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reduced by the USTER® ROVING STOP. consumption. The well-established expert system
supports mills with clear guidance to profitable
Overload on rollers is also prevented, ensuring higher optimization.
productivity through reduced lapping. These benefits
together can be expected to extend the service life of Higher yield and fewer quality issues also result from
spinning components such as aprons, cots and reduced repair times. Badly-performing spindles are
cylinders by around 20%. reliably identified and the USTER® SENTINEL guides
machine operators quickly to spindle breaks, through
The design of USTER® ROVING STOP is striking. Its clear and simple indications. Other issues which
streamlined and uncluttered profile is geared to
often impair the spinning process – such as idle,
Comprehensive control optimum machine performance. The unique compact rogue and off-quality spindles, as well as spindle slip
shape leaves operators clear access, saving time
– are all monitored for fast response.
and economic benefits and speeding up responses. And its smart design Profitability: the ultimate goal
enables the USTER® ROVING STOP to implement a
USTER’s ring spinning optimization system
rapid and complete separation of the process, to
maximizes profitability where it matters most.
avoid raw material waste.
USTER® ring spinning optimization system now offers Higher yield and fewer quality claims USTER® SENTINEL measures and controls the most
expensive process in yarn manufacturing. It monitors
much more than end-break detection The advantages of USTER® SENTINEL go far beyond the productivity of all spindles, as well as providing
end-break detection: it brings a completely new
the required links and information to help the
approach to quality, productivity and efficiency in ring spinning mill optimize both machine performance
unmatched detection of end-breaks provides the spinning. Bobbin build-up information and end-break and the entire process.
basic platform, which is extended to total control of detection are the basic functions, but total
end-breaks when combined with USTER® ROVING optimization is the result. The intuitive reports on Connecting USTER® SENTINEL to the Total Testing
STOP. The instant stop of roving feed at an end-break bobbin build-up include every parameter influencing Center of the USTER® TESTER 6 opens the way to
will reduce waste significantly and make raw material end-breaks. Clear visuals point to exact reasons for extended analysis, based on centralized quality data
usage more cost-effective. Calculations show that breaks, making optimization easy. Mills benefit from from all spinning processes. This is the route to
70% less pneumafil waste equates to a saving of improvements in ambient conditions, service life of management of a spinning mill with quality in mind.
nearly 1% in raw material, based on current spinning mechanical components – and machine speed. Adding USTER® SENTINEL data to this creates the
conditions. This obviously makes for a shorter ultimate quality optimization package. This is a
investment payback. Machine performance is displayed in real-time, giving significant further development milestone, supporting
a fast overview of the most relevant production and spinners to achieve the ultimate goal of excellence in
Designed for top productivity laboratory data – as well as the machine’s energy quality and profitability.

“New Generation Drafting” ® (NGD)

USTER® SENTINEL
Rotorcraft AG of Switzerland to introduce New Generation Drafting at ITMA Asia
USTER® SENTINEL is much more than an end-break
detection system. It is a comprehensive solution for NGD consists of RT3 ® top arm and the mechanical represents a different distance. This not only solves
ring spinning optimization, with benefits in quality, compacting system Green Compact ® RoCoS. the problem of wrong manual distances, but also
productivity and efficiency. Data can now be makes it easy to check the setting of each top arm by
integrated with the Total Testing Center through The top arm RT3 ® solves a problem prevalent in checking on the colors. The mechanical compacting
USTER® TESTER 6, giving spinners an overview of every mill: conventional top arms use setting screws system Green Compact ® RoCoS combines superior
quality through all process steps in the mill, for for changing the distance between rollers. Manually yarn quality with remarkable power savings (as
focused control of production management. Adding USTER® ROVING STOP – complete control over end-breaks adjusting the settings of the top arm in this way compared to first generation, pneumatic systems).
USTER® ROVING STOP enhances the economic invariably leads to different distances along each ring It is easy to install and simple to operate.
advantages still further, reducing waste by stopping Using USTER® SENTINEL with USTER® ROVING frame. This in turn leads to uneven yarn quality.
the roving feed immediately an end-break is STOP improves productivity and cuts down the risk of Much as RT3 ®, Green Comact ® RoCoS follows
detected. quality problems in ring spinning. Potential quality By contrast, the RT3 ® eliminates set screws, and Rotorcraft’s design imperative: make life easier for
claims are avoided, since waste material and therefore human error. The distance between rollers is the mill! Combined into New Generation Drafting ®
USTER® SENTINEL’s bobbin build-up report is the uncontrolled fiber – which could affect neighboring changed by easily interchangeable, differently (NGD), they provide a simple and effective solution
key to optimized yarn production. The system’s spindles and the entire machine – are greatly colored roller holders instead of set screws. In this for drafting that is second to none. Visit Rotorcraft in
concept, each differently colored roller holder Hall H-1| C-23.

October/November 2018 October/November 2018