Thermal paper coating machine
Application: thermal paper coating
Basis weight of base paper: 40-150gsm
The machine deckle: 1760-2640mm
The dynamic balance speed: 600m/min
The working speed: 500m/min
Coating system: blade/metering rod coater for front coating + roll coater for back coating
Unwinder and winder automatic splicing
Drying system: air floating drying system with automatic temperature control
The steam pressure required: 0.8-1.0Mpa
Finishing system: soft calander + dryer cylinder finishing
Tension control: DFE loadcell high precision tension control
Electrical control system: Siemens PLC system
Power supply: 3 phase*380V/50Hz
Control voltage: 220V/50Hz & 24 VDC
Compressed air required: 0.6MPa, Dewatered, with filtration treatment
Water supply:
- Pressure of fresh water: 0.3MPa
- Chilled water: pressure 0.05MPa, temperature 5-12 centigrade
- Normal water: pressure 0.1MPa, temperature 30-50 centigrade
The technical data of production process
Coating method
|
Coating deposit[gsm]
|
Solid content [%]
|
Design range
|
Coating Precision
|
Drying capacity
|
Design range
|
Operation condition
|
Drying capacity tested by
|
1# blade coater
(base coating )
|
6-12
|
8±0.6
|
8
|
45-60
|
50-55
|
55
|
2# blade coater
(thermal chemical coating)
|
2.5-6
|
4±0.6
|
4
|
28-45
|
30-40
|
35
|
3# roll coater
(back water)
|
3
|
2-3
|
3
|
|
|
|