Matches 1 - 50 out of 69 1 2 >


Match Document Document Title
8323073 Method for discontinuous profile grinding  
A gear grinding tool can be trued and re-profiled. The geometry of the individual profiles in the direction of the tool axis is designed so that at least more than two, preferably all, flanks of...
8181843 Friction stir welding method and its device  
In a friction stir welding method, a tool is moved being rotated along portions to be joined of a work piece, where the portions include a corner with a smaller curvature that connect two portions...
8142119 Method of orbital milling with an orbital end mill, an orbital end mill, and a cutting bit for an orbital end mill  
A method of orbital milling is performed using an orbital end mill, which has a cutting bit designed for orbital end milling. The abstract of the disclosure is submitted herewith as required by 37...
8083444 Method and apparatus for machining work pieces  
A method and apparatus are provided to machine a curved surface such as an inner or outer peripheral surface of a pipe. The pipe is held stationary during machining and a rotatable spindle of a...
7674079 Method and apparatus for machining work pieces  
A method and apparatus are provided to machine a curved surface such as an inner or outer peripheral surface of a pipe. The pipe is held stationary during machining and a rotatable spindle of a...
7455482 Method for the manufacture of indexable cutting inserts as well as an indexable cutting insert and a cutting tool having such a cutting insert  
An indexable cutting insert has at least first and second cutting edges and first and second edge-location surfaces associated with the first and second cutting edges, respectively. The...
7377732 Thread mill having flute twisting in direction opposite to rotating direction  
A thread mill that is to be moved along a helical interpolation path while being rotated about an axis of the thread mill in a rotating direction, for forming a thread in a circumferential surface...
7347652 Method for milling grooves in bored workpieces  
A numerical control unit issues a sequence of instructions for causing a spindle of a cutter disk in a tool machine to perform successive straight displacements approximating a spiral of...
7114891 Thread forming tool with annular ridge  
A thread forming tool includes an elongated body defining a longitudinal center axis. The body including a thread forming portion formed by one or more annular ridges oriented perpendicular to the...
7107664 Screw thread cutting apparatus and method  
A thread cutting milling tool comprises a shank with a working portion formed with a recess for receiving a thread cutting insert. The thread cutting insert has one edge formed with a line of...
7094010 Thread milling cutter, holder and a method for milling an external thread on a spigot  
The present invention relates to a thread milling cutter, which includes a cutting head, having a holder with a number of cutting insert pockets, a number of threading inserts, which are received...
6938670 Method and apparatus for manufacturing supercharger rotor  
A method for manufacturing a supercharger rotor by casting a profile portion of a supercharger rotor and a shaft penetrating the same, having the steps of: first cutting a left and right helical...
6890134 Method of producing endodontic instruments  
Methods for manufacturing endodontic instruments are provided. Methods relate to milling a blank with a cutting process to shape the instrument. Instruments so produced are also provided.
6840722 Machining apparatus and machining method  
A machining apparatus for machining a workpiece by rotating and revolving either the workpiece or a tool 1 to contact with each other. The machining apparatus comprises rotation/revolution ratio...
6817870 Technique for interconnecting multilayer circuit boards  
A circuit device for interconnecting first and second multilayer circuit boards is described herein. The first multilayer circuit board may include a first plurality of electrically conductive...
6761621 Gear and method of manufacturing gear  
To provide a gear having high strength and high dimension precision. A cut material is heated in an anti-oxidation atmosphere. Then, a form including gear teeth and having a nearly completed shape...
6694847 Cutting tip and method thereof  
A cutting tip having a three-layer laminated structure is provided. The tip is made from a disc-shaped three-layer laminate wherein a second layer consisting of a hard sintered compact of CBN or...
6687566 Method of machining a female screw and dressing a grinding wheel for female screw machining  
The present invention provides a method of machining a female screw groove in a workpiece whereby the spindle of an internal grinding wheel for machining the workpiece into a female screw is...
6565297 Method of milling large thread lengths  
A method of milling a large thread length with a thread milling cutter having a shank and a milling section having a plurality of rows of teeth arranged in each row one after another with at least...
6460435 Method of rotational thread milling and a thread milling cutter for use therewith  
A method of rotational milling of a thread on a workpiece and including providing a device having a rotatable workpiece spindle for supporting the workpiece and a rotatable milling cutter spindle...
6442826 Method for manufacturing a flush/semi-flush threaded connection  
A method for manufacturing pipe joints for connecting two pipe sections in a well bore allows the pipe joint to have increased resistance to compressive and torsional forces. Each pipe joint has a...
6343902 Reamer and method of using the same  
A reamer T including three-stage chip groups 6, each group having five chips 6 disposed circumferentially on a circle of a diameter smaller than an inside diameter of a hole H in a work W, axially...
6306017 Method and machining tool for producing helically profiled workpieces  
For producing hectically profiled workpieces (1) the helical profile (2) is first of all prefabricated by a milling treatment and is then finished by a grinding treatment of the profile surface....
6293740 Threading tool  
The invention involves a threading tool (20) for defining an internal thread within walls (62) of a cavity (64) within a workpiece having a floor (66) around an axially disposed protuberance (68)...
6257810 Milling tool for thread-milling and boring of high-strength workpieces  
A milling tool for thread-milling and boring has a milling region with thread-milling cutters disposed on thread-milling teeth, and bore-milling cutters disposed on an end face. The tool regions...
