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Sample Measurement Graphs
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Click to view videos on roll measurement demos as they proceed on a PC display:
Profile Measurement Run-out and Roundness measurements Crown measurement scaling/filtering/centering The following are some screen shots of the RollTrack® measurement reports. The top one illustrates how several graphs can be viewed on the same display screen. Out-of-tolerance areas are shown in red color graph and station values. |
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The following graph shows that there is too much crown on the roll with a couple of low spots in it.
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T.I.R. (runout) measurement at the center of a roll:
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Readings between the sations can be seen by placing the mouse cursor over the graph. The below profile measurement was taken in hight accuracy mode displayed in 0,0001 millimeters |
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The following roundness measurement report is a good example of trouble shooting paper machine or roll grinder problems. A paper machine was corrugating the surface of a poly press roll causing runnability problems.
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Another diagnostic example: In this case the operator had the roll rotating while measuring (to save time and prevent sag) and it was concluded from the graph variation (and verified later) that there was a bad bearing on the tending end (left side) of the roll.
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Download Sample RollTrack® Measurement Reports:
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