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WO/2014/025497A1 |
A die head retaining mechanism for installing or removing a die head (301) in a power drive (300) for thread cutting operations features a chuck with simultaneously-acting locking jaws (230), moving radially, the jaws movement actuated b...
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WO/2014/020900A1 |
In the present invention, when a female screw is machined into a hole in a metal material with a hole for female screw machining, with the metal material in a held or secured state and the male-screw-shaped tool solely revolving in a fix...
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WO/2014/013549A1 |
Provided is a spiral tap wherein tool life has been improved by facilitating chip removal during reversed withdrawal after thread-cutting while ensuring favorable cutting properties during thread-cutting. Because a sub-groove (28), which...
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WO/2013/190700A1 |
Provided is a thread-forming tap for reducing machining torque and improving tool service life. A thread-forming tap (10) for plastically deforming the surface-layer section of a prepared hole to form a female thread by causing a margin ...
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WO/2013/186165A1 |
The method for producing a thread in a workpiece comprises the following method steps: a) producing a number n ≥ 1 of twisted grooves (22, 24) in a wall (21) of the workpiece (2) running around a thread axis (M) or producing a wall of ...
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WO/2013/183082A1 |
In order to enable a tapping process to be performed precisely and with an appropriate processing time regardless of the diameter of the tapping tool, the present invention is constructed so as to be equipped with: a program analysis uni...
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WO/2013/183134A1 |
By screwing a threaded shaft (24) provided on a tip (14) into a threaded hole (26) provided on a body (12), the tip (14) is detachably installed on the body (12). Additionally, a restraining part (40) of the tip (14) is fitted into a res...
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WO/2013/153640A1 |
This hard coating is a multilayer film comprising two or more of the following layered in alternation: first coating layers (24) comprising a Ti1 − a − bCraMb nitride, oxide, carbide, carbonitride, or boride, where M includes at leas...
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WO/2013/150603A1 |
Provided are a hard coating film for a cutting tool, said hard coating film having both an excellent wear resistance and an excellent deposition resistance, and a cutting tool that is coated with the hard coating film. A hard coating fil...
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WO/2013/142985A1 |
A tapping device for use with a variety of standard drivers. The tapping device has an elongate body having a first end and a second end. A thread cutting portion is provided toward the first end, an end section for fitting to a drive to...
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WO/2013/145233A1 |
Provided are a hard coating for cutting tools and a cutting tool coated with a hard coating, the hard coating having both excellent abrasion resistance and adhesion resistance. A multilayer film in which two or more layers of a first coa...
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WO/2013/132665A1 |
Provided is a spiral tap that obtains durability in the cutting of an internal thread of a difficult-to-machine material such as a heat-resistant alloy such as a nickel-based heat-resistant alloy or a precipitation hardening stainless st...
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WO/2013/124981A1 |
A cut tap is provided which is able to form high-precision threading safely. The cut tap has a biting section (1) comprising a plurality of threads (10) formed so that the outer diameter of the threads becomes smaller moving forward in t...
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WO/2013/113422A1 |
The invention relates to a tool (1) for the chipless production or finishing of a thread in or on a workpiece, in particular a cold-forming tap or thread-forming tap, comprising at least one forming region (5), which is rotatable or rota...
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WO/2013/113048A1 |
The invention relates to a cutting insert (1) for cutting a thread, having a base surface (2), a top surface (3), and lateral surfaces (4, 5, 6, 7) which connect the base surface (2) and the top surface (3) to each other. Multiple cuttin...
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WO/2013/102736A1 |
A tool for machining a wall of a workpiece, in particular made from a composite material. According to the invention, the tool (1) for machining a wall (P) of a workpiece, in particular made from a composite material, intended for cuttin...
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WO/2013/080293A1 |
A thread forming tap is provided that is capable of forming a female screw that suppresses crushing of the screw thread of a male screw or of the minor diameter thread of the female screw when the male screw is screwed into the female sc...
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WO/2013/076360A1 |
The invention relates to a method and apparatus for plastic pipe drilling, which apparatus has a drilling device (1 ) that consists of a casing part manufactured from a plastic based material and a drilling unit (3) that exists inside th...
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WO/2013/058110A1 |
To improve a cutting tool for screw thread cutting, which is provided with multiple cutting edges (3-1) - (3-n) (n is 5 in the figure) that are arranged in a row and which produces thread ridges by cutting the screw in stages with said m...
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WO/2013/038028A1 |
The invention relates to a thread whirling device (1) for producing a thread on a workpiece on a numerically controlled lathe by means of a thread whirling method, comprising a retaining structure (10) for attaching the thread whirling d...
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WO/2013/036476A1 |
A powered threading machine (10,210,410,810,1010,1410) is described. The threading machine is compact and portable. The threading machine includes a tube frame (12,212,412,812,1012,1450) having a rearward wheel assembly (24,424,1424) and...
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WO/2013/027534A1 |
The removal starting position (8S1) of a first removal process and the four removal starting positions (8S21 - 8S24) in a second removal process are established on an imaginary circle (7I) with a prescribed radius (R) that is inscribed i...
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WO/2013/026569A1 |
The invention relates to a tool (1) for processing work pieces having a rotation axis (5), a main body (3), at least one operating slide (7) bearing a processing element and which can be slid with respect to the main body (3), at least o...
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WO/2013/013800A1 |
The present invention provides a method for producing a component of a porous alloy with at least one drilled hole (3), wherein the method comprises providing the component of the porous alloy and introducing a pilot hole (2) into the co...
