Dynamic Parallel Roll Alignment
Publication: Journal of Surveying Engineering
Volume 128, Issue 3
Abstract
A new method of checking the alignment of parallel rolls, while they are rotating, is described in this paper. The method utilizes the autoreflection technique, along with a strobe light and photoelectric trigger, to determine the orientation of the normal to a mirror fixed to the end of a roll. Three or more observations of the normal at different rotational positions of the roll allow for the computation of the roll’s rotation-axis orientation. The method was applied to a small machine in both the dynamic (operating) and static (nonoperating) modes. From this application, it was determined that standard deviations of orientations can be expected to be in the order of 4 arcs for the dynamic mode and 2 arcs for the static mode.
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References
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Information
Published In
Journal of Surveying Engineering
Volume 128 • Issue 3 • August 2002
Pages: 136 - 143
Copyright
Copyright © 2002 American Society of Civil Engineers.
History
Received: May 31, 2000
Accepted: Oct 3, 2001
Published online: Jul 15, 2002
Published in print: Aug 2002
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