Honda Motor Co., Ltd.

Shugo Arakawa

Katsumune Inaki

Tetsuo Ishii

Motoki Uchikawa

Daiki Sakai

Masayuki Kaneko

Kazuhide Ito

Hiroshi Kashiwagi

Tatsuhiko Tanaka

Kenichi Imabuchi

Takayuki Motojima

Taro Nakamura

Kouichi Tanizaki

Masakazu Kubo

Tomoyoshi Miyagi

Takeshi Shibata

Tatsuya Koizumi

Shingo Mitsui

Makoto Izumi

Shoji Shibata

Kenichi Masuda

Yuki Yamaura

Two cylinder heads are disposed side by side. Upper side intake valve holes of one of the cylinder heads and upper side exhaust valve holes of the other of the cylinder heads are simultaneously machined by a multi-spindle head integrally including intake side tools and exhaust side tools. After moving the one of the cylinder heads upward by a pitch of the intake valves and moving the other of the cylinder heads upward by a pitch of the exhaust valves, remaining intake valve holes of the one of the cylinder heads and remaining exhaust valve holes of the other of the cylinder heads are simultaneously machined.

Machining method and machining apparatus of valve holes of cylinder head, and clamp device

Two cylinder heads () are disposed side by side. Upper side intake valve holes () of one of the cylinder heads () and upper side exhaust valve holes () of the other of the cylinder heads () are simultaneously machined by a multi-spindle head () integrally including intake side tools (to) and exhaust side tools (to). After moving the one of the cylinder heads () upward by a pitch Pof the intake valves and moving the other of the cylinder heads () upward by a pitch Pof the exhaust valves, remaining intake valve holes () of the one of the cylinder heads () and remaining exhaust valve holes () of the other of the cylinder heads () are simultaneously machined.

A tool stocker includes main stockers for holding a plurality of tools detachably mounted on a main spindle for machining a workpiece, an auxiliary stocker for holding and transferring tools to and from the main stockers, and a tool transfer mechanism for transferring tools between the main stockers and the auxiliary stocker. The auxiliary stocker includes a plurality of tool pods for removably supporting the tools therein, a rail in sliding engagement with outer surfaces of the tool pods, a chain for moving the tool pods in sliding engagement with the rail, and a motor for actuating the chain. The rail has a recess defined therein in alignment with the tool transfer mechanism, such that the tools transferred by the tool transfer mechanism pass through the recess.

Tool stocker, machine tool system, and tool damage detecting apparatus

A machine tool has a Z table sliding in the Z direction in a horizontal plane, a support body provided on the Z table and sliding in the vertical direction, a rotation arm supported at the support body and endlessly rotatable in a vertical plane facing work, an arm motor for rotating the rotation arm, a processing spindle rotatably supported and placed at a position of a distance R from the center C of rotation of the rotation arm, and a spindle motor for rotating the processing spindle.

Machine tool including a Z-table and processing spindle rotatably supported on a rotation arm

A machine tool is provided with a machining unit, a base plate, an intermediate plate, a lower plate, and a pair of upper plates. The machining unit is fixed to a frame. The base plate is movable along a rail on the frame. The base plate moves a work piece toward and away from the machining unit. The intermediate plate is movable along the rail between the machining unit and the base plate. The intermediate plate pushes a reference plane of the work piece set on the base plate so that the work piece is positioned in a machining position. The lower plate is tiltably connected to the base plate and the upper plates are tiltably connected to the lower plate.

Machine tool

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Tochigi, Japan

Shugo Arakawa