III.Configuration and specification:
1. Main Extruder: one
a. Gearbox: one
The body of the gearbox is made from cast steel. The teeth deal with grinding and peeling eventually, which provides different characteristics of damping, antifriction, low-noise, long using period etc.
b. The screw
Material: high quality nitrided steel-38CrMoAlA
Nitration depth: 0.4-0.7mm, hardness≥940HV, fragility is 2 grades.
c. Barrels
Material: high quality nitrided steel-38CrMoAlA
Nitration depth: 0.4-0.7mm, hardness≥940HV, fragility is 2 grades.
d. Heating zones: 5 zones
e. Barrel Heaters: Ceramic heater with air blower
f. Main motor power: 75KW, 6-gear, FC; rotary speed: 980r/min
g. AC motor with an inverter control
h. Screw diameter: 120mm
i. L/D: 32:1

2. Automatic Hydraulic Fast screen changer with double-sieve: one set
a. Its special internal structure provides a excellent seal effect
b. The parts of Screen Changer consisting the mould are made of alloy steel, which experienced heat treatment strictly.
c. Control Method: by hydraulic station
d. Motor Power: 2.2KW

3. Die-Head
a. Material: super heat resistance alloy steel
b. Structure: T-shaped, Clothes bracket flow channel, polished inner mold surface.
c. The flows are plated chrome. And the flow surface is polished until it like mirror.
d. The outlets of the mould can be adjusted with the adjustable screws slightly.
e. There are 3 heating zones in the mould and 2 heating zones on the connections
f. The heat means: heating inside by bar heaters
g. The effective width of the die head:750mm

4. Calender roll stack: one
a. Structure: one big calender roller lays on the round horizontally
b. Roll number: 1
c. Diameter of roll: 500mm
d. Roll length: 770mm
e. Wall thickness of the roll: ≥25mm
f. Roll surface treatment: 14 grade super treatment of mirror polishing.
g. Media: water
h. The big roller is controlled by one motor (6-gear, 4kw, FC) with reducer.
i. The thickness of sheet is evenly controlled by air cutter
j. Air blower: 5.5KW
k. Thickness tolerance: +0.01mm

5. Air cooling stand: one
a. Number of the transmission rollers: 13
b. Diameter of the rollers: 55mm*12pieces; 110mm*1piece
c. Roller length: 740mm
d. Roller surface treatment: plated chrome and half-mirror polishing

6. Trimming unit: one
Slitting knife: 2pcs

7. Haul off unit: one
a. Haul off steel roller: one
Diameter of the roller:180mm
Length of the roller: 740mm
Surface treatment: plated chrome and half-mirror polishing
b. Haul off rubber roller: one
Diameter of the roller:180mm
Length of the roller: 740mm
Surface treatment: coated erosion resistance, heat resistance and friction resistance rubber and polished
c. Motor: One unit (6-gear, 2.2kw, FC)
d. AC motor with an inverter
e. Clamping and open-close means: by screw

8. Two-shaft Rewinder
Shaft number: two
3" and 2" winding shaft
Control by a high-grade torque motor

10. Eectronic Control Cabinet: one set