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JP2022543597A |
A rotary table is disclosed having a stationary table portion 10 and a table portion 14 rotatable relative thereto and a control device 18 for forming and releasing a clamping connection between the table portions 10, 14, the control dev...
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JP2022110244A |
To provide a tool holder capable of receiving a machining load applied to a fixed tool by a simple constitution; and to provide a tool spindle unit and a machine tool.A tool holder 71 used for a fixed tool 70 includes a mating protrusion...
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JP7098787B2 |
A pushing force-actuated braking device includes an annular housing that houses a brake disc, a braking piston, plural braking elements, and a brake-releasing piston. When only the braking piston is under the action of a fluid, the braki...
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JP7093991B2 |
To provide a rotary shaft brake gear which can obtain a large brake force with a small control force.A brake gear 27 for a rotary shaft 15 in which a rotary shaft 15, which is rotatably provided on a stationery portion 14, is provided wi...
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JP7040997B2 |
To provide a main spindle attachment adjusting device which can use a usual attachment as it is and can change the attachment in an arbitrary direction by utilization of rotation of a main spindle, and a machine tool.A main spindle attac...
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JP7030848B2 |
A device for clamping a rotatably mounted shaft element including: a housing element having an annular housing portion wherein the shaft extends in the axial direction; an elastically deformable annular clamping ring element arranged in ...
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JP7010873B2 |
A machine tool including a rotary table to which a workpiece to be subjected to machining is attached, a motor that rotates the rotary table, a brake that places the rotary table in a clamping state or an unclamping state, a valve that c...
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JP7000305B2 |
A machine tool includes a tool magazine configured to hold a plurality of tools, the tool magazine having a rotary unit rotatable around a predetermined rotary axis and a measured portion provided in the rotary unit, a sensor disposed ou...
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JP7000295B2 |
A system determining whether the feed shafts are normal or abnormal, the system including: a command generation unit that moves the feed shafts in a forward direction at a predetermined speed from a lower limit value to an upper limit va...
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JP2021534005A |
Clamps are generated between the clamp surfaces (24, 26) that face each other and form a frictional bond between them in a fixed body (2) and a body (4) that is movable relative to it, especially in the form of a round index table. Devic...
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JP6944604B1 |
To provide a rotary table mechanism capable of switching between low-speed high-torque drive and high-speed low-torque drive, and a table unit using such a rotary table mechanism. A rotary table mechanism 100 is input with a first rotary...
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JP3231421U |
To provide an angle head whose mounting position can be adjusted and a positioning device used therefor, which can adjust the distance between the angle head and a processing machine. An angle head whose mounting position can be adjusted...
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JP6845053B2 |
To suppress generation of vibration even if a large load is applied in a cam device structured to transmit rotation of a roller gear cam having a ball-screw-shaped structure to rotation of a turret with which multiple cam followers are d...
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JP2021037557A |
To provide a protection method for a bearing of a tool spindle device, which does not cause early wear of a clutch engagement surface without involving cost increase.A spindle 1 rotatably supported by a plurality of angular-contact beari...
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JP6838032B2 |
A rotary table device according to the present invention includes: a spindle that supports a table; a driving mechanism that drives the spindle; a load detection portion that detects a load of the driving mechanism; a clamp mechanism tha...
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JP6832391B2 |
To provide a device suitable for creating mirror image components simultaneously.A double rotary table device 10 includes: first and second rotary tables 11, 12 arranged side by side; first and second worm wheels 13, 14 provided at the f...
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JP6801939B2 |
To provide a positioning device for a processed product supporter which has a simple structure and a small size, and which is inexpensive.A processed product supporter having an installation part, onto which a processed product is instal...
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JP2020154956A |
To provide a numerical control device and a machine tool capable of accurately stopping a drive shaft at a specified rotational position.A numerical control device includes a CPU. The CPU starts the clamping of a drive shaft by a clampin...
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JP6744421B2 |
A tool turret has a housing (1), a turret head (2) rotatable relative to the housing (1) by a drive. Two toothed rims (4, 9″) are arranged coaxial to the rotational axis of the turret head (2). One rim (4) is connected fixedly to the t...
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JP6735043B2 |
To prevent misalignment of an object from being caused by a processing force of a tool when machine work is performed to the object by the tool in a state where a robot holds the object.A robot 30 is used to hold an object 1 when machine...
