Product Introduction
This is a high-efficiency industrial-grade injection mold specially designed for producing electrical equipment housings, instrument shells and electronic protective covers. Adopting a mature 1*4 cavity balanced layout, the mold is equipped with direct gate and horn runner system to deliver fast, uniform and stable plastic filling. The entire mold structure is built with imported 1.2083ESR high-purity stainless mold steel, heat-treated to HRC 48-52 hardness for excellent rigidity and wear resistance. The core surface adopts standard semi-polish finish to ensure smooth demolding and stable mass production, while the cavity retains fine smoothness for clean shell appearance. This mold is ideal for high-volume, cost-effective production of various industrial and electrical plastic housing parts.
Technical Parameter
| Item | Specification |
| Mold Cavity | 1*4 Cavity |
| Gating Type | Direct Gate + Horn Runner |
| Mold Steel | 1.2083ESR Stainless Steel |
| Hardness | HRC 48-52 |
| Core Surface | Semi-Polish Finish |
| Cavity Surface | Fine Smooth Polish |
| Molded Product | Electrical Equipment Housing, Instrument Shell, Control Box Cover |
| Applicable Material | PC, ABS, PP and other engineering plastics |
| Mold Life | 500,000+ Shots |
![Household Plastic Parts Moulding]( "Household Plastic Parts Moulding")
Unique Mold Advantages
1. Stable 1×4 Multi-Cavity Mass Production
The four-cavity symmetrical balanced design greatly improves production efficiency and reduces unit cost. Each cavity features identical runner distance, injection pressure and cooling cycle, ensuring every finished housing shell has consistent size, flatness and wall thickness. It perfectly supports long-term continuous industrial batch production.
2. Direct Gate & Horn Runner Stable Filling System
The combination of direct gate and arc horn runner optimizes the plastic flow path. It effectively reduces melt turbulence, lowers injection pressure loss, and avoids common defects such as weld lines, shrinkage dents and incomplete filling. This gating structure provides faster cycle time and highly stable molding quality for medium and large plastic housing shells.
3. 1.2083ESR Steel Ensures Long Service Life
1.2083ESR is ESR refined ultra-clean mold steel with superior anti-corrosion, anti-rust and polishing performance. After vacuum quenching to HRC 48-52, the mold achieves high surface hardness and strong compression resistance. It is not easy to wear or deform during long-term repeated injection, maintaining high precision for years of production.
4. Scientific Semi-Polish Core Design for Higher Yield
Different from full-gloss molds, the semi-polished core provides moderate surface roughness, which effectively prevents vacuum suction, product sticking and ejection deformation. It greatly improves demolding smoothness and reduces defective rate in mass production, making it the most practical surface treatment for industrial equipment shell molds.
Finished Product Features
High Structural Stability: Uniform wall thickness, no deformation, strong compression resistance
Smooth Outer Surface: Clean surface without weld lines, flow marks or burrs
Excellent Assembly Tolerance: Precise dimension control for tight fitting
Strong Durability: Anti-aging, insulation and corrosion resistance
Low Defect Rate: Stable molding and smooth demolding for mass production
Application Range
Electrical equipment outer housing shells
Industrial instrument and meter plastic casings
Electronic control box and junction box covers
Smart device and electrical module protective shells
FAQ
Q1: Why use horn runner for housing molds?A: Horn runner provides arc smooth flow path, reduces melt shear force, avoids surface defects, and ensures full filling for thick and thin wall housing structures.
Q2: What is the benefit of semi-polish core?A: Semi-polish core prevents vacuum sticking during demolding, improves production stability and reduces deformed products, which is more suitable for industrial shell mass production than full gloss.
Q3: Is 1.2083ESR good for long-term production?A: Yes. 1.2083ESR has stable hardness, excellent rust resistance and wear resistance, perfectly suitable for long-cycle and high-volume injection molding.
Q4: Can I customize the shell shape and logo?A: Full customization is available for size, structure, hole position, texture and laser logo according to your drawings or samples.
