Rotary Screen Printing Machine for fastest production♣Zimmer|Ragienie|MHMS|Butcher|Stork

Rotary Screen Printing:
A printing machine that utilizes seamless cylindrical screens made of metal foil was originally developed in Holland. This process is called rotary screen printing. The machine employs a rotary screen for each color, as in flat screen printing and the design for each rotary screen is made in a manner similar to automatic flat screen printing.
Process Flowchart for Rotary Screen Printing is as follows –

Fabric is fed into the printer section
↓
Fabric passes under the rotating screens
↓
Pumping of printing paste
↓
Squeezing of print paste
↓
Fabric passes into drying woven
↓
Curing and Washing

Now I’ll describe the steps in brief as follows –

Steps

Description

Fabric is fed into the printer section

The fabric to be printed is fed under uniform tension into the printer section of the machine. Its back is usually coated with an adhesive, which causes it to adhere to a conveyor printing blanket.

Fabric passes under the rotating screens

The fabric is then passes under the rotating screens through which the printing paste is pumped.

Pumping of printing paste

Printing paste is automatically pumped from the pressure tank.

Squeezing of print paste

A squeeze in each rotary screen forces the paste through the screen onto the fabric as it moves along at rates of up to 100 yards per minute.

Fabric passes into drying woven

The fabric is passed into the drying woven for drying.

Curing and Washing

Curing and Washing is done as a part of finishing.

 

This printing method combines the advantages of roller and flat screen printing techniques. Rotary metal screens are lightweight in contrast to the heavy copper rolls, and they cost lees. They give color depth that is similar to or as good as that of flat screens. Prints of various types and intricate designs with shades of up to twenty colors can be obtained with a high degree of accuracy and sharpness. Rotaries operate continuously rather than starting and stopping as the flats do. Production output is considerably higher than it is on flat screen machines.

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