Patents
Patents for B23B 19 - Headstocks; Equivalent parts of any machine tools (3,087)
01/2001
01/18/2001DE19931936A1 Lageranordnung für Werkzeugmaschinenspindeln Bearing arrangement for machine tool spindles
01/16/2001US6174115 Spindle for machine tools
12/2000
12/19/2000US6161993 Cutting machine assembly
12/12/2000US6158895 Bearing device for machine tool spindle
10/2000
10/18/2000CN2401295Y Structure improved directly joined spindle
10/12/2000WO2000059664A1 Device of a tool spindle
09/2000
09/21/2000DE19929039C1 Tool slide for a machine tool has a holder for the tool working spindle with a release mounting flange at the leading end and a centering drilling at the trailing end to simplify tool fitting and removal
08/2000
08/10/2000DE19904688A1 Locking device for electrically driven tool spindle, with tooth corrugation profile with evolvent flanks on circumference of spindle in region of seal cover
08/10/2000DE19850569C1 Maschinenspindel Machine spindle
07/2000
07/04/2000US6083108 Collapsible and relatively rotatable drive shaft
06/2000
06/15/2000DE19904577A1 Teileinrichtung Member means
06/13/2000US6073323 Tool spindle fixing device for composite machine tool
05/2000
05/25/2000DE19852049A1 Werkzeugkopf mit Spindellagerung Tool head with spindle bearing
05/18/2000WO2000027579A1 Tool head with spindle bearing arrangement
05/11/2000WO2000025966A1 Clamp mechanism for a machine spindle
04/2000
04/20/2000DE19950357A1 Finishing device with parallel hold has adjustable joints provided in two positions close to end of movable body and with first and second connectors attached to movable body which is restricted in movement by a restrictor
04/19/2000CN1250702A Electric control for rapid vertical location of mainshaft of machine-tool
03/2000
03/22/2000CN2369803Y Main shaft box for drilling hole, tapping combined machine tool
03/21/2000US6038948 Workpiece spindle device for a machine tool
03/14/2000US6036413 High speed hydrodynamic spindle
01/2000
01/12/2000EP0970778A1 Exchangable motor spindle for machine tool
01/05/2000CN2356787Y Spindle box for lathe
12/1999
12/23/1999DE19826518A1 Computer numerically controlled machinetool
10/1999
10/28/1999WO1999039872A9 Machine tool and machine tool spindle and workpiece mounting-apparatus and grinding process
10/20/1999CN1045735C Drilling device having radially displaceable drill shank
10/19/1999US5966988 Shaft rotation driving apparatus for machine tool
08/1999
08/24/1999US5941146 Work spindle
08/12/1999WO1999039872A1 Machine tool and machine tool spindle and workpiece mounting-apparatus and grinding process
08/11/1999CN2332513Y Mainshaft speed variating control mechanism of small machine tool
08/11/1999CN2332512Y Mainshaft speed variating mechanism of small machine tool
07/1999
07/29/1999DE19802566A1 Machine tool spindle for taking high axial forces and running at high revolutions
07/13/1999US5921731 For rotating a cutting tool to cut workpieces
06/1999
06/30/1999EP0925144A1 Workpiece spindle device for a machine tool
06/24/1999DE19858669A1 Working unit for machine tool
06/24/1999DE19858667A1 Working unit for machine tool
06/23/1999CN1220625A Spindle for machine tools
06/09/1999EP0920940A1 Spindle for machine tools
06/01/1999US5908271 Machining spindle
03/1999
03/09/1999US5879113 Machine tool
03/03/1999EP0651686B1 Spindle and toolholder for machine tool
02/1999
02/09/1999US5869941 Air breaking type machine tool
01/1999
01/20/1999EP0892197A2 Method of automatically changing speed of dump truck for use as construction vehicle
01/19/1999US5860775 Spindle position orientation apparatus of boring machine
12/1998
12/30/1998EP0887134A1 Tool spindle fixing device for composite machine tool
12/30/1998CN1203138A High speed hydrostatic spindle
12/23/1998WO1998057776A1 Position detector using magnetic bearing spindle
11/1998
11/11/1998EP0876237A2 Work spindle for a machine tool
11/04/1998EP0875685A2 Combined externally pressurized gas-magnetic bearing assembly and spindle device utilizing the same
