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Español1) the overall mold closure height is increased, and the overall height of the mold is increased due to the hot runner plate.
(2) thermal radiation is difficult to control, and the biggest problem of hot runner is the heat loss of sprue, which is a major problem that needs to be solved.
(3) there is thermal expansion, and thermal expansion and contraction is a problem to be considered in our design.
(4) the cost of mould manufacturing is increased, and the price of standard parts of hot runner system is high, which affects the popularization of hot runner mould.
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