6183175 Steerable toolholder  
A tool holder for a tool drive with an outer and an inner concentric drive shaft. A first adapter is detachably held by a conventional clamping system in a receptacle of the outside drive shaft. A...
6155756 Thread forming machine for bone material  
A machine for forming threads in a cylindrical bone dowel made of bone material, comprising a planar surfaced base provided with a threaded guide member having an externally threaded portion. A...
6155148 Thread cutting method using lathe and numerical controller  
A basic spiral operation of a tool is controlled by storing, in a controller, an automatic operation program of a threading cycle which regulates the basic spiral operation of the tool...
6012882 Combined hole making, threading, and chamfering tool with staggered thread cutting teeth  
Solid tungsten carbide is the popular material for these combinations tools. High resultant side forces on the tool during the thread milling phase are caused by relatively high circumferential...
5944462 Hole cutting tool for chamfering and grooving  
A hole cutting tool for holemaking, chamfering, grooving, threading and/or O-ring grooving. The tool is a rotary tool for holemaking in a workpiece which includes one or more holemaking inserts...
5873684 Thread mill having multiple thread cutters  
A milling tool 8 includes a tool holder 10 for housing multiple thread cutting inserts 24 for precise milling of threads on a workpiece. The tool holder 10 is rotatable in an orbitable path spaced...
5678962 Integral boring and threading tool and method  
A unitary bore forming and threading tool for producing a variety threaded bores having chamfers and counterbores without a need for tool changes. The improved took preferably includes a shaft of...
5429459 Method of and apparatus for thread mill drilling  
A threaded hole (20) in a workpiece (22) is formed by rapidly spinning an elongated tool (24) having a drill point (64) at one end, at least one longitudinally extending flute (80) having thread...
5383131 Method of determining cutting trajectory in N/C machining system  
In a numerical control machining system, a leftover area on a work produced by cutting the work with a larger diameter ball end mill is cut with a small diameter ball end mill. When the cutting...
5188491 Method for cutting the flanks of an infeed worm and worm milling machine  
Feed screws are used for container filling machines in order to separate a series of approaching containers at a specific distance from each other. Feed screws for non-rotationally symmetrically...
5170590 Method of superfinishing a gothic-arch groove  
In superfinishing a Gothic-arch-shaped groove of a nut by using a superfinishing stone attached to the tip end of an oscillation arm while oscillating the superfinishing stone about the...
5144871 Numerically controlled screw cutting method for fine screw surface finishing  
A screw cutting method for use with a numerically controlled machining system is improved by enabling finer finishing of the final screw surface. The invention allows the removal of scars formed...
5112169 Thread cutting method and apparatus  
In the thread cutting method according to the present invention, the cutting amount S in each of the thread cutting operations from the second thread cutting operation to the (N-1)th thread...
5104268 Screw cutting machine  
For machining male or female screws, especially of considerably large size diameter, variable pitch or tapered, as desired, a machining center is used which is composed of a work table mounting...
5088244 Machining method for member included screw-shaped portion  
A method of machining a member included a screw-shaped portion which is used when the member is ground at the screw-shaped portion by means of a machine tool, in particular, a grinder. A...
5080538 Method of making a threaded hole  
There is a method of making a threaded hole in a workpiece 15 whereby a core hole 9 is produced in the workpiece 15 with a combination drilling and thread milling tool 14 being advanced axially...
5044842 Round screw thread machining method  
When round screw thread machining is performed with a tool (TL) having a radius smaller than a circular arc radius of a threaded portion (RST), data necessary for deciding (i) tool path patterns...
5018403 Globoid worm gear speed reduction apparatus  
The present invention relates to a speed reduction apparatus for globoid worm gears. The speed reduction ratio of the engaged worm globoid worm gear and worm wheel is defined as the ratio of the...
4692989 Process and apparatus for profiling rod-like workpieces  
A milling process to produce profiles on rod-like workpieces at a high rate of cutting. The profiles are produced in cutting segments.An apparatus is provided wherein the cutting edges are mounted...
4606683 Method and device for producing thread  
Method for producing threads and machine tool for thread milling, wherein in order to avoid high cutting speeds and also to produce short millings, a milling cutter is used, which comprises...
4588337 Apparatus and method for machining an enveloping-type worm screw  
A method and apparatus are disclosed for machining hourglass screw threads on an enveloping-type worm screw by engaging at least one angularly positioned cutter with a screw blank having an...
4573376 Method of producing thread rolling die  
Thread rolling dies for pointed fasteners having an improved working face contour which promotes displacement of blank material from the blank point area at an early stage in the thread rolling...
4559852 Method for shanking rock bits  
A method for shanking a rock bit utilizing a shank locator and a cone locator, each with tapered surfaces to engage respectively the tail stock of a lathe and the cones of a rock bit, to...
4539875 High-speed metal cutting method and self-sharpening tool constructions and arrangements implementing same  
A self-sharpening refractory metal cutting tool presenting an overhanging cutting portion, i.e. a flange, or ledge, of width equal to (or slightly greater than) the depth of the cut to be taken...
4475319 Process for machining a worm-type workpiece with a worm-type tool  
A process for dressing a single or multiple-grooved worm or threaded workpiece by a single or multiple-grooved worm or threaded dressing tool includes the turning of the workpiece and tool with...

Matches 1 - 50 out of 69 1 2 >