Multi-material injection molding combines two materials within a single molding cycle. Processes that once required two machines and manual assembly can be integrated into one machine, reducing steps and floor space.
Different materials, molds, and space requirements call for different solutions. To meet these needs, Welltec has developed a comprehensive multi-material injection molding lineup.
P Parallel Multi-Material Series
Clear Separation, Precise Molding
For parts with clearly defined color or material zones, the coordination of the two injection units, injection control, and mold positioning all affect interface quality and production consistency.
The P Series features two independently controlled injection units in a parallel layout, working together within one molding cycle for two-color or dual-material molding.
Main and secondary shot volumes can be flexibly matched to product requirements. The machine also supports both single-color and two-color production, offering greater flexibility for different materials and product specifications. Its square platen provides more balanced force distribution in four directions, supporting mold installation and precision molding.
From injection unit configuration to platen structure, the P series provides a stable foundation for products with clearly defined color or material zones.
FT/FTS Series
Flexible Injection Direction for Different Mold Structures
Some multi-material parts require the second material to be injected from the side or top due to product structure and gate location. The position of the secondary injection unit also affects mold installation, part removal and automation layout.
FT-SeIII features a right-angle injection layout, with the main and secondary units injecting from perpendicular directions. Its wide platen and large tie bar spacing provide more space for mold installation.
It supports either two split molds or one integrated mold. Split molds offers a more direct runner layout, helping simplify mold fabrication and control costs.
FTS adopts a piggyback layout, with the secondary injection unit positioned above the main unit. This makes use of the upper space for second-material injection, supporting top-gating and related mold structures.
The two injection units are independently controlled and can work with a servo rotary table for applications such as single-side overmolding and partial penetration molding. Electric plasticizing can also run simultaneously with mold opening and part removal, reducing cycle waiting time.
PS Sandwich Injection Series
Sandwich Molding Without Changing Existing Molds
For manufactures with matured products and existing molds, developing new molds means extra
investment and longer lead time for new processes.
The PS series enables sandwich injection molding without any mold modification, allowing manufactures to continue using current molds while introducing different materials for the skin and core layers.
Dual injection units in parallel layout. Total machine footprint is only 1.2-1.5 times that of standard injection machine of similar specification, enabling dual-material molding while keeping space requirements under control.
High rigidity platen ensures stable molding and higher yield. Flexible mold-change design accommodates different product sizes and styles.
For material selection, premium material can be used for the outer layer to maintain appearance and performance. High-strength materials can be used for the core. The skin-to-core ratio can be adjusted according to appearance, structure, performance and cost requirements, significantly reducing material costs per part.
Match the Multi-Material Solution to the Product
The right multi-material solution starts with the product and production needs. Material combinations, mold structure, gate position, molding requirements, and workshop layout all influence the machine configuration. By considering these factors together, Welltec provides a multi-material molding solution tailored to real production needs.
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CPC Index, fully known as China Plastic City Raw Material Price Index, is an important tool to reflect the price trend of plastic raw materials in China Plastic City. The launch of this index aims to provide a reliable reference basis for the majority of plastics industry enterprises to help them better grasp market trends and formulate business strategies.
As the "Industrial Information Operation Situation Index Enterprise" designated by the Ministry of Industry and Information Technology, our company is well aware of the industry's urgent need for accurate and timely plastic price information. Therefore, we officially launched the plastic index in June 2011, providing a professional and authoritative price reference for the majority of plastic enterprises.
The average price is an average price obtained through scientific calculation by our platform according to the price of various plastic products in the whole Chinese market. This average price not only reflects the reference price level of the market as a whole, but also is calculated based on the specific price situation of each sub-brand. In short, the average price is a comprehensive indicator, which reflects the average price level of various plastic products in the Chinese market during a certain period.
By viewing the average price of the market, you can understand the average price trend of various plastic products in a specific period. This helps you to better understand the market dynamics, supply and demand of various products and market competition.
The market reference price refers to the accurate and timely quotation provided by several large traders or agents of a certain brand in China Plastics City. We take the reference price of the brand in Yuyao area on the same day according to the price provided by them. The firm that provides the price is listed as the index gathering firm.
Through the market reference price, you can understand the average price level of the current market, so as to better formulate purchasing, sales and other business strategies. At the same time, the market reference price is also an important basis for users to analyze and forecast the market, helping them grasp the market trend and find business opportunities.
The reference price rise and fall list is a tool to rank the price rise and fall of various categories of plastic products under the market reference price. It tracks and compares the price changes of products under various categories of symbols in different time periods such as week, month and year, and then selects the top 20 with the highest price increase or the top 20 with the highest price decrease to form the price rise list and price fall list respectively.
The reference price rise and fall list provides a practical reference for practitioners in the plastics industry, helping you quickly capture the most volatile products in the market, and providing strong data support for your decision.
