Geometry of a stepped drill bit with sawtooth features (IMAGE)
Caption
(a) top view and (b) side view of the measured drill bit; (c)–(d) schematics illustrating and defining planar parameters; and (e)–(f) schematics illustrating and defining spatial parameters (Ps1: cutting plane of the major cutting edge; Pr1: reference plane of the major cutting edge; Po1: orthogonal plane of the major cutting edge; Ps2: cutting plane of the chisel edge; Pr2: reference plane of the chisel edge; Po2: orthogonal plane of the chisel edge).
Credit
Wenqi Wang, Wei Liu, Yang Liu, Yang Zhang, Zhenyuan Jia
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License
CC BY-NC-ND