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Hot Runner System

Dongguan Shengqi mould Fittings Co., Ltd. specializes in the production of non-standard mould fittings, mould parts assembly, screw core, cosmetic inserts, medical instrument inserts, pen model cores, gear racks, wear-resistant blocks, guide posts, guide sleeves, pull rods, thimbles, positioning pins, cylindrical pins, five metal mould fittings, lathe parts processing, CNC CNC lathe processing and other products. Welcome to the drawings and samples for processing and customization! Dongguan Shengqi mould Fittings Co., Ltd. specializes in the production of non-standard mould fittings, mould parts assembly, screw core, cosmetic inserts, medical instrument inserts, pen model cores, gear racks, wear-resistant blocks, guide posts, guide sleeves, pull rods, thimbles, positioning pins, cylindrical pins, five metal mould fittings, lathe parts processing, CNC CNC lathe processing and other products. Welcome to the drawings and samples for processing and customization!
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What is Hot Runner System?

A hot runner system is a type of injection molding system used in the production of plastic parts. It is designed to keep the plastic material in a molten state as it travels through the mold cavity.


The hot runner system consists of a manifold, nozzles, and a temperature controller. The manifold distributes the molten plastic to the nozzles, which then inject the plastic into the mold cavity. The temperature controller maintains a consistent temperature in the system to ensure proper flow of the plastic material.


One of the main advantages of using a hot runner system is that it reduces the amount of waste material produced during the injection molding process. Because the plastic material is kept in a molten state, there is no need for it to be re-melted each time the mold is filled, which can result in significant material savings. Additionally, hot runner systems can improve the quality of the finished product by reducing the likelihood of defects such as warping and sink marks.


Product Description:

Mold parts are the components and basic components of the mold. A complete set of mold is composed of mold base, guide assembly, punching assembly, nitrogen spring, pneumatic assembly, fixed seat, sliding and wear-resistant guide plate, wedge mechanism and many other parts and functional elements. Therefore, the mold parts industry is the core supporting industry in the upstream of the mold industry. The rapid development of mold industry and the continuous expansion of market capacity have driven the rapid growth of mold parts industry; The specialization and commercialization of mold parts production also promotes the modernization of mold industry.


The materials used are: SKD61, SKD11 and skd51


Different types of hot runner system

There are several different types of hot runner systems that are commonly used in injection molding. Here are some of the most common types:


1. Hot Sprue: In a hot sprue system, the plastic is injected into the mold cavity through a heated sprue bushing. This is the simplest type of hot runner system and is commonly used for small to medium-sized parts.


2. Valve Gate: A valve gate hot runner system uses a mechanical valve to control the flow of plastic into the mold cavity. This allows for precise control over the injection process and is commonly used for parts with complex geometries.


3. Insulated Runner: In an insulated runner system, the runner channels are insulated to prevent the plastic from cooling and solidifying as it travels through the system. This can help to reduce waste material and improve part quality.


4. Manifold: A manifold hot runner system uses a central manifold to distribute the plastic to the individual nozzles. This is commonly used for larger parts or for molds with multiple cavities.


5. Sequential Valve Gate: A sequential valve gate system allows for the injection of different materials or colors into the same mold. This can be useful for creating multi-colored or multi-material parts.


Application of Hot Runner System

Hot runner systems are widely used in the production of plastic parts across many industries. Here are some of the most common applications of hot runner systems:


1. Automotive: Hot runner systems are used to produce a variety of plastic components in the automotive industry, including interior and exterior trim, electrical components, and engine parts.


2. Consumer Products: Hot runner systems are used to produce a wide range of consumer products, including toys, housewares, and electronics.


3. Medical Devices: Hot runner systems are used to produce medical devices such as syringes, IV components, and diagnostic equipment.


4. Packaging: Hot runner systems are used to produce a variety of packaging products, including containers, caps, and closures.


5. Aerospace: Hot runner systems are used to produce plastic components for the aerospace industry, including interior cabin parts and exterior components.


Shengqi Hot Runner System Service

Dongguan Shengqi Precision Mould Accessories Manufacturer is a leading provider of high-quality hot runner system services for injection molding applications. Our hot runner systems are designed to improve the efficiency and quality of the injection molding process, while also reducing waste and improving overall cost-effectiveness.


Our team of experienced engineers and technicians can work with you to design and manufacture a customized hot runner system that meets your specific needs and requirements. We use only the highest quality materials and components in our hot runner systems, ensuring that they are reliable, durable, and long-lasting.


Whether you are producing plastic parts for the automotive industry, consumer products, medical devices, or aerospace applications, our hot runner systems can help you to achieve superior results. Contact us today to learn more about our hot runner system services and how we can help you to optimize your injection molding process.




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