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Various Models Auto Blow Molding Machine

Various Models Auto Blow Molding Machine

Design and manufacture of 3. large plastic hollow blow moulds 3.1 case introduction of mold design and processing. Due to its large volume, high requirement of cooling and exhausting, and low standardization of parts, large plastic hollow blow molding mold is difficult to design and manufacture. Polyethylene horizontal blow molding tank combined with actual production experience, after several design changes optimization, accumulated the following experience:

Factory wholesale various models auto blow molding machine

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Design and manufacture of 3. large plastic hollow blow moulds

3.1 case introduction of mold design and processing. Due to its large volume, high requirement of cooling and exhausting, and low standardization of parts, large plastic hollow blow molding mold is difficult to design and manufacture. Polyethylene horizontal blow molding tank combined with actual production experience, after several design changes optimization, accumulated the following experience:

1.the dimensions of the 1000 liters of polyethylene horizontal blow molding water tanks are more than 1600 x 1200 x 1100. It is obvious that it is not reasonable to process the mould as a whole. The huge volume brings great trouble to the machining. Too much cutting will cause great waste of energy. Through the design optimization, the shape of the mold is spliced with high strength steel plate. The cavity is used as a partial structure. Finally, the shape and the inner cavity are welded seamlessly into a whole. This design not only ensures the strength of the mould itself, but also reduces the processing difficulty and the processing quantity, and the actual effect is ideal.

2.The position of the injection mouth, the outlet and the joint at both ends of the horizontal tank needs greater cooling than the tank part, and the three parts mentioned above have different requirements for the cooling amount. According to the above characteristics, the cooling water of the mold is divided into several modules, and the cooling water flow can be controlled independently when each module is produced. The temperature control is accurate, the product is uniform in cooling, small in stress and small in deformation.

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