Rotona®
BT 904 machines - stretch out for profit!
Rotona® - Application of Raw Materials
Rotona® Yarn Features
Benchmarking Rotona® with Fabric out of Ring Core Yarn
New Standards with Rotona
· new elastic yarn and fabric
· adaptations to fabric construction
· different effects on the fabric
Ring and Rotona® denim fabric
Benchmarking Ring Core and Rotona® Fabric
For similar fabric looks and
characteristics
~ with about 10% less picks
in the weft
Save long term
in weaving with
Rotona® elastic yarn!
Higher Loom Speeds + Less Stops with Rotona Yarn
Low yarn hairiness = less dust contamination in yarn
· less ends down in weaving
· efficient and trouble-free
processing with Rotona®
Weaving Rotona® elastic yarn
Weaving ring elastic yarn
Rotona® - Quality Advantage
Package Quality
Quality advantage - number of connections
BT 904 package size
_ less knots / splices
than ring core yarn
⇒less stops in weaving
· 8 -12 yarn connections
per kg ring spun core yarn
· 0.1- 0.2 yarn connections
per kg ROTONA® yarn
Rotona® - Downstream Processing
Higher Loom Speeds + Less Stops with Rotona Yarn
BT 904 - Yarn Connecting Unit
Yarn Connecting Unit (YCU) for each Machine Side
· Identification of the position with the broken yarn by YCU
· Automatic connection of broken yarn by YCU
1. Amispin piecing
2. Activation of the core thread
3. Connection of the produced rotor yarn to yarn from the bobbin by a knot
BT 904 - Yarn Connecting Unit
Weavers Knot: Yarn connecting
system makes sure the knot is of high quality and filament is always component of the knot.
Enlargement: 1:260
BT 904 - technology elements
Special technology elements for perfect filament guiding
· long service life
· abrasion-free running through the contact places Constant elasticity and tension of Rotona ® yarn !
See you on www.rieter-basetex.com
