| Patents for B23F 21 - Tools specially adapted for use in machines for manufacturing gear teeth (1,733) |
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| 07/25/2012 | CN102601457A Method for machining worm gear hob tooth profile by means of relief grinding |
| 07/19/2012 | WO2012094797A1 Composite hobbing cutter |
| 07/19/2012 | WO2012094795A1 Composite gear shaping cutter, composite gear shaving cutter, or composite plane cutter |
| 07/18/2012 | CN102581389A Cutter for machining gear ring |
| 07/18/2012 | CN102581388A Gear milling blade for forming pivoting support gear profile and method for manufacturing pivoting support gear profile |
| 07/18/2012 | CN102039451B Planetary fingerlike facing cutter |
| 07/17/2012 | US8221199 Abrasive sharpener |
| 07/11/2012 | CN202317210U 一种旋风铣微调刀盘 A cyclonic trimming milling cutter |
| 07/11/2012 | CN102554365A Involute gear-shaving cutter |
| 07/05/2012 | WO2012092610A1 Abrasive wheels and methods for making and using same |
| 07/04/2012 | CN202291689U 一种用于加工内齿环的推刀装置 A push knife apparatus for processing internally toothed ring |
| 07/04/2012 | CN102528176A Single-headed staggered-toothed microminiature hob based on extension whole depth strength design |
| 07/04/2012 | CN102528171A Numerical-control efficient cycloid tooth-shaped grinding machine |
| 07/04/2012 | CN101518843B Method and apparatus for working a screw rotor, end mill for working , and method of manufacturing a screw compressor |
| 07/04/2012 | CN101486115B External push broach |
| 07/04/2012 | CN101454103B Method for grinding cylindrical gear and method of maintaining a constant grinding process |
| 06/27/2012 | CN102518756A Compound transmission face gear pair with transmission ratio variable |
| 06/26/2012 | CA2745968C Cutting insert and indexable tooth cutting tool using the same |
| 06/21/2012 | DE102010061432A1 Method for manufacturing toothed wheel i.e. spiral bevel gear, involves executing machining operations in flank sections of blank by using tool in relative positions of rotational axes of tool opposite to vertical axis, respectively |
| 06/20/2012 | CN102506149A Crowned tooth gear, processing method and processing milling cutter |
| 06/14/2012 | US20120148360 Device and method for hob peeling internally geared wheels and related peeling wheel |
| 06/05/2012 | US8192256 Rotary dressing tool containing brazed diamond layer |
| 05/30/2012 | CN202239977U Fly cutter special for worm gear hobbing |
| 05/30/2012 | CN202239976U Pre-shaving gear hob |
| 05/30/2012 | CN202239975U Pre-grinding gear hob |
| 05/30/2012 | CN202239974U Insert sheet hob milling cutter |
| 05/30/2012 | CN202239973U Hob |
| 05/30/2012 | CN202239972U Disc milling cutter for machining crowned tooth gear |
| 05/30/2012 | CN202239971U Gear meshing slot processing tool |
| 05/30/2012 | CN202239970U Finger cutter for gear processing of barreled tooth flank |
| 05/30/2012 | CN202239969U Incorporating-tooth bowl-like pinion cutter |
| 05/30/2012 | CN202239968U Tooth-removed disk slotting cutter |
| 05/30/2012 | CN102476263A 一种采用剃齿刀加工中凸齿轮的方法及修形剃齿刀 One kind of processing using the shaving cutter projection methods and dressing gear shaving cutter |
| 05/30/2012 | CN101330999B Gear milling tool with replaceable cutting inserts |
| 05/29/2012 | US8186032 Tool arrangement for the production of helical teeth in gear wheels |
