Drill and method of manufacturing drilled product
AssigneesMakotoloy Co., Ltd., Honda Seimitsu Kogyo Kabushiki Kaisha, Subaru Corporation
InventorsHirofumi Higashiwaki, Takuya Honda, Masao Watanabe, Manabu Saito
Life of this patent
Estimating the term…
Abstract
According to one implementation, a drill that drills at least one of a composite material and a metal is provided. A web thickness at least at a tip of the drill is not less than 5% and less than 25% of at least one diameter of the drill. Further, according to one implementation, a method of manufacturing a drilled product is provided. The drilled product is manufactured by drilling a workpiece using the above-mentioned drill. The workpiece is made of the at least one of the composite material and the metal.
Claims20
A drill that drills at least one of a composite material and a metal,
- wherein a web thickness at least at a tip of the drill is not less than 5% and less than 25% of at least one diameter of the drill, and
- wherein a body of the drill is made of a cemented carbide or a material having at least a hardness and a toughness substantially same to a hardness and a toughness of the cemented carbide.
Dependencies are inferred from the claim text.