PAPER MACHINE 4200 mm
GENERAL DATA:
Paper weight: 40-160 GSM
Machine speed: 400-600 m/min
Trimmed width: 4.200 mm
Capacity: 50.000 Tm/year The PM was started in 1966 in order to produce wrapping paper from virgin
pulp. The grammage range that PM was designed is 40 up to 140 gsm.
The average grammage produced in the period of 1966/1976 was 89.2
g/m2.
After the first three steps of PM modernizations made in 1977, 2002, and
2005, the average grammage produced decreased down to 56 g/m2, and
lower according to the market needs.
During the 1977, the stock preparation was improved.
During 2002, the electric drive of the ABB AC drive machine was replaced,
which created the premises for increasing capacity.
During the 2005, the following PM modernizations were fulfilled:
1. The headbox
2. Pick-up roll and wire drive roller
3.Calender
4. Scanner
5. Winder
6. Steam-condensing installation
7. Local command panels of each PM section replaced
8.Control room and old process calculator replaced with a new version
of ABB
9. Video Paper Machine
During 2007, the following PM modernizations were fulfilled:
1. A new ABB beam for fine cross control humidity installed
2. A new ropes system
3. Fourdrinier wire table modernization with ABB new vacuum pumps,
ceramics covers for the dewatering elements.