Osg Corporation patents

Hard coating and hard coating-covered member

A hard coating, which is to disposed to cover a surface of a tool substrate, has a total thickness of 0.5-20 μm and includes an a layer and nanolayer-alternated layer that are alternately laminated by physical vapor deposition. The nanolayer-alternated layer includes a b layer and c layer that are alternately laminated. ... Osg Corporation

Reamer

An insert portion (3) of a reamer (1) is fixed, using screws (8), to a leading end portion of a body (2a). The insert portion (3) is configured by overlaying an insert (4) for finish machining and an insert (5) for rough machining, and forms a right hand cut right hand helix. ... Osg Corporation

T-slot cutter

A t-slot cutter (1) is a tool for cutting a t-groove in a workpiece, and includes a body (2a) and an insert portion (3). The insert portion (3) is fixed to a leading end portion of the body (2a) using screws (8). ... Osg Corporation

Insert type tool and thread mill

An insert portion (3) of a thread mill (1a) is fixed to a leading end portion of a body (2a) using screws (8). The insert portion (3) is configured by overlaying an insert (4) for finish machining and an insert (5) for rough machining. ... Osg Corporation

Formed rotary cutting tool

A formed rotary cutting tool includes a cutting edge defining a cutting edge diameter that is increased and reduced in a direction of an axis of the tool, so as to have at least one neck portion in which the cutting edge diameter is minimized. The cutting tool includes a roughing portion which is provided on a periphery thereof and which is constituted by a succession of protrusions and recesses arranged in the direction of the axis. ... Osg Corporation