Nipco super calender
面议
Nipco super calender main parameters：
1.Machine deckle width: 1760-6800mm
2.Working speed: 300-1500m/min
3.Balancing speed: 500-1800m/min
4.Paper feeding speed: 5-15m/min
5.Loading linear pressure: max250kN/m
6.Middle hot roll surface temperature: max160℃; hot oil temp:max200℃.
7.Unwinding/winding diameter: max 1500mm
8.Drive type: Main drive are DC; auxiliary drive is variable frequency.
9.Total number of calendering rolls: 12pcs
Top and bottom roll: segmental Nipco control roll, 2sets.
Middle hot roll: bore hole drilled indise the roll shell, 4 sets
Soft roll: coated with composite rubber, 6 sets.
10.Nip loading and unloading: bottom cylinder loading, bottom cylinder release
11.Roll self-weight compensation system: hydraulic driving system
12.Middle roll heating type: heat conduct oil system.
13.Unwinder brake: constant tension controls DC motor
14.Winder driving and brake: the constant tension controls DC motor drive, .Max winding tension: 0.5N/mm. Motor braking. Winding motor: 30kW.
15.Paper feeding: manually feed or auto feed.
16.Main drive motor: DC motor
17.Drive type: High-precision hard gear reducer, cardon shaft drive,
18.Electrical and hydraulic system: PLC control system and high precision hydraulic proportional valve control
19.Rider roll: Pressure adjustable, linear pressure range: 0.25～2.0kN/m
20.Lifting platform: hydraulic drive
