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Table 3 Results of error evaluation

From: Rheonomic phenomenon shrinkage of holes drilled in fibreglass and carbon fibre-reinforced polymer composites

Tool usage parameters Tool S \( \overline{x} \), мм x , мм t t n (0, 99) Rejection condition
Sm = 50 mm/min
n = 10,000 rev/min
Diamond drill 0.008667 10.077 10.090 1.499 3.54 No
HAM 380 drill 0.0113 10.0355 10.060 2.168 3.54 No
Sm = 75 mm/min
n = 15,000 rev/min
Diamond drill 0.0229 10.053 10.02 1.440 3.54 No
HAM 380 drill 0.015 10.040 10.065 1.666 3.54 No
Sm = 300 mm/min
n = 20,000 rev/min
Diamond drill 0.0123 10.051 10.03 1.707 3.54 No
HAM 380 drill 0.00707 10.023 10.01 1.838 3.54 No