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JP2009148840A |
To diminish the axial dimension of a spindle in a rotation-indexing table apparatus.This rotation-indexing table apparatus 1 for machine tool consists of a direct drive type motor 9 including: a motor rotor 7 which includes a spindle 4 r...
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JP4291313B2 |
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JP4286543B2 |
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JP4280795B2 |
A push-bar indexing device that, when an index table (3) is rotated by a specific angle, the table (3) is accurately stopped to accurately index a workpiece (4). Each time a push bar (8) is moved, a stopper (24) is moved to a predetermin...
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JP2009119568A |
To provide a device capable of solving the problem wherein a working error or chatter vibration during working is generated caused by a twist deformation of a work, capable of fixing and releasing a dividing angle at a light force in a s...
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JP4263702B2 |
The apparatus includes a chuck (1) with at least three centering grooves, and clamping pistons (16) that fix a pallet (2) over the chuck. Each centering groove has first and second lateral flank. The first lateral flank positions the cen...
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JP2009095954A |
To increase driving torque with respect to a rotating shaft of a table, while suppressing wear and turning into high temperature for a tooth flank, in an index table that uses a worm gear device for driving the rotating shaft of the tabl...
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JP4259818B2 |
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JP4257511B2 |
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JP4246805B2 |
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JP4233220B2 |
A turret tool rest (10) includes a tool slide (20), a tool rest body (22) movably provided on the tool slide, a turret (26) rotatably supported on the tool rest body, the turret permitting desired tools (24) to be individually mounted at...
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JP2009028866A |
To provide an indexing mechanism which can be driven with high precision and at high speed.According to the structure of the indexing mechanism, two worm shafts functioning as driving shafts are engaged with a single worm wheel functioni...
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JP4222798B2 |
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JP2009018401A |
To prevent the rotation of an inclined table exceeding an allowable rotation range in the case of the emergency shut-down of a power source such as a power failure.In this inclined table indexing device 1 wherein a rotary member for a ta...
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JP4215768B2 |
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JP4212237B2 |
A turret tool rest (14) includes a turret (24) movably supported on a base (22), on which desired tools can be mounted at predetermined indexable angled positions. A pair of coupling elements (66, 68), which can be engaged with each othe...
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JP2008302485A |
To provide a rotary indexing device avoiding occurrence of a table plate getting a high temperature resulting from a rotary shaft getting high temperature, and suppressing a thermal deformation of the table plate, a workpiece fixing jig,...
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JP2008296347A |
To provide the rotation indexing device which does not cause impact when starting and stopping the rotation of an index table, shortens the cycle time of rotation indexing even by speeding up the rotation, shows high performance, and has...
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JP4192901B2 |
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JP2008281468A |
To provide an angle determination accuracy measuring device and an angle determination accuracy measuring method capable of easily performing angle determination accuracy measurement of a rotational moving shaft, shortening measurement t...
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JP4175086B2 |
A wafer support device having a fixed base, a guiding device, a movable base disposed so as to move in a vertical direction with respect to the fixed base by the guiding device, a first pressing device pressing the movable base, a theta ...
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JP4172392B2 |
A fixation device for positioning a rotating machine tool onto a template, the template having at least one hole and at least one locating pin. The fixation device includes a housing with a housing tool end and a housing template end, a ...
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JP4170529B2 |
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JP2008238309A |
To provide a workpiece positioning device where freedom degree of attitude variation of the workpiece is large and space-saving can be obtained with a simple constitution.The workpiece positioning device is a device for applying welding ...
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JP2008213098A |
To provide a built-in type index table saving on space and reducing cost almost without backlash in a power transmission means.This index table is provided with: a rotary table 41 for mounting a workpiece of a machine tool; a rotary tabl...
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JP4150369B2 |
The clamping system, to hold one or more workpieces in defined positions at a machine tool, and the like, has one clutch section (10) and a second clutch section (15) which can be fixed and released. The first clutch section has at least...
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JP4125529B2 |
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JP4127737B2 |
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JP4124977B2 |
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JP2008155337A |
To provide an indexing device which exerts high indexing accuracy even if a workpiece has a large size.According to the structure of the indexing device, an indexing table 11 is rotatably supported on a base 10 by a radial bearing 14, an...
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JP2008142874A |
To propose a rotary table and a machine tool shortening a time required throughout positioning of a workpiece, machining, and re-positioning of the workpiece.This rotary table 1 is provided with: a driving source 2; a workpiece holding s...
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JP4093652B2 |
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JP2008110416A |
To provide a fluid pressure driven dividing device free to miniaturize itself in the axial direction or in the diametrical direction by improving working reliability of a main spindle rotating driving mechanism and a positioning fixing m...
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JP2008510629A |
The tool clamping device has two coupling parts. The first one is eccentric and has bars offset at different angles with limiting surfaces for precise positioning of the second one. The second one has side surfaces (11) with elastic lips...
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JP2008073791A |
To provide a tool arrangement technique for carrying out tool arrangement in high precision for a short period of time without fluctuation by a worker.A linear scale 4 in parallel with a Z axis 13 orthogonal with a B axis 14 is arranged ...
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JP4067134B2 |
A turret (11) is clamped to a tool rest main body (10) by a pair of coupling members (27). During indexing rotation for selecting a tool, the tool rest main body (10) and the turret (11) are moved relatively in a z-axis direction, the pa...
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JP2008508106A |
The device has a support (9) with receiving sides to receive a plate (2). A simple movement of a piston (35) in a spindle of a headstock (1) drives a cam (32) such that a clamping lever (13) moves by introducing its jaw in the plate`s ho...
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JP4062540B2 |
The machine tool (10) has a work spindle (11) containing a tool receiver (14) for a tool holder (15). A tool changing arm (23) has a grip (21) for the tool holder. to move it between magazine and working positions. There is an aligner (3...
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JP4053844B2 |
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JP2008036749A |
To provide an automatic swivelling device of an angular head in a machine tool, which automatic swivelling device can automatically swivel a head body having a submain spindle turnably mounted in the direction crossing a main spindle bod...
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JP4048366B2 |
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JP4031272B2 |
Angle measurement apparatus (1) with inner (130) and outer (100) components along a radial direction relative to a rotation axis (1.1). The components rotate relative to each other with a seal (1.3) between them. At least one end (112, 1...
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JP4031571B2 |
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JP4025970B2 |
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JP4014860B2 |
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JP4006253B2 |
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JP2007529691A |
The invention provides a fastener (212) for use in a network of fasteners (220). The fastener (212) has address means which serve to distinguish. the fastener (212) from the other fasteners in the network (220). The fastener (212) is ada...
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JP2007529690A |
The invention provides a fastening system ( 40 ) which includes a plurality of fasteners ( 12 ). Each fastener ( 12 ) is adapted to be locked or unlocked upon receipt of a suitable signal, such as an electric, magnetic or infrared signal...
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JP3995558B2 |
A method of optimizing the tool selecting operation of a turret according to the contents of a machining program in a turret tool rest allowing a rotating tool to be fitted thereto, including a step (101) for determining whether the rota...
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JP3997409B2 |
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