Patents for B23B 23 - Tailstocks; Centres (1,256)
09/1994
09/08/1994DE4315044C1 Locating centre for a machine tool, in particular for a grinding machine
08/1994
08/04/1994WO1994016846A1 Open lathe spider tool
08/03/1994CN2173125Y Brake type multi-function centre
06/1994
06/29/1994CN2170171Y Two-purpose rotating centre
06/01/1994CN2166900Y Lathe centre adjustable for working external circular surface
05/1994
05/24/1994US5313694 Machine tool for non-circular and other machining
04/1994
04/13/1994EP0591778A2 Tailstock for a lathe
02/1994
02/01/1994US5282402 Machine tool tailstock
01/1994
01/19/1994CN2153427Y High precision live centre
01/19/1994CN2153426Y Multiple spindle trailing axle positioning mechanism
01/19/1994CN2153425Y Dual-purpose centre for lathe
01/05/1994CN2151830Y Live centre
12/1993
12/23/1993DE4314147A1 Machine tool esp. lathe - has motorised linear movement drive for headstock located movable in bed guide in housing provided with mounting for centring tip and signal transmitter for controlling linear movement
11/1993
11/04/1993DE4214399A1 Supporting device for long workpiece in machine tool, particularly lathes - has three arms with rollers engaging chamfered edges of workpiece and has spaces between arms allowing for machining
09/1993
09/30/1993WO1993018885A1 Process for operating a cnc-machine and cnc-machine
09/29/1993EP0562232A2 Machine tool
09/23/1993DE4208701A1 Verfahren zum betreiben einer cnc-maschine und cnc-maschine A method of operating a CNC machine and cnc machine
09/15/1993EP0427810B1 Tailstock
09/15/1993CN2142052Y Hydraulic turbulence face toggle centre
06/1993
06/16/1993CN2136086Y Combined centre
05/1993
05/19/1993CN2133389Y Combined end face toggle centre
05/19/1993CN2133388Y Automatic refuelling thimble
04/1993
04/27/1993US5205080 Jig for clamp-positioning single crystal ingot
03/1993
03/25/1993CA2048925A1 Live centre metal turning lathe attachment
03/10/1993CN2127894Y Adjustable quincunx centre
12/1992
12/23/1992CN2125470U Live centre with changeable centre head
12/16/1992CN2124785U Terminal face live centres without shutting-down
12/15/1992US5170824 Wood chuck for a veneer lathe
10/1992
10/14/1992CN2118607U Centre turning locking device
09/1992
09/16/1992CN1018244B Rapid advance and retreat tail stock for machine tool
08/1992
08/12/1992EP0498297A1 Jig and method for clamp-positioning single crystal ingot
07/1992
07/23/1992DE4101678A1 Combined boring and centering tool - has one-piece shaft and flange whose shoulders act as frictional faces against chuck face and prevent tool slippage
06/1992
06/17/1992CN2107336U Rotary centre
06/16/1992CA1303391C Adjustable precision live center for use with a lathe
05/1992
05/20/1992CN2104719U Driving means of lathe tailstock
03/1992
03/25/1992CN2099635U Resistance strain force-measuring tailstock for heavy-duty lathe
01/1992
01/08/1992CN2092386U Tool machines sliding tailstock
12/1991
12/17/1991US5072953 Pipe centering device
12/04/1991CN2089853U High severity and high trueness centre
12/03/1991US5069096 Advanced spider fixture
10/1991
10/31/1991DE4120600A1 Chuck for machining solid or hollow workpieces - has pivoted levers which can be swung inwards or outwards
10/15/1991US5056390 Workpiece holding devices
06/1991
06/25/1991US5025689 Method and apparatus for machining axially symmetrical parts
06/12/1991CN2078666U Mmulti-functional movable centre
06/12/1991CN2078665U Multi-function centre
04/1991
04/10/1991CN2074693U Rotary centre
03/1991
03/20/1991EP0417937A1 Pipe centring device
03/19/1991US5000068 Device for aligning, fixing and clamping workpieces
03/06/1991CN2072452U Lathe back stand mechanism
01/1991
01/30/1991CN2070213U Shift claw adjustable mechanical floating end face shifting top
