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13<br />
I<br />
12<br />
Case Study I<br />
PrintFlex P press fabric<br />
graphic paper application<br />
1,700 m/min, 100 % recycled newsprint,<br />
3rd press (shoe press).<br />
● Improved wear resistance. Weight loss<br />
reduced by 43.5 % when compared to<br />
standard structures.<br />
● Consistent water removal throughout<br />
life.<br />
● Standard design on this position.<br />
II III<br />
Case Study II<br />
PrintFlex P press fabric<br />
graphic paper application<br />
1,050 m/min, fine paper, 4th press.<br />
● Improved sheet smoothness by 26 %<br />
when compared to standard structure<br />
(new).<br />
● Improved sheet smoothness by 6 %<br />
when compared to standard structure<br />
(after mid life).<br />
● Translates into significant reduction in<br />
two-sidedness.<br />
CS I: Press fabric wear improvement on<br />
graphic paper application.<br />
CS II: Sheet smoothness improvement<br />
on fine paper application.<br />
CS III: Sheet smoothness improvement<br />
on linerboard application.<br />
Fig. 13: Press Fabric incorporating PrintFlex<br />
technology.<br />
63<br />
Case Study III<br />
PrintFlex P press fabric board<br />
and packaging application<br />
675 m/min, linerboard, 3rd top/3rd bottom<br />
LNP 315 kN/m.<br />
● Improved sheet smoothness (Emveco)<br />
by 24 %.<br />
● Speed increase without maximizing<br />
steam.<br />
Conclusion<br />
As demonstrated, technologically advanced<br />
press fabric systems are truly<br />
capable of facing the challenges imposed<br />
by modern paper making in terms of efficiency<br />
and quality.<br />
The test results indicate that PrintFlex P<br />
can be used effectively as an important<br />
tool to improve sheet properties and wear<br />
resistance.<br />
The findings also open the door for further<br />
research and development work in<br />
the area of press fabric surface uniformity<br />
using resin based components.<br />
<strong>17</strong>/04