Nipco super calender

Nipco super calender main parameters：

1.Machine deckle width:                               1760-6800mm

2. Nipco roll:                                                  top roll/ bottom roll  

3. Working speed:                                          300-1500m/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:                                     drilled surround, 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