In 2023, after our company purchased High-Speed-CNC of YASDA, a mold factory in the UAE placed an order with us. The order was 13 sets of multi-cavity ultra precision mould bases. The customer has multiple factories in India and Dubai, and has high precision requirements for the mold. We sent reply drawings to customers for each set of mould bases to confirm and negotiate processing requirements such as technology, tolerances, and accessories. Although it was our first collaboration, the process of adaptation was relatively smooth and we were able to quickly cooperate and solve any problems encountered. After nearly two months, all products have been shipped safely.

This visit is the first time that the client has visited our company after cooperating with us. The main purpose is to inspect our equipment and evaluate the possibility of increasing cooperation in the future. The customer mainly visited the steel milling and CNC workshop, and highly appreciated our YASDA brand high-speed CNC machine. Our company also stated that this machine produces most of the customer's products. In addition, the customer also stated that the more than 10 sets of mold blanks received earlier have been put into use and the quality is very good. We also discussed the issue of steel being prone to rusting and mold base components. Our company will put more effort into vacuum packaging and anti rust oil application, and the accessories will also be inspected before being installed on the mold base. The customer is very satisfied with this trip and expressed that they will deepen cooperation with our company.



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Double Injection mold base, or Two-color mold base, or Bi-color mold base. In the dual color injection molding process, this type of mold is designed to sequentially or simultaneously inject two different colored plastic materials into a single mold, thereby producing plastic products with dual or multi-color appearances.





Characteristic

1. Multi cavity design: usually with two or more injection cavities for simultaneous or continuous injection of plastic of different colors or materials. Usually composed of multiple layers of structure. Each layer has different materials or colors, and through the combination of mold bases and injection molding process, the multi color or multi material effect of the product can be achieved. The multi-layer structure enables the dual color non-standard mold base to have a wider range of applications, which can meet the color and material requirements of different products.



2. Complex structure: Due to the need to handle injection molding and bonding of two materials, the structure of the mold base is relatively complex, including rotating mechanisms, sliders, ejection systems, etc. Some parts of the double injection non-standard mold base may have adjustable structures. By adjusting the position or parameters of these parts, fine-tuning of product size, shape, and color can be achieved. The adjustable structure increases the flexibility and adaptability of the mold base, which can meet the personalized needs of different customers.



3. High precision requirements: In order to ensure the appearance quality and dimensional accuracy of dual color products, the manufacturing and installation of the mold base need to meet high precision standards. The double injection non-standard mold base emphasizes precision fit in structural design. The various components of the mold base need to be precisely matched to ensure the stability and accuracy of the mold during use. Precision fitting can reduce friction and wear of the mold during use, improve the service life and manufacturing accuracy of the mold.





Application of mould base

1. Consumer goods: such as phone cases, electronic product accessories, toys, etc., which usually require attractive appearance and feel.



2. Automotive components: Automotive interiors, buttons, switches, etc., two-color injection molding can provide better visual effects and tactile experience.



3. Medical devices: Some medical devices and components also use two-color injection molding technology to improve product recognition and usage safety.





Points for attention

When designing and manufacturing a "Double Injection mold base", special attention should be paid to the following points:



1. Material selection: The two injection molding materials need to have good compatibility and bonding to ensure smooth flow during the injection molding process and the final quality of the product. And it is usually made of high-strength materials to ensure the stability and durability of the mold during use. High strength materials can withstand greater pressure and stress, while also possessing good wear and corrosion resistance. This makes the two-color non-standard mold base suitable for various complex production environments and process requirements



2. Temperature control: During the double color injection molding process, it is necessary to accurately control the temperature of the mold and injection molding machine to ensure the injection quality of different materials.



3. Mold maintenance: Due to its complex structure, the maintenance and upkeep of molds need to be more meticulous and frequent to ensure their long-term performance and stability.



In summary, the "Double Injection Mold Base" is a key component in the double injection molding process, and its design and manufacturing have a significant impact on the final quality and appearance of the product. In practical applications, it is necessary to choose the appropriate mold structure and injection molding process based on specific product requirements and production conditions.

