Matsuura Machinery Corporation

Technology Research Association for Future Additive Manufacturing

Toshihiko Kato

Kouichi Amaya

Koichi Amaya

Mitsuyoshi Yoshida

Yasunori Takezawa

Kyusuke Horiguchi

Takashi Tameto

Tetsuya Igarashi

Kousuke Ishimoto

Hideto Matsubara

Tetsushi Midorikawa

Toshio Maeda

Shuichi Ohashi

Hiroshi Arakawa

Kazuhiro Shimizu

Yasuori Takezawa

Zempoh Shirahama

Masaki Kaneko

The stop time of a whole apparatus caused by planning of shaping, maintenance, replacement of a material, or the like is shortened. A three-dimensional laminating and shaping apparatus includes a plurality of shaping chambers, at least one material supplier that supplies a material of a three-dimensional laminated and shaped object onto a shaping table in each of the shaping chambers, at least one light beam irradiator that irradiates the material with a light beam, and a controller that controls the material supplier and the light beam irradiator. If the material supplier supplies the material onto one of the shaping tables, the controller controls the light beam irradiator to perform irradiation of the light beam onto the other one of the shaping tables.

Three-dimensional laminating and shaping apparatus, control method of three-dimensional laminating and shaping apparatus, and control program of three-dimensional laminating and shaping apparatus

A pallet changing apparatus adopting a tablecapable of moving back from and forth for a side of a turning shaftand having a oscillating portionfor placing workpieces W, W by means of pallets P, P so as to oscillate freely by an upright portionat the leading end of the table, wherein the turning shaftcovers a turning supporting portionat its lower end side and turns together with a pallet changing armand moves freely in a vertical direction, and an insertion and removal hollow spaceis provided, at the covering region, and allows the upright portionto be inserted into the insertion and removal hollow spaceand removed from the insertion and removal hollow space

Pallet changing apparatus

In metal powder processing equipment where metal powder is sequentially laminated on a table inside a chamber and laser beam melting or electron beam melting, and shaping by a cutting tool subsequent to the melting are performed, unmolded powder remaining at the time of the melting and cut powder generated by the cutting can be scattered by generating air flow with respect to the cutting tool from either side of a main shaft or a tool holder. As a result, life of the cutting tool is prolonged and quality of a cut surface can be improved.

Metal powder processing equipment

A pallet changing apparatus which adopts a tablethat is able to move back and forth in relation to a turning shaftand has a oscillating portionfor placing workpieces W, W' by way of pallets P, P&#x2032; so as to oscillate freely by a rising portionat the leading end of the table, and a bridging extending portionwhich bridges a supporting portion of pallet P or P&#x2032; in a pallet changing armwith both sides of the turning shaftforming a shape of covering across the upper side of the rising portionat a stage of the tabletransferring pallet P.

A three-dimensional shaping apparatus includes a shaping table, a squeegee, a sintering device, a cutting device, transport pathwaysthrough which metal powder and fumes that have been discharged to the outer side of a shaping tankafter cutting with the cutting device, and metal powder that has been discharged to the outer side of a chambersurrounding the shaping tankwithout forming part of the laminated layer, are transported to a sifterlocated at the top of a powder tank, and supply devices for inert gas that does not react with the metal powder at an inletof each transport pathway, so as to suppress oxidation of metal powder in the transport pathway for collected metal powder and fumes, and also dust explosion due to sudden oxidation of the same.

Three-dimensional shaping apparatus

A pallet changing apparatus adopting a tablecapable of moving back from and forth for a side of a turning shaftand having an oscillating portionfor placing workpieces W, W' by means of pallets P, P&#x2032; so as to oscillate freely by a rising portionat the leading end of the table, wherein the turning shaftcovers a turning supporting portionat its lower end side and turns together with a pallet changing armand moves freely in a vertical direction, and an insertion and removal holeis provided, at the covering region, and allows the rising portionto be inserted into the insertion and removal holeand removed from the insertion and removal hole

In a three-dimensional shaping device, a region of an elevatable/lowerable tablefor forming a powder layer and a region of a powder supply device are divided by a shield plate, an inert gas injection port is provided in the former region, the shield plate can be freely opened or closed so that a powder spraying squeegee traveling on the table is passed through, or a pipe which supplies powder from the powder supply device to the powder spraying squeegee which has traveled to the side of the shield plate penetrates through the shield plate, or a part of the shield plate is the powder supply port for the powder spraying squeegee which has traveled to the side of the shield plate and the pipe protrudes at a lower part and a sintering device applies a laser beam via a transparent region in a ceiling of a chamber.

Three-dimensional shaping device

Laminate molding equipment includes a molding part with a molding table on which a three-dimensional shape molded object is molded, a powder layer forming part supplying material powder on the molding table to form a powder layer, a light beam radiating part radiating a light beam to the powder layer to form a solidified layer, the powder layer forming part includes powder laminating equipment sequentially forming the powder layer on the molding table by moving along a predetermined direction at the molding table, and a moving position detecting unit detecting a moving position along the predetermined direction at the powder laminating equipment, and the control part recognizes the moldable region by output from the moving position detecting unit, and controls the light beam radiating part, and scans the position of the light beam by adjusting angles of two scan mirrors according to processing data of controlling the scanning device.

Laminate molding equipment and laminate molding method

A cutting method for an inner circumferential face or an outer circumferential face of a work using a cutting tool projecting from a main shaft which turns around a predetermined position serving as a center and for which a turning radius is adjustable, wherein a table that supports the work is set in a rotating central axis that is coaxial with a turning central axis of the main shaft, and the table is rotated in a direction opposite to a turning direction of the main shaft to increase a cutting velocity. The cutting method allows an increase to the cutting velocity under simple control.

Cutting method for inner circumferential face or outer circumferential face of work

A cutting method in which, in cutting a circumferential face of a work, control is enabled to make a cutting velocity constant accurately by using a cutting tool projecting from a main shaft which turns around a predetermined position serving as a center and for which a turning radius is adjustable, wherein, in the case that a turning angular velocity of the main shaft is represented as &#x3c9;, a distance from a turning center to a tip of the cutting tool is represented as R, and a cutting velocity of the tip of the cutting tool is set to a constant value C, making the cutting velocity of the cutting tool constant by performing control such that &#x3c9;0 changes in association with a change in the distance R so that&#x3c9;=()/is formulated (where {dot over (R)} denotes a time differential of the distance R), thus providing an even cut face.

Three-dimensional molding equipment includes powder supply equipment configured to supply powder material and form a powder layer, and a light beam scanning unit configured to radiate a light beam to the powder layer and move a radiated location thereof, where a three-dimensional shaped molding object is manufactured by alternately repeating processes of forming the powder layer and sintering the powder layer with light beam radiation. A region used for manufacturing the three-dimensional shaped molding object is divided into a plurality of divided regions such that respective divided regions have an equal-length molding path which is to be a scanning route of the beam such as having unequal-length molding parts by a scanning route of the beam, and radiation is executed by a plurality of the light beam scanning units to the respective plurality of divided regions to improve molding efficiency.

Three-dimensional molding equipment

A pallet changing system which utilizes the moving function itself of a machine head at a machining center for conveying a pallet and a configuration of a machining center equipping the system, combines a machine headfor machining a workpiece with a pallet changing unithaving a pallet changing armwhich can be rotated by a motorand then allowed to move, by which a palletis conveyed, and the new palletfor changing is changed with the existing palletgripped by a pallet clamping deviceby turning the pallet changing arm, and a machining center which equips the above system and also machines a workpiece by using the machine head

Growing community of inventors

Fukui, Japan

Toshihiko Kato