The valve pin can solve the injection molding temperature problem
Release Date:
2025-08-08
A patent for a needle valve type hot runner assembly points out that by sleeving a needle valve sleeve on the part of the needle valve located inside the hot runner, it can prevent the needle valve from heating due to shear, solving the problem of the needle valve temperature rising and easily burning the product near the sealing glue point or causing the needle valve to stick to the glue position at the sealing glue port.
A patent for a needle valve type hot runner assembly points out that by sleeving a needle valve sleeve on the part of the needle valve located inside the hot runner, it can prevent the needle valve from heating due to shear, solving the problem of the needle valve temperature rising and easily burning the area near the sealing glue point of the product or causing the needle valve to stick to the glue position at the sealing glue port.
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