Double Layer Co Extrusion PE Blown Film Extruder 2SJ series

Product Overview

Description

Double Layer Co-Extrusion PE Blowing Film Extruder

 H.S. No. : 8477301000

    Double layers blown film extruder referred to as the tubular double layers blown film extrusion, particularly for the products packaging industry. After solidification at the frost line, the film relocates right into a collection of nip rollers which break down the bubble and also squash it right into 2 standard film levels.

    The film passes with idler rolls throughout this procedure to make certain that there is consistent press in the film. Throughout this phase, the film could be slit to develop 1 or 2 films, or surface area coron finished. The tubular double layers blown film co-extrusion that is the higher efficiency method of blown film extrusion process of extruding two or more materials simultaneously through a single die unit.

     The tubular type double layers blown film co-extrusion is the least expensive means of producing layered films and saves time because it extrudes two or more layers at the same time that provides a method with fewer steps to produce multilayer films.

The output for a coextruded multilayer film of 3 layers is approximately 130m/min, and also the output for a single layer of blown film is 65m/min. The film manufacture from the single layer procedure would certainly need an additional step to adhesive the layers with each other utilizing some kind of adhesive material.

 

 

  

      Usage of  double layer co-extrusion PE blown film extruder

     Double layer co-extrusion PE blown film extruder is  used  for  blowing  the  various  two layers films of low density polyethylene (LDPE), high density polyethylene (HDPE) and linear low density polyethylene (LLDPE), etc, which are widely used for packing liquid, industrial products, garments and textile, Etc. And print lamination.

    Double layers blown film can be used for the manufacture of co-extruded, double layer films for high barrier applications such as express delivery or fast mail packaging that are applied to the demands of shopping in internet.

     Double layers blown film can be used for the manufacture of co-extruded, double layer films for inflatable buffer air column packaging bags with PA layer. Double layers blown film can be used either in tube form plastic bags and sacks or the tube can be slit to form a sheet or film.

 

Characteristic of double layer co-extrusion PE blown film extruder

      Main motor and take-up motor are controlled by frequency inverter adjust

Material of screw and barrel: 38CrMoAlA Polished with Nitride Treatment
hardness of heat treatment: screw HV≥740, barrel HV≥900
depth of hardening: 0.6-0.7mm
brittleness grade: ≤2 grade

     Gear box: 250 Involutes cylinder Bevel wheel, cast alloy steel piston, fine grinding hard gear surface

      Die material: steel 45#/surface treatment of flow channel: hard chrome- plating  

Double digital display temperature controller

 

 

Parameter of  double layer co-extrusion PE blown film extruder

Model	SJ-45*2/FM1000	SJ-50*2/FM1200	SJ-55*2/FM1500
Max.Folding Width(mm)	1000	1200	1500
Main Output(kg/h)	35	50	60
Main motor power(kw)	2*11	2*15	2*15
Total power(kw)	42	53	65
Screw Diameter(mm)	2*45	2*50	2*55
L/D ratio of screw	28:1	28:1	28:1
Speed of screw(rpm)	12-120	12-120	12-120
Film thickness(mm)	0.02-0.10	0.02-0.10	0.02-0.10
Weight(kg)	3500	4500	5200
Overall Dimensions(m)	4.2*2.2*4.6	4.6*2.4*5.0	5.2*2.7*6.0
Rotate Mode	Continuous Rotation	Continuous Rotation	Continuous Rotation
Specification of Die Head	200-250mm	250-300mm	300-350mm

 

 

Advantages of  double layer co-extrusion PE blown film extruder

     Double layers blown film extruder is one of our featured machinery according to the demand of markets. Adopt the method continuously of squeezing horizontally and blowing upward, film folding width reach up to 800/1500 mm with thickness of 0.08 mm, suitable for LDPE, HDPE, LLDPE, MLLDPE, PA packaging film.

     Since its good barrier property, moisture preservation, moisture proof, rain water proof, wind proof, frost proof, oxygen insulation, oil resistant etc, thus can be widely used in packaging material.

     Double layers blown film extrusion dies are accuracy made and also therefore are pricey however their life span is considerable. Each die head will have a working range of die inserts at different diameters to fit the needed application.

      Different die gaps can also be specified relying on the material being extruded. The tubular type double layers blown film extruder’s barrel and screw rods are all made of quality alloy steel that have been nitrided finished and processed by precision machining equipment. Hence it is sound in hardness, durable in corrosion resistance. The specially-designed screw is of sound quality In plasticizing, which helps increase the production capacity.
     1. With over twenty years experience in plastic machinery manufacture, our machines are maturest and stable
     2. 4 Person engineers group, to improve the machines' design better and better everyday.
     3. 6 Person quality group, to ensure every machine in the best situation before it leaves our workshop.
     4. Every machine will be testing untill it works stably, then pack in case.
In customer
     1. Supply technical supports in the whole process in using machines.
     2. Can dispatch technician to customer factory support the installation and train workers.
     3. Supply machinery guarantee, and all life after-sales service.

 

 

The final product of double layer co-extrusion PE blown film extruder  

 

The package of  double layer co-extrusion PE blown film extruder