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WO/2013/001624A1 |
Provided is a tap holder configured so that the compression-side elastic characteristics and the tension-side elastic characteristics are made to be different using an elastic member for absorbing synchronization errors in the rotation a...
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WO/2012/169031A1 |
Provided is a removable tip type rotary tool in which a tip (14) is integrally mounted to a body (12) at a constant phase around the central axis (O) of the body (12) by means of a triangular cross section rotation stop key (56) and a tr...
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WO/2012/161367A1 |
The present invention comprises: a work table, on which two silicon substrates are stacked in parallel; a Y-axis driving section for controlling the conveying of the work table in the back and forth direction of the front surface of the ...
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WO/2012/117033A1 |
The present invention relates to a die stock and also to a holder and cutting insert for such a die stock. There is proposed a die stock (1) having a holder (2) in the form of a circular ring with receiving grooves (24) that are provided...
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WO/2012/090057A1 |
The invention relates to a milling cutter comprising a holder (2) and an insert (3), the insert (3) being provided with a plurality of peripherally spaced cutting teeth (39) with cutting edges (34, 35, 36) concentrically arranged with re...
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WO/2012/080315A1 |
The thread generating tool for producing a thread in a workpiece has the following features: a) the tool is rotatable about a tool axis (A), b) the tool has a number n ≥ 1 of groove generating regions (42, 44) for respectively generati...
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WO/2012/079728A1 |
The method for producing a thread in a workpiece comprises the following method steps: a) producing a wall of the workpiece, said wall having a number n of grooves greater than or equal to 1 and running round a thread axis, b) introducin...
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WO/2012/068741A1 |
A cutter (10) for machining threads comprises a screw die unit (110) and a guiding unit, wherein the screw die unit (110) is used for machining threads on a workpiece (20) to be machined, and the guiding unit is used for matching up with...
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WO/2012/050327A2 |
Disclosed is a pipe tapping device. According to one preferred embodiment of the present invention, a pipe tapping device used for connecting a main pipe and a sub pipe includes: a hollow main body having a space for the movement of a fl...
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WO/2012/037859A1 |
A multi-head fully-automatic-feed tapping machine comprising a feed part, a tapping part, and a control part. The feed part comprises feed tray racks (2) and vibratory feed trays (1), the vibratory feed trays (1) being provided with feed...
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WO/2012/032286A1 |
Bore cutting tool (2), particularly for cutting metal workpieces, comprising a tool substrate (4) and a tool coating (8) on a surface of the tool substrate wherein the bore cutting tool comprises a plurality of pits (6) in the surface of...
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WO/2012/024221A1 |
A device (101) and associated system for threading, cutting, and reaming pipe ends are described. The device (110) and system utilizes a brushless DC electric motor (28). The devices (110) also includes on-board electronics and operator ...
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WO/2012/017672A1 |
Provided is a method which enables a ball screw nut to be provided with a ball circulation groove and a ball rolling groove on the inner circumferential surface thereof without misalignment in the axial, circumferential, and radial direc...
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WO/2012/011058A1 |
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/2011/158946A1 |
Disclosed is a cutting insert which is for low cost screw processing having excellent shape accuracy for the screw being processed. In the disclosed cutting insert for screw processing a plurality of ridge-shaped cutting edges are formed...
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WO/2011/140830A1 |
A guiding composite cutting tap with different diameters is disclosed. The composite cutting tap comprises a screw blade (1) and a screw shank (2). The screw blade (1) is connected with the screw shank (2), or the screw blade (1) and the...
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WO/2011/140831A1 |
A composite cutting screw die includes screw blade bodies (1) and a shell (2). A plurality of screw blade bodies (1) are connected or integrated with the shell (2). The screw blade bodies (1) have any one of the following features or any...
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WO/2011/123958A1 |
The invention relates to a device (10) for machining a stationary workpiece (20), comprising a cylindrical milling head (11), which is supported such that the milling head can be rotated about the longitudinal axis (ZH) thereof and can b...
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WO/2011/110159A1 |
The invention relates to a rotationally drivable material-removing tool (10) with an integrated coolant/lubricant supply, which tool has a shank (12) and a cutting part (20) connected to the shank (12). The shank (12) has a clamping port...
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WO/2011/108108A1 |
Provided is a cutting tool such that the quantity of main body sections discarded and the quantity of cutting heads discarded can be restricted and that vibrations during cutting work can be suppressed. In the cutting tool (100), a Heli-...
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WO/2011/105098A1 |
Disclosed is a chaser (1) that improves the quality of the finished surface of a screw. This chaser (1) has a rake face (2) and a flank face (3) and in the intersecting ridge therebetween, when looking from the aforementioned rake face (...
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WO/2011/086675A1 |
A groove (42) in which an inside diameter finishing tooth (40) is provided is located in the center of roll off (22) at three points between a plurality of rows of protrusions (20a-20f) in the chamfer (24) around the central axis (O), an...
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WO/2011/078365A1 |
Provided is a method for manufacturing a screw which is capable of solving a problem due to rolling or cutting and prevents the movement path of an insert (13) from interfering with a desired curve line of the screw at the time of exitin...
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WO/2011/060647A1 |
A tapping machine comprises a stand (1), a main shaft (2) mounted on the stand (1) and a motor (3). The main shaft (2) is provided with a clamp (4) on one end and the clamp (4) can be provided with different taps (16) thereon. The stand ...
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WO/2011/058468A1 |
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/2011/057328A1 |
A machine tool bit, such as a tool for drilling, milling, reaming or tapping or the like comprising a work portion (71) and a shank (73) extending from the work portion. The shank (73) is provided with one or more regions of reduced mech...
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