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Core and Cavity in Injection Molding: Precision Components for Superior Manufacturing

Injection molding is a highly efficient manufacturing process that relies heavily on the quality and precision of core and cavity components. The Core and Cavity for Injection Molding are critical elements that define the final shape, dimensions, and surface finish of plastic parts. These components work together within the mold to form the desired product, ensuring consistency and accuracy across high-volume production runs. Properly designed and manufactured cores and cavities contribute to reduced cycle times, minimized defects, and extended mold lifespan, making them essential for industries such as automotive, medical, consumer goods, and packaging. By leveraging advanced materials and precision engineering techniques, our Core and Cavity for Injection Molding solutions offer reliability and performance that meet the stringent demands of modern manufacturing.


Our high-performance core and cavity sets are engineered to deliver exceptional durability and dimensional stability under extreme operating conditions. These components are manufactured using premium-grade tool steels, such as H13, P20, and S7, which provide excellent wear resistance, hardness, and thermal conductivity. Each core and cavity unit undergoes a rigorous quality assurance process, including CNC machining, EDM (Electrical Discharge Machining), and precision grinding, to ensure tight tolerances and flawless surface finishes. Additionally, advanced heat treatment processes enhance the mechanical properties, preventing premature failure and maintaining consistent performance over thousands of cycles. With our commitment to innovation and quality, the 'PrecisionCore-Cavity System' sets a new standard for injection molding tooling, enabling manufacturers to achieve higher productivity and superior part quality.

Product Specifications

  • Material Options: H13 Tool Steel, P20 Steel, S7 Steel, Stainless Steel
  • Hardness Range: 48-60 HRC (Rockwell Hardness Scale)
  • Surface Finish: Ra 0.025-0.4 μm (Mirror to Fine Texture)
  • Tolerance: ±0.01 mm (Standard), ±0.005 mm (High Precision)
  • Heat Treatment: Vacuum Hardening, Tempering, Nitriding
  • Compatibility: Customizable for various injection molding machines and plastic resins
  • Lifespan: 500,000 to 1,000,000+ cycles, depending on material and application

Material Properties Comparison

Material Hardness (HRC) Wear Resistance Thermal Conductivity Typical Applications
H13 Tool Steel 48-52 High Moderate Automotive parts, high-temperature resins
P20 Steel 28-32 Medium Good Consumer goods, packaging
S7 Steel 56-58 Very High Moderate Medical devices, precision components
Stainless Steel 30-40 Medium Low Food-grade products, corrosive environments

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