The installation position of the valve sleeve affects accuracy
Release Date:
2025-08-08
In hot runner systems, the valve bushing is usually installed on the manifold or above the hot nozzle, but both positions are close to high-temperature plastic, which easily causes thermal expansion and increases dimensions, leading to valve bushing displacement and inner hole deformation, affecting the valve pin movement accuracy. The patented technology of Changsha Best Hot Runner Technology Co., Ltd. places the valve bushing directly above the nozzle core, which can reduce deformation caused by excessive temperature.
In hot runner systems, valve sleeves are usually installed on the manifold or above the hot nozzle, but both positions are close to high-temperature plastic, which easily causes thermal expansion and dimensional increase, leading to valve sleeve position offset and inner hole deformation, affecting the valve pin movement accuracy. The patented technology of Changsha Best Hot Runner Technology Co., Ltd. places the valve sleeve directly above the nozzle core, which can reduce deformation caused by excessive temperature.
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