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JP3992484B2 |
An automatic tool-exchanging apparatus is provided which extends/contracts an arm with a rational and simple structure and can realize a high-speed operation essentially obtainable by making the arm's turning radius small. The apparatus ...
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JP3992681B2 |
Provided is an ultra-precision feeding apparatus. The feeding apparatus comprises an actuator horizontally positioned between a base and a motion stage movably provided to the top of the base, first hinge member which is fixed to the bas...
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JP3987380B2 |
A tool holder (21) for attaching a complex tool (12,17) having a plurality of kinds of cutting edges to a turret (10), has a base portion (22) attachably and detachably formed at the turret. The base portion has a rotatable tool spindle ...
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JP3981288B2 |
A method to remove pieces ( 14 ) cut off from bar-shaped workpiece material ( 5 ) by a cutting machine ( 1 ) is provided as well as an apparatus to carry out this process, wherein the piece ( 14 ) of the material ( 5 ) to be cut lies on ...
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JP3976536B2 |
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JP3976537B2 |
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JP3977662B2 |
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JP2007231995A |
To inexpensively provide an index table capable of stopping at multi-position by using fluid pressure as a driving source. This index table is provided with a piston (rack piston) having a rack tooth reciprocated by the fluid pressure, a...
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JP3966972B2 |
To reduce cost by dispensing with preparing tools for each process by performing processing by using the same tool for another process even if the process is different. A first indexing mechanism 30 for a tool main spindle 14 is provided...
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JP3959152B2 |
To provide a clamping device which clamps a workpiece or a tool in a proper position which enables handling of the workpiece or tool despite its very large size or weight, wherein the device is structured strong and is unlikely to be inf...
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JP3133886U |
To provide a rotary positioning stage capable of high-precision angle correction with a simple structure and having few protrusions from the periphery of a rotary table. A main body 2, a rotary table 3, a shaft 6, a stepping motor 5, and...
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JP3940863B2 |
To provide an interchangeability of a rotary actuator by increasing the accuracy of an oscillating stop position in an indexing device in which the rotary actuator is used. An indexing device comprises an oscillating unit 1, a transmissi...
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JP3927506B2 |
To provide a cross rail positioning device capable of sufficiently withstanding a large load even in the case of using an air cylinder device which does not generate the driving force for directly opposing to a load of the cross rail as ...
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JP3929157B2 |
To attain an electrically driven engagement and disengagement mechanism for fixing a turret firmly at an indexing position on a supporting base and releasing the fixing without need for an additional motor. This turret tool rest device i...
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JP3927505B2 |
To provide a cross rail clamping device capable of realizing elimination of the oil pressure without giving an impairing cross rail movement control function for controlling with fixation/release of clamp by using an air cylinder device ...
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JP3925227B2 |
To provide a rotational angle control method for a turntable of a disk turner for forging press capable of setting the higher stopping accuracy of the turntable at a minimal angle even if the temperature and pressure of operating oil var...
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JP3927208B2 |
To realize highly accurate positioning in the rotation direction in a short period of time. A rotation positioning device 1 positions an object by rotating it at a prescribed angle with a rotating body 12 arranged freely rotatably to a b...
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JP3922476B2 |
To remarkably easily, safely and securely operate a bevel lock mechanism by arranging a bevel lock operating handle for bevel lock mechanism in a front surface side of a base. In the condition that the angle of inclination of a sewing bl...
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JP3914586B2 |
To rapidly and simply regulate a position of a cutting edge of a planer knife of a planing machine. A stopper for a regulating member 28 of the regulating plate is formed as a groove, a leg 29 of the member is fixed in the groove so that...
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JP2007508953A |
The workpiece holder consists of a frame (200) supporting two guide bearings (210, 220) with a transverse axis of rotation relative to the machine tool. The bearings hold a rotary workpiece carrying plate (100) with an integral drive mot...
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JP3886396B2 |
To provide a workpiece positioning device capable of highly accurately positioning a workpiece on its support member attached to a pole stand type tool. In the workpiece positioning device, slits 80a are provided in a floor plate 80 in i...
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JP3886237B2 |
To set a plurality of edge point positions by a single lathe turning tool. In a tool mounting part, positioning can be made in a work position, an edge point position data file memory 217 storing an edge point position data in each work ...
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JP3888280B2 |
To provide an inexpensive rotation positioning device for a rotor not required to use an optical sensor and a rotary encoder. This rotation positioning device for a work W of a disk shape having a key groove Wa in an eccentric position h...
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JP2007032722A |
To provide a rotary indexing device of a simple structure capable of surely operated as a stop position of a rotating shaft is not displaced even when considerable external force is applied to the rotating shaft.First and second racks 39...
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JP2007015072A |
To provide a large-sized rotating stage capable of being constituted to be thin from a mounting surface to an upper surface of a table.The table 11 is made rotatable by a plurality of circular-arc shaped guide rails 27 disposed at interv...
