The Sieve changer adopts hydraulic double-station pulling type, model 180mm Sieve change port, heating power 6kw.
3. Melt metering pump part
Pump body drive connection mode: cardan shaft connection drive.
Pump body reducer: high strength hard tooth reducer, no noise.
Pump body control mode: frequency conversion speed regulation, and equipped with melt pressure sensor display pressure.
Closed-loop control system: by adjusting the pressure before the pump to automatically control the speed of the screw host, to achieve the melt pressure balance, greatly improve the stability of extrusion.
4. Die
Die forming: T coat hanger type
Effective width of die: 1000mm (single-side adjustable range 0-200mm)
Die performance: Using 40Cr material after modulation, chrome plating, polishing and other processes, with smooth flow path, mold opening and closing uniform, smooth adjustment, low energy consumption
Die heating power: 15kw (built-in stainless steel heating tube, five-zone temperature control)
Roller cooling method: water or oil cooling medium, the internal cooling channel adopts spiral trend, good cooling effect, high sheet transparency
Roller drive motor power: 4kw*3 (variable frequency speed regulation)
The form of roller drive: three rollers with gear reducer transmission, hard tooth surface gear reducer synchronous transmission, using analog module control
Roll pitch adjustment: worm gear pitch adjustment, screw skew block fine adjustment limit
Longitudinal walking: electric walking positioning device, equipped with a reducer with a motor
6. Cooling and trimming device:
The cooling part is composed of one φ180mm*1000mm roller and seven φ80*1000mm aluminum alloy guide rollers
The trimming device is equipped with two cutting knives
Traction reducer and motor power: hard face helical gear reducer with chain drive, 3kw
Opening and closing form: cylinder pneumatic control
Winding method: double station winding, air expansion shaft winding sheet, torque motor tension control, can be flipped unloading coil
8. Control part:
Console control: movable man-machine interface, touch screen form
Temperature control: PID control of temperature module
Working flow
Raw material particles / scraps--- Screw heating--- Die extrusion--- Three-roll forming--- Cool + trim--- Coil finished product
Technical parameter
Model
BC120-1000
Applicable material
PP, PE, PS
Overall power
220kw
Heating power
110kw
Molding sheet thickness
0.3-2.0 mm
Sheet thickness accuracy
+/- 0.015 mm or less
Effective width of sheet
≤850mm
Work efficiency
350kg/h
Machine weight
≈10T
Machine size
13 m * 1.5 m * 2.5 m
Power source
Three-phase four-wire, 380V, 50Hz
Screw diameter
120mm
Screw length-diameter ratio
35:1
Main motor power
110kw
Net changer size
180mm
Melt metering pump model
200cc（optional）
Melt metering pump motor power
7.5kw（optional）
Effective width of die head
1000mm
Effective width of three rolls
1000mm
Three-roll diameter
Φ500*500*350mm
Roller motor drive power
3.5kw*3
Applications
PLA, PVC, PET, PS,PP as raw materials, changing the mold at one machine to manufacturing lids, covers, trays, plates, boxes, food and medical trays, etc.
