PP strap band line
System Configuration of the Production Line
Necessary machine
- 1 set of Vacuum feeding
- 1 set of Hopper dryer
- 1 set of Extruding Machine
- 1 set of Mould
- 1 set of Water tank system
- 1 set of The first haul-off device
- 1 set of The first stretch forming oven
- 1 set of The second haul-off device
- 1 set of Embossing machine
- 1 set of The second stretch forming oven
- 1 set of The third haul-off device
- 3 set of winder
DETAILED SPECIFICATION
Configuration and Technical Data：
1. Feeder
Main technical parameter:
Motor power: 1.1kw
2. Drying Hopper
Main technical parameters:
Volume: 100kg
Heating power: 6.5kw
3. SJ-75/30 Single Screw Extruding Machine
This machine is equipped with specialized reducer, and the gear and axial parts adopt high strength alloy steel and are treated by the carburization, quenching, gear grinding and other workmanship, and are matched with super thrust bearing which has the traits of high bearing capacity, stable transmission, and excellent efficiency etc. The material of screw and barrel is 38CrMoAlA, nitriding treatment, lower noise, corrosion resistance, wear resistance. Barrel is cooled by wind, heated by cast aluminum heating circle. The whole machine is equipped with automatic temperature controlling switchboard, digital display intelligent temperature controller, Chint Contactor. Frequency control.
Main technical parameters:
Screw
Diameter: 75mm
The length-diameter ratio: L/D30:1
Material: 38 CrMoALA
Nitride depth: 0.5-0.7mm
Barrel
Material: 38 CrMoALA
Nitride depth: 0.5-0.7mm
Hardness (HV): ≥940
Heating control areas: four areas
Heating power: 24KW
Cooling system: air cooling
Gearbox
The material: QT200
Type: Inclined gear
Gear material: 20 CrMnTi
Gear surface heat treatment: Gear surface quenching
Thrust bearing: NSK
Lubrication system: pressure lubrication system
Cooling system: external independent cooling cycle system
Main motor
Transmission way: Frequency control
Transmission power: 22kw
Output:
4. Screen Changer
Main technical parameters:
Heating power: 4kw
Double passages
5. Die Head
It is made of excellent die steel with the quality of extruding fast and equably, and low head pressure
6. Cooling Tank
Cooling the strip plate fast to control the crystallinity of plastics, which can guarantee the elongation when the strip plate is pulled. It is made of stainless steel.
Main technical parameters:
Material: stainless steel
Cooling mode: immergence (constant temperature)
7. Drying Device
Main technical parameters:
Motor power: 1.5kw
Rotate speed: 3800r/min
8. The First Five Rollers Haul-off
Used to pull for the first time, and it is composed of motor, reducer, pull roller
Inverter control
Gear transmission.
9. Heating Oven
Used to heat strip plate which has been finalized the design, then preheat for the second time, and it is made of stainless steel
Main technical parameters:
10. Printing Device ( as option)
11. The Second Five Rollers Haul-off
Used to pull for the second time after thermal wind heating, and it is composed of motor, reducer, pull roller.
Main technical parameters:
Inverter control.
Gear transmission.
Motor power: 5.5kw
Pulling speed: 12-120m/min
Steel roller amount: 5
Roller diameter: 205mm
Roller length: 215mm
to emboss on the surface of the strip plate, which can improve the strength and friction force. The material of embossing roller is steel, and its surface is rhombus or other decorative design. Its hardness is 50-60HRC. chromate finish on the surface of the decorative design.
13. Shaping Oven with cooling tank
Length: 4000mm
Heating power: 12kw
14. Drying Device
Main technical parameters:
15. The Third Three Rollers Haul-off
Used to pull for the second time after thermal wind heating, and it is composed of motor, reducer, pull roller.
Main technical parameters:
Inverter control.
Gear transmission.
16. Winder 3sets
Used to coil the product, center winding automatic arrangement. It is composed of winding shaft, roll core and frame etc.
Main technical parameters:
Torque control
Coiling length: coiling based on user requirements
