| Patents for B23F 21 - Tools specially adapted for use in machines for manufacturing gear teeth (1,733) |
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| 04/30/2014 | CN102699450B Gear shaving and modifying based engagement-angle calculating method |
| 04/30/2014 | CN102256736B Method for producing bevel gears using a corresponding face milling cutter |
| 04/29/2014 | US8708609 Gear milling cutter as well as a replaceable milling insert therefor |
| 04/24/2014 | WO2014061327A1 Dressing device and gear grinding device |
| 04/23/2014 | CN203556969U Detachable carbide-tipped hob |
| 04/23/2014 | CN203556968U Worm gear hob |
| 04/23/2014 | CN203556967U Assembled taper-shank slotting cutter |
| 04/16/2014 | CN203541752U Asymmetric gear hobbing tool |
| 04/16/2014 | CN203541751U Reverse thrust bearing internal tooth surface pultrusion tool |
| 04/16/2014 | CN103722253A Hobbing-shaving carburizing and quenching gear shaving cutter tooth shape K chart determining method |
| 04/10/2014 | DE102012019492A1 Method for roll grinding of work piece, involves driving feed motion of grinding tool in axial direction to work piece, which is controlled depending on number of gears of worm grinding wheel and number of teeth of work piece |
| 04/09/2014 | CN103707023A Manufacturing technology of taper-shank slotting cutter |
| 04/09/2014 | CN103706889A Rough and finish machining integrated hobbing cutter |
| 04/09/2014 | CN103706888A Combined slotting cutter, gear shaving cutter or plane cutter |
| 04/03/2014 | WO2014051665A1 Method of modifying gear profiles |
| 04/02/2014 | CN203509232U Pre-grinding hob for processing micro-segment gear |
| 04/02/2014 | CN203509231U Rectangular spline hob assembly |
| 03/27/2014 | DE102013005537A1 Bar cutting blade, particularly for gear cutting of bevel gears, has cutting plate adjustably arranged on support, where cutting plate and support are provided with guide units for guiding cutting plate on support |
| 03/27/2014 | DE102012018948A1 Method for processing straight-toothed bevel gear with hob, involves balancing pitch difference between hob and workpiece by relative movement between hob and workpiece, and moving cutting edge from starting position in width direction |
| 03/26/2014 | CN203495346U A split joint type hobbing cutter |
| 03/20/2014 | DE102012108717A1 Verfahren zum Modifizieren der Flanken eines Zahns eines Zahnrads mit Hilfe eines Werkzeugs A method of modifying the flanks of a tooth of a gear with a tool |
| 03/19/2014 | CN203484752U Axial gear shaving cutter |
| 03/19/2014 | CN103639534A Hob |
| 03/18/2014 | US8672589 Hob |
| 03/13/2014 | US20140072376 Milling tool |
| 03/12/2014 | EP2705918A2 A milling tool |
| 03/12/2014 | CN103635280A Method for hob peeling external teeth and device having a corresponding hob peeling tool |
| 03/12/2014 | CN102245337B Hob |
| 03/05/2014 | CN203459772U Gear finish-machining device |
| 02/27/2014 | US20140056657 Face hobbing cutter system and indexable milling inserts for use in the same |
| 02/26/2014 | CN102744469B Hob design method |
| 02/19/2014 | CN203437767U Mechanical worm wheel scraping knife |
| 02/12/2014 | CN203426546U Gear shaving cutter |
| 02/12/2014 | CN203426545U Conical handle slotting cutter with shared process handle |
| 02/12/2014 | CN103582538A Cutting insert and rotating cutting tool |
| 02/12/2014 | CN103582537A Method for manufacturing screw-shaped tool |
| 02/12/2014 | CN103567551A Cutting device of gear hobbing machine |
| 02/12/2014 | CN102554365B Involute gear-shaving cutter |
| 02/06/2014 | DE102010061432B4 Verfahren und Werkzeug zur Herstellung eines Zahnrades mit balligen Zähnen Methods and tools for the production of a gear with crowned teeth |
| 02/05/2014 | CN103551674A Pre-grinding hob for machining micro-segment gears |
| 02/05/2014 | CN103551673A Novel slotting cutter |
| 02/05/2014 | CN103551672A Universal topological-structured cylindrical gear gear-cutting tool and structuring method thereof |
| 02/04/2014 | US8641482 Gear grinding tool |
| 01/29/2014 | CN103537767A Pultrusion forming cutting tool of inner tooth surface of reverse stopping bearing |
| 01/29/2014 | CN101664830B Hob cutter with a coating and method for coating hob cutter |
| 01/22/2014 | CN103521824A A milling insert |
| 01/22/2014 | CN103521818A A milling insert and a milling tool |
| 01/14/2014 | US8628385 Bonded abrasive article and method of use |
| 01/14/2014 | CA2616628C Universal machine for the soft machining of bevel gears and corresponding method |
| 01/10/2014 | DE202013009805U1 Vorrichtung zum Anfasen eines Werkstücks Apparatus for chamfering a workpiece |
| 01/08/2014 | EP2682216A2 A milling insert and a milling tool |
