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Ruian Huarui Plastic Machinery Co., Ltd.

Plastic Extruder, Film Blowing Machine, Plastic Machinery manufacturer / supplier in China, offering Plastic Extruder Film Blowing Machine (SJ-65), PVC Heat Shrink Film Blowing Machine, PE Heat Shrink Film Extruder and so on.

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Plastic Extruder Film Blowing Machine (SJ-65)

FOB Price: US $14,080 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $14,080/ Piece
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Production Capacity: 20 sets per month
Transport Package: wood box
Payment Terms: T/T

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Basic Info
  • Model NO.: SJ-65
  • Screw: Single-Screw
  • Computerized: Computerized
  • Specification: SJ-65
  • Plastic Processed: PE
  • Automation: Automatic
  • Trademark: huarui
  • Origin: China
Product Description
Usage:
Plastic Extruder Film Blowing Machine is used for blowing the various film of low density polyethylene(LDPE), high density polyethylene(HDPE)and linear low density polyethylene(LLDPE)etc, Wich are widely used for packing liquid, industrial products, garments and textile, Etc. And printing lamination.

Characteristic:
1. Main motor and take-up motor are controlled by frequency inverter adjust
2. Manual exchangeable system to adjust the gap of take-up roller and embossing roller
3. 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: 0.6-0.7mm
Brittleness grade: ≤2 grade≤2 grade
4. Gear box: 200 Involute cylinder Bevel wheel, cast alloy steel piston, fine grinding hard gear surface
5. Die material: Steel 45#/surface treatment of flow channel: Hard chrome- plating
6. Double digital display temperature controller
Plastic Extruder Film Blowing Machine (SJ-65)

Plastic Extruder Film Blowing Machine (SJ-65)
Plastic Extruder Film Blowing Machine (SJ-65)
 Model
 
SJ-65
 
Screw Diameter
 
65mm
 
 Screw Ratio
 
L/D28:1
 
Screw speed
 
10-100r/min
 
 Main Output
 
55 -70kg /h
 
 Power of Main Motor
 
18.5-22kw
 
 Specification of Die Head
 
Φ 120- Φ 220mm
 
 Rotational Mode of Machine Head
 
Rotating
 
 Single-side Thickness of Film
 
0.01 -0.10mm
 
 Max. Folding Width of Film
 
1100mm
 
 Total Power
 
42kw
 
 Weight of Machine
 
3800kg
 
 Overall Dimension(L*W*H)
 
6000*2400*4300
 

Features:

Plastic Extruder Film Blowing Machine which adopt the advanced technology equipments, such as extruder with force feeding function, precision ceramic heater, precision dual lip air ring, horizontal rotating haul-off system, Internal bubble cooling system, the first haul-off system with cooling function, fully automatic two-slitter and two-winding surface winder, which can be fit for producing all kinds of high clarity packing film, it also create higher economical efficiency for you. 
A remarkable wide range of monolayer polypropylene film extruding line for blown tubular PP film that perform all production process from pp polymer extrusion to various winding system for every application.
We supply various monolayer polypropylene film extruding line from standard line configuration, to custom-made equipment with widespread application for all domestic, agricultural, packaging, structure and various industrial uses.
Packaging Details: wooden box packing with inner cling stretch film. 

Troubleshoot:

http://filmextruders.com/products/Blown-polypropylene-film-extruder.html
Polymer melt fractures which appear as roughness or wavy lines on the film surface, and can be eliminated by decreasing the viscosity of the melted polymer. This can be done by enhancing the melting temperature or by adding an interior lubricating substance to the material composition. 
Air entrapment between film layers and rollers - this may cause film scratching, damaging or wrinkling, or processing problems when winding up the film as a result of decreased friction. Feasible solutions to this is utilizing a vacuum to eliminate entrapped air or by utilizing winding rolls with a diamond shaped groove in the rubber cover to increase surface area and reduction quantity of entrapped air in the film. 
Thickness variations in the film - this can be avoided by centering the die in the extrusion line before every run, adjusting the air speed of the cooling system, or by utilizing heated die lips. Die lines on the surface of the film - this defect reduces the aesthetic appeal of the film, reduces optical properties, and weakens mechanical properties such as tear strength. This can usually be avoided by routinely cleaning the inner surfaces of the die and by refinishing scratched or roughened flow surfaces. 
Obvious output fluctuations from the die unit that causes thickness variations, and can be avoided by keeping the extruder tidy and clean and by using more regularly shaped pellets put in the top mounted hopper. 
Gels defects are small, hard globules encapsulated in the film or stuck on the film surface and decrease the aesthetic appeal and visual allure of the film and cause stress concentration features which may result in premature failure. These are caused by overheating to the point of polymer destruction in the die, and can therefore be avoided by cleaning the inner surfaces of die unit regularly.
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