Prediction of Crack for Drilling Process on Alumina Using Neural Network and Taguchi Method

Table 3

Ceramic specifications.

Item	Specification
Material	99.7%
Size (mm^3)	26 × 33 × 3.2
Hardness (HV)	1,700
Bending strength (Kgf/mm^2)	3,500
Compression strength (Kgf/mm^2)	30,000