Methods of forming holes in a workpiece and associated systems
作者： Donald E. Henry , Brian A. Thompson , Frank P. Hess
DOI:
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摘要: Described herein is a first method of forming hole (60) in workpiece (100), having surface (110) and second (112) opposite the (110). The includes (120), diameter (D 1 ), (100) by passing cutter (116) through from to (112). Additionally, chamfer (142) concentric with (120) using (130). (132) has 2 ) larger than ). further (160), fourth 4 third (150)
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