Categories | Cast Film Extrusion Machine |
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Brand Name: | YAOAN |
Model Number: | AF-3200 |
Certification: | CE |
Place of Origin: | CHINA |
MOQ: | 1 |
Payment Terms: | TT,LC |
Supply Ability: | 100 SETS PER MONTH |
Delivery Time: | 30-90 DAYS |
Packaging Details: | WOODEN BOX |
Material: | PP, PE |
Layer: | 3 |
Screw: | 120mm |
Warranty: | 1 year |
LD: | 30:1 |
Company Info. |
YAOAN PLASTIC MACHINERY CO.,LTD |
Verified Supplier |
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Product List |
Single Layer And Multi-Layer Co-Extrusion Casting Film Production Line
♦ CPP Film
♦ CPP Stretching Film Making Machine
CPP film is made of PP resin and other additives by Flow-cast which it is used for goods packing and wrapping.
♦ Process Flow:
PP resin powder and other additives mixed by mixer — vacuum loading, plastified and extruded— film outflow by cast die head —
cooling and forming — slitting on line — oscillating
— two-position full-automatic wind-up and roller-changing— edge trimmer — finished film rolls in box — curing in curing room
(confirm the curing time according to room
temperature variation) — sales.
Single layer and multi-layer co-extrusion casting film production
line, high speed and professional, active and multi-application.
The most optimized production line configuration is suitable to
many kinds of raw material: PE, PP, PA, PET, EVA, etc.
Design for following application:
A) CPP, CPE casting film
B) High obstruction film containing PET and PA, usually used in
food paking
C) On line single-direction stretch film
D) LLDPE, LDPE and EVA film, felted film, fresh-keeping film
3-layer co-extrusion casting film machine
STRUCTURE: A/B/C,A/B,A/B/A
Product width: 1000-2400mm
Product thichness: 0.012-0.05mm
Max. Line speed of the machine: 30-180m/min
Feature: Adopted high-speed surface winding-up device and dividing
and cutting on-line.
In a cast film extrusion process, a thin film is extruded through a slit onto a chilled, highly polished turning roll, where it is quenched from one side. The speed of the roller controls the draw ratio and final film thickness. The film is then sent to a second roller for cooling on the other side. Finally it passes through a system of rollers and is wound onto a roll.
Thicker polymer sheets can be manufactured similarly. A sheet is
distinguished from a film by its thickness; by definition a sheet
has a thickness exceeding 0.25 mm. Otherwise, it is called a film.
The cast film process is used for very tight tolerances of thin
film, or for lowviscosity resins. Most flat dies are of T-slot or
coat hanger designs, which contain a manifold to spread the flowing
polymer across the width of the die, followed downstream by
alternating narrow and open slits to create the desired flow
distribution and pressure drop. Most cast film lines manufactured
today are coextrusion lines, combining layers from as many as 7
extruders into the product through multimanifold dies, or else
single manifold dies with the aid of feedblocks.
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