| 05/10/2012 | DE102011118702A1 Method for manufacturing e.g. bevel drive gear of commercial vehicle, involves finely treating spiral tooth system in hard machining process after hardening process by hard machining step formed as skiving process |
| 05/09/2012 | CN102441712A Double-side edge tooth cutting tool for cylindrical gear |
| 05/09/2012 | CN102441711A Single-side edge tooth cutting tool for cylindrical gear |
| 04/26/2012 | WO2012052367A1 Tooth milling cutter and method for milling the teeth of toothed gear elements |
| 04/26/2012 | DE102010042835A1 Zahnfräser und Verfahren zum Fräsen der Zähne von Zahngetriebeelementen Tooth Cutters and method for milling the teeth of gear transmission elements |
| 04/26/2012 | CA2812861A1 Tooth milling cutter and method for milling the teeth of toothed gear elements |
| 04/18/2012 | CN102416508A A gear milling cutter as well as a replaceable milling insert therefor |
| 04/04/2012 | CN102398087A 以连续铣削工艺铣削锥齿轮的齿系统的方法 The method tooth system with continuous milling bevel gear milling process |
| 03/29/2012 | US20120076595 Gear milling cutter as well as a replaceable milling insert therefor |
| 03/28/2012 | EP2433735A1 A gear milling cutter as well as a replaceable milling insert therefor |
| 03/28/2012 | CN202174301U 一种复合滚刀 A composite hob |
| 03/21/2012 | CN202169421U 直进式刮齿刀 Straight teeth scraping knife |
| 03/14/2012 | CN102371473A Method for machining standard spherical involute spur bevel gear |
| 03/08/2012 | DE19910747B9 Verfahren und Vorrichtung zum Einmitten eines Abrichtwerkzeuges in die Ganglücke einer Schleifschnecke Method and apparatus for centering a dresser in the transition gap of a grinding worm |
| 03/01/2012 | WO2012026576A1 Helical broach |
| 03/01/2012 | DE19910747B4 Verfahren und Vorrichtung zum Einmitten eines Abrichtwerkzeuges in die Ganglücke einer Schleifschnecke Method and apparatus for centering a dresser in the transition gap of a grinding worm |
| 02/29/2012 | CN1689742B Forming gear and forming method of worm abrasion wheel |
| 02/14/2012 | US8113915 Grinding worm, profiling gear and process for the profiling of the grinding worm |
| 02/01/2012 | EP2412467A1 Method for machining bevelled wheel cogging in a continuous machining method |
| 01/26/2012 | WO2012010957A1 Systems for and methods of managing licenses in wedling equipment |
| 01/26/2012 | DE112009001993T5 Verfahren und Vorrichtung zum Honen eines Werkstückes sowie Werkstück Method and apparatus for honing a workpiece and workpiece |
| 01/26/2012 | CA2805210A1 Systems for and methods of managing licenses in welding equipment |
| 01/19/2012 | WO2011133255A3 Cutting machine for gears, splines, & other shapes |
| 01/17/2012 | US8096734 Milling cutter tool for chip removing machining, as well as a cutting body and a basic body therefor |
| 01/11/2012 | CN202106107U Rack machining cutter |
| 01/05/2012 | US20120003058 Machine tool and method for producing gearing |
| 12/28/2011 | CN202087903U 汽车发动机齿环齿端倒角滚刀 Automotive engine ring gear tooth tip chamfer cutter |
| 12/22/2011 | DE102010024366A1 Verfahren zum Profilieren eines Honwerkzeugs für die Honbearbeitung einer Verzahnung eines Werkstücks Method for profiling a honing tool for honing a tooth of a workpiece |
| 12/21/2011 | EP2396135A1 Method for determining the profile of a substantially involute worm grinding wheel |
| 12/14/2011 | CN202070800U 一种变导程螺旋刀具及其加工时配合使用的螺杆 A variation of the lead screw drive screw the tool and processing with the use of |