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JP2006334711A |
To provide a positioning table device capable of finely moving and rotating a heavy object, while suppressing generation of foreign matter.An arm 13c has parallel springs 13v, and thereby an abutting position of a driven part 13t and a r...
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JP3847842B2 |
To ensure a high repeatable positioning characteristic of a probe in a work position, and provide the prove with a high repeatable measuring characteristic and an accurate tool setting performance. An arm 14 retaining a probe 18 can move...
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JP2006310686A |
To provide a positioning table apparatus where a load is positioned in a lockable way, while the apparatus is inexpensively manufactured.Since a detector S is provided for detecting a hydrostatic pad 12b of a hydrostatic bearing 12 seate...
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JP2006281352A |
To provide a drive control device of a turn table at low cost, constructed simple in structure and lightweight, and suitably controlling the position, and the speed in stopping and starting, and having high reliability.A slider 1 driven ...
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JP2006272507A |
To provide an index device for an electric discharge machine installed in every type of an electric discharge machine regardless of being new or already installed new or existing by making the index device having an indexing mechanism co...
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JP3826570B2 |
To easily, smoothly and accurately effect the next clamping action of a tool rest while allowing for not only the machining error and secular change of a coupling but also the influences of machining. This invention is applied to a lathe...
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JP3821892B2 |
To provide the device and method that are capable of automatically supplying and discharging bar stock, that save labor and time in setting, that are capable of constantly feeding even a long bar stock, and that are used for accurate mac...
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JP2006205266A |
To provide an index rotary device capable of performing silent operation in driving, by improving meshing efficiency, by removing a backlash between a cam projection strip part and a driven ball with a simple constitution.The driven ball...
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JP3804718B2 |
To provide interchangeability of a rotary actuator to improve precision of an oscillation stop position, in an index device using the rotary actuator. An index device comprises an oscillation unit 1; a transmission unit 2; and an index t...
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JP2006142463A |
To simplify a structure for positioning the rotational position of a workpiece.A rotating shaft holding part 12 has a built-in rotation shaft 31 directly connected with a rotating shaft 15 of a motor 13, and a workpiece holding part 17 h...
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JP3771412B2 |
To provide variable phase difference mechanism having a rotor or a housing having suitable resistance to surface damage while reducing the weight of the mechanism, and a manufacturing method for it. The housing 4 has a partition part 25 ...
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JP3767310B2 |
To solve such conventional problem that a substrate of an object of laser beaming is bent and is difficult position precisely when the substrate was thin and rigidity of the substrate is lower than a fastening strength of a substrate sto...
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JP2006095633A |
To provide a work chuck device, which apparatus does not cause the deflection of the workpiece even when the clamping force between workpiece centers is large in the case of fixing a comparatively long workpiece, such as a crankshaft, an...
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JP3760201B2 |
A protrusible tool 14 is attached to an end portion of a movable member 1, and shoulder parts 11, 12, and 13 that have different heights are provided at the end portion of the movable member. The movable member 1 is set in the moving dev...
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JP3757010B2 |
To provide a material index device in an automatically operable laser beam machine provided with a material detecting means automatically detecting positional deviation or defective installation after installing a material and a power ch...
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JP3755943B2 |
To provide a cam device which can achieve the reduction of a diameter of a follow-up turret while ensuring the rigidity required by the follow-up turret by devising in such a manner that the wall thickness of a peripheral fringe part of ...
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JP2006505417A |
Guidance device (10) for positioning at least a workpiece (12) with a workpiece position control device (14) that is configured as a sensor unit (16) for contactless workpiece position control.
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JP3746730B2 |
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JP2006039958A |
To shorten positioning time in case of repeating a certain operation such as index calculation by using an actuator with a harmonic drive reduction gear.An indexing system 1 comprises an actuator 3 for indexing an index table 2, and the ...
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JP3741622B2 |
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JP2006025525A |
To increase the rigidity of a rolling bearing 11a without accompanying by the increase of a size and a rotational resistance.Two action points P1' and P2' of the rolling bearing 11a are arranged at the axial outside of both inside and ou...
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JP3737938B2 |
To provide a machine tool capable of preventing interference between a tool rest main body and a second head-stock without upsizing a fixed bed and lowering supporting stiffness. In this complex machining lathe, a first head-stock 3 is a...
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JP3738601B2 |
To provide a method of and a positioning device for assembling an internal diameter reference part, which position the assembly of the internal diameter reference part without performing accurate work for positioning. An inner surface pa...
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JP2005329478A |
To perform predetermined rotating angle control in any rotary driving device by a control part by providing a memory incorporating an angle correction value in the rotary driving device.In this rotary driving device, a rotary table 13 is...
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JP3721563B2 |
To make an operation for mounting and dismounting a reference tool on the spindle 6 and a storage space for the reference tool in the case of the phase adjustment of a workpiece w unnecessary, and further to prevent the direct applicatio...
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