Blade
AssigneeTungaloy Corporation
InventorShunsuke Miyazawa
Life of this patent
Estimating the term…
Abstract
A blade in which coolant can be efficiently supplied to a machining place with a reduced pressure loss is provided. In a blade 100 in which a cutting insert 13 is attached to an insert attachment portion 12 provided at a longitudinal end part of a blade body 11 formed in a long plate shape, the blade body 11 includes a supply inlet 51 opened at one side surface, a lower discharge port 53 and an upper discharge port 54 that are opened at an end face nearby the insert attachment portion 12, a lower coolant supply path 55 connecting the supply inlet 51 to the lower discharge port 53, and an upper coolant supply path 56 connecting the supply inlet 51 to the upper discharge port 54, and the lower coolant supply path 55 and the upper coolant supply path 56 each have a curved shape in a side view.
Claims7
A blade in which a cutting insert is attached to an insert attachment portion provided at a longitudinal end part of a blade body formed in a long plate shape, wherein
- the blade body includes
- a supply inlet opened at one side surface,
- a plurality of discharge ports opened at an end face nearby the insert attachment portion, and
- a plurality of coolant supply paths connecting the supply inlet to the plurality of discharge ports, and
- the coolant supply paths each have a curved shape in a side view,
- wherein the coolant supply paths each have a cross-sectional area that gradually decreases from the supply inlet toward a corresponding one of the discharge ports.
A blade in which a cutting insert is attached to an insert attachment portion provided at a longitudinal end part of a blade body formed in a long plate shape, wherein
- the blade body includes
- a supply inlet opened at one side surface,
- a plurality of discharge ports opened at an end face nearby the insert attachment portion, and
- a plurality of coolant supply paths connecting the supply inlet to the plurality of discharge ports, and
- the coolant supply paths each have a curved shape in a side view,
- wherein the blade body includes a chamber in which coolant supplied to the supply inlet is accumulated at a bifurcation place where the plurality of coolant supply paths are bifurcated from the supply inlet, and
- a fillet portion having a circular arc shape in a sectional view is formed at a place where the chamber is connected to the coolant supply paths.
Dependencies are inferred from the claim text.