| Patents for B23F 11 - Making worm wheels, e.g. by hobbing (98) |
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| 01/07/2015 | CN104259581A 一种蜗轮齿面的直面修型加工方法 Facing repairing processing method worm tooth surface |
| 12/09/2014 | US8904895 Drive for an adjustment device with a worm wheel having a globoid toothing with a cylindrical section |
| 06/04/2014 | CN203621645U 一种直廓螺旋面蜗轮 A direct-profile screw Worm |
| 04/30/2014 | CN103752954A Machining method of worm gear with straight profile helical surface |
| 04/09/2014 | CN103706885A Straight-outline and spiral-plane worm wheel |
| 03/26/2014 | CN103658870A Method for machining worm-gear pair |
| 03/12/2014 | CN203471071U Direct-driving type worm-gear hobbing machine |
| 03/12/2014 | CN103624333A Direct-driven worm-gear hobbing machine |
| 01/08/2014 | CN103495778A Machining method for high-precision straight outline ring surface worm gear pair |
| 01/01/2014 | CN103480918A Manufacturing method for double-modulus worm double-enveloping toroidal worm gear pair |
| 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 |
| 11/27/2013 | EP2665575A1 Method for milling a worm gear and apparatus therefor |
| 10/17/2013 | DE102012206137A1 Method for manufacturing screwing wheel stage component of drive for e.g. windscreen wiper in vehicle, involves rolling region such that roughness tips at land areas between recesses are eliminated, and filling recesses filled by lubricant |
| 10/02/2013 | CN103331495A Machining method for worm gear tooth part |
| 09/18/2013 | CN203197400U Gear hobbing machine |
| 09/11/2013 | CN103286387A Quasi-dual-lead spiroid gear processing method |
| 06/05/2013 | CN202963663U Single screw type multi-start worm gear hob |
| 04/24/2013 | CN202894506U Numerically controlled lathe used for worm gear machining |
| 04/17/2013 | CN102389996B Modified double-toroid secondary enveloping toroid worm gear pair and manufacturing method thereof |
| 04/10/2013 | CN102328136B Automatic processing mechanism of worm gear hobbing |
| 02/27/2013 | CN102151911B Machining method for dual-lead linear contact offset worm drive |
| 02/20/2013 | CN202741862U Hobbing and finish turning tool for worm gear |
| 02/20/2013 | CN202741859U Worm gear cutting special machine |
| 02/13/2013 | CN102922048A Numerical control lathe for processing worm gears |
| 01/16/2013 | CN102873409A Dedicated worm gear cutting machine |
| 01/02/2013 | CN202639544U Large-module low-number tooth worm gear machining device by means of fly-cutter |
| 12/12/2012 | CN202591751U Numerical-control gear hobbing machine |
| 11/28/2012 | CN101745703B Angle-modified dual-torus double-enveloping toroidal worm pair and manufacturing method thereof |
| 10/24/2012 | CN202498271U Numerical control worm gear hobbing machine |
| 10/03/2012 | CN202461703U Worm gear machine tool |
| 09/19/2012 | CN102672283A Offset worm and wormwheel transmission designing and manufacturing method |
| 08/29/2012 | CN102649185A Method for measuring and testing a workpiece and gear cutting machine |
| 08/01/2012 | CN102615358A Numeric control worm-gear hobbing machine |
| 07/26/2012 | WO2012097984A1 Method for milling a worm gear and apparatus therefor |
| 07/19/2012 | DE102011115241A1 Verfahren zum Fräsen eines Schneckenrades sowie Vorrichtung hierzu Method for milling a worm gear and apparatus therefor |
| 06/27/2012 | CN102513614A Manufacturing method of worm gear pair |
| 06/27/2012 | CN102513613A Worm wheel hobbing processing technology |
| 03/28/2012 | CN202174298U 一种用于加工环面蜗轮的精加工刀具 A method for processing worm wheel finishing tool |
| 03/28/2012 | CN102389996A Modified double-toroid secondary enveloping toroid worm gear pair and manufacturing method thereof |
| 02/21/2012 | US8118522 Working apparatus |
| 01/25/2012 | CN102328136A Automatic processing mechanism of worm gear hobbing |
| 11/09/2011 | CN101837490B Hobbing and positioning sleeve of gear-worm gear combined shaft |
| 08/17/2011 | CN102151911A Machining method for dual-lead linear contact offset worm drive |
| 06/29/2011 | CN201881011U Numerical-controlled worm gear machining device |
| 02/09/2011 | CN201735906U Gear-worm combined shaft rolling tooth positioning sleeve |
| 09/29/2010 | CN101844254A Precise calculation method for feed differential constant of worm wheel hobbing machine for tangential machining of worm wheel |
| 09/22/2010 | CN101837490A Hobbing and positioning sleeve of gear-worm gear combined shaft |
| 07/21/2010 | CN201529814U Full-automatic gear hobbing machine |
| 07/07/2010 | CN201519812U Heightening knife rest for hobbing machine to process large module worm gears |
| 06/23/2010 | CN101745703A Angle-modified dual-torus double-enveloping toroidal worm pair and manufacturing method thereof |
| 06/16/2010 | CN101733484A Multi-head worm wheel pair cutting process |
| 05/19/2010 | CN101710350A Methods for designing and manufacturing double-lead linear contact bias worm drive |
