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ASTE doctor blade device system |
Adopted the international leading technique of designing and manufacturing.
Produced the ASTE blade devices with high standard, high quality and high reliability. |
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ASTE-YSA Air-cell Dual Blades Device
Working rational and purpose:
Dual blades means using two air-cell blades at the same time. The purpose of the blade is to erase the water and the dirt on the roller
surface. From a microscopic point of view, there are many uneven holes on the surface of the roller and the friction surface of the blade. While
operating, the water and the dirt will run to the back of the blade through the holes. Though sometimes they can be taken away by the paper,
most times, they stick on the back of the blade, and form a large mass. The drop of these masses will cause the break of the paper and the
expensive stop of the machine. Especially on the stone roller on the press part, this problem is very serious. Apart from this, adding pressure
on the blade will cause negative pressure on the back of the blade, which will cause piling dirt on the front of the blade and influence the quality
of the paper.
The technique of dual blades is to solve this problem, which is to install No.2 blade at the back of No. 1 blade, to scrape the dirt of the
back of No. 1 blade. |
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Make even and parallel touch between the blade
and the roller through the air cell, to prevent from
damaging the roller.
Through decompressing, adjust the air pressure
to control the line pressure,
The thickness of the blade may range from 0.lmm to 6mm, 10,000-blade changing strategy,
The application of the ASTE-YSB blade device
can effectively solve the balance of the three elements
(line pressure,material and angel) and solve the problem of cleaning which is coming with the develop-
ment of the paper making technology.
The most simple and widely used blade holder on
the paper making machine.
Adding pressure depends on self weight, and gen-
erally manually lift and close the blade. But on some
important occasions, we can temper the line pressure,
lift the blade and add the pressure from long distance |
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