Machine, Japan
Machine, Japan

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Patent
SUGINO MACHINE Ltd | Date: 2016-04-06

A nozzle ejecting liquid and nozzle device ejecting a liquid upon mixing an abrasive into a liquid jet stream, obtains a converged jet stream. A nozzle includes: a main body; a buffer chamber in the body, whose central axis is an axis line being the liquid jet stream central line; a constrictor part ejecting the liquid, in a buffer chamber plane on a buffer chamber front side and whose central axis is the axis line; a disk plate inside the buffer chamber, facing the plane on the buffer chamber front side and whose central axis is the axis line; a supporting member supporting the disk plate within the buffer chamber; a supply opening in the body supplying the liquid; and an inflow channel along a direction different from the axis line extending direction, opened on a disk plate rear side and the buffer chamber and communicating with the opening.


Patent
Sugino Machine Ltd | Date: 2016-03-16

Provided is a fluid passage structure (1) having a first flow passage (3) and a second flow passage (4) crossing with each other via a crossing portion (5) in a casing (2), the crossing portion including a pair of arc-shape recessed portions (33) formed to be a pair of arc-shape lines (33a) arranged in line symmetrical positions with respect to an axis (L) of the second flow passage in a view along an axis of the first flow passage, each arc-shape line being a part of a cross sectional contour of the first flow passage; and an inside projecting portion (34) formed between the arc-shape recessed portions to project toward an inside of the first flow passage by connecting each end of the arc-shape lines, each end being closer to the axis of the second flow passage than the other end of a corresponding one of the arc-shape lines in the view along the axis of the first flow passage.


Patent
Sugino Machine Ltd | Date: 2016-03-30

To provide a fluid coupling that reduces the load on the main body of the fluid coupling so as to improve the durability. A fluid coupling (1) disposed in a pressure container (5) includes: a main body (2) having a through-passage (22) that is communicated with the pressure container (5) and allows flow of fluid; and a receiving member (6) disposed in the pressure container (5) to support this main body (2). The main body (2) has: an engaging portion (2o) that is formed on one side of the through-passage (22) and is disposed to be engaged inside the pressure container (5); and a conical surface (2j) formed on another side. The receiving member (6) has: a receiving portion (6b, 6c) having a tapered surface 6c with a groove angle identical to that of the conical surface (2j); and a circulation passage (6e, 6d) communicated with the other side of the through-passage (22). The conical surface (2j) of the main body (2) abuts on the tapered surface 6c of the receiving member (6) such that the receiving member (6) supports the main body (2).


Patent
Sugino Machine Ltd | Date: 2016-01-27

To provide a cleaning apparatus which is flexibly adaptable to a wide variety of workpieces so as to improve productivity while being suitably adaptable to high-pressure cleaning so as to improve cleaning work efficiency. The cleaning apparatus 10 for cleaning a workpiece W by jetting cleaning liquid from nozzles 22 disposed in a cleaning region E includes: a feeding device 40 that is disposed facing the cleaning region E to hold and move the workpiece W; a holding device 17 that is disposed on the feeding device 40 to hold the workpiece W; a moving device 70 that movably supports the feeding device 40; and a cover device 14 that shields the moving device 70 from the cleaning region E and allows the feeding device 40 to pass therethrough. The feeding device 40 moves the workpiece W to the cleaning region E for cleaning.


Patent
Sugino Machine Ltd | Date: 2016-03-09

To provide a straightening device that is large in effective sectional area and has high straightening performance, the present invention provides a straightening device (10) arranged in a fluid passage (26) for making fluid pass through it that is provided with: a main body (11) having an inflow port (12) arranged in the fluid passage (26) and for flowing the fluid into it, an outflow port (13) for flowing the fluid out of it, and a communication passage (14) for communicating the inflow port (12) with the outflow port (13); and multiple projections (15) that are arranged in a protruding manner toward a central part of the communication passage (14) from an inner peripheral part and extend along the communication passage (14), in which the projections are each configured to have a narrower width in the central part than that in an inner peripheral part of the communication passage (14) when seen from a flow direction of the fluid.


