Main Structure of Film Blowing Machine

What does the main structure of the film blowing machine include?

1. Extruder

What does Extruder include?

Extruder including motor, gearbox, screw, touch head, air ring, fan.

What are the different types of extruder screws?

Screws are divided into four categories:

(1) HDPE low -pressure screw

(2) LDPE high -pressure screw

(3) High and low pressure mixed screw

(4) Degradable screw

What types of extruder molds are there?

Dies are divided into four categories and three subcategories:

(1) Rotating body

(2) Internal cooling structure

(3) Special properties (such as mulch film and pva water-soluble film)

What types of wind rings are there?

The air ring is divided into four categories and three small categories:

(1) Single air outlet

(2) Double air outlet

(3) Three air outlet

2. Traction frame

The traction frame includes horizontal type and 360°rotational type, edge inserter, herringbone plate, and traction roller, mainly for traction purposes.

3. Winder

What are the winding machines divided into?

Winding machine for film blowing machine is divided into friction winding, center winding and row roller winding.

(1) The use of friction winding: most suitable for products over 1 meter (mainly sheet film)

(2) The purpose of center winding: suitable for products below 1 meter (mainly tube film)

(3) The purpose of row roll winding: mainly for plastic film.

4. Electricity Cabinet