Three-Layer Co-Extrusion Film Blowing Machine (with IBC system)

• After-sales Service: Forever
• Warranty: One Year
• Type: Three Layer Common Extruding Film Blowing Machine
• Maximum Folding Width of Film: 3000mm
• Automation: Automatic
• Computerized: Computerized
• Model NO.: 3SJ-G1700
• Certification: CE, ISO9001:2008
• Transport Package: Export Standard Sea Worthy Wooden Plate
• Trademark: SANBI
• Origin: China
• HS Code: 8477900000
• Production Capacity: 200-250kg/H

Product Description

Technical Specification
I. General Specification:
1. Valid Film layflat width     1700mm   
2. Width tolerance                     ≤±3mm(with width control system)
3. Film layers:                              3
4. Film thickness 0.03-0.10mm 
5. Raw materials                        LDPE LLDPE HDPE mLLDPE EVA
6. Film tolerance                  ≤±8%( When film thickness about 0.05-0.08mm)
7. Screw diameter (mm)              Ф55mm x 2( 1^st  & 3^rd  Extruder ) , 
                                   ф65mm×1( 2^nd  Extruder ) 
8. Max. Output(kg/h) 200-250kg/h (If make max width and max. thickness the extrusion capacity )
9. screw L/D :                       30:1
10. screw max. rotation speed (r/min):    45-120 n/m
11. extruder driving power (kw)          22kw x2 ( 1^st  & 3^rd  Extruder ) , 
                                      37kw x 1( 2^nd  Extruder ) 
12. the way of screen changing of extruder :   high-speed  screen changing
13. die structure  :                three layers co-extrustion  with IBC ( Internal bubble cooling system)
14. air-ring structure:                   double air vent air ring
15. reversting haul-off system.:  film turning mode---horizontal,;  angle of reversing +/- 180 degree
16. take -off wide-up speed (m/min      45-120 m/min
13 Total power            approximately 250kW;
9. Line outer dimensions 7500×6000×10000mm(l×w×h)
10. Line weight     According  to actual  machine,

II. Single-screw extruder: (Three Sets)

1. 1. Screw
2. Diameter: Ф55mm x 2( 1^st  & 3^rd  Extruder ) ,  ф65mm×1( 2^nd  Extruder )
3. L/D ratio: 30:1
4. Material: 38CrMoA1A
5. Hardness of screw:  More than  HRC-750
6. Heating treatment: forging, heat treatment and nitrified

the containing cutting and diamond mixing part with nitrogen treated, high hardness, strong resistance to corrosion, durable service., also has high-yield, low power, a good plasticizer and so on.
  

1. 1. Barrel
2. Material: 38CrMoA1A
3. Heating treatment: forging, heat treatment and inner hole nitrified
   1. Max. screw rotating speed: 45-120 n/min
   2. Forced water chilling for feed section of barrel, adopted cast- aluminium heater with inner cooling structure for transmission, measure and mixing sections.
   3. Barrel cooling blower.
   4. Temperature control: intelligent digital display to show the district at any time the temperature changes 
   5. For main transmission way:  reducer boxes, belt three-grade reducer-speed, gear material 20CrMnTi treated by surface carburization processed from high-precision grinding (including external oil circulation lubrication system).
   6. Extruder main motor: 22kW×2 sets, 37kW×1 set, with  DELTA inverter(TAIWAN BRAND)

1.9. Auto loader (Chinese good brand  25kg capacity     3pcs)

1. Screen changer : 3 sets

1. High speed screen changer system
 

1. Die head: 1 set
   1. Structure: three-layers co-extrusion  die head composite
   2. Material of the die head: 40CrMo  (full flow to deal with hard chromium plating)
   3. Dielip diameter: 400mm
   4. air ring : double air vent air ring
   5. cooling blower for die : 7.5kw (with  DELTA inverter )
   6. Diehead heater: cast- aluminium heater
   7. Mold main parts, all imports of Four-axes machining center from the processing to ensure the accuracy of the mold and all levels of the sub-spiral flow uniformity is expected.
      ,full-flow nose grinding carefully polished chrome-plated hardware, an increase of die wear resistance and corrosion resistance,

V. IBC Inner bubble cooling system: 1 set

1. 1. 1. with cooling fans 2pcs, power 7.5kw motor with inverter control):
      2. Inspecting parts for the bubble:  3 pieces German ultrasonic inspecting probes the signal will be calculated out by controlling the air flow regulator in the external air into the bubble membrane vesicle at the same time, the heat from the air and control the size of the bubble membrane.
      3.  With PLC (Mitsubishi products) programmable control, domestic human-computer operating system, e-LCD touch screen.

VI. dual lip air ring: 1 set
1. Structure: the out air orifice can be adjusted according to the processing
2. Material: cast aluminum
3. air out is symmetrical , avoid the film thickness is un-even.

VIII. Reversing haul-off unit: 1set
1. Structure: ±180° reversing
2. Clamping roller: the first haul-off is rotating synchronous with the collapser
3. Haul-off motor: main motor 2.2kW, with inverter
4.The new rotary switch to the application of guide roller shaft and have a layer of air between the film so that the friction to a minimum.
5. between the up traction and winding with EPC air correcting system more orderly winding products.

IX. Collapser Frame
   1. Material: aluminum alloy guiding roller, with wooden sizing part on the both side
   2. Collapser adjusting method: electromotion
X  Up-down film bubble fixer (stable foam electric devices)
1.: this use of PTFE guide roller accurate guide to the bubble, it with motor drive for adjust the up and down
2. Structure: electric remote control adjustment
3. Adjustable sizing cage size and height

XI. Double Auto Winder: 1set

1. Winding mode:  doulbe station friction rewinding with automatic reel changing and cutting
2. The second haul-off motor power: 25n/m torque motor
3. Winding motor power: 2.2kW x2pcs  with inverter
4. Max. reel width: 1800mm
5. Max. reel diameter: 600mm
6. Max. winding speed: 40m/min
7. Air shaft: 4 pieces
8. with flattening roll device.
9. when production a single layer film to use the vertical cutting, side cutting and waste film blowing to collection .
10. It  equipped with a sensitive new digital length account devices, so that a more accurate account length.

XII. electrical parts
low-voltage electrical components used CHINT products.