Cold runner mold main types and solutions

Cold runner mold of two main types are two plate mold and three board mold. Plastic from the parting line between the two plate mold flow into the gate, on the product side into the mold cavity, in the three pole moulds, at the bottom of the flow channel is usually in the center of the products and gate. Two plate mold may actually be more than two, three pole mold may be more than three board; In spite of this, the poles die mold and three pole still in use.
three pole in a mould, when the mould is opened, the gate is separated from the molding products. And the two plate mold have a parting line, compared to three pole mould has two parting line. When the mould is opened, the mould cavity and core in the first part of the mould opening both stay together. Point gate are connected to the cavity has a small part of, when the cavity plate and broken runner plate separation. Core moved far enough from the cavity, the products out; When the cavity plate moves to far enough away from the runner plate, the flow channel was out.