Product Overview
This is a high-precision 1+1+1+1+1 multi-cavity insert injection mold, professionally engineered for mass production of ABS black plastic mechanical components with metal inserts. Constructed from premium 738H mold steel and featuring VDI-22 spark texture on the front mold surface, this tooling delivers consistent surface quality, long-term durability, and stable performance for industrial use. Equipped with a large submarine gate system, it ensures hidden feeding, no visible gate marks on finished parts, and uniform melt flow across all five cavities. The mold is specially optimized for insert molding processes, perfectly integrating metal components with ABS plastic while solving common challenges such as insert misalignment, material warpage, and surface defects, making it ideal for high-volume manufacturing of precision mechanical parts.
Core Product Specifications
| Specification Item | Detailed Parameters |
| Mold Cavity | 1+1+1+1+1 Multi-Cavity, 5 different parts per cycle for high-efficiency production |
| Applicable Material | ABS (Acrylonitrile Butadiene Styrene) plastic, ideal for mechanical structural components |
| Molding Process | Insert Injection Molding, designed for plastic parts with embedded metal inserts |
| Gating System | Large Submarine Gate (tunnel gate), hidden feeding, no visible marks on finished parts |
| Mold Steel Grade | 738H Mold Steel, pre-hardened, high toughness, wear resistance and dimensional stability |
| Surface Finish | Front Mold with VDI-22 Spark Texture, uniform matte surface for black plastic parts |
| Molded Application | Custom black plastic mechanical components / plastic-metal hybrid structural parts |
| Production Compatibility | Standard injection molding machines, supporting automatic insert loading & production |
| Production Feature | High efficiency, low defect rate, precise insert positioning, suitable for mass production |
![Plastic Metal Mechanical Components Insert Mold]( "Plastic Metal Mechanical Components Insert Mold")
Advanced Mold Design & Manufacturing
1. Multi-Cavity Layout & Insert Molding Precision
The 1+1+1+1+1 multi-cavity design allows simultaneous production of five different mechanical components in a single cycle, significantly improving production efficiency while maintaining consistent quality across all parts. The mold is engineered with precision insert positioning features, ensuring metal components are accurately placed during molding to prevent misalignment, flash, or incomplete encapsulation. This design eliminates common insert molding issues, such as insert shifting or plastic overflow, ensuring perfect integration between metal and ABS plastic.
2. Premium 738H Mold Steel Construction
Built with high-quality 738H pre-hardened mold steel, this tooling offers excellent toughness, thermal stability, and wear resistance. The steel’s uniform hardness ensures the mold maintains its shape and precision even after millions of shots, making it ideal for long-term industrial production. Its high wear resistance also reduces surface degradation caused by repeated insert loading and plastic flow, extending the mold’s service life.
3. Large Submarine Gate System
The large submarine gate design is specifically optimized for the complex geometries of mechanical components. Feeding material through hidden channels, it leaves no visible marks on the exterior surface of the parts, ensuring a clean, professional appearance. The large gate size accommodates the melt flow requirements of ABS plastic, enabling fast, balanced filling across all five cavities and minimizing internal stress to prevent warpage or shrinkage in thick-walled sections.
4. VDI-22 Spark Texture on Front Mold
The front mold surface is finished to VDI-22 spark texture, delivering a consistent matte black appearance that hides minor molding marks and provides a durable, scratch-resistant surface. This texture is particularly well-suited for mechanical components, as it reduces the visibility of fingerprints and minor surface imperfections while enhancing the part’s grip and aesthetic quality.
5. Optimized Cooling & Cycle Efficiency
The mold is equipped with strategically placed cooling channels to ensure uniform and rapid cooling across all cavities. This design shortens cycle times, prevents uneven shrinkage or warpage, and maintains tight dimensional tolerances on critical features such as mounting holes and insert interfaces. Combined with the multi-cavity layout, this cooling system maximizes production efficiency without compromising part quality.
Material Adaptability & Core Advantages
ABS plastic is widely used in mechanical components due to its excellent impact resistance, dimensional stability, and ease of molding. When combined with insert molding technology, it creates hybrid parts that leverage the strength of metal and the versatility of plastic:
Structural Integrity: Metal inserts provide high strength and rigidity, while ABS plastic offers impact resistance and corrosion protection.
Surface Quality: The VDI-22 texture delivers a professional matte black finish, ideal for industrial and mechanical applications.
Cost Efficiency: The multi-cavity design and optimized cycle times reduce per-part costs, making high-volume production more economical.
Consistent Performance: The 738H steel construction and precision insert design ensure uniform part quality, even in long production runs.
Key Applications
This high-precision insert injection mold is designed for manufacturing a wide range of plastic-metal hybrid mechanical components, including:
Electrical connector housings and terminal blocks
Industrial equipment structural brackets and mounting parts
Automotive interior mechanical components and fastener housings
Custom plastic enclosures with embedded metal inserts for electronic devices
Quality Assurance & After-Sales Support
Every injection mold undergoes a rigorous multi-stage quality control process, including:
Steel hardness and material verification
Dimensional accuracy checks of all critical mold features, including insert positioning guides
Surface finish inspection of the VDI-22 textured front mold
Mold trial runs to validate insert molding performance, gate functionality, and part quality
We provide comprehensive after-sales support, including mold maintenance guidance, technical troubleshooting, and modification services, to ensure your production runs smoothly for years to come.
