Core and Cavity in Injection Molding

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

Hot Products

  • Guides And Other Mould Accessories

    Guides And Other Mould Accessories

    The Mudebao Guides and other Mould Accessories are a comprehensive range of precision-engineered components, meticulously crafted by a renowned China-based manufacturer and supplier. Our company specializes in providing high-quality mould accessories that cater to the diverse needs of the plastic injection molding industry.
  • Zinc CNC Parts

    Zinc CNC Parts

    The Mudebao Zinc CNC Parts represent the epitome of precision and craftsmanship, emanating from a renowned manufacturer and supplier situated in China. As a leading player in the industry, we specialize in offering a comprehensive range of zinc CNC parts that are meticulously designed and manufactured to meet the most stringent quality standards.
  • Precise Inserts

    Precise Inserts

    Mudebao Precise Inserts, a leading manufacturer and supplier from China, specializes in crafting high-precision inserts for a wide array of industrial applications. Our commitment to excellence and attention to detail have earned us a reputation for delivering unparalleled quality and reliability in the market.
  • Urethane Casting

    Urethane Casting

    Mudebao Urethane Casting, a reputable manufacturer and supplier from China, specializes in offering premium-quality urethane casting solutions to a diverse range of industries. With years of experience and expertise in the field, we have established ourselves as a leading provider of custom-made urethane parts and products that meet the highest standards of quality and performance.
  • Casting Urethane Rubber

    Casting Urethane Rubber

    Mudebao's polyurethane cast rubber products undergo rigorous quality control from the very beginning, selecting only the finest raw materials. These chosen polyurethane materials undergo a series of stringent screening processes, possessing exceptional physical properties that lay a solid foundation for the superior performance of the final product.
  • Urethane Casting Process

    Urethane Casting Process

    Mudebao, a leading brand in China's polyurethane casting process industry, has firmly established itself as an industry benchmark for providing high-quality customized polyurethane components and products, thanks to years of deep accumulation and continuous innovation in this field. We are committed to meeting the diverse needs of global customers with exquisite craftsmanship and excellent service, becoming a trusted partner.

Send Inquiry

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept