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MAHON FLUME CARRIAGE


Location
Louisiana
Publication Date
07/02/2019 02:48 PM EDT
Closing Date
07/24/2019 03:00 PM EDT
Issuing Organization
University of New Orleans
Solicitation Number
Description

Specifications include, but are not limited to:  10 m linear actuator with an encoder that would give position data to a computer  0.6 m linear actuator mounted 0.3 m off to one side of the carriage which would move vertically (see diagrams attached)  Laser topography imaging system (SICK Ranger 3 or equivalent)  Programming that would allow for control of motion of both actuators as automated routines (i.e. back and forth along the 10m length at user definable speed and intervals) or as single point-to-point traverses, control of the topographic scanning (i.e. what frequency/frame rate, whether to collect in one direction or both directions of motion), and collection of position tied to topographic data (ultimate outcome being a file with x, y position, laser-camera-derived elevations, and time).  Information on the object to be measured:  Overall Dimensions: imaged region is 0.6 m wide, the imaged forms will be on the order of 2-20 cm high at a distance of ~0.5-0.8 m away from laser;  minimum defect/inspection criteria: the vertical precision needed would be ~1 mm, similar for the positional accuracy for the linear motion;  shape, material, etc.: the shape will be irregular ripples but with no steep faces greater than 40 degrees; the material will be quartz sand grains.  Actuator speeds, accelerations, attached mass (estimated)  Actuator speeds on the order of 1 to 2 m/s maximum, with typical operating speeds much lower. Accelerations are not critical but 0.5 to 1m/s2 or more would be good.

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