| 01/08/2014 | EP2682215A2 A milling insert |
| 01/08/2014 | CN103501945A Method for hob peeling and corresponding device having a hob peeling tool |
| 01/02/2014 | DE102012012559A1 Verfahren zum Bearbeiten eines Werkstücks und dazu geeignete Verzahnungsmaschine A method for processing a workpiece and to appropriate gear cutting machine |
| 12/27/2013 | WO2013191868A1 Grinding machine with multi-spindle grinding head |
| 12/27/2013 | WO2013190964A1 Crown gear manufacturing device and manufacturing method |
| 12/25/2013 | CN203356767U Internal spline broach |
| 12/25/2013 | CN103476528A Screw-shaped grindstone for grinding gears and method for grinding gears |
| 12/25/2013 | CN103464833A Method for fast processing low-number-teeth involute helical worm shaft |
| 12/19/2013 | DE102012105185A1 Method for manufacturing worm shaft of e.g. seat adjusting drive in skiving process in motor car, involves selecting machine setting data for adjusting actual-geometry of shaft tooth so that cutting plane runs below or above workpiece axis |
| 12/19/2013 | DE102012012617A1 Verfahren zum Erzeugen einer Verzahnung und mit diesem Verfahren betreibbare Verzahnungsmaschine A method for generating a set of teeth and can be operated by this method gear cutting machine |
| 12/18/2013 | CN203343554U Rack flat-and-square-milling cutter used for lathe |
| 12/17/2013 | US8608531 Arrow preparation system |
| 12/12/2013 | WO2013183094A1 Gear tooth surface processing device and gear manufacturing method |
| 12/12/2013 | DE102012011956B3 Hob peeling tool for use in rolling peeling machine for hob peeling gearing, has cutting elements including sharpening area protruding from tool receiver, where area is located between maximum and minimum radial distances of edges |
| 12/11/2013 | CN203330534U Spliced-type taper shank slotting cutter |
| 12/11/2013 | CN103433570A Forming milling cutter for single-screw-rod compressor star wheel and processing method |
| 12/05/2013 | US20130322974 Tooth Milling Cutter and Method for Milling the Teeth of Toothed Gear Elements |
| 12/04/2013 | CN103419058A Hob driving system of gear hobbing machine |
| 12/04/2013 | CN103418854A Tool for machining inner gear |
| 12/04/2013 | CN103418853A Tool for cutting gear and method for cutting gear |
| 11/27/2013 | CN203304712U High-precision radial gear shaving cutter |
| 11/27/2013 | CN203304711U High-efficiency high-precision pre-grinding hob |
| 11/27/2013 | CN203304710U High-precision worm gear hob |
| 11/27/2013 | CN203304709U Gear grinding sand wheel |
| 11/27/2013 | CN203304708U Metal cutting tool for processing circular arc chamfer of gear |
| 11/27/2013 | CN103406602A Synchronous chamfering device and gear hobbing machine |
| 11/26/2013 | US8591295 Abrasive article for shaping of industrial materials |
| 11/26/2013 | US8591294 Sharpening rod and method for manufacturing the same |
| 11/21/2013 | US20130309026 Tool for cutting gear and method for cutting gear |
| 11/20/2013 | EP2664403A2 Tool for cutting gear and method for cutting gear |
| 11/20/2013 | CN103394768A Slotting cutter of inverse-tapered spline straight gear and designing method of slotting cutter |
| 11/14/2013 | US20130302098 Milling Tool |
| 11/13/2013 | EP2662173A1 Milling tool |
| 11/13/2013 | CN203281986U Tangential worm wheel hobbing cutter |
| 11/13/2013 | CN203281985U Tooth pressing cutter |
| 11/13/2013 | CN103386513A 铣削刀具 Milling tool |
| 11/06/2013 | EP2659999A2 A milling tool as well as set of milling inserts of a milling tool |
| 11/06/2013 | EP2658679A1 Abrasive wheels and methods for making and using same |
| 11/06/2013 | CN203265803U Special cutter for gear |
| 11/06/2013 | CN203265802U Jumping-tooth insection milling cutter |
| 11/06/2013 | CN203265800U Gear pushing machine for manufacturing gear |
| 11/06/2013 | CN103381510A Combination hob |
| 11/06/2013 | CN103381509A Combined slotting cutter, combined gear shaving cutter or combined planning tool |
| 11/06/2013 | CN102581388B Gear milling blade for forming pivoting support gear profile and method for manufacturing pivoting support gear profile |
| 11/06/2013 | CN101961803B Single-screw compressor screw, method for forming one long-straight bus 1 by star wheel meshed auxiliary gear side moulded line and tool |
| 10/29/2013 | US8568204 Material removing tool |
| 10/23/2013 | CN103357968A Forwards pressing loading and unloading device of hob rod |
| 10/23/2013 | CN102264497B Internal broaching tool |
| 10/17/2013 | DE102012015846A1 Verfahren und Vorrichtung zum Hartfeinbearbeiten von modifizierten Verzahnungen Method and apparatus for hard fine machining of modified teeth |