Monolayer PE Film Blown Film Line

Monolayer PE Film Blown Film Line

SJM-Z45×30-650mm

 Technical Specification

1.Feature

1. Valid film lay flat width:550mm(with gusset device)
2. Width tolerance: ≤±4mm
3. Film thickness: 0.01—0.08mm
4. Raw materials: LDPE; HDPE; LLDPE; Mlldpe.
5. Film tolerance: ≤±8%,(when produce the 0.08mm thickness film )
6. Output: 40kg/h(LDPE),according to the resin and width and thickness of film;
7. Line outer dimensions: 5600x2000x.3800mm (L x W x H) 

2.Extruder: (One Set)

1.1   Screw

1. Diameter: 45mm X 1;
2. L/D ratio: 30:1
3. Structure: separating, barrier and mixing
4. Material: 38CrMoA1A
5. Heating treatment: forging, heat treatment and nitrified, bimetal

1.2   Barrel

1. Hole diameter: 45mm X 1;
2. Material: 38CrMoA1A
3. Heating treatment: forging, heat treatment and inner hole nitrified , bimetal

1.3   Max. screw rotating speed: 120r/min

1.4   Forced water chilling for feed section of barrel, adopted cast aluminum heater with inner cooling structure for transmission, measure and mixing sections.

1.5   Barrel heating zone: three zones

1.6   Barrel cooling blower: 370w

1.7   Gear box

1. Gear type: standard involute cylindrical skew wheel
2. Material for gear: 20CrMnTi, through high frequency quenched treated and precise grinding.
3. Lubrication wary: forced all cycle lubrication
4. Cooling way: force water cycle cooling for oil temperature

1.8   Extruder main motor: 15kw X 1, controlled by EURA inverter

1. Die head: 1 set
   1. Structure: spiral mandrel central feeding
   2. Material of the die head: 40Cr
   3. Die lip diameter: 80mm; 120mm (LDPE); 60mm (HDPE), matched air ring lip.
   4. Gap of die lip:2.2mm/1.1mm
   5. Die head heater: cast aluminum heater
   6. The die-head is continuing rotating.

1. Precision dual lip air ring: 1 set
   1. Structure: the out air orifice be adjusted according to the processing
   2. Material: cast aluminum
   3. Blower power: 1.5kw,

3.Take off unit synchronous

1. Haul-off tower: 1 set
   1. Clamping roller: the first haul-off is rotating, the cylinder control the open and closed
   2. Haul-off motor: main motor 1.1kw, with EURA inverter
   3. Haul-off speed: max 60m/min
   4. Roller width: 650mm
   5. Roller material: synthetic rubber

1. Collapser
   1. Material: smooth wooden plate roller
   2. Collapser adjusting method: by manual

1. Guiding roller: 1 set
   1. Light aluminum alloy guiding roller: 1 group

1. steady plate: 1 set
   1. adjust by manual

1. Gusset device 1 set

1. Tower
   1. Inner platform and inclined ladder are assembled with safe banister
   2. A group of rigid aluminum alloy guiding roll

4.Winding unit

11. Winder: 1 set

1.   Winding mode: surface friction back to back winder, controlled by booster

2   The second haul-off motor power: 1.5kw, with booster

1. Winding motor power: 1.5kw
2. Max. film width: 550mm
3. Max. reel width: 500mm
4. Max. winding speed: 60m/min
5. Air shaft: 3 inch x 4 pieces
6. the width of roller is 650mm
7. With the counter meter, alarming when the length come to the setting.

5.Electrical Control System

The main motor and blower motor adopt the Wannan brand

The inverter adopt the EURA brand

The contact and relay and switch adopt the Zhengtai

The temp.controller adopt the FUJI brand

All the parts adopt our good quality domestic’s brand

The bearing of winder and haul-off roll adopt NSK brand

6.The working situation of machine:

6. The spare parts:

(1) The heater for extruder: 3 pieces (different types)

(2) The heater for die head: 1 piece

(3) The wire plate for controlling the speed of the assisted haul-off: I piece

(4) 2 pieces K style thermocouple

(5) Regulation resistance for the inverter

(6) The air cock for air shaft: 2piece,

(7) The cable and the gas circuit of the machine

(8.)the temperature table 2sets

Note:   Auxiliary device such as air compressor and mixer are not included in this quotation.