01/23/1991CN2069763U Special fixture adapted for cutting end face of box wrench
10/1990
10/31/1990EP0394915A1 Workpiece holding device
10/31/1990CN2064693U Hard alloy fixed and movable dual-purpose centre
10/04/1990WO1990011155A1 Tailstock
09/1990
09/27/1990DE3909848A1 Reitstock Tailstock
09/06/1990DE4004395A1 Internal chuck for hollow component - incorporates locking arms enabling clamping pins to be disconnected without separating support from connecting mandrel
09/06/1990DE3906868A1 Locating centre
08/1990
08/22/1990EP0382942A2 Tailstock with ejector
08/22/1990EP0382941A2 Clamping mean
08/09/1990DE3932805A1 Adaptor for turning lathe - has thread carrier and connection piece
08/08/1990CN1044424A Rapid advance and retreat tail stock for machine tool
07/1990
07/11/1990CN2059111U Spring centre
04/1990
04/12/1990DE3834473A1 Sleeve
01/1990
01/31/1990EP0353004A2 Adjustable precision live center for use with a lathe
11/1989
11/23/1989DE3913138A1 Machine tool with two opposite tool spindles
11/23/1989DE3844568A1 Live locating centre
11/22/1989CN2048003U Self-cooled centre with current-collecting function
10/1989
10/03/1989US4870786 Workstock
09/1989
09/27/1989EP0334298A2 Method and device for machining articles having a rotational symmetry
09/26/1989US4869140 Adjustable precision live center for use with a lathe
09/20/1989EP0332816A2 Fixing and clamping device for work pieces
08/1989
08/30/1989CN2043535U Wear-resistant combination jacket for lathe tailstock and lathe centre
08/17/1989DE3803470A1 Live centre
08/15/1989US4856178 Machine tool for turning, milling, boring, drilling, and washing with independent means for clamping the part to be machined
08/01/1989US4852434 Machine tool with a sliding screw drive
05/1989
05/10/1989CN2037277U Self-lubrication spring centre
05/09/1989US4828437 Apparatus for supporting a workpiece
01/1989
01/31/1989US4800790 Modal coupling tailstock
01/05/1989DE3721216A1 Device for axially pressing a workpiece on a work-holding fixture of a machine tool
01/04/1989CN2030119U Three-purpose centre
12/1988
12/21/1988EP0295514A2 Apparatus for supporting a workpiece
12/14/1988EP0294869A1 Machine tool for turning, milling, boring, drilling and washing with independent means for clamping the part to be machined
12/01/1988DE3817161A1 Rundschleifmaschine mit numerischer steuerung fuer das schleifen von futter- und spitzenwerkstuecken Cylindrical grinding machine with numerical control for the grinding of feed and spitzenwerkstuecken
11/1988
11/02/1988CN88210824U Brute force putting centre
10/1988
10/19/1988CN87204785U Telescopic lubricating center
09/1988
09/06/1988US4768791 Use in the machining of a hollow cylindrical workpiece
08/1988
08/25/1988DE3704490A1 Apparatus for measurement and/or setting accurate in terms of angle of rotation for the machining of rotationally symmetrical workpieces
07/1988
07/05/1988CA1238804A1 Fixture and method for shanking rock bits
06/1988
06/29/1988CN87210600U Revolving centre
06/21/1988US4751864 Cutting tool having an intensifier
06/16/1988DE3740053A1 Clamping device
05/1988
05/18/1988EP0267400A1 Turning machines
03/1988
03/31/1988DE3721615A1 Method for producing a numerically programmable clamping force and apparatus for carrying it out, in particular for the tailstock of machine tools
02/1988
02/24/1988CN86208383U Axial-locating live centre without centre-hole
01/1988
01/27/1988CN87200273U Center set
01/07/1988DE3622725A1 Rotating sleeve or centre
11/1987
11/11/1987CN86210804U Active lathe centre
10/1987
10/27/1987US4702132 Centering fixture for wood turning lathe
10/07/1987CN86210547U Special device for drilling hole on general lathe
09/1987
09/12/1987CN86204612U Deformation microfeed center device
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