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JP6629686B2 |
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JP6622077B2 |
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JP6590091B1 |
To provide an indexing apparatus which is excellent in workability, manufacturability and cost and can index three specific machined surfaces in a work. A housing 2, an index table 4 rotatably supported by the housing 2 and indexing a wo...
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JP6578386B2 |
The present invention provides a workpiece processing apparatus capable of shortening a processing time of a workpiece by using a plurality of processing tools capable of contacting the workpiece at various angles. In the workpiece proce...
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JP6559455B2 |
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JP6551854B1 |
To accurately hold and machine a work having a predetermined length at a machining center by using a push bar type index device, even if the work has a considerable length. Work 1 is held in first and second index tables 4a and 4b at two...
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JP6549641B2 |
A machine tool is equipped with a rotary table, and a clamp mechanism which clamps the rotary table in a manner so that the rotary table does not rotate. A clamping operation by the clamp mechanism is started after a standby time has ela...
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JP2019520223A |
To provide a rotary table for machining a work, which can perform a function of a rotary table capable of rotating while supporting a work and a function of an index table capable of fixing the rotation at a constant angle. A main body p...
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JP6546231B2 |
In a method of controlling a rotary table device, a clamp mechanism drive unit is controlled to unclamp a brake disk. Thereafter, a pressure of working fluid supplied to an unclamp fluid chamber is decreased, and a motor drive unit is co...
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JP2019098510A |
To provide a rotary table index driving device.In a rotary table index driving device, plural roller followers 32a, 32b, 32c, 32d are annularly located on a rotary table 31 at equal angles, and a driving source is connected to a cam shaf...
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JP6505472B2 |
A rotary table device for a machine tool includes a main shaft that is rotatably supported in an insertion hole formed in a frame; a table that is secured to an end side of the main shaft, and on which a workpiece, serving as an object t...
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JP6415224B2 |
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JP6401924B2 |
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JP2018149609A |
To provide a rotation device and a method for mounting a distributor in the rotation device, which facilitate phase alignment between a stationary sleeve and a rotatable sleeve which form the distributor.A rotation device (rotatable spin...
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JP6388708B2 |
A milling adjusting device for processing a pipe wall plane comprises a supporting frame (1), a top cover (2) arranged at the upper end of the supporting frame, and a transverse beam (3). The supporting frame (1) is composed of a left st...
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JP6380190B2 |
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JP6382869B2 |
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JP2018109438A |
To provide a transmission structure for an indexing disc capable of improving processing accuracy by preventing backlash between a screw shaft and a main shaft by making a first screw portion and a second screw portion simultaneously eng...
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JP6344937B2 |
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JP2018086709A |
To provide a rotary table device and a clamp unit that are able to reduce the number of components.A clamp mechanism comprises: an elastic member having the shape of a concentric circle around a rotation axis and disposed facing a clamp ...
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JP2018062044A |
To process recessed parts and protruding parts formed in a workpiece in an efficient and simple manner.A workpiece swivel table 3 for a profile grinder includes: a table base 31 for being detachably placed on a work table; a swivel table...
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JP2018047537A |
To provide a rotary table device which can shorten a time period needed for unclamping, and to provide a clamp unit.A clamp mechanism includes: a piston which can move in an axial direction of a rotary shaft between a clamp position wher...
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JP6301985B2 |
A spindle phase indexing device for a machine tool is equipped with a guide rail detachably or fixedly attached to a table, a phase indexing jig configured to travel on the guide rail and which includes a first fitting part, a cutting to...
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JP2018030219A |
To provide a clamp device which is equipped on an indexing device which indexes a spindle, which is rotatably supported in a frame storage hole via a bearing, at an angular position set by rotary drive by a drive unit, which includes an ...
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JP6285402B2 |
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JP6257590B2 |
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JP6230816B2 |
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JP6211358B2 |
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JP2017127944A |
To provide an indexing device capable of surely locking rotation of a tool post in a stopping position.An indexing device 10 comprises a rotary shaft 14 for fixing a tool post 16 and a fixing frame 12 for rotatably supporting the rotary ...
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JP2017127941A |
To provide an energizing mechanism of a clamp device which can regulate rotation of a turntable by a sufficient pressing force.An energizing mechanism 30 of a clamp device 28 is configured from: a movable member 32 which is movable in an...
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