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WO/2012/013629 |
The invention relates to a hydraulic expanding chuck (1) having a main body (2) and an expanding bush (3), which is inserted into the main body (2) to form at least one pressure chamber (5a, 5b) and is intended for chucking a tool. The e...
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WO/2012/011178 |
The present invention addresses the problem of achieving both the improvement of tool holding stability and the improvement of tool runout accuracy by increasing grip force and expanding a grip region compared to conventional tool holder...
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WO/2012/011058 |
Tool-holding device suitable for being coupled to a mandrel of a machine tool or a mandrel fitted on a robot, comprising: - one or more tool-holder carriages (10); such carriages are positioned radially in relation to the mandrel axis (X...
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WO/2012/007127 |
The slip-proof system consists of screw connection elements in the form of union nuts having recesses (6,22) arranged in the lateral surface and of a spanner (11,25,30), which is provided with projections (14,28,32) engaging into the rec...
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WO/2012/002438 |
Provided is a machine tool which is equipped with a floating mechanism, and the whole of which can be miniaturized and lightened, said floating mechanism being equipped with carriers of loads generated in both radial and thrust direction...
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WO/2011/160447 |
A quick assembled and unassembled joint comprises a body (1), wherein the back end of the body (1) is provided with a shaft hole (14) in which a power output shaft (3) is inserted and a limit hole (15) which is perpendicular to the shaft...
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WO/2011/160902 |
The invention relates to a hand-held power tool (100), comprising a tool holder (150) for holding at least one first tool (170, 180), which has a shank (176, 186) that is provided with a first coupling contour (175, 185) and can be rotat...
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WO/2011/162275 |
The purpose of the present invention is to simply and affordably build a machining line without making major structural changes to a machine tool for machining crank shafts. This machine tool machines a scroll workpiece received at a fir...
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WO/2011/145368 |
Provided is a light alloy wheel chucking device such that the time required to lathe a light alloy wheel is reduced, and that the occurrence of center misalignment is restricted during the lathing operation. After the inner peripheral su...
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WO/2011/143789 |
A CNC system can include a cylinder adapted to rotate about, travel along, and deliver a force in an axial direction, an extension coupled to a distal end of and extending outward from the elongated component in a direction perpendicular...
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WO/2011/140814 |
A drill chuck which has a drill body (1) is disclosed. A motor shaft hole (11) extends axially from the back end of the drill body (1) into the same. The back part of the drill body (1) is further provided with a limiting hole normal to ...
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WO/2011/137884 |
The invention relates to a clamping device (01) for use on a lathe, comprising a plurality of basic clamping supports (06), which can be moved in a stellar formation in relation to an axis of rotation and on each of which a clamping jaw ...
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WO/2011/139808 |
A tool securing device (2) capable of clamping a tool to a machine spindle as well as assisting in the removal of a tool from a machine spindle, all in a tool-less manner. The tool securing device includes distal means (10) to be releasa...
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WO/2011/138360 |
The invention relates to a tool holder having a rotationally drivable collet chuck (10) for clamping a rotary tool (12) and a nozzle device (14) for impinging a liquid and/or gaseous medium on the rotary tool (12). According to the inven...
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WO/2011/136463 |
The present invention relates to a modular type dual-contact shrink fit chuck. More specifically, the shrink fit chuck comprises: a holder having one end portion which may be coupled with the parting groove of a spindle at the outer circ...
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WO/2011/129751 |
A coupling device for coupling together a tool holder (3) with a rotatable spindle (2) of a machining machine. The coupling de- vice comprises: - a female-shaped coupling part (10) with an internally cone- shaped section (11) and a male-...
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WO/2011/128887 |
A collet has seal bores formed in interspaces of the collet. The seal bores are oriented at an acute angle α to the longitudinal axis of the collet, and extend towards a tool end of the collet, from a clamping surface of the collet to a...
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WO/2011/124604 |
An adapter which allows drill bits (1) that are of simple construction and can be produced at low cost to be used with conventional drilling machines and/or percussion drilling machines is proposed. The shank (8) of the adapter has an op...
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WO/2011/121139 |
The description shows a collet chuck 303 for clamping a tool for the purpose of machining a workpiece, comprising: a cutout for receiving a collet 301, wherein the collet chuck 303 has a cutting edge 306 for machining the workpiece.
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WO/2011/121793 |
Disclosed is a main spindle apparatus (5) for a machine tool such that that a draw bar (22) is inserted into a main spindle (20) which is rotatably supported in a housing (12), and that the draw bar (22) is biased to the rear of the main...
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WO/2011/116826 |
A device for clamping a substantially cylindrical tool, such as an electrode or tool (T) of an EDM machine or conventional machine tool, the device (3) comprising a plurality of clamps (2a - 2c) arranged radially around a central axis, e...
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WO/2011/107354 |
The invention relates to a device for connecting two components (10, 14), such as two tool parts. The first component (10) comprises a cylindrical fitting pin (12) and a ring surface (22) protruding radially beyond said fitting pin (12),...
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WO/2011/107354 |
The invention relates to a device for connecting two components (10, 14), such as two tool parts. The first component (10) comprises a cylindrical fitting pin (12) and a ring surface (22) protruding radially beyond said fitting pin (12),...
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WO/2011/104105 |
In a handheld machine tool comprising a tool holder (150), which has an inner polygonal holder (290) and an outer polygonal holder (210), wherein the inner polygonal holder (290) is designed to be connected to a first inserted tool that ...
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WO/2011/101839 |
In a tool coupling (20) in the form of a cutting tool used for internal machining operations, a second component (24) having a single cutting portion is clamped to a first component (22) by means of a clamping screw (26). The second comp...
