ACTA ASACTA AS

Eddy current & UltrasoundEddy current & Ultrasound

Roll testingRoll testing

ACTA 1962 – 2002ACTA 1962 – 2002

• 40 years of High Tech,40 years of High Tech,

Quality, and Customer Quality, and Customer CareCare

• 40 years of specialization 40 years of specialization

in industrial non-in industrial non-destructive testingdestructive testing

A International

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Industrial Industrial testingtesting

ACTA ACTA success stems from its highly success stems from its highly specialized team gathering development specialized team gathering development

engineers, computer, electronic and engineers, computer, electronic and service technicians.service technicians.

Eddy current + UltrasoundsEddy current + UltrasoundsWhy a combination?Why a combination?

• Pressure cracks often initiate in the Pressure cracks often initiate in the roll immediate subsurfaceroll immediate subsurface

• New roll grade developments require New roll grade developments require an earlier defect detectionan earlier defect detection

• Possible shell / core disbonds in Possible shell / core disbonds in bimetallic rolls need close attentionbimetallic rolls need close attention

How does it work?How does it work?

• Eddy current are an Eddy current are an electro magnetic electro magnetic field induced on the field induced on the roll surface. roll surface.

• Ultrasounds are Ultrasounds are waves mechanically waves mechanically transmitted to the transmitted to the roll body.roll body.

Excellent surface detectionExcellent surface detection High sensitivityHigh sensitivity Detects metallurgic changes Detects metallurgic changes

(bruises)(bruises)

Excellent subsurface detectionExcellent subsurface detection Allows much deeper detection Allows much deeper detection

(bond)(bond) Measures crack depthMeasures crack depth

Fully digital main unitFully digital main unit

Digital means : No hassle with constant recalibrations.

Reliable and repeatable results

Easy use of different testing programs, adapted to your roll grades

Automatic positioning test Automatic positioning test headhead

• Test head including all Test head including all sensors is automatically sensors is automatically positionned over the positionned over the roll surface. Gap is roll surface. Gap is maintained constant maintained constant whatever the roll crown whatever the roll crown or the grinder or the grinder misalignmentmisalignment

Automatic ultrasound test runs along Automatic ultrasound test runs along with eddy current testwith eddy current test

User friendly interface

PC based, Windows environment, clear PC based, Windows environment, clear displays, intuitive operation, several languages displays, intuitive operation, several languages available...no wonder why operators use the ACTA available...no wonder why operators use the ACTA AS with such comfort and confidence.AS with such comfort and confidence.

And so many more features…And so many more features…

Fully digital, no calibration neededFully digital, no calibration needed Test results and roll data are automatically stored in Test results and roll data are automatically stored in

a simple and automatic way.a simple and automatic way. Easy to network, even wirelessly, management Easy to network, even wirelessly, management

keeps a hand on all test results.keeps a hand on all test results.

References WorldwideReferences Worldwide

Simpson Technical Sales, Inc. Simpson Technical Sales, Inc. 212 University Drive212 University Drive

Aliquippa, PA. 15001-1645Aliquippa, PA. 15001-1645Phone: 724-375-7133Phone: 724-375-7133

Cell Phone: 412-671-1930Cell Phone: 412-671-1930FAX: 724-375-7657FAX: 724-375-7657

E-MAIL: E-MAIL: simpsondbsimpsondb@@attbiattbi.com.com

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