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62 PTJ October 2012

Uster Technolog ies Ltd launches a new

CLASSIMAT classification system. The

USTER CLASSIMAT5 takes quality assur-

ance to a new level, enabling a deeper

understanding of defects and their causes

and finding ways to prevent them.

Innovative features and capabilities can

pinpoint outliers, providing consistent

quality levels for both producers and users

of ya rns.

Pa ramet ers measured by t he USTER

CLASSIMAT ha ve played a vita l role in

spinning mills and yarn trading worldwide

since the instrument w as f irst d eveloped

more than 40 years ago.

The classification o f ya rn defect s

according to their size and length into 23

standa rd classes is used ext ensively to cer-

tify yarn quality, to help control spinning

processes and to optimize yarn clearing at

the winding stage. In the meantime, qual-

ity demands have increased enormously.

While fault classification based on the

w ell-proven ana lysis of thick and th in

places remains fundamental, it must now

also cover critical parameters such as for-

eign matter, count variation, periodic

faults, unevenness and hairiness.

An important quality management

aspect that has grown rapidly in signifi-

cance is the need for consistent quality as

much as a bsolute q uality. This dema nds

critical new to ols for large-scale prod uc-

tion, to assess extreme deviations from the

quality norm referred to as outliers.

Classifying all outliersAddressing these requirements,

USTER CLASSIMAT5 delivers all the tra-

ditional classificat ion stand ards, w hile

broadening its scope to include outliers,

which are often the root cause of claims

and inconsistent yarn quality.

USTER CLASSIMAT 5 for th e first

time detects and quantifies outliers for

periodic faults, evenness, imperfections

and hairiness, in addition to critical thick

and th in places. The USTER CLASSIMAT5

is the tool of choice for those w ho w ant tounderstand the nature and sources of

these defects and to develop preventive

strategies. Especially important are its

powerful foreign matter tools for assessing

colored foreign fibers, vegetable matter

and for the first time polypropylene

content.

Powerful analysis capabilitiesThe full rang e o f q uality measurements

ha ndled by USTER CLASSIMAT5 is com -

plemented by pow erful ana lytical tools.

USTER CLASSIMAT 5 integrat es a

clearing limit analysis feature, which can

estimate and display the applied clearing

limit for the yarn, as well as providing an

index to optimize the clearing limit in each

area, including foreign matter.

Yarns from different lots or suppliers

can now be compared, to identify the bestand the next best quality levels, with

detailed figures available at a click and

presented a s intuitive color codings.

State-of-the-art technologyThese customer benef its are possible

thanks to the most technically-advanced

sensors and superior hardware for detec-

tion and eventual classification of all types

of defects.

For the first t ime, U STER CLASSIMAT

5 measurements are independent of the

ma chine or test speed variations. Theunique mounting module includes a spe-

cial cleaning facility to prevent dirt and

fluff in the measuring zone. An array of

guides and a tension control also ensure

highest accuracy in foreign matter classifi-

cation.

Dr. Geoffrey Scott, CEO of Uster

Techno logies Ltd, comments: We are

proud to offer the new generation of

CLASSIMAT to the text ile industry. The

USTER CLASSIMAT 5 brings q uality

assurance to a new level, introducing an

unrivaled rang e of new feat ures and capa-bilities. It is not o nly an indispensable pre-

cision tool for both producers and users of

yarns, it is also transforming the indus-

try.

U ster Techn olo gies launches the ne w U STER CLASSIM AT 5Beyond classification und erstandin g and p reventing d efects

USTER CLASSIMAT The yarn classifi-

cation system.

USTER CLASSIMAT

mounting module.