Geometric Evolvement, Simulation, and Test of a Bionic Lateral PDC Reamer Bit Inspired by Capra sibirica Horn

Table 1

Compare of the blades.

Name	Rotation angle variance of the teeth	First reaming tooth number	Last reaming tooth number	Number of the teeth for cutting	Utilization rate of the teeth
Horn shape blade	0.016	15	20	6	30%
Bionic blade	0.00081	3	20	18	90%