Household Mold
Your Professional Household Mold Supplier
Our goal is to be your reliable partner for household mold in China. Hengji Mould & Plastic Co.,ltd is specialized in designing and manufacturing of plastic injection molds for automobile interiors&exteriors and lights, as well as injection molding service. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
Why choose us
Production equipment
We have CNC machining centers, five-axis high-speed milling machines, deep-hole drills, EDMs, mold clamping machines, injection molding machines, coordinate measuring machines, and other processing and testing equipment.
Quality control
We strictly adhere to the ISO9001 quality management system and continuously strive for excellent product quality.
Our team
We have a design team staffed with experts in CAE/mold flow analysis, automotive interior and exterior design, and mid- to senior-level technicians. We are a strong and capable team.
Our services
Our team of experts will recommend the most suitable products according to customer needs and provide detailed consultation, we ensure timely delivery, and we provide long-term service support.
Faster time-to-market
In-house injection molding allows for faster time-to-market for new products. With an in-house injection molding facility, businesses can quickly iterate on designs and create custom parts in-house without having to wait for a third-party manufacturer to deliver parts.
Greater control and flexibility
With in-house injection molding, businesses have greater control over their manufacturing processes. They can adjust the process and make changes in real-time, based on their specific needs.
Higher quality parts
In-house injection molding often results in higher quality parts. With an in-house facility, businesses can closely monitor the manufacturing process and ensure that the parts meet their quality standards.
Lower costs
In-house injection molding can also be more cost-effective in the long run. While there May be upfront costs associated with setting up an in-house facility, businesses can save money over time by avoiding the markups and additional costs associated with outsourcing injection molding.
Competitive advantage
In-house injection molding can provide businesses with a competitive advantage. By having an in-house facility, businesses can offer faster turnaround times, higher quality parts, and greater flexibility compared to their competitors who outsource injection molding.
Specification of Household Mold
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Product name |
Household mold |
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Process Combination Type |
Compound Die |
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Runner |
Cold Runner |
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Installation |
Fixed |
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Customized |
Customized |
Variety of shapes: Manufacturers can create a wide variety of differently shaped objects with tight design tolerances.
Texture and finish: The mold surface's texture is directly transferred to the final product. This allows for a wide range of surface finishes, including matte, glossy, or custom textures.
Customization: During manufacturing, it's easy to add specific features like integrated measuring guides, logos, or snap-in compartments.
Rapid production: Molds can produce a high volume of identical products daily, often with cycle times as short as 15–120 seconds. This speed makes injection molding highly suitable for mass production.
Low waste: The process produces very little post-production scrap. Unused or waste plastic from the runners can be reground and reused.
The injection stage begins with the heating of the plastic pellets, which are fed into a hopper on the injection moulding machine. The plastic is then heated until it reaches its melting point and becomes molten. The molten plastic is then injected into the mould under high pressure. The pressure helps to ensure that the plastic fills every corner of the mould and that the final product is free from defects.
The cooling stage begins immediately after the injection of the molten plastic. During this stage, the plastic is cooled and solidifies to take the shape of the mould. The cooling time varies depending on the type of plastic used and the size of the product being manufactured.
Components of Household Mold
Mold base: The mold base or mold frame is the foundational infrastructure for the mold assembly, providing rigidity and strength against the internal pressure experienced during injection molding.
Cavity: The cavity, or cavities, shape the external geometry of the part. The cavity and the core form two halves of the final mold cavity in which the molten plastic is injected.
Core: The core shapes the internal geometry of the part, and mates with the cavity to form the mold cavity. Multi-cavity and family molds will have multiple pairs of cavities and cores for the multiple parts that they produce.
Inserts: Inserts are separate components that may be inserted into the mold to create specific geometric features. They are separate from the cavity and core but also help form the internal and external geometries.
Runner system: The runner system distributes molten plastic throughout the mold cavity to ensure an even distribution of material. They are a network of channels that ultimately end in gates, which are the openings into the mold cavities. Good runner system design is vital for ensuring even material distribution and minimizing defects.
Nozzle & sprue bushing: The nozzle controls how the molten plastic flows into the mold from the feeding system of the injection molding machine. The sprue bushing is a component of the mold that positions the nozzle to ensure it is centered and aligned.
Ejector pins: They are used to help eject the part from the mold after it has solidified and the mold has been opened. The part can potentially stick to the mold cavity, and ejector pins are used to automatically provide a force that ejects the part from the mold.
Cooling system: The cooling system helps maintain the temperature of the mold in order to prevent damage and maintain quality of the finished part.
Venting system: The venting system provides a way for air and gases to escape from the mold during the injection process. This system consists of various channels, pins, and grooves that allow air to escape, but are small enough to keep plastic inside.
Guides: The guides of the mold are a series of bushings, sleeves, and guiding pins on the two halves of the mold that help with alignment and assembly.
Packing and Shipping of Household Mold
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Packing |
Box |
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Shipping |
Shipped by road, sea, rail |
FAQ