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1.Injection moulds are divided into side gates and pinpoint gates also known as 2-plate moulds and 3-plate moulds according to structural difference.2. According to the gating difference, the moulds are divided into: sprue gate, edge gate and submarine gate.3. A new gating mode is becoming more and more popular in recent years. That is hot runner gate. It avoids leaving trace on the gate and save the use of gating material. But the hot runner gate system cost too much with an average price of RMB10000 yuan. And it is only used for IT and automotive industry to improve their quality of plastic parts. However, the use of hot runner gate is a trend.
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