354
K. S. Kulkarni and R. Adivarekar
Fig. 4 Brushing roller
Expanding Rollers/Curve Bar
The expanding rollers make sure that the fabric stays unfolded and does not roll up
in the machine. The speed of these rollers can be adjusted with the help of variable
frequency inverter.
Brushing and Beating Rollers
Brushing rollers raise the pile to be shear, while beating rollers clean the fabric
before shearing. Speed of brushing rollers can vary between 50 to 300 rpm. Distance
between fabric and beating rollers is adjustable (Fig. 4).
Exit Section
Used for winding fabric on big batcher carriage. Roller pressure and fabric tension
are adjustable (Fig. 5).
2.3 Singeing Machine
Singeing operation is carried out to remove protruding fibres from the fabric surface.
2.3.1 Advantages of Singeing Operation
• It improves end use and wearing properties of textiles
• Gives clean surface due to burning off of protruding fibres, which gives clean and
brighter appearance of the treated fabric
• Effectively reduces pilling tendency of fabric, especially in case of blends