How does the film blower cool?

Release time：

2021-02-02

undefined

The material of the film blowing machine in high temperature melting state, through a ring die, and then through the air expansion extrusion. At this stage, the tubular film in the forming section to undergo a severe cooling process, the need to set up a cooling system, the film blowing machine cooling methods are divided into two kinds: internal cooling and external cooling.

1. Internal cooling is achieved by cooling the membrane bubble directly. Because the flow rate of the air in the membrane bubble is relatively low and irregular, external cooling is more dominant.

2. The external cooling method is an early application. Under the action of the cooling ring, uniform cooling air is generated around the ring by releasing cooling air on the circular ring along the extrusion direction and the outer surface of the membrane bubble. This increases the average velocity of air and thus increases heat transfer.

In order to ensure the quality of film products, the stability of film bubbles before the formation of film must be considered in the process of film blowing machine for a long time, so as to effectively control the qualified rate of products. The output of film blowing machine blowing film, in addition to the constraints of film bubbles, but also consider the cooling system of film blowing machine, a perfect cooling system needs reasonable configuration and stability of film blowing machine.

Zhongshan Yuanyang Plastic Machinery Co., Ltd. is a manufacturer specializing in the production of various types of plastic bag complete assembly line equipment. It has accumulated rich experience in the production of mechanical and electrical equipment, plastic products and automatic bag making equipment for a long time. It has always adhered to innovation and innovation, among which, film blowing machine, printing machine and various automatic bag making machines with their unique design, advanced technology, High efficiency, power saving, durable features, won the praise of domestic and foreign customers.

How to reasonably control the temperature of the film blowing machine?

The development of film blowing machine packaging industry is restricted

How to reasonably control the temperature of the film blowing machine?

The development of film blowing machine packaging industry is restricted