P08028: Magnet Centering Device
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Test Rig Specifications

Test Rig General Specifications
Test Rig Specifications Units Value Max Min
Total Assembly concentric (from peak to peak distance) mm 0.025 0.03 0.02
Adhesive Tensile Test (Epoxy Adhesive) MPa 41.9 69.6 13.8
Adhesive Shear Test (Epoxy Adhesive) MPa 10.3 41.4 2.24
Adhesive Temperature Test C 20 260 4.44
Cure Time (Epoxy Adhesive) min 10 10100 0.33
Shrinkage of Epoxy % 0.1 1 0.05
90 Degree Optical Stages Degrees 90 90.5 89.5
Linear Stages (Repeatability-Biaxial) mm 0.001 0.005 0.0002
Linear Stages (Resolution) mm at 50000 steps/rev 0.00013 0.00013 0.0005
Linear Stages (On-axis accuracy) mm 0.005 0.0035 0.002
Linear Stages (minimum incremental motion) mm 0.001 0.0025 0.0001
Rotary Stage Degrees 1 10 1
Linear Stages (Weight Load) kg (lbs) 22.67 (50) .45 (1) .11 (0.25)
Positioning Sensors mm 0.001 0.005 0.00001
Prototype Budget Dollars 12,000.00 15,000 5,000.00
Automation (Number of times Human touches assembly) Human interactions 10 <50 0
Time to Center min 30 10080 10
Size of device square meters (ft2) 0.092 (1) 0.371 (2) 0.46 (0.5)
Weight of device kg (lbs) 22.7 (50) 34.0 (75) 2.3 (5)
Balanced assembly No Concern No Concern No Concern
Calibration min 20 180 10
Maintenance min 20 60 10

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