Pneumatic style doctors ->finishing equipment

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Ching Lai Machinery Co., Ltd.

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Pneumatic style doctors

Category :

Machinery on-line->Paper Converting and Processing Machine->Paper Making Machine->finishing equipment

Product Specification

Model No:	Creping doctor no.1,Creping doctor no.2, B type, C type

Country	TW
Brand	CLM
Size	NO.l,NO.2,Type B,Type C
Payment Term	D/P,T/T,L/C

Product Detail

Ching Lai machinery co., Ltd. has the facility
to provide the paper making industry with
many different type doctors which have
been sold representative a world wide
endorsement of it excellence
Efficient doctoring is the result of
meticulous engineering for a particular
application integrating the proper blade
Material and doctor back design.
You benefit from the resulting production
efficiency, a reduction in down time, and
long-term troublefree service.
To select the correct blade with the roll
Material to be doctored.
A. Heat treatment carbon steel
B. Carbon steel
C. Stainless steel
D. Phosphor bronze
E. Fiberglass
F. High density polyethylene

Pneumatic style features
The method employed in the revolutionary pneumatic doctor is by means of a special air hose to apply pressure to a series of specially designed stainless steel fingers space across the width of the doctor 2 inches apart. These fingers pivot on a common stainless steel fulcrum rod which extends across the width of the doctor. Fastened to the fingers is the stainless steel doctor blade holder to which can be easily fitted a doctor blade of any conventional material.
When air is introduced to the hose it distends' and in so doing actuated the fingers which in turn depress the doctor blade against the face of the roll or cylinder. The pressure at which the blade is kept in contact with the roll or cylinder is there-fore the same across the entire face.
In the case of a cambered roll, the distention of the air hose will be restricted as the fingers continue to depress the doctor blade against the roll or cylinder face and because of the infinitely variable nature of the finger arrangement the blade in effect takes up the shape or contour of the roll face. This is important in the case of fixed and variable crown rolls.


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