Ordering mold bases separately and considering them separately can bring multiple benefits, mainly reflected in the following aspects:



Cost effectiveness

1. Cost control: Ordering mold bases separately allows manufacturers to select the most suitable mold base materials and specifications based on specific needs, thereby optimizing costs. For example, for specific types of molds, the highest strength mold base may not be required, so lower cost materials or designs can be chosen.

2. Avoid over-investment: In some cases, molds may need to be replaced or adjusted frequently, while mold bases may be relatively stable. Ordering the mold base separately can avoid replacing the entire mold base at the same time during mold replacement, thereby saving costs.



Flexibility and customizability

1. Enhance flexibility: Ordering mold bases separately can provide higher flexibility, and manufacturers can quickly replace or adjust mold bases according to different mold needs to adapt to different production scenarios and product requirements.

2. Strong customizability: The mold base can be customized according to the specific structure and size of the mold, ensuring a perfect match between the mold and the mold base, improving production efficiency and product quality.



Improve production efficiency

1. Simplify mold design: Using standard mold bases can simplify the mold design process, reduce design time and costs. Because the standard mold base has been validated and optimized, it can ensure compatibility with various molds.

2. Shorten manufacturing cycle: Ordering mold bases separately can accelerate the mold manufacturing process. As the mold base is pre manufactured, manufacturers can assemble and debug the mold faster, thereby shortening the production cycle.



Ensure product quality

1. Improve mold stability: The mold base provides stable support and positioning for the mold, ensuring its stability and accuracy during the processing. Ordering the mold base separately can ensure that the quality and performance of the mold base meet high standard requirements, thereby improving the stability and service life of the mold.

2. Easy to repair and replace: When the mold malfunctions or needs maintenance, a separately ordered mold base can be easily replaced or repaired, reducing interference and impact on the production process.



Other advantages

1. Space saving: Some mold bases are designed to be compact and stackable for storage, and ordering mold bases separately can help make more efficient use of storage space.

2. Environmental protection and energy conservation: By optimizing the design of the mold base and material selection, the goals of energy conservation, emission reduction, and environmental impact reduction can be achieved.

In summary, separately ordering mold bases and molds has significant cost-effectiveness, flexibility and customizability, improved production efficiency, guaranteed product quality, and other advantages. These advantages help manufacturers improve their competitiveness and meet constantly changing market demands.

When designing the mold base, it is necessary to pay attention to multiple aspects to ensure that the structural strength, accuracy, maintainability, and safety of the mold base can meet the requirements. Here are some key design considerations:



1、 Structural Strength and Material Selection

Structural strength: The mold base should be able to withstand loads under various working conditions, including self weight, operational loads, etc. Its structural strength must meet relevant standards and specifications to ensure the stability and reliability of the mold during use.

Material selection: The material of the mold base should have sufficient strength and rigidity to withstand corrosion, wear, and impact in the working environment. The commonly used materials include steel, iron, aluminum alloy, etc., and the specific selection needs to be determined according to the usage conditions and requirements of the mold. Common mold steels include S50C, P20, S136H, 718H, XPM, 4Cr13H, etc



2、 Dimensions and Geometric Accuracy

Dimensional accuracy: The dimensions and geometric accuracy of the mold base should meet the design requirements to ensure the assembly accuracy and working performance of the mold components. This includes the overall dimensions of the mold base, the relative positional accuracy of each component, and the surface roughness of the machined surface.

Standardization: Mold base design should use standardized and serialized components as much as possible to facilitate manufacturing, assembly, and maintenance.



3、 Mold installation and commissioning

Installation convenience: The mold base should be designed with a convenient and fast installation and debugging method, so that the mold can be quickly adjusted and adapted to work requirements. This includes reasonable installation interfaces, positioning devices, and debugging mechanisms.

Debugging space: When designing the mold base, the space and tools required for mold debugging should be considered to ensure smooth debugging work.





