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Three-layer co-extruded high-yield energy-saving blown film production line


1. The host machine adopts frequency converter for stepless speed regulation control;

2. The die head adopts the international advanced new cone streamline superposition technology;

3. The traction system adopts horizontal ± 360 ° reciprocating rotation;

5. Ultrasonic automatic correction device;


Details


  The three-layer co-extruded energy-saving blown film production line consists of three single-screw extruder auxiliary machines.
  1. The main drive is all driven by the German Baumüller high-torque direct drive motor (DST water-cooled type) and its drive for stepless speed control.
  2. The die adopts the spiral die of the international advanced new flow channel technology.
  3. The main unit and the die are heated by high-efficiency and energy-saving electromagnetic heating technology.
  4. The upper traction rotating device adopts a direct transmission type horizontal ±360° reciprocating rotation.
  5. The internal cooling system (IBC) automatically measures and controls the bubble size using a 3-point over-sound probe.
  6. Configure a new electric squirrel cage stabilization bubble holder.
  7. Configure the enhanced guide roller electric herringbone board.
  8. Configure the ultrasonic automatic correcting device.
  9. Automatic friction full tension control control sensor, control traction tracking receiving and unloading system
  10. The control system adopts Japanese Mitsubishi PLC centralized control technology.

 

Model:

Unit

SGXM-1400*3

SGXM-1600*3

SGXM-1800*3

SGXM-2000*3

SGXM-2200*3

SGXM-2400*3

Maximum diameter of film

mm

1200

1400

1600

1800

2000

2200

membrane thickness

mm

0.025-0.12

0.025-0.12

0.025-0.12

0.025-0.12

0.025-0.12

0.025-0.12

Maximum output

kg/h

200

240

260

300

330

350

Mold diameter

mm

300

350

350

400

500

550

Screw diameter

mm

55*2+65*1

65*3

65*2+70*1

65*2+75*1

70*2+80*1

75*2+85*1

Screw length to diameter ratio

L/D

30;1

30;1

30;1

30;1

30;1

30;1

Screw maximum speed

r/min

98r\min

98r\min

98r\min

98r\min

98r\min

98r\min

Main motor power

kw

30*2+37*1

37*3

37*2+45*1

37*2+45*1

45*2+55*1

45*2+55*1

Bubble cooling method:

Double air outlet ring + IBC bubble internal cooling system

 

 

Traction speed:

m/min

60

60

60

60

60

60

Total power:

Kw

140

150

170

185

200

220

Dimensions(L*W*H)

mm

 

 

 

 

 

 

Weight:

T

 

 

 

 

 

 

Suitable raw materials

LDPE  LLDPE  mPE  EVA and compounding

 

High product quality, large capacity and low energy consumption. Our company has independently developed high-speed and high-capacity die heads by introducing and absorbing foreign advanced technology. The relationship between the melt flow rate, flow rate and the pressure in the die cavity, as well as the disturbance of the whole melt flow caused by the differential flow produced by the coextrusion of raw materials with different viscosities, were calculated mathematically.

The changes in physical means and manufacturing can minimize the pressure when the melt extrudes the die, reduce the functionality of various raw materials with different viscosities in the melt, and the melt can be extruded uniformly with undifferentiated flow to avoid melt damage. The die head has a reasonable and compact structure, accurate, short and smooth flow channel distribution, no dead corner accumulation, reduces the disturbance in the melt movement, is suitable for extrusion molding of various materials, and overcomes the flow anomalies caused by the common extrusion of a variety of materials with different viscosities. With few crystal points, the output is large, and energy consumption is low. Compared with the conventional die head, the extrusion amount is increased by about 40%.


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