Film blowing machine screw combination

Film blowing machine screw combination

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Film blowing machine screw combination Details

The screw section of the film blowing machine is a screw groove with a fixed groove depth. In addition to its main functions of mixing, melt output, and measurement, it must provide sufficient pressure to maintain a uniform temperature of the melt and stabilize the flow rate of molten plastic. If it is long, the mixing effect is good; if the metering section is too long, the melt will stay for too long and thermal decomposition will occur; if it is too short, the temperature will be uneven.

specification:

Screw length-diameter ratio of film blowing machine = working length of screw (MM) ÷ screw diameter (MM)

Compression ratio of film blowing machine screw = feed tooth depth (MM) ÷ metering tooth depth (MM)

Features of the film blowing machine screw:

1) The length-diameter ratio of the screw of the film blowing machine is large, the plasticizing ability is strong, the temperature distribution is uniform, the automatic temperature control, the blown film is bright and uniform, and the product has good performance;

2) The rotary head can be configured according to user needs;

3) Various forms of curling can be selected at will;

4) The screw of the film blowing machine adopts advanced frequency conversion technology, which is highly efficient and energy-saving;

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