10/1998
10/21/1998EP0795156A4 Electromagnetically actuated rotating machine unbalance compensator
10/21/1998CN2294801Y High-precision high-speed drilling-cutting pneumatic master shaft
10/08/1998WO1998043764A1 Spindle for machine tools
09/1998
09/08/1998US5803619 Antifriction bearing pre-loading device and shaft bearing structure
08/1998
08/26/1998EP0860232A2 High speed hydrostatic spindle
08/19/1998EP0755316B1 Multiple-spindle lathe
08/19/1998CN2288034Y Current-limiting vertical control for electrical positioning of machine tool spindle
07/1998
07/21/1998US5783887 Magnetic bearing spindle device for machine tools
07/21/1998US5782586 Spindle unit for machine tools
07/08/1998EP0852170A2 High speed hydrodynamic spindle
06/1998
06/30/1998US5772564 Magnetic bearing spindle device for machine tools
06/09/1998US5761962 Shaft rotation driving apparatus for machine tool
05/1998
05/26/1998US5757662 Eletromagnetically actuated rotating machine unbalance compensator
05/20/1998EP0691896B1 Machine spindle or tool holder having an integrated chuck and method of manufacturing same
04/1998
04/08/1998EP0834379A2 Lathe
03/1998
03/26/1998WO1998004377A3 Work spindle for a machine tool
03/19/1998WO1998010889A1 Workpiece spindle device for a machine tool
03/19/1998DE19637256A1 Werkstückspindeleinrichtung für eine Werkzeugmaschine Workpiece spindle device for a machine tool
02/1998
02/25/1998EP0710167A4 Universal cylinder mount for use in an engraver
02/05/1998WO1998004377A2 Work spindle for a machine tool
01/1998
01/29/1998DE19629991A1 Arbeitsspindel für eine Werkzeugmaschine Work spindle of a machine tool
01/20/1998CA2122900C Machine spindle or tool holder having an integrated chuck and method of manufacturing same
01/02/1998DE19625391A1 Spindle alignment for boring machine
12/1997
12/17/1997EP0812642A1 Machining spindel
09/1997
09/17/1997EP0795156A1 Electromagnetically actuated rotating machine unbalance compensator
09/03/1997CN1158288A Electric spindle for tool balancing machine
07/1997
07/24/1997DE19701541A1 Metal-working machine tool with air bearings
07/22/1997US5649460 For use in a lathe
07/02/1997CN2257229Y Main spindle box for machine tool
06/1997
06/25/1997EP0780192A1 Spindle unit for machine-tools
06/19/1997DE19648290A1 Spindle device for automatic machine tool
06/10/1997US5636950 Spindle arrangement
05/1997
05/02/1997EP0556226B1 Improvements in or relating to machine tools
04/1997
04/10/1997WO1997012720A1 Headstock
03/1997
03/13/1997DE19532976A1 Machine tool motor spindle drive
02/1997
02/19/1997CN1142995A New increasing module kinds to light common lathe
01/1997
01/29/1997EP0755316A1 Multiple-spindle lathe
12/1996
12/10/1996US5582066 Machine tool, in particular long-bed machine tool
11/1996
11/20/1996EP0743511A1 Electric spindle for a tool balancing machine
11/12/1996US5573443 Spindle and method for driving the same
11/06/1996CN1135194A Machine tool for and method of producing surface which is not rotationally symmetrical on workpiece and control for such machine
11/05/1996US5570980 Spindle apparatus
09/1996
09/18/1996CN2235341Y Mechanism for main shaft speed changing for domestic machine tool
08/1996
08/27/1996US5549015 Shaft rotation driving apparatus for machine tool
08/15/1996WO1996024465A1 Multiple-spindle lathe
08/14/1996DE19504371A1 Mehrspindeldrehmaschine Multi-spindle lathe
07/1996
07/30/1996US5540527 Drilling device having a radially displacable drill shank
07/24/1996EP0722378A1 Machine tool for and method of providing a surface which is not rotationally symmetrical on a workpiece, and control for such a machine tool
06/1996
06/26/1996EP0718064A1 A device at high speed spindles
06/26/1996CN2229848Y Full hydraulic super precision numerically controlled machine tool with digital display
06/19/1996EP0717208A1 Antifriction bearing hydraulic pre-loading device
06/11/1996US5525851 Apparatus for producing high-speed rotation
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