| 12/16/2009 | CN101602127A Method for processing spherical worm gear on universal milling machine |
| 12/02/2009 | CN101590549A Process for machining large-modulus few-tooth worm gears on hobbing machines by use of flying cutters |
| 01/02/2009 | DE102007029729A1 Niemann type worm gear unit for use in e.g. motor vehicle, has worm shaft comprising tooth ridge meshed with teeth, where meshed engagement between teeth and tooth ridge is satisfied by part of characteristic line |
| 12/31/2008 | CN101334090A Worm-gear device and its making method |
| 10/08/2008 | CN100424380C Driving unit for a adjusting device with a worm wheel which has a torus tooth with a column part |
| 03/20/2008 | DE102004013009B4 Antrieb für eine Verstelleinrichtung innerhalb eines Fahrzeuges, insbesondere eine Sitzverstelleinrichtung innerhalb eines Kraftfahrzeuges und Verfahren zur Herstellung eines solchen Antriebs A drive for an adjusting device within a vehicle, in particular a seat adjusting device within a motor vehicle and method for producing such a drive |
| 01/02/2008 | CN200998800Y Globoid worm gear worm auxiliary hob cutter |
| 11/29/2007 | US20070275640 Worm Wheel Machining Method, Worm Wheel, Worm Speed Reducer And Electric Power Steering Apparatus |
| 08/08/2007 | CN101012865A Two freedom degree straight line ring surface worm transmission and method for manufacturing same |
| 05/02/2007 | EP1780446A1 Speed-reduction gear |
| 04/18/2007 | EP1775048A1 Method of machining worm wheel, worm wheel, worm reduction gear, and electric power steering device |
| 05/17/2006 | EP1657015A1 Manufacturing method for worm wheel |
| 05/16/2006 | US7044691 Forming method for milling threads of variable tooth worms |
| 02/02/2006 | WO2006011534A1 Speed-reduction gear |
| 01/19/2006 | WO2006006705A1 Method of machining worm wheel, worm wheel, worm reduction gear, and electric power steering device |
| 12/08/2005 | US20050269478 Drive for an adjustment device with a worm wheel having a globoid toothing with a cylindrical section |
| 10/06/2005 | DE102004013009A1 Antrieb für eine Verstelleinrichtung mit einem Schneckenrad, das eine Globoidverzahnung mit zylindrischen Anteil aufweist A drive for an adjustment device with a worm wheel which has a cylindrical portion with globoid toothing |
| 09/21/2005 | CN1670401A Driving unit for a adjusting device with a worm wheel which has a torus tooth with a column part |
| 09/01/2005 | DE10350649B3 Process for milling worm wheels optimizing the contact pattern used in CNC milling machines comprises using an excessive worm wheel cutter having an outer diameter which is larger than in the nominal state |
| 08/12/2004 | DE202004007798U1 CNC controlled machine tool for making cogwheels and worm wheels, has machining table with tailstock and spindle stock for mounting workpiece in horizontal position |
| 12/05/2001 | CN2463080Y Steel-base composite bimetallic worm-gear |
| 01/17/2001 | CN1060706C Method for generating tooth surfaces of globoid worm wheel |
| 07/15/1997 | US5647790 Method for generating tooth surfaces of globoid worm wheel |
| 05/14/1997 | CN1034855C Machining method for arc surface worm and spherical worm gear of high precision |
| 10/02/1996 | CN1132131A Method for generating tooth surfaces of globoid worm wheel |
| 01/31/1996 | CN1030822C Method for making steel-steel auxiliary worm wheel |
| 03/08/1995 | CN1027829C Mismatch gearing of discone envelope cylindrical worm |
| 03/30/1994 | CN1084440A Processing method of point-contact enveloping ring surface worm wheel pair |
| 04/14/1993 | CN1070856A Steel-steel pair wormgear made method using steel to replace copper |
| 09/09/1992 | CN1064343A Disc type cone envelope cylinder worm mismatch drive |
| 08/26/1992 | CN2113849U Extra driving device for making multi-thread worm wheel |
| 01/22/1992 | CN2093710U Circular-arc worm and worm-wheel cutting device |
| 03/12/1991 | US4998385 Method of modified gear cutting of a globoid worm gear |
| 09/19/1990 | CN1045446A Large-diameter oil culvert worm gear pair |
| 09/12/1990 | CN1045241A Design for large diameter worm and worm gear and its hobbing method |
| 03/28/1990 | CN2055075U Combined worm-gear |
| 07/19/1989 | CN2041221U Changeable arbor of fly cutter |
| 12/28/1988 | CN88211399U Cutting device expanded in toothed shape |
| 08/10/1988 | CN87101138A Involute inner engaged curved face worm and worm wheel and machining technology thereof |
| 05/06/1987 | CN85107847A Machining method for arc surface worm and spherical worm gear of high precision |
| 08/13/1985 | US4534684 Apparatus for milling a gear for a double enveloping worm gear drive |
| 10/09/1984 | US4475319 Process for machining a worm-type workpiece with a worm-type tool |
| 05/31/1983 | US4385855 Hobbing machine |
| 08/18/1981 | US4284376 Spur gear hobbing machine |
| 04/29/1980 | US4199859 Locking device for circumferentially oriented elements |
| 01/22/1980 | US4184796 Globoid worm gear generating method |