This is a tube for real-time PCR.
Among medical plastic products, there is a demand for real-time PCR tubes to have a body thickness that is as thin as possible. Since real-time PCR tubes undergo repeated heating and cooling, they must have good thermal conductivity. However, when the thickness is reduced, even a slight misalignment between the core and cavity of the mold can result in significant uneven wall thickness in the product. For example, if the product wall thickness of the tube is 0.4 mm (thin wall), a core misalignment of 0.05 mm will result in one side being 0.45 mm thick and the other side being 0.35 mm, leading to a 0.1 mm discrepancy. A 0.05 mm misalignment becomes a 25% discrepancy in a 0.4 mm thickness. Therefore, at the design stage of the mold, it is necessary to devise a mechanism for aligning the cavity and core. Additionally, when optimizing plastic molding conditions, it is important to ensure that uneven wall thickness does not occur.
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basic information
Among medical plastic products, there is a demand for real-time PCR tubes to have a body thickness that is as thin as possible. Since real-time PCR tubes undergo repeated heating and cooling, they must have good thermal conductivity. However, when the thickness is reduced, even a slight misalignment between the core and cavity of the mold can result in significant uneven wall thickness in the product. For example, if the product wall thickness of the tube is 0.4 mm (thin wall), a misalignment of 0.05 mm between the cavity and core would result in one side being 0.45 mm thick and the other side being 0.35 mm thick, leading to a 0.1 mm deviation. A 0.05 mm misalignment translates to a 25% deviation in a 0.4 mm thickness. Therefore, it is necessary to devise a mechanism for aligning the cavity and core during the mold design phase. Additionally, when optimizing plastic molding conditions, it is important to ensure that uneven wall thickness does not occur.
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Applications/Examples of results
Among medical plastic products, there is a demand for real-time PCR tubes to have the body part as thin as possible. Since real-time PCR tubes undergo repeated heating and cooling, they must have good thermal conductivity. However, when the wall thickness is reduced, even a slight misalignment between the mold core and cavity can result in significant uneven wall thickness in the product. For example, if the product wall thickness of the tube is 0.4 mm (thin wall), and there is a core misalignment of 0.05 mm, the thick side will be 0.45 mm and the thin side will be 0.35 mm, resulting in a 0.1 mm discrepancy. A 0.05 mm misalignment translates to a 25% discrepancy in a 0.4 mm wall thickness. Therefore, at the design stage of the mold, it is necessary to devise a mechanism for aligning the cavity and core. Additionally, when optimizing plastic molding conditions, it is important to ensure that uneven wall thickness does not occur.
Company information
We provide plastic medical devices of assured quality. - Medical Device Manufacturing and Sales License Number: 11B2X10048 - Medical Device Manufacturing Registration Number: 11BZ200082 - ISO 13485 certified company - Precision molding in a clean room with a class of 10,000 or lower Shinwa Kogyo Co., Ltd. has been honing its plastic molding and mold manufacturing technologies since its establishment in 1974. Throughout this process, we have actively developed services such as 3D-CAD compatibility, product design, flow analysis, and mold design, providing our customers with services that go beyond just contract processing. Additionally, through our dealings with clients in the medical industry, we have been involved in numerous medical products, including the establishment of an in-house clean room with a class of 10,000, obtaining ISO 13485 certification, and acquiring licenses for medical device manufacturing and sales, as well as custom molding machines. We will solve all your concerns regarding medical plastic products with VA/VE proposals based on flow analysis and mold design technology by certified plastic molding specialists from the design stage. Please feel free to consult with us.
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