| 12/07/2011 | CN202062133U 螺旋锥齿轮加工用条形刀 Spiral bevel gear cutting knife with strip |
| 12/01/2011 | DE102010021771A1 Kegelzahnrad eines Kegelgetriebes Bevel gear of a bevel gear |
| 11/30/2011 | CN102264499A 切削用刀片以及使用该切削用刀片的刃尖更换式切齿刀具 Cutting with a razor blade and use the cutting edge of the blade tip replaceable Cutting Tool |
| 11/30/2011 | CN102264498A 用于机械加工内齿轮的圆筒形螺纹工具 Cylindrical threaded tool for machining the internal gear |
| 11/30/2011 | CN102264497A 内拉削工具 Within broaching tool |
| 11/23/2011 | CN102256736A Method for producing bevel gears having hypocycloidal teeth in a continuous partial method using a corresponding face milling cutter |
| 11/23/2011 | CN102256735A Machine tool and method for producing gearing |
| 11/16/2011 | EP2386376A1 Insert for cutting and interchangeable knife edge-type gear cutting tool using same |
| 11/16/2011 | CN102245337A Hob |
| 11/16/2011 | CN101152677B Method for producing cutter teeth of spiral bevel gear with spherical involute profile of tooth tapered tooth |
| 11/03/2011 | WO2011136275A1 Blade edge replacement type rotary tool |
| 11/03/2011 | US20110269383 Barrel-shaped threaded tool for machining internal gear |
| 10/27/2011 | WO2011133255A2 Cutting machine for gears, splines, & other shapes |
| 10/26/2011 | EP2380689A1 Barrel-shaped threaded tool for machining internally toothed gear |
| 10/19/2011 | CN102223978A Method for machining the flanks of substantially cylindrical gearing having modified crowning, in a diagonal rolling method |
| 10/06/2011 | US20110243671 Hob |
| 10/05/2011 | EP2370227A1 Device and forming of working gears using a conical hob |
| 10/05/2011 | CN201997813U Indexable hard alloy gear hobbing cutter |
| 10/05/2011 | CN101704133B Manufacturing method of rocker shaft gear sector of negative ratio redirector |
| 10/05/2011 | CN101310906B Diagonal generating method to generate tooth flanks with specified twist at specified flank line crowning |
| 09/28/2011 | EP2367656A1 Machine tool and method for producing gearing |
| 09/21/2011 | CN201979180U 一种加工摆线-渐开线螺旋锥齿轮的整体刀盘 A processing cycloid - involute spiral bevel gear cutter overall |
| 09/15/2011 | WO2011111808A1 Threaded electrodeposition tool and gear processing method using threaded electrodeposition tool |
| 09/15/2011 | DE202011050054U1 Wälzschälwerkzeug mit Messerstäben Wälzschälwerkzeug with knife bars |
| 09/14/2011 | CN102179570A Method for processing cycloid-involute spiral bevel gears and solid cutter |
| 09/07/2011 | CN101557897B Surface film member, process for rpoducing the surface covering member, cutting tool, and machine tool |
| 08/31/2011 | CN201950298U 可换式硬质合金刀片滚刀 Replaceable carbide insert hob |
| 08/31/2011 | CN201950297U 一种组装式非铲磨小模数弧齿锥齿轮铣刀 A method of assembling type non Grinding small modulus spiral bevel gear cutter |
| 08/24/2011 | EP2358494A1 Method for machining the flanks of substantially cylindrical gearing having modified crowning, in a diagonal rolling method |
| 08/18/2011 | WO2011098239A1 Side-milling cutter, in particular for machining toothing systems |
| 08/18/2011 | CA2789223A1 Side-milling cutter, in particular for machining toothing systems |
| 08/17/2011 | CN201931168U 斜齿剃前修缘插齿刀 Helical repair before shaving edge shaper cutters |
| 08/17/2011 | CN102151913A Composite gear shaping cutter/composite gear shaving cutter |
| 08/10/2011 | CN201922134U 特型插齿刀 Special type shaper cutters |
| 08/03/2011 | CN201913326U 一种链轮滚刀 One kind of sprocket hob |