Copper Titanium Inserts and Cooling Plates for Plastic Dies and Moulds

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Description

Copper Titanium Inserts and Cooling Plates when used in the plastic molding dies, significantly reduce defects and warpage. QTi® also significantly reduces the hold time thus improving productivity and lower the cost of production per part. With the advancement in Plastic Moulding Technology and the development of complex geometric shapes required to be manufactured in a variety of plastic resins designed for high-performance parts, mould has become the weakest link in the value chain. Many designs fail to fully consider all the dynamics of the moulding process because of the lack of insightful data or non-availability of materials that can meet the demands of the process. This results in approximations in tool design and sub-optimal product quality. Tool steels continue to be the most widely used and accepted materials not only for the larger tool but also for cores, inserts and cavities. While tool steels are useful for their properties and lower cost, there is a tendency among mould designers to ignore other high-performance materials, mainly due to cost optimization. This results in making serious sacrifices to mould life and performance, and also lower quality consistency of the part. Inserts or cavities made from steel have poor thermal conductivity making them ineffective as they are unable to extract heat quickly from molten plastic, leading to uneven cooling, resulting in porosity and shrinkage defects. Inserts are effective when they can extract and dissipate heat quickly, allowing the process to cool faster and more uniformly across the cross-section.