System and a method for measuring and determining flatness
A system and a method for measuring and determining flatness of a strip (1) of rolled material. Said system is comprising a measuring roll (2) having a cylindrical central structure (41) having a number of measuring devices for force/pressure registration. Said devicesis generating measurement outpu...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
26.09.2002
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | A system and a method for measuring and determining flatness of a strip (1) of rolled material. Said system is comprising a measuring roll (2) having a cylindrical central structure (41) having a number of measuring devices for force/pressure registration. Said devicesis generating measurement output signals (Upi) depending on the contact between the strip and the measuring roll (2), wherein said measurement output signal (Upi) comprises a force component signal (UFi). Said system also comprises a Flatness Determination Unit (56), said unit being arranged for calculating the flatness (DELTAsigma1) of the strip based exclusively on signals derived from measurement output signal (Upi) values generated by said measuring devices and information about the values of the width and thickness of the strip (1). The system is continuously determining the Wrap Angle (alpha) from at least one measurement output signal (Upi) and automatically compensating for a changing Wrap Angle (alpha). The present invention also provides a computer program product, a computer data signal and a flatness determination signal for accomplishing said objects of the invention. |
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AbstractList | A system and a method for measuring and determining flatness of a strip (1) of rolled material. Said system is comprising a measuring roll (2) having a cylindrical central structure (41) having a number of measuring devices for force/pressure registration. Said devicesis generating measurement output signals (Upi) depending on the contact between the strip and the measuring roll (2), wherein said measurement output signal (Upi) comprises a force component signal (UFi). Said system also comprises a Flatness Determination Unit (56), said unit being arranged for calculating the flatness (DELTAsigma1) of the strip based exclusively on signals derived from measurement output signal (Upi) values generated by said measuring devices and information about the values of the width and thickness of the strip (1). The system is continuously determining the Wrap Angle (alpha) from at least one measurement output signal (Upi) and automatically compensating for a changing Wrap Angle (alpha). The present invention also provides a computer program product, a computer data signal and a flatness determination signal for accomplishing said objects of the invention. |
Author | GREFVE KENNETH BOSSON JORGEN JONSSON LARS HALLEFALT MAGNUS |
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Snippet | A system and a method for measuring and determining flatness of a strip (1) of rolled material. Said system is comprising a measuring roll (2) having a... |
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SubjectTerms | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PHYSICS PUNCHING METAL ROLLING OF METAL TESTING TRANSPORTING |
Title | System and a method for measuring and determining flatness |
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