Prakritis Technologies

Injection Moulding Die Manufacturing 

The tooling used to make plastic items during molding is referred to as the mold or die. Historically, injection molds were primarily employed in high-volume production scenarios where thousands of parts were created due to their prohibitive manufacturing costs. Usually, hardened steel, pre-hardened steel, aluminum, and/or beryllium-copper alloy are used to make molds. The choice of a material for mold construction is primarily an economic one. Steel molds often cost more to build, but because of their longer lifespan, they can produce more components before wearing out, making up for the higher initial cost. Pre-hardened steel molds are typically used for larger components or lesser volume requirements because they are less wear-resistant. The pre-hardened steel has a hardness between 38 and 45 according to the Rockwell-C scale. tempered steel

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Plastic injection mould manufacturing service in delhi

Our Mold Design

Injection moulding single cavity mould design

SINGLE CAVITY MOLD

Single cavity injection mold design is essential for producing high-quality plastic components in smaller production runs. It involves creating a mold with one cavity to manufacture one part per cycle. The process starts with a detailed analysis of the part's geometry, material properties, and production needs. Engineers must address factors like cooling time, injection pressure, and material flow for optimal mold filling and minimal defects. The mold consists of two main halves: the core and the cavity, which require precise machining and alignment. Key considerations also include the placement of gates, runners, and ejector systems to streamline production and facilitate part removal. This meticulous approach is vital for ensuring manufacturing efficiency and success.

Plastic injection moulding double cavity mold design

DOUBLE CAVITY MOLD

Double cavity injection mold design is a technique that enhances manufacturing efficiency by allowing two parts to be produced simultaneously in one cycle. This method significantly reduces cycle times and increases output, making it ideal for high-volume production. Key design considerations include cavity layout, gating systems, and cooling channels to ensure consistent quality and material flow. Additionally, the mold must be structurally sound to endure injection pressures and designed for easy maintenance. By focusing on these elements, manufacturers can improve efficiency and reduce costs in their production processes.

2 axis plastic injection mold design

2 AXIS PLASTIC INJECTION MOLD DESIGN

Designing a 2-axis plastic injection mold requires careful planning to achieve precise and efficient molds for plastic parts. This design involves two axes of movement, enabling the creation of complex shapes and undercuts. The process starts with a deep understanding of the part's geometry and the chosen material, guiding decisions on the mold's cavity, core, gating system, and cooling channels.

Important factors to consider include uniform wall thickness, the reduction of weak points, and optimizing the ejection system for easy part removal. Advanced CAD software is typically employed to simulate the injection process, helping to identify potential issues such as warping or sink marks and allowing for design refinements. The main objective is to create a mold that improves the efficiency of the injection molding process while ensuring high-quality results.

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Get in touch with us at our Delhi location for Metal Mould Design 

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