Look at the %Contribution columns for Total Gage R&R and Part-to-Part. The percent contribution for differences between parts (Part-To-Part = 17.54) is much smaller than the percentage contribution for measurement system variation (Total Gage R&R = 82.46). The %Study Var column indicates that the Total Gage R&R accounts for 90.81% of the study variation. So, most of the variation is due to measurement system error; very little is due to differences between part. See Guidelines for measurement system acceptability.