Patent
Sugino Machine Ltd | Date: 2016-08-10

A pumping system 10 that jets the fluid from the nozzle selected out of the plurality of nozzles is provided with: a piston pump 13 as a positive-displacement pump; a permanent-magnet type synchronous motor 16 as a rotational speed variable drive unit; a turret device 25 as selecting arrangement; a discharge pipe 19; the nozzle 27; a controller that controls the rotational speed of the drive unit; a storage that stores control parameters and a target value of the discharge pressure corresponding to each nozzle; and a pressure sensor 21, wherein the controller controls the rotational speed of the drive unit by feeding back the discharge pressure using the control parameters corresponding to the selected nozzle so as to match the discharge pressure with the target value. Thus, an acurate nozzle-dependent control of the reciprocating piston-pump is enabled.


Patent
Sugino Machine Ltd | Date: 2016-01-27

To provide a feeding device (40) which is capable of driving an object (W) with high accuracy while holding the object (W) and controlling its attitude and capable of improving durability by effectively separating a holding device (17) and a driving device (41, 49) from each other, and an object driving device. The feeding device (17) movably disposed through a cover device (14) so as to face a work region (E) shielded by the cover device (14), for holding an object (W), includes: a first rotary saddle (59) that is rotatable about a first axis; a second rotary saddle (47) that is disposed on the first rotary saddle (59) and rotatable about a second axis perpendicular to the first axis; a holding device (17) that holds the object (W); a first driving device (49) that is disposed outward of the cover device (14) with respect to the work region (E) to rotate the first rotary saddle (59); and a second driving device (41) that is disposed outward of the cover device (14) with respect to the work region (E) to rotate the second rotary saddle (47).


Patent
Sugino Machine Ltd | Date: 2016-11-02

A piston pump is provided with a material compressing cylinder which includes a cylinder chamber with an open rear end, a plunger, a holder for supporting the material compressing cylinder at a slight inclination angle with respect to the center axis of the plunger so that the cylinder head is disposed at the lower side in the gravity direction, a storage chamber for receiving the plunger, a linear drive unit for reciprocating the plunger, an intake port disposed on the head of the material compressing cylinder upward in the gravity direction, and an exhaust port disposed downward in the gravity direction. The storage chamber member is configured that the plunger is drawn into the storage chamber, and the cylinder chamber and the storage chamber are communicated when the reciprocating member of the linear drive unit moves to the terminal end of the stroke.


Patent
Sugino Machine Ltd | Date: 2016-05-11

To provide an abrasive nozzle head which makes the replacement of a mixer member easier than the related art. The abrasive nozzle head includes, within a hollow head body mounted to a nozzle adapter supplying high pressure water: a water nozzle; a mixing chamber; and an abrasive nozzle, which are arranged coaxially with the nozzle adapter. The abrasive nozzle head is provided with a abrasive supply portion that supplies a abrasive to the mixing chamber. The head body has a recessed hole formed by drilling from a side surface, the recessed hole intersecting with the jet axis of a water jet. A mixer member is removably inserted into the recessed hole, and formed with the mixing chamber and a abrasive supply port. The abrasive nozzle head also includes: a positioning portion that positions the mixing chamber coaxially with the water nozzle and the abrasive nozzle when the mixer member is fully inserted; and a fixing portion that releasably fixes the mixer member in the fully inserted position.


Patent
Sugino Machine Ltd | Date: 2016-01-06

Provided is a roller burnishing tool device (1) including a shank (2); a housing (3) connected to the shank, a connected position of the housing relative to the shank being adjustable; a roller support member (5) supported to be capable of rotating relative to the housing and attached to follow a movement of the housing in a case of adjusting the connected position; tapered rollers (51) supported by the roller support member; a mandrel (6) having a tapered portion (61b) matched with the tapered rollers and movable relative to the roller support member; and a tool diameter following mechanism (8) connecting the shank and the mandrel, having a lead groove (24) formed spirally in a front portion of the shank, a pin member (81) capable of moving along the lead groove, a pin member insertion hole (62b) formed in the mandrel to insert the pin member therein, and a biasing unit (82) biasing the mandrel forward.

Loading Sugino Machine Ltd. collaborators
Loading Sugino Machine Ltd. collaborators