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WO/2011/101117 |
A hydraulic clamping element (1) has a housing (2) which is provided, on an end face (5), with an annular piston (6) which can move in the axial direction of the housing (2) and which delimits an annular space (17) formed in the housing ...
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WO/2011/098738 |
The invention relates to a tool holder device for holding in position and driving a cutting tool on a machine tool. Said tool holder is used as a reliable machining overseeing device, capable of preserving the workpiece, the machine and ...
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WO/2011/099100 |
Provided is a rotation tool or the like such that even if high rotational torque acts, plastic deformation does not tend to occur. A rotation tool (B) is configured in such a way that the tip section is provided with a blade section (14)...
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WO/2011/095965 |
A tool clamping mechanism (10) connects a first member (12) to a second member (14). The first member (12) has a cylindrical stem (20) with a coupling tooth (28) projecting from the stem (20). The second member (14) has a clamping cavity...
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WO/2011/095725 |
The invention relates to a mandrel including: a body (8); tightening jaws (22) having an inner thread; a central part (2) pivotably mounted relative to the body and comprising peripheral teeth (6) and a front portion having a peripheral ...
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WO/2011/095362 |
The invention relates to a tool for processing bores and similar removals of material. Said tool comprises a processing side (2), a fastening side (3) and a tool shaft (1) having a rotation axis (z). The tool has a tool head (4) comprisi...
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WO/2011/089428 |
A workpiece-holding jig for a lathe comprises: a faceplate (1) provided on the reverse thereof with means for attachment to a lathe shaft and on the face with a central plain bore (2) and three sets of threaded bores (3, 4 and 5) extendi...
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WO/2011/086148 |
An adjustable socket drive device for wrench, drill and the like comprises a body means (2) having a plurality of parallel cylindrical seats (3) each assigned to house a respective free rotating cylindrical stem means (4) each having a r...
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WO/2011/085978 |
The invention relates to a machining tool having a holder (11) and a cutting head (1) which can be screwed into the holder (11), comprising a cutting area (3) and a coupling area (5), wherein the coupling area (5) on the cutting head (1)...
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WO/2011/087851 |
A toolholder assembly (10) for releasably holding a toolholder (50) includes a toolholder (50) having a tubular shank (56) with at least two perforations (58); a tool support member (20); a canister (30) disposed within the tool support ...
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WO/2011/083883 |
The present invention relates to a heating and cooling apparatus for a shape-memory-alloy-based tool holder, and to a heating and cooling apparatus for heating or cooling a shape-memory-alloy-based tool holder to clamp or unclamp a tool,...
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WO/2011/072644 |
The invention relates to a clamping device for rod-shaped profiled elements (3) having a substantially circular cross-section and having a profiled element center axis (R) extending in a longitudinal direction (L) of the rod-shaped profi...
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WO/2011/060924 |
The invention relates to a clamping jaw (1) for a retaining device (30, 50) for rings, in particular in an essentially horizontal orientation, wherein the clamping jaw (1) is suitable for being applied to a ring (53) from the inside. The...
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WO/2011/060924 |
The invention relates to a clamping jaw (1) for a retaining device (30, 50) for rings, in particular in an essentially horizontal orientation, wherein the clamping jaw (1) is suitable for being applied to a ring (53) from the inside. The...
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WO/2011/059945 |
Workholding equipment for a machine tool, in particular an arbor chuck (2), having a plurality of internal elements comprising a wobble washer (26) and at least one of a floating nut (24) and flat washer (28) which counteract workpiece m...
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WO/2011/058468 |
Tapping unit (1) comprising protection means (12) for permitting an axial retraction movement of a master screw (4) towards the interior of a casing (2) from a reference position into a first proximal backward position with a first defin...
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WO/2011/056560 |
A mechanism (300) for connecting a chuck (390) to a spindle (320) is disclosed. The mechanism (300) includes an element (450) that secures the chuck (390) to the spindle (320), an element (450) that allows torque to be transferred from t...
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WO/2011/052421 |
Disclosed is an extremely practical tool holder with a simple structure and reliable vibration suppression. The tool holder is provided with a tool holding means that is detachably fixed to the end of a tool (1), a shank (2) for attachin...
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WO/2011/045313 |
The invention relates to a clamping element (1) for shrink clamping bodies to be clamped having an oval clamping perimeter, comprising a main body (3) and a closed clamping ring (6), wherein an annular articulated element (5) is disposed...
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WO/2011/043518 |
Disclosed is an adjustable length adapter which incorporates a driving motor on the inside and is coupled with a rotation tool at one side, wherein a rotation shaft is protruded from the rotation tool and rotates when the driving motor i...
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WO/2011/044259 |
A medical article, such as a catheter hub, is stabilized on a patient with a retainer having a base and clamp or moveable collet. A lever is configured to move the collet in a longitudinal direction relative to the based to secure the me...
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WO/2011/040260 |
Provided is a fixing tool for easily fixing a plurality of workpieces in a concentric circle at the time of performing a curve forming process on a plurality of pieces of lumber at the same time, so that the process using a lathe can be ...
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WO/2011/041164 |
Wedge-lock coupling (600) configured to connect a jaw (48) to an actuator arm (46) of a chuck. The wedge-lock coupling (600) includes a wedge portion (60S) having a path of travel (632) between a release position and a lock position, and...
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WO/2011/038730 |
The invention relates to a method for clamping a tool or a workpiece by means of an electric clamp (1), which comprises a housing (2), which is fastened to the working spindle of a machine tool and in which a threaded rod (3) for adjusti...
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WO/2011/035768 |
The invention relates to a shrink-fit chuck for clamping a tool in the shrink fit, wherein the shrink-fit chuck comprises: a first section (102) for accommodating the tool, wherein the first section (102) is suitable for accommodating a ...
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