4462 Measuring Instrument Lab Handout
Each student will be given a “bearing roller” Keep up with your unique workpiece. You will measure both the diameter and length for your bearing.
First, measure with the decimal ruler
Diameter: _____________
Length: ___________
For this ruler, record to two decimal places. Make your best estimate of the hundredths place.
Now measure with the both of the digital calipers
Caliper 1
Diameter: ________
Length: ________
Caliper 2
Diameter: ________
Length: ________
Measure with dial calipers
Diameter: ________
Length: ________
Measure with micrometer:
Diameter: ________
Length: ________
Measure with the dial height gage:
Diameter: ________
Length: ________
Measure with digital height gage:
Be sure to calibrate from gage block first.
Diameter: ________
Length: ________
Estimate the Surface Roughness with the comparator
Roughness: _______Ra
