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andymould.com
Common classification and introduction of glass bottle mould
author：安迪模具 Release time：2016-01-10
Glass bottle mould gob of heat and cooling, the temperature of the molten glass into the mold is about 900-1000 degrees, for high speed produces team machine, machine mould should be approached in each group of 10 times repeated operation, this moment needs glass bottle without fault, die as soon as possible will bring the heat loss of high temperature glass out, so the strength of glass bottle mould thermal conductive function, produce the machine speed, the higher the should have a good function of thermal conductivity is to mould the most basic requirements.
Glass bottle moulds are important tools in the process of glass bottle making, and commonly used glass bottle mould can be divided into large water mouth mould, thin water port mold, hot runner mould.
A, gate mould: runner and gate on the parting line, together with the product in the mould stripping, the simplest design, easy processing, low cost, so more people using gate system operation. The mould structure is divided into two parts: dynamic and fixed modes. The activity part of the injection machine is the dynamic mode (mostly the ejector side).
Fine runner mould: the runner and gate is not in the parting line, generally directly on the product, so to design a set of shuikou parting line, design is relatively complex, processing more difficult, often depending on the product requirements to choose fine runner system. The mold part of the thin water port is usually composed of three pieces of steel plate. The three - plate mould is the simplest structure in the thin water - mouth mould.
Three, hot runner molds, hot runner mold is approximately the same structure and fine shuikou, the biggest difference is that flow into one or more of the temperature of the heat flow but and heat pumping mouth, no cold feeding demoulding, runner and gate directly on the product, so the port don't need mold release, also known as no runner system, this system can save raw materials, applicable to the raw material is more expensive, high requirement of products, design and processing difficulties, mould cost is high.
