are identified during early design reviews and simulation stages. Each risk is assigned mitigation actions before tooling fabrication begins.
Q: Can the mold be modified after mass production has started?
A: Yes, design changes can be implemented through controlled engineering change procedures. The goal is to minimize production disruption while maintaining dimensional consistency.
