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Several kinds of machine head operation mode of extrusion blow molding

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  • 21/05/2018

Several kinds of machine head operation mode of extrusion blow molding Direct extrusion of the preform head, from the structural point of view, direct extrusion of the preform head can be divided into two categories:Center feed type and side feed type. Center-feed preform heads can be divided into bracket heads and boostersStretch strength stent type two kinds. Lateral feed parison heads are: ring-branched parison heads,There are three kinds of heart-shaped branch tube heads and spiral branch t…

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Extrusion head

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  • 18/05/2018

Extrusion head When extruding a parison, the head has a great influence on the quality of the parison. Current blow moldingWith an extruder head, it can be basically divided into straight type and rotary type. In addition to some specialMost of the blow molding outside of the device (such as a horizontal blow molding system or a vertical extruder)It is a downward-facing rotary nose. Extruding the basic parameters of the preform The basic parameters of the preform are as follows. 1 Blow r…

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Extrusion Blow Molding Extruder

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  • 17/05/2018

Extrusion Blow Molding Extruder Extrusion molding machines are the most important equipment in hollow blow molding devices. The mechanics of blow moldingPerformance and appearance quality, uniform consistency between batches of finished products, production efficiency of molding processingThe rate and economy depend to a large extent on the structural characteristics and correctness of the extrusion molding machine.operating. Extruder is generally a general-purpose extruder, but the extrud…

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Extrusion blow-molding process in hollow blow molding

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  • 15/05/2018

Extrusion blow-molding process in hollow blow molding Stretching-blow molding is a method in which a bottomed parison heated to a suitable temperature and below the melting point is placed in a mold, stretched first with a stretching rod, and then blow-molded, which includes extrusion-stretching. A blow molding (referred to as "pulling and blowing") and injection-stretching blow molding (referred to as "Note-pulling and blowing"). This chapter only elaborates on how to sque…

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Extrusion-blow molding process in hollow blow molding technology

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  • 14/05/2018

Extrusion-blow molding process in hollow blow molding technology Extrusion _ blow molding is the use of an extruder to extrude a tubular parison, and then the parison is fed into the blow mold while hot, and the compressed air is blown through it to make it closely adhere to the wall surface of the mold cavity to obtain the mold cavity shape. , In the case of maintaining a certain pressure, after cooling stereotypes, open mold release and get the blow molding products. Extrusion blow molding ha…

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Special plastic product extrusion production technology

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  • 11/05/2018

Special plastic product extrusion production technology Special plastic products mainly refer to the extrusion production of hollow blow molding products, plastic bars, foam plastic products and plastic nets. These products have a certain market, but the production technology is often quite special. Overview of Hollow Blow Molding Products: Hollow Blow Molding In the industrial production and daily life, we will encounter many hollow plastic products, such as large containers for storing a…

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