For blowing low density polyethylene(LDPE), high density polyethylene(HDPE)linear low density polyethylene(LLPE)plastic composite film. Widely used in liquid packaging, printing substrate, export product packaging, industrial packaging and food, fruit, clothing, textiles, and other daily necessities packing of civil industrial products.
Characteristics:
For blowing low density polyethylene(LDPE), high density polyethylene(HDPE)linear low density polyethylene(LLPE)plastic composite film. Widely used in liquid packaging, printing substrate, export product packaging, industrial packaging and food, fruit, clothing, textiles, and other daily necessities packing of civil industrial products. SJ-450 * 2 the extruder barrel, screw stems are made of high-quality alloy steel, nitrogen and the precision machining, with the best hardness and corrosion resistance.
The 600 type of auxiliary equipment according to different process requirements in the 600mm range adjusted freely use, with inserted plate mechanism, can make the vest bag. The coiling unit adopts torque motor, can maintain appropriate tension, regular collection, for easy roll.
The main technical parameters:
Screw diameter: the roots of 45mm 2
Screw length to diameter ratio: 28: 1
Screw speed: 10 - 120rpm
Die specifications from 80mm:
Die head structure: the inner spiral, a center feed
Die material: 45 # head inner flow passage hard chromium plating
Products: thickness 0.01 - 0.10mm
Products: folding width 200--600mm
Main motor power: 18.5KW 4 phase asynchronous motor inverter control.
Shanghai power universal high-performance converter 18.5KW
Heating power: 18KW
Max Output: 40kg / h
Machine weight: 2 tons
Size: 4200 * 2200 * 4000mm wide
Around the inserted edge 100mm, inserted edge products after the width of 400mm, when the product does not insert edge, can produce film width 600mm
Configuration
The extruder portion
Single screw extrusion die head
Screw and barrel material of 38CrMOALA alloy screw made in Zhoushan
Processing: normalizing quenching and tempering - stress relief - nitriding
Manual screen changer 45 steel heat treatment
Heating control zone in the 9 District of Yuyao produced 9 temperature-controlled mounted in the same cabinet.
Temperature control: intelligent dual phenotype, temperature control table
All use stainless steel heater
Cylinder cooling fan : group 2, voltage 380V power 380W three-phase centrifugal fan
Cooling fan: 1.5KW three-phase centrifugal fan
Cooling wind ring: aluminum alloy air ring
Gearbox: twin screw hardened gear box
The machine electrical control system ( Zhengtai switch, self energy type temperature control table )
Drawing part
Frame height: 4 meters fixed traction
Steel structure: a safe operating platform and safety guard
Traction motors: 1.5KW
Shanghai universal converter 1.5KW ( with host frequency in the same cabinet )
Traction roller width: 700mm traction roller material: rubber roller
A baffle bar type foam frame used in the 600 film width
Spica splint: Mucha split
The maximum angle: 22 degrees ( adjustable )
Letoff part
Rewinding mode: frictional single winding, by collecting large roller
Rolling roller diameter ( mm ): 250mm (horizontal type diamond pattern )
Rolling roller length ( mm ): 700mm
Reel to reel structure: Horizontal
Motor quantity: 1 moment Adjustable-Speed Three-Phase torque motor
Reel to reel number: 2
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