This automatic Stretch  film extruding machine mainly use LLDPE,LDPE,as well as recycled LLDPE material to produce one side sticky or double side sticky stretch wrap film,food cling film,cast extrusion stretch film etc.The width from 20mm to 1000mm, single layer to 2 layers or other layers upon request.

By PLC Automatic roll changer,Automatic loader and auto edge film recycling unit.machine is simple in operation,high speed at 3.5 ton daily production by 24 hour(20micro based).With the effective consumption of electricity,it can bring more of production benefit for buyer.

The 2 layer example model specs below:

1.  The main technics:

   （1）Thickness of film：10µm-50µm

   （2）Tolerance of thickness：≤±5%

    (3)Width of effective film：1000mm(max) or 2*500mm

    (4) Structure of film layers： A/B Co-extruded

(5) Film material：LLDPE or LLDPE+LDPE

   (6) Electric power: ≥50kw

   (7)Electric power supply: According customer’s detail requirements

   (8) Machine dimension(about): 6500*3000*3200mm

2. Composition

   （1）Extruder unit   2 sets

   （2）Auto-loaders  2 sets

  （3）T-die Unit  1set   

  （4）Cooling roller unit   2 pcs

  （5）Pulling rollers   6pcs

   （6）Auto cutting&rewinding

   （7）Electrical control box   1 sets

    (8) Operating control system---PLC control    (VIGOR Brand)

  (9) On line recycling machine

A、Gear box : Hardened tooth surface reducer.，146#，1Piece,173#，1 Piece

 （1）Gear box processing technique: Tooth surface high-frequency quenching, hardened     tooth surface precision grinded by gear grinding machine

B、Barrel and screw.

（No. 1 - EXTRUSION SYSTEM )

（1）The screw diameter: Φ65mm; Screw L/D:  30：1 (JinHaiLuo Screw--The best screw in the world)

     (2) Screw length: 1950mm

（3）Structure：Shield mixing forge

（4）Material: 38CrMoA1，Hard chrome-plated screw

（5）Processing technique: Forging, quenching, nitrating

（6）Inverter : Import from Shenzhen( Senlan Brand)

（7）Motor : 22 kw * 1 set 

（8）Hopper : Autoloader    1 set

    （9）55 Screw heating(Machine designed heating)    12kw

（No. 2 - EXTRUSION SYSTEM）

（1）The screw diameter: Φ90/65mm; Screw L/D:  30：1 (JinHaiLuo Screw--The best screw in the world)

 （2） screw extruder，Length 1950mm

（3）Structure：Shield mixing forge

（4）Material: 38CrMoA1，Hard chrome-plated screw

（5）processing technique: Forging, quenching, nitrating

（6）Inverter : Senlan Brand

（7）Motor : 37 kw * 1 set 

（8）Hopper : Autoloader   1set

C. Heating:

   （1）Heating：Ceramic heating ring、Stainless steel cover with socket connections.

   （2）Heating Power：>40kw

   （3）Filter mode：Manual screen changer

   （4）Cooling：water-cooling

   （5）Plasticization Cooling：Forced air cooling

D. Extrusion Die

（1）Die width：1250mm

（2）Mode of die :  T shape made

（3）Process theory：Specially designed with different shunt

   （4）Die head material and processing：Use 718 high-quality steel, after quenching and tempering, grinding the inside surface of the polished mirror surface and hard chrome plating treatment;

   （5）The gap of mold mouth 0.8 mm

 (6) Die heating(Machine designed heating)   12kw

E. Traction winder , Electric control,

（1）Traction roller： Seamless Steel Tube（Mirror-polished, hard chrome surface plating with HRC 65）

 （2）Cooling roller：420 mm diameter* 1250mm 2pcs: Special processing inside and outside the mezzanine, spiral cooling in two flow way to ensure even cooling temperature for the surface of the roller and have copper coupling with recycling system.

 （3）Elevated cooling stretch：Oscillating, several aluminum rollers and rubber rollers

(3-1) Aluminum roller:  80*1200mm  6pcs

(3-2) Rubber roller: 90*1200mm   2pcs

  （4）Machine designed traction speed：20-150m/min

 （5）Stretch film thickness：10µm-50µm

  （6）Cooling principle：Left to right into the rotary joint barrel water cooling made of copper

  （7）Changing cutting：Automatic Invisible serrated knife to cut off

（8）Cutting driver：Brake deceleration control of motor and steam-driven approach control

（9）Rolling meters：Meters counter

   (10) Oscillating is approx.100mm/min operated by auto motor

F. Rewinding Device

（1）Coiling type: friction rewinder，controlled by cylinder.(All Cylinders STNC brand)

（2）Rewinding roll：W-type Air shafts: two pieces with full automatic turnover exchange the roll

(2-1) Air shaft: 76*1200mm    2pcs

( 3 ) Rewinding roller: 420mm * 1200mm  2pcs

（4）The Mechanical arm         1set

G. Automatic edge material recycling unit

（1）On line recycling unit  1 set

（2）Suction machine unit   1set

H．Controlling box

   (1) Separate electrical controlling box   1 sets

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