4、 Mold stability and protection

Stability: The mold base should have a stable structure to ensure the stability and reliability of the mold during operation. This includes reasonable support structures, fastening devices, and limit mechanisms.

Protective measures: The mold base should have necessary protective measures, such as earthquake resistance, corrosion resistance, wear resistance, etc., to extend the service life of the mold. At the same time, the convenience of maintenance and upkeep of the mold should also be considered.



5、 Attachments and Detail Design

Attachment design: The mold base design should consider various accessories required for the mold, such as guide devices, ejector devices, cooling systems, etc., and ensure their good operating condition and reliability.

Detail handling: In the design of the mold base, attention should also be paid to some details, such as the selection and arrangement of cooling water nozzles, the fixing and identification of nameplates, and the convenience of mold lifting and transportation.



6、 Security

Safety regulations: The design of the mold base should comply with relevant safety regulations and take appropriate measures to ensure the personal safety of the operator. This includes setting up safety protection devices, avoiding sharp edges and protrusions, etc.

Emergency measures: In the design of the mold base, possible emergency situations should also be considered, and corresponding emergency measures and rescue plans should be formulated.



In summary, during the design phase of the mold base, attention should be paid to multiple aspects such as structural strength, material selection, size and geometric accuracy, mold installation and debugging, mold stability and protection, accessory and detail design, and safety. By considering these factors comprehensively, a mold base that meets the requirements can be designed, providing strong support for the production and use of molds.

Multi cavity mold, also known as porous mold, is a type of mold that includes multiple cavities in mold design. This type of mold can press or inject multiple products at once, significantly improving production efficiency and reducing production costs. The application fields of multi cavity molds are very extensive, covering multiple industries, including but not limited to the automotive industry, electronic equipment, medical devices, packaging materials, consumer goods, construction, and home furnishings.



Main characteristics and applications of multi cavity molds

1. Improve production efficiency: As multiple products can be molded at once, multi cavity molds can significantly shorten the production cycle and improve production efficiency.

2. Reduce production costs: By reducing the number of mold changes and production preparation time, multi cavity molds can help lower the production cost per unit product.

3. Wide application:

①. Automotive industry: used for manufacturing high-precision and lightweight parts such as instrument panels, headlight lenses, interior parts, engine components, etc.

②. Electronic devices: used for manufacturing plastic components such as casings, connectors, cables, etc., to meet high-precision and insulation requirements.

③. Medical equipment: used for manufacturing medical devices, syringes, infusion bags, etc., to ensure product quality and safety.

④. Packaging materials and containers: such as plastic bottles, food boxes, cosmetic bottles, etc., to achieve rapid production and high-quality manufacturing.

⑤. Consumer goods: such as toys, tableware, shoe soles, etc., meet the needs of low cost, high production efficiency, and beautiful appearance.

⑥. Architecture and Home Furnishings: Manufacturing PVC window frames, drainage systems, insulation materials, furniture, etc. to ensure product quality and durability.



Design points of multi cavity mold

When designing a multi cavity mold, multiple factors need to be considered to ensure the performance of the mold and the quality of the product. These key points include:

Material selection: Select appropriate mold materials based on the molding temperature and plastic material characteristics, such as tool steel, stainless steel, etc., to ensure the heat resistance and mechanical properties of the mold.

Flow channel design: Reasonably design the flow channel structure to ensure uniform flow of plastic in the mold and avoid defects such as bubbles and weld lines.

Cooling system: Design an effective cooling system to improve mold cooling efficiency, shorten molding cycles, and reduce production costs.

Mold cavity design: Based on the structural characteristics of the product and the requirements of the molding process, a reasonable design is carried out to ensure that the mold can accurately replicate the shape and size of the product.

Temperature control system: Establish a stable temperature control system to ensure the stability of mold temperature and avoid quality problems caused by temperature fluctuations.



In summary, multi cavity molds are an indispensable type of mold in modern industrial production, and their high efficiency, low cost, and wide range of applications